Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change
Revision of Prior Period [Axis]
Revision of Prior Period [Axis]
Investments
Investment, Policy [Policy Text Block]
Debt Securities, Available-for-sale
Debt Securities, Available-for-Sale [Table Text Block]
Defined Benefit Plan, Expected Return (Loss) on Plan Assets
Defined Benefit Plan, Expected Return (Loss) on Plan Assets
Schedule of Expected Benefit Payments [Table Text Block]
Schedule of Expected Benefit Payments [Table Text Block]
Entity File Number
Entity File Number
Limited partnership Fair Value Member
Limited partnership Fair Value [Member]
Limited partnership Fair Value
Defined Benefit Plan, Target Allocation Percentage of Assets, Equity Securities
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage
Other Comprehensive Income (Loss), Tax
Other Comprehensive Income (Loss), Tax
Other Comprehensive Income (Loss), Tax
EMEA Traditional Segment
EMEA Traditional Segment [Member]
EMEA Traditional Segment
Guarantor Obligations, Maximum Exposure, Undiscounted
Guarantor Obligations, Maximum Exposure, Undiscounted
Debt Securities [Member]
Debt Securities [Member]
Adjustment to Compensation:
Adjustment to Compensation [Axis]
Other Comprehensive Income (Loss)
Other Comprehensive Income (Loss) [Member]
Short-Duration Contracts, Policy
Short-Duration Contracts, Policy [Policy Text Block]
Statutory Accounting Practices Disclosure [Table Text Block]
Statutory Accounting Practices Disclosure [Table Text Block]
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount
Adjustment to Compensation, Amount
Adjustment to Compensation Amount
Pension Plans, Defined Benefit [Member]
Pension Plan [Member]
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 [Member]
Embedded Derivative Asset, Measurement Input
Embedded Derivative Asset, Measurement Input
Stock Options [Member]
Share-Based Payment Arrangement, Option [Member]
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate
Dividends, Common Stock, Cash
Dividends, Common Stock, Cash
Other comprehensive income (loss), net of income taxes:
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Short-duration Insurance Contracts, Accident Year 2017 [Member]
Short-Duration Insurance Contracts, Accident Year 2017 [Member]
Common stock shares authorized
Common Stock, Shares Authorized
Foreign Tax Jurisdiction Canada
Foreign Tax Jurisdiction Canada [Member]
Foreign Tax Jurisdiction Canada
Stock Issued During Period, Shares, New Issues
Stock Issued During Period, Shares, New Issues
Stock Issued During Period, Shares, New Issues
Assets Sold under Agreements to Repurchase [Line Items]
Assets Sold under Agreements to Repurchase [Line Items]
Standard Poors AAA To A Ratings [Member]
Standard Poors Aaa To Aminus Ratings [Member]
-- None. No documentation exists for this element. --
Asia Pacific Financial Solutions Segment
Asia Pacific Financial Solutions Segment [Member]
Asia Pacific Financial Solutions Segment
PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member
PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member [Member]
Policyholder Account Balance Guaranteed Minimum Crediting Rate Range Less Than 1.00% Member
Liabilities and Equity
Liabilities and Equity [Abstract]
Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, before Reclassification Adjustments and Tax
OCI, Debt Securities, Available-for-Sale, Gain (Loss), before Adjustment and Tax
Options exercisable
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Net income attributable to noncontrolling interest
Net Income (Loss) Attributable to Noncontrolling Interest
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase
Cash Collateral for Borrowed Securities
Cash Collateral for Borrowed Securities
Policyholder Benefits and Claims Incurred, Net [Abstract]
Policyholder Benefits and Claims Incurred, Net [Abstract]
Non-PEO NEO Average Total Compensation Amount
Non-PEO NEO Average Total Compensation Amount
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Internal Investment Grade
Internal Investment Grade [Member]
Adjustment to Non-PEO NEO Compensation Footnote
Adjustment to Non-PEO NEO Compensation Footnote [Text Block]
Financing Receivable, Credit Quality Indicator [Table]
Financing Receivable, Credit Quality Indicator [Table]
Direct Premiums Earned
Direct Premiums Earned
Future Policy Benefits Actual To Expected Increase Decrease
Future Policy Benefits Actual To Expected Increase Decrease
Future Policy Benefits Actual To Expected Increase Decrease
Retirement Benefits [Abstract]
Retirement Benefits [Abstract]
Forgone Recovery due to Disqualification of Tax Benefits, Amount
Forgone Recovery due to Disqualification of Tax Benefits, Amount
Award Timing MNPI Considered
Award Timing MNPI Considered [Flag]
Income (Loss) from Continuing Operations before Income Taxes, Domestic
Income (Loss) from Continuing Operations before Income Taxes, Domestic
TEXAS
TEXAS
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase
Award Timing Method
Award Timing Method [Text Block]
Adjustments for New Accounting Pronouncements [Axis]
Accounting Standards Update [Axis]
Accumulated Translation Adjustment [Member]
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Hedging Relationship [Domain]
Hedging Relationship [Domain]
Parent Company [Member]
Parent Company [Member]
Deferred policy acquisition costs and other
Increase (Decrease) in Deferred Policy Acquisition Costs
Share-based Payment Arrangement [Policy Text Block]
Share-Based Payment Arrangement [Policy Text Block]
Trading Symbol
Trading Symbol
Policyholder Benefits and Claims Incurred, Direct
Policyholder Benefits and Claims Incurred, Direct
Market Risk Benefit, Liability, Amount
Market Risk Benefit, Liability, Amount
UTAH
UTAH
Junior Subordinated Debentures Due 2065 [Member]
Junior Subordinated Debentures Due 2065 [Member]
Junior Subordinated Debentures Due 2065
Effect of exchange rate changes on cash
Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation
Deferred Tax Assets, Net
Deferred Tax Assets, Net of Valuation Allowance
Non-PEO NEO Average Compensation Actually Paid Amount
Non-PEO NEO Average Compensation Actually Paid Amount
Restricted Stock Units (RSUs) [Member]
Restricted Stock Units (RSUs) [Member]
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate [Axis]
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate [Axis]
Statutory Accounting Practices [Line Items]
Statutory Accounting Practices [Line Items]
Long-term Debt, Maturities, Repayments of Principal in Year Three
Long-Term Debt, Maturity, Year Three
Derivative, Collateral, Right to Reclaim Cash
Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset
Outstanding, Number, Beginning Balance
Outstanding, Number, Ending Balance
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number
Short-duration Insurance Contracts, Accident Year 2014 [Member]
Short-Duration Insurance Contracts, Accident Year 2014 [Member]
Defined Benefit Plan, Expected Future Benefit Payments in Year One
Defined Benefit Plan, Expected Future Benefit Payment, Year One
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases
Insurance [Abstract]
Insurance [Abstract]
Reinsurance Liabilities [Abstract]
Reinsurance Liabilities [Abstract]
Liability for Future Policy Benefit, Expected Future Policy Benefit, Undiscounted, before Reinsurance
Liability for Future Policy Benefit, Expected Future Policy Benefit, Undiscounted, before Reinsurance
Standard & Poor's, BB+ Rating [Member]
Standard & Poor's, BB+ Rating [Member]
Class of Financing Receivable [Domain]
Class of Financing Receivable [Domain]
Measurement Input Crediting Rate [Member]
Measurement Input Crediting Rate [Member]
Measurement input using crediting rate.
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Fair Value, Net Asset (Liability)
Fair Value, Net Asset (Liability)
Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year
Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member]
Liability for Unpaid Claims and Claims Adjustment Expense, Foreign Currency Translation Gain (Loss)
Liability for Unpaid Claims and Claims Adjustment Expense, Foreign Currency Translation Gain (Loss)
Claims Development [Line Items]
Claims Development [Line Items]
Provision for income taxes
Income Tax Expense (Benefit)
Income Tax Expense (Benefit)
Income Tax Expense (Benefit)
Pension Adjustments Service Cost
Pension Adjustments Service Cost [Member]
Subsegments [Axis]
Subsegments [Axis]
Subsegments Consolidation Items [Domain]
Subsegments Consolidation Items [Domain]
Policyholder Account Balance, Guaranteed Minimum Crediting Rate Range [Axis]
Policyholder Account Balance, Guaranteed Minimum Crediting Rate Range [Axis]
Property, Plant and Equipment, Gross
Property, Plant and Equipment, Gross
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Table Text Block]
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Table Text Block]
Benefit Of Third Parties [Member]
Benefit Of Third Parties [Member]
Assets to be held in turst for the benefit of third parties.
Income from limited partnerships and real estate joint ventures
Increase (Decrease) in Other Current Assets
Guarantor Obligation [Table]
Guarantor Obligation [Table]
Compensation Actually Paid vs. Company Selected Measure
Compensation Actually Paid vs. Company Selected Measure [Text Block]
Gain Loss On Investments Related To Change In Fair Value Of Derivatives Excluding Embedded Derivatives
Gain Loss On Investments Related To Change In Fair Value Of Derivatives Excluding Embedded Derivatives
This item represents the amount recognized in investment related gains (losses) related to the change in the fair value of derivatives, excluding embedded derivatives.
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Equity, Class of Treasury Stock [Line Items]
Equity, Class of Treasury Stock [Line Items]
Commitment Period Two Thousand Thirty Seven [Member]
Commitment Period Two Thousand Thirty Seven [Member]
Commitment Period Two Thousand Thirty Seven [Member]
Income Tax Paid, Federal, after Refund Received
Income Tax Paid, Federal, after Refund Received
All Trading Arrangements
All Trading Arrangements [Member]
Total Shareholder Return Vs Peer Group
Total Shareholder Return Vs Peer Group [Text Block]
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies Disclosure [Abstract]
Securities Loaned, Including Not Subject to Master Netting Arrangement and Assets other than Securities Transferred
Securities Loaned, Including Not Subject to Master Netting Arrangement and Assets other than Securities Transferred
Statutory Accounting Practices by Jurisdiction [Axis]
Statutory Accounting Practice, Jurisdiction [Axis]
Commitment Period [Axis]
Commitment Period [Axis]
Commitment Period [Axis]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales
Property, Plant and Equipment, Useful Life
Property, Plant and Equipment, Useful Life
Preferred stock par value
Preferred Stock, Par or Stated Value Per Share
Real Estate [Line Items]
Real Estate [Line Items]
PEO Total Compensation Amount
PEO Total Compensation Amount
Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement and Curtailment Gain (Loss), before Tax
Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement and Curtailment Gain (Loss), before Tax
Derivative Liability, Measurement Input [Extensible Enumeration]
Derivative Liability, Measurement Input
Derivative Liability, Fair Value, Gross Liability
Derivative Liability, Subject to Master Netting Arrangement, before Offset
Swap
Swap [Member]
Repurchase Agreements and Similar Transactions, Maturity Periods [Axis]
Repurchase Agreements and Similar Transactions, Maturity Periods [Axis]
Market Risk Benefit, Activity
Market Risk Benefit, Activity [Table Text Block]
Number of Reportable Segments
Number of Reportable Segments
Other Comprehensive Income (Loss), Transfers from Held-to-maturity to Available-for-Sale Securities, Tax
OCI, Debt Securities, Available-for-Sale, Transfer from Held-to-Maturity, Gain (Loss), before Adjustment, Tax
Mortgage Loan Maturity [Domain]
Mortgage Loan Maturity [Domain]
Claims and other policy benefits
Claims and other policy benefits
Policyholder Benefits and Claims Incurred, Net
Entity Address, State or Province
Entity Address, State or Province
Interest and Dividend Income, Operating
Interest and Dividend Income, Operating
Cash Flow Derivative Gains Losses Reclassified Into Income From AOCI
Cash Flow Derivative Gains Losses Reclassified Into Income From AOCI
Cash Flow Derivative Gains Losses Reclassified Into Income From AOCI
Cash Flow Derivative Gains Losses Reclassified Into Income From AOCI
Net Unrealized Appreciation Depreciation Of The Components Of Accumulated Other Comprehensive Income [Table]
Net Unrealized Appreciation Depreciation Of The Components Of Accumulated Other Comprehensive Income [Table]
-- None. No documentation exists for this element. --
Defined Benefit Plan, Expected Future Benefit Payment, Year Four
Defined Benefit Plan, Expected Future Benefit Payment, Year Four
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Table]
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Table]
Effects of Reinsurance [Line Items]
Effects of Reinsurance [Line Items]
Equity Release Mortgages [Member]
Equity Release Mortgages [Member]
Equity Release Mortgages [Member]
Commercial and Industrial Sector [Member]
Commercial and Industrial Sector [Member]
Individual:
Individual [Axis]
SEC Schedule, 12-09, Allowance, Loss on Finance Receivable
SEC Schedule, 12-09, Allowance, Loss on Finance Receivable [Member]
Entities [Table]
Entities [Table]
Deferred Tax Liabilities Reinsurance Transactions
Deferred Tax Liabilities Reinsurance Transactions
Differences between tax and financial reporting amounts concerning certain reinsurance transactions.
Effective Income Tax Rate Reconciliation Changes in Unrecognized Tax Benefits
Effective Income Tax Rate Reconciliation Changes in Unrecognized Tax Benefits
Effective Income Tax Rate Reconciliation Changes in Unrecognized Tax Benefits
Foreign Tax Jurisdiction Japan
Foreign Tax Jurisdiction Japan [Member]
Foreign Tax Jurisdiction Japan
Valuation And Qualifying Accounts [Table Text Block]
Valuation And Qualifying Accounts [Table Text Block]
A schedule of allowance and reserve accounts including their beginning and ending balances, as well as a reconciliation by type of activity during the period. Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements, table text block.
Major Categories Of Investments [Domain]
Major Categories Of Investments [Domain]
Entity Interactive Data Current
Entity Interactive Data Current
Available For Sale Securities [Domain]
Available For Sale Securities [Domain]
Defined Benefit Plan, Funded (Unfunded) Status of Plan
Defined Benefit Plan, Funded Status of Plan, Total
Defined Benefit Plan, Funded (Unfunded) Status of Plan
Gains (Losses) on Sales of Other Real Estate
Gains (Losses) on Sales of Other Real Estate
Liability for Future Policy Benefit, by Product Segment [Table]
Liability for Future Policy Benefit, by Product Segment [Table]
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]
Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block]
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Net Investment Income
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Net Investment Income
U.S. Fixed Income Funds [Member]
U.S. Fixed Income Funds [Member]
U.S. Fixed Income Funds [Member]
Deferred Tax Assets, Operating Loss Carryforwards
Deferred Tax Assets, Operating Loss Carryforwards
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Benefit, Claim, Loss and Settlement Expenses
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Benefit, Claim, Loss and Settlement Expenses
Entity central index key
Entity Central Index Key
Deferred Policy Acquisition Cost, Capitalization
Deferred Policy Acquisition Cost, Capitalization
PEO Name
PEO Name
Total revenues
Revenues
Revenues
Purchases of treasury stock
Purchases of treasury stock
Payments for Repurchase of Equity
Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year
Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Outstanding Aggregate Erroneous Compensation Amount
Outstanding Aggregate Erroneous Compensation Amount
Nonqualified Plan [Member]
Nonqualified Plan [Member]
Statutory Accounting Practices, Statutory Net Income Amount
Statutory Accounting Practices, Statutory Net Income Amount
Assets Sold under Agreements to Repurchase, Type [Domain]
Assets Sold under Agreements to Repurchase, Type [Domain]
Loans and Leases Receivable, Related Parties
Advances to Affiliate
Exercise Price
Award Exercise Price
Class of Stock [Domain]
Class of Stock [Domain]
Liability for Future Policy Benefits and Unpaid Claims and Claims Adjustment Expense
Liability for Future Policy Benefits and Unpaid Claims and Claims Adjustment Expense
Supplemental Schedule Of Reinsurance Premiums For Insurance Companies [Table Text Block]
Supplemental Schedule Of Reinsurance Premiums For Insurance Companies [Table Text Block]
Schedule of required supplementary insurance information giving segment detail in support of various balance sheet and income statement captions.
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Abstract]
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Abstract]
Loans Receivable, Gross, Commercial, Real Estate
Financing Receivable, before Allowance for Credit Loss
Debt-to-Value [Domain]
Debt-to-Value [Domain]
Qualified Plan [Member]
Qualified Plan [Member]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax
Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year
Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member]
Changes In Cash Flow Assumptions
Changes In Cash Flow Assumptions
Changes In Cash Flow Assumptions
RZC
RZC [Member]
Trading symbol RZC, for RGA's 7.125% Fixed Rate Reset Subordinated Debentures due 2052
Effective Income Tax Rate Reconciliation Tax effects of reorganization Percent
Effective Income Tax Rate Reconciliation Tax effects of reorganization Percent
Effective Income Tax Rate Reconciliation Tax effects of reorganization Percent
Share-based Payment Arrangement, Option, Exercise Price Range [Table Text Block]
Share-Based Payment Arrangement, Option, Exercise Price Range [Table Text Block]
Internal Credit Assessment [Axis]
Internal Credit Assessment [Axis]
Derivative Instruments
Derivative Instruments and Hedging Activities Disclosure [Text Block]
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)
Industry Sector [Axis]
Industry Sector [Axis]
Fair Value as of Grant Date
Award Grant Date Fair Value
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table]
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table]
Non Hedging Instruments [Domain]
Non Hedging Instruments [Domain]
Exchange Traded Funds
Exchange Traded Funds [Member]
Disclosure of Real Estate Holdings Classified By Contractual Maturity Date [Table Text Block]
Disclosure of Real Estate Holdings Classified By Contractual Maturity Date [Table Text Block]
Investments classified by contractual maturity date.
Liability for Future Policy Benefit, Current Weighted-Average Discount Rate
Liability for Future Policy Benefit, Current Weighted-Average Discount Rate
Policyholder Account Balance, Guaranteed Minimum Crediting Rate
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Table Text Block]
Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]
Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months
Senior Notes Due 2029 [Member]
Senior Notes Due 2029 [Member]
Senior Notes Due 2029 [Member]
Deferred Income Taxes and Tax Credits
Deferred Income Taxes and Tax Credits
Changed Peer Group, Footnote
Changed Peer Group, Footnote [Text Block]
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Condensed Financial Information Disclosure [Abstract]
Condensed Financial Information Disclosure [Abstract]
Adjustment To PEO Compensation, Footnote
Adjustment To PEO Compensation, Footnote [Text Block]
Accrued investment income
Accrued Investment Income Receivable
Liability for Future Policy Benefit, Adverse Development, Expense
Liability for Future Policy Benefit, Adverse Development, Expense
Investment Type [Axis]
Investment Type [Axis]
Total investments
Investments
Defined Benefit Plan, Expected Future Benefit Payment, Year Three
Defined Benefit Plan, Expected Future Benefit Payment, Year Three
Policy Loans Receivable
Policy Loans Receivable, Policy [Policy Text Block]
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax
Derivative Asset, Fair Value of Collateral
Derivative Asset, Fair Value of Collateral
Liability for Unpaid Claims and Claims Adjustment Expense Other
Liability for Unpaid Claims and Claims Adjustment Expense Other
Liability for Unpaid Claims and Claims Adjustment Expense Total Other Adjustments
Year Of Origination Prior Periods
Year Of Origination Prior Periods [Member]
Year Of Origination for all financial statement items more than 5 years prior to the current period.
Non-PEO NEO
Non-PEO NEO [Member]
Options, Outstanding, Intrinsic Value
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value
Year Of Origination 2024
Year Of Origination 2024 [Member]
Year Of Origination 2024
Debt Securities, Available-for-Sale, Allowance for Credit Loss
Debt Securities, Available-for-Sale, Allowance for Credit Loss
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Table Text Block]
Short-Duration Insurance Contracts, Reconciliation of Claims Development to Liability [Table Text Block]
Other Intangible Assets [Member]
Other Intangible Assets [Member]
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax
Schedule of Repurchase Agreements [Table Text Block]
Schedule of Repurchase Agreements [Table Text Block]
Financing Receivable, Allowance for Credit Loss
Financing Receivable, Allowance for Credit Loss
Financing Receivable, Allowance for Credit Loss
RGA Canada [Member]
RGA Canada [Member]
This category includes information related to the statutory financial statements for RGA Life Reinsurance Company of Canada.
Maturity Greater than 90 Days [Member]
Maturity Greater than 90 Days [Member]
Other, net
Other Noncash Income (Expense)
Defined Benefit Plan Change In Benefit Obligation [Line Items]
Defined Benefit Plan Disclosure [Line Items]
Compensation Amount
Outstanding Recovery Compensation Amount
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Recovery of Erroneously Awarded Compensation Disclosure [Line Items]
Estimate of Fair Value Measurement [Member]
Estimate of Fair Value Measurement [Member]
Number Of Preceeding Months To Accumulate Dividend Paid For Approval
Number Of Preceeding Months To Accumulate Dividend Paid For Approval
The number of preceeding months used to determine the amount of allowable dividends paid to stockholders.
Canadian Province Of Quebec Securities [Member]
Canadian Province Of Quebec Securities [Member]
Retirement Plan Type [Domain]
Retirement Plan Type [Domain]
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change
Valuation Allowances and Reserves, Charged to Cost and Expense
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense
MNPI Disclosure Timed for Compensation Value
MNPI Disclosure Timed for Compensation Value [Flag]
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent
Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age
Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]
Revenues
Revenues [Abstract]
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 [Member]
Foreign Exchange Option
Foreign Exchange Option [Member]
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Amortized Cost Basis
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10
Accrued investment income
Increase (Decrease) in Accrued Investment Income Receivable
Supplemental Condensed Financial Information Of The Registrant [Line Items]
Condensed Financial Statements, Captions [Line Items]
Retirement Plan Sponsor Location [Domain]
Retirement Plan Sponsor Location [Domain]
Financial Instruments [Domain]
Financial Instruments [Domain]
Income taxes
Deferred Tax Liabilities, Gross
Long-term Debt, Maturities, Repayments of Principal in Year Five
Long-Term Debt, Maturity, Year Five
EMEA [Member]
EMEA [Member]
Policyholder Account Balance Reinsurance Recoverable
Policyholder Account Balance Reinsurance Recoverable
Policyholder Account Balance Reinsurance Recoverable
Aggregate Pension Adjustments Service Cost
Aggregate Pension Adjustments Service Cost [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss)
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Income Tax Authority, Name [Domain]
Income Tax Authority, Name [Domain]
Defined Benefit Plan, Assumed Health Care Cost Trend Rate, Description
Defined Benefit Plan, Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate
Effective Income Tax Rate Reconciliation Foreign Tax Effects Canada Percent
Effective Income Tax Rate Reconciliation Foreign Tax Effects Canada Percent
Effective Income Tax Rate Reconciliation Foreign Tax Effects Canada Percent
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change
Market Risk Benefit, Increase (Decrease) from Actual Policyholder Behavior Different from Expected
Market Risk Benefit, Increase (Decrease) from Actual Policyholder Behavior Different from Expected
Financial Instruments Carrying Amounts And Estimated Fair Value [Table Text Block]
Financial Instruments Carrying Amounts And Estimated Fair Value [Table Text Block]
Carrying amounts and estimated fair value of financial instruments.
Fair Value Measurement [Domain]
Fair Value Measurement [Domain]
Schedule of Fair Value, Off-balance Sheet Risks [Table Text Block]
Schedule of Fair Value, off-Balance-Sheet Risks [Table Text Block]
Debt
Debt Disclosure [Text Block]
Aggregate Available
Trading Arrangement, Securities Aggregate Available Amount
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Table]
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Table]
Other Comprehensive Income (Loss), before Tax
Other Comprehensive Income (Loss), before Tax
Assets
Assets [Member]
Collateral [Domain]
Collateral Held [Domain]
Other Invested Assets [Member]
Other Invested Assets [Member]
Other Invested Assets Total Fair Value Disclosure [Member]
Derivative Assets (Liabilities), at Fair Value, Net
Derivative Assets (Liabilities), at Fair Value, Net
Weighted Average Number of Shares Outstanding, Diluted
Weighted Average Number of Shares Outstanding, Diluted
Non-GAAP Measure Description
Non-GAAP Measure Description [Text Block]
Other Comprehensive Income (Loss), Transfers from Held-to-maturity to Available-for-Sale Securities, Net of Tax
OCI, Debt Securities, Available-for-Sale, Transfer from Held-to-Maturity, Gain (Loss), before Adjustment, after Tax
Derivative [Table]
Derivative [Table]
Entity Small Business
Entity Small Business
Schedule of Changes in Projected Benefit Obligations [Table Text Block]
Schedule of Changes in Projected Benefit Obligations [Table Text Block]
Derivative Average Remaining Maturity
Derivative, Average Remaining Maturity
Line of Credit Facility, Commitment Fee Amount
Line of Credit Facility, Commitment Fee Amount
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Other Comprehensive Income (Loss), before Reclassifications, before Tax
Syndicated Credit Facility $500 Million [Member]
Credit Facility $500 Million [Member]
Credit Facility $500 Million [Member]
Document Period End Date
Document Period End Date
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense
Year Of Origination 2022
Year Of Origination 2022 [Member]
Year Of Origination 2022
Income Tax Effects Allocated Directly to Equity [Abstract]
Income Tax Effects Allocated Directly to Equity [Abstract]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
Equity, Including Portion Attributable to Noncontrolling Interest
Fair Value Measured On Recurring Basis Guaranteed Interest Contracts Embedded Derivatives
Fair Value Measured On Recurring Basis Guaranteed Interest Contracts Embedded Derivatives
Fair Value, Liabilities Measured on Recurring Basis, Interest-sensitive contract liabilities - embedded derivatives.
Treasury Stock Acquired, Average Cost Per Share
Shares Acquired, Average Cost Per Share
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals
Mortgage loans (net of allowance for credit losses of $117 and $93)
Mortgage loans on real estate
Mortgage loans on real estate
Mortgage Loans on Real Estate, Commercial and Consumer, Net
Equity Method Investments, Fair Value Disclosure
Equity Method Investments, Fair Value Disclosure
Earnings Per Share
Earnings Per Share [Text Block]
Name
Outstanding Recovery, Individual Name
Product and Service [Axis]
Product and Service [Axis]
Policy loans
Loans, Gross, Insurance Policy
Net income (loss) before undistributed earnings of subsidiaries
Income Loss From Continuing Operations Before Undistributed Earnings Of Subsidiaries
Income (loss) from continuing operations before undistributed earnings of subsidiaries.
Ceded Credit Risk, Reinsurer [Domain]
Reinsurer, Name [Domain]
Collateral Fixed Maturity Securities [Member]
Collateral Fixed Maturity Securities [Member]
Measurement Input, Mortality Rate [Member]
Measurement Input, Mortality Rate [Member]
Assumed Premiums Earned
Assumed Premiums Earned
Statistical Measurement [Axis]
Statistical Measurement [Axis]
Share Repurchase Program, Authorized, Amount
Share Repurchase Program, Authorized, Amount
Options, Exercises in Period, Total Intrinsic Value
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value
Market Risk Benefit, Benefit Payment
Market Risk Benefit, Benefit Payment
Mortgage Loans On Real Estate Commercial And Consumer Net Percentage Of Total
Mortgage Loans On Real Estate Commercial And Consumer Net Percentage Of Total
The amount represents the total percentage of each property type in comparison to the total of mortgage loans whose balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio.
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]
Other Liabilities, Fair Value Disclosure
Other Liabilities, Fair Value Disclosure
Operating Expenses
Operating Expenses
Embedded Derivatives In Modified Coinsurance Or Funds Withheld Arrangements [Member]
Embedded Derivatives In Modified Coinsurance Or Funds Withheld Arrangements [Member]
Embedded Derivatives In Modified Coinsurance Or Funds Withheld Arrangements
Long-term Line of Credit
Long-Term Line of Credit
Fair Value, Inputs, Level 1 [Member]
Fair Value, Inputs, Level 1 [Member]
Diluted earnings per share
Earnings Per Share, Diluted
Embedded Derivative Liability, Measurement Input
Embedded Derivative Liability, Measurement Input
Debt Service Coverage Ratio By Range [Axis]
Debt Service Coverage Ratio By Range [Axis]
Debt Service Coverage Ratio By Range [Axis]
Balance Sheet Presentation Of Deferred Tax Liabilities [Abstract]
Balance Sheet Presentation Of Deferred Tax Liabilities [Abstract]
Credit Index Product
Credit Index Product [Member]
Commitment Period Two Thousand Forty Six
Commitment Period Two Thousand Forty Six [Member]
Commitment Period Two Thousand Forty Six
Commercial Loan [Member]
Commercial Loan [Member]
Treasury Stock, Common, Shares
Treasury Stock, Common, Shares
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Security Financing Transaction [Table]
Security Financing Transaction [Table]
Investments, Debt and Equity Securities [Abstract]
Investments, Debt and Equity Securities [Abstract]
Percentage Of Total Available For Sale Securities
Percentage Of Total Available For Sale Securities
Percentage of available for sale securities
Defined Benefit Plan
Defined Benefit Plan [Text Block]
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Not Previously Recorded
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Not Previously Recorded
Reinsurance Premiums for Insurance Companies, by Product Segment, Net Amount
Premiums, Net, Life Insurance in Force
SEC Schedule, 12-17, Insurance Companies, Reinsurance, Life Insurance in Force, Net
Defined Benefit Plan, Actuarial Net (Gains) Losses
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss)
Domestic Tax Jurisdiction
Domestic Tax Jurisdiction [Member]
Mortgage Loan Maturity [Axis]
Mortgage Loan Maturity [Axis]
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance
Disclosure Of Credit Derivatives [Table Text Block]
Disclosure of Credit Derivatives [Table Text Block]
Market Risk Benefit, Change in Fair Value, Gain (Loss)
Market Risk Benefit, Change in Fair Value, Gain (Loss)
Market Risk Benefit, Change in Fair Value, Gain (Loss)
Cash Equivalents
Cash Equivalents [Member]
Financial Services Sector [Member]
Financial Services Sector [Member]
Defined Benefit Plan, Benefit Obligation
Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation
Schedule Of Income Tax Expense Benefit Intraperiod Tax Allocation [Table Text Block]
Schedule Of Income Tax Expense Benefit Intraperiod Tax Allocation [Table Text Block]
Schedule of income tax expense benefit intraperiod tax allocation.
Options, Grants in Period, Weighted Average Exercise Price
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Interest Rate Options [Member]
Interest Rate Options [Member]
Interest Rate Option
Japanese Government Debt Securities Member
Japanese Government Debt Securities [Member]
Japanese Government Debt Securities
Undiscounted and Discounted Future Gross Premiums and Expected Future Benefits
Undiscounted and Discounted Future Gross Premiums and Expected Future Benefits [Table Text Block]
Undiscounted and Discounted Future Gross Premiums and Expected Future Benefits
Derivative Asset, Measurement Input
Derivative Asset, Measurement Input
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders
Gain (Loss) On Sale of Free Standing Derivatives
Gain (Loss) On Sale of Free Standing Derivatives
Gain (Loss) On Sale of Free Standing Derivatives
Schedule Of Corporate Secturities by Major Industry And Credit Rating [Table]
Schedule Of Corporate Secturities by Major Industry And Credit Rating [Table]
Expiration Date
Trading Arrangement Expiration Date
Asia Pacific Traditional Segment
Asia Pacific Traditional Segment [Member]
Asia Pacific Traditional Segment
AOCI Components [Axis]
AOCI Components [Axis]
-- None. No documentation exists for this element. --
Non-Income Producing Securities [Axis]
Non-Income Producing Securities [Axis]
Debt Security, Government, Non-US [Member]
Debt Security, Government, Non-US [Member]
Statutory Financial Reinsurance
Statutory Financial Reinsurance
Statutory financial reinsurance, as measured by pre-tax statutory surplus, provided to other insurance companies under financial reinsurance transactions to assist ceding companies in meeting applicable regulatory requirements.
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Abstract]
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Abstract]
Disclosure Of Real Estate Holdings By Property Type [Table Text Block]
Disclosure Of Real Estate Holdings By Property Type [Table Text Block]
This table presents information on how the Company diversifies its real estate holdings by property type to reduce the risk of concentration.
Available-for-sale Securities, Debt Maturities, within One Year, Amortized Cost Basis
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount
Benefits and expenses
Benefits, Losses and Expenses [Abstract]
CONSOLIDATED BALANCE SHEETS
Statement of Financial Position [Abstract]
Executive Category:
Executive Category [Axis]
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss
Type of Adoption [Domain]
Accounting Standards Update [Domain]
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent
Proceeds from long-term debt issuance, net
Proceeds from affiliated long-term debt issuance
Proceeds from Issuance of Long-Term Debt
Credit Facility 150 Million
Credit Facility 150 Million [Member]
Credit Facility 150 Million
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Interest Rate Future
Interest Rate Future [Member]
Interest Rate Future
Expiration Date Of 2034 And No Valuation Allowance
Expiration Date Of 2034 And No Valuation Allowance [Member]
Expiration Date Of 2034 And No Valuation Allowance
Number Of Shares Available For Grant
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Prior Years
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Prior Years
Deferred Policy Acquisition Cost Cost of Reinsurance Asset
Deferred Policy Acquisition Cost Cost of Reinsurance Asset
Deferred Policy Acquisition Cost Cost of Reinsurance Asset
Equity Awards Adjustments, Excluding Value Reported in Compensation Table
Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member]
Interest Rate Contract
Interest Rate Contract [Member]
Market Risk Benefit, Increase (Decrease) from Future Expected Policyholder Behavior Assumption
Market Risk Benefit, Increase (Decrease) from Future Expected Policyholder Behavior Assumption
Proceeds from Sale and Maturity of Marketable Securities
Proceeds from Sale and Maturity of Marketable Securities
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Fair Value, by Balance Sheet Grouping [Table]
Fair Value, by Balance Sheet Grouping [Table]
Long-term Debt, Maturities, Repayments of Principal in Year Two
Long-Term Debt, Maturity, Year Two
Securities Financing Transaction, Fair Value
Securities Financing Transaction, Fair Value [Member]
Short-duration Insurance Contracts, Historical Claims Duration, Year Four
Short-Duration Insurance Contracts, Historical Claims Duration, Year Four
Available For Sale Securities [Axis]
Available For Sale Securities [Axis]
Other [Member]
Other Funds [Member]
Other Funds [Member]
Measure:
Measure [Axis]
Derivative Fair Value Of Free Standing Derivative Liability
Derivative Fair Value Of Free Standing Derivative Liability
Fair value of free standing derivative liability, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position. Excludes embedded derivatives.
Policyholder Account Balance, Cash Surrender Value
Policyholder Account Balance, Cash Surrender Value
Securities Financing Transaction [Axis]
Securities Financing Transaction [Axis]
Investment Income [Member]
Investment Income [Member]
Increase Decrease In Funds Withheld Net Of Reinsurance Recoverable And Deposit Receivable
Increase In Funds Withheld Net Of Reinsurance Recoverable And Deposit Receivable
The increase during the reporting period in funds withheld, net of reinsurance recoverable and deposit receivable.
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]
Payments to Acquire Real Estate and Real Estate Joint Ventures
Payments to Acquire Real Estate and Real Estate Joint Ventures
Equity Option
Equity Option [Member]
Proceeds from Sale of Available-for-sale Securities, Equity
Proceeds from Sale of Equity Method Investments
Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Fair Value
Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Fair Value
$70.00 - $79.99 [Member]
Range Of Exercise Prices 4 [Member]
Represents a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.
Proceeds from Sale and Collection of Notes Receivable
Proceeds from Sale and Collection of Notes Receivable
Options, Outstanding, Weighted Average Exercise Price, Beginning of Period
Options, Outstanding, Weighted Average Exercise Price, End of Period
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Schedule of Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates [Table Text Block]
Schedule of Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates [Table Text Block]
Common Stock, Shares, Issued
Common Stock, Shares, Issued
Operating Loss Carryforward [Domain]
Operating Loss Carryforward [Domain]
[Domain] for Operating Loss Carryforward [Axis]
Total Shareholder Return Amount
Total Shareholder Return Amount
Debt Instrument, Measurement Input
Debt Instrument, Measurement Input
Mortgage Loans on Real Estate, Description, Type of Property [Axis]
Real Estate, Type of Property [Axis]
Security Exchange Name
Security Exchange Name
Net Cash Return Of Capital From Subsidiaries
Net Cash Return Of Capital From Subsidiaries
Net Cash Return Of Capital From Subsidiaries
Retail Site [Member]
Retail Site [Member]
Policyholder Account Balance, Increase (Decrease) from Other Change
Policyholder Account Balance, Increase (Decrease) from Other Change
Liability for Future Policy Benefit
Liability for Future Policy Benefit [Policy Text Block]
Capitalized Computer Software, Net
Capitalized Computer Software, Net
Line of Credit Facility, Maximum Borrowing Capacity
Line of Credit Facility, Maximum Borrowing Capacity
Defined Benefit Plan, Plan Assets, Category [Domain]
Defined Benefit Plan, Plan Assets, Category [Domain]
Ceded Premiums Earned
Reinsurance Premiums for Insurance Companies, by Product Segment, Amount Ceded to Other Companies
Ceded Premiums Earned
60% - 69.99%
Mortgage Loans By Credit Quality Indicator Range Two [Member]
Mortgage loans with a loan-to-value ratio of 60% to 69.99%.
Reinsurance Disclosures [Abstract]
Reinsurance Disclosures [Abstract]
Defined Benefit Plan, Contributions by Plan Participants (Deprecated 2017-01-31)
Defined Benefit Plan, Plan Assets, Contributions by Plan Participant
Short-Duration Insurance Contract, Accident Year 2022
Short-Duration Insurance Contract, Accident Year 2022 [Member]
Asset Class [Domain]
Asset Class [Domain]
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings
Mortgage Loans On Real Estate Due One Year Through Five Years [Member]
Mortgage Loans On Real Estate Due One Year Through Five Years [Member]
Statement [Line Items]
Statement [Line Items]
$60.00 - $69.99 [Member]
Range Of Exercise Prices 3 [Member]
Represents a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.
Securities Financing Transaction [Domain]
Securities Financing Transaction [Domain]
Cash and cash equivalents
Cash and cash equivalents, beginning of period
Cash and cash equivalents, end of period
Cash and Cash Equivalent
Common Stock Member
Common Stock [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change
Summary of Significant Accounting Policies
Significant Accounting Policies [Text Block]
Obligation with Joint and Several Liability Arrangement [Table]
Obligation with Joint and Several Liability Arrangement [Table]
Statistical Measurement [Domain]
Statistical Measurement [Domain]
Income Tax Paid, Foreign, before Refund Received
Income Tax Paid, Foreign, before Refund Received
Prior Year Claims and Claims Adjustment Expense
Prior Year Claims and Claims Adjustment Expense
Foreign Plan
Foreign Plan [Member]
Income Tax Paid, State and Local, before Refund Received
Income Tax Paid, State and Local, before Refund Received
Mortgage Loans on Real Estate, Name, Property Type [Domain]
Real Estate [Domain]
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater [Member]
Class Of Securities [Axis]
Class Of Securities [Axis]
Interest Rate Swap [Member]
Interest Rate Swap [Member]
Basic earnings per share:
Earnings Per Share, Basic [Abstract]
Notes Payable to Banks [Member]
Notes Payable to Banks [Member]
Gross Premiums And Interest Expense Liability Future Policy Benefits
Gross Premiums And Interest Expense Liability Future Policy Benefits [Table Text Block]
Gross Premiums And Interest Expense Liability Future Policy Benefits
Policyholder Account Balance Foreign Currency Translation
Policyholder Account Balance Foreign Currency Translation
Policyholder Account Balance Foreign Currency Translation
Accrued Income Receivable
Accrued Income Receivable [Member]
Short-duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net
Short-Duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net
Schedule of Line of Credit Facilities [Table Text Block]
Schedule of Line of Credit Facilities [Table Text Block]
Liabilities, Fair Value Disclosure [Abstract]
Liabilities, Fair Value Disclosure [Abstract]
Entity Addresses, Address Type [Axis]
Entity Addresses, Address Type [Axis]
Other Comprehensive Income (Loss), Available-for-sale Securities, before Reclassification Adjustments, Tax
OCI, Debt Securities, Available-for-Sale, Gain (Loss), before Adjustment, Tax
Deferred Tax Assets, Gross
Deferred Tax Assets, Gross
Derivative Instruments Gain Loss By Income Statement Location [Table Text Block]
Derivative Instruments Gain Loss By Income Statement Location [Table Text Block]
The location and amount of gains and losses reported in the statements of income on derivative instruments not designated or qualifying as hedging instruments, including embedded derivatives, by income statement location.
Total other comprehensive income (loss), net of income taxes
Other Comprehensive Income (Loss), Net of Tax
Other Comprehensive Income (Loss), Net of Tax
Liability for Future Policy Benefit, Weighted-Average Duration
Liability for Future Policy Benefit, Weighted-Average Duration
Financing Receivable, Allowance for Credit Loss, Loan Sold
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Securities Sold
Synthetic Guaranteed Investment Contracts [Member]
Synthetic Guaranteed Investment Contracts [Member]
Synthetic Guaranteed Investment Contracts
Debt Instrument, Redemption, Period [Axis]
Debt Instrument, Redemption, Period [Axis]
Measurement Input Type [Domain]
Measurement Input Type [Domain]
Cumulative Effect, Period of Adoption [Domain]
Cumulative Effect, Period of Adoption [Domain]
Award Timing MNPI Disclosure
Award Timing MNPI Disclosure [Text Block]
Cash and Cash Equivalents [Member]
Cash and Cash Equivalents [Member]
Share-based Payment Arrangement, Expense
Share-Based Payment Arrangement, Expense
Year Of Origination 2017
Year Of Origination 2017 [Member]
Year Of Origination 2017 [Member]
Short-Duration Insurance Contract, Accident Year 2020
Short-Duration Insurance Contract, Accident Year 2020 [Member]
Total liabilities and equity
Total liabilities and equity
Liabilities and Equity
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Derivative Instruments, Gain (Loss) [Table]
Derivative Instruments, Gain (Loss) [Table]
Available-for-sale Securities [Member]
Available-for-Sale Securities [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Guarantees [Abstract]
Guarantees [Abstract]
Accounting Policies [Abstract]
Accounting Policies [Abstract]
OCI, Market Risk Benefit, Instrument-Specific Credit Risk, Gain (Loss), before Adjustments and Tax
OCI, Market Risk Benefit, Instrument-Specific Credit Risk, Gain (Loss), before Adjustments and Tax
Other than Temporary Impairment Losses, Investments
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Period Increase (Decrease)
Pay vs Performance Disclosure [Line Items]
Compensation Expense Related to Performance Units Requisite Performance Factor Percentage
Compensation Expense Related to Performance Units Requisite Performance Factor Percentage
Compensation Expense Related to Performance Units Requisite Performance Factor Percentage
Options Exercisable
Share-Based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable
Financial Liabilities Fair Value Disclosure
Financial Liabilities Fair Value Disclosure
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 [Member]
Short-duration Insurance Contracts, Historical Claims Duration, Year Eight
Short-Duration Insurance Contracts, Historical Claims Duration, Year Eight
Defined Benefit Plan, Plan Assets, Contributions by Employer
Defined Benefit Plan, Plan Assets, Contributions by Employer
Retirement Plan Tax Status [Axis]
Retirement Plan Tax Status [Axis]
Total comprehensive income available to Reinsurance Group of America, Inc.
Total comprehensive income (loss)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Performing
Performing [Member]
Recorded Investment In Residential Real Estate Loans that are in a Performing status.
Name
Measure Name
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Issuances
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Issuances
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Decrease In Reinsurance Deposits Financing Activities
Increase (Decrease) in Deposits
Class of Stock [Line Items]
Class of Stock [Line Items]
Industry Sector [Domain]
Industry Sector [Domain]
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-Term Rate of Return on Plan Assets
Effective Income Tax Rate Reconciliation Effects Of Tax Law Changes And Restructuring
Effective Income Tax Rate Reconciliation Effects Of Tax Law Changes And Restructuring
Effective Income Tax Rate Reconciliation Effects Of Tax Law Changes And Restructuring
1.00x - 1.20x
Debt Service Coverage Ratio Range Two [Member]
Mortgage loans with a debt service coverage ratio of 1.00x - 1.20x.
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table]
Commitment Period [Domain]
Commitment Period [Domain]
[Domain] for Commitment Period [Axis]
Deferred Tax Assets, Tax Credit Carryforwards, Foreign
Deferred Tax Assets, Tax Credit Carryforwards, Foreign
Schedule of Comprehensive Income (Loss) [Table Text Block]
Comprehensive Income (Loss) [Table Text Block]
Long-term debt
Long-Term Debt
Total assets
Total assets
Assets
Condensed Cash Flow Statement
Condensed Cash Flow Statement [Table Text Block]
Real Estate [Table]
Real Estate [Table]
Reinsurance Information [Table Text Block]
Reinsurance Information [Table Text Block]
Reinsurance Information Table Text Block
Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax
Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax
Market Risk Benefit, before Reinsurance and Cumulative Increase (Decrease) from Instrument-Specific Credit Risk Change
Market Risk Benefit, before Reinsurance and Cumulative Increase (Decrease) from Instrument-Specific Credit Risk Change
Investment Geographic Region [Domain]
Geographical [Domain]
Income Taxes
Income Tax, Policy [Policy Text Block]
Short-duration Insurance Contracts, Schedule of Historical Claims Duration [Table Text Block]
Short-Duration Insurance Contracts, Schedule of Historical Claims Duration [Table Text Block]
Cash flows from operating activities
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax
Additional Cash Flow Elements and Supplemental Cash Flow Information [Abstract]
Additional Cash Flow Elements and Supplemental Cash Flow Information [Abstract]
Short-duration Insurance Contracts, Claims Development [Table]
Short-Duration Insurance Contracts, Claims Development [Table]
Senior Notes Due 2034
Senior Notes Due 2034 [Member]
Senior Notes Due 2034
Short-duration Insurance Contracts, Liability for Unpaid Claims and Claims Adjustment Expense, Accumulated Unallocated Claim Adjustment Expense
Short-Duration Insurance Contracts, Liability for Unpaid Claims and Claims Adjustment Expense, Accumulated Unallocated Claim Adjustment Expense
Common Shares Outstanding
Entity Common Stock, Shares Outstanding
Market Risk Benefit, Attributed Fee Collected
Market Risk Benefit, Attributed Fee Collected
Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net
Short-Duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net
Right-of-use assets acquired through operating leases
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability
Document Financial Statement Error Correction [Flag]
Document Financial Statement Error Correction [Flag]
Change in instrument-specific credit risk for market risk benefits
OCI, Market Risk Benefit, Instrument-Specific Credit Risk, Gain (Loss), after Adjustments and Tax
Valuation Allowances and Reserves, Charged to Other Accounts
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account
PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100
PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100 [Member]
Policyholder Account Balance Above Guaranteed Minimum Crediting Rate Range From 0051 To 0100 Member
Revenue Commissioners, Ireland
Revenue Commissioners, Ireland [Member]
Credit Risk Derivatives, at Fair Value, Net
Credit Risk Derivatives, at Fair Value, Net
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
PEO
PEO [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3
Gilti Net of Credits
Effective Income Tax Rate Reconciliation, GILTI, Amount
Investments Classified By Contractual Maturity Date [Table Text Block]
Investments Classified by Contractual Maturity Date [Table Text Block]
Income Tax Paid, by Individual Jurisdiction [Line Items]
Income Tax Paid, by Individual Jurisdiction [Line Items]
Year Of Origination 2020
Year Of Origination 2020 [Member]
Year Of Origination 2020 [Member]
UNITED STATES
UNITED STATES
Corporate And Other Segment Reporting Information [Member]
Corporate Segment and Other Operating Segment [Member]
Effective Income Tax Rate Reconciliation Statutory tax rate difference between India and United States Percent
Effective Income Tax Rate Reconciliation Statutory tax rate difference between India and United States Percent
Effective Income Tax Rate Reconciliation Statutory tax rate difference between India and United States Percent
Income Tax Reconciliation Foreign Income Tax Basis Differential
Income Tax Reconciliation Foreign Income Tax Basis Differential
The portion of the difference, between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations, that is attributable to the total foreign income tax basis. The foreign income tax basis represents the difference in tax expense or benefit attributable to foreign taxable income recognized on a U.S. statutory basis compared to the tax expense or benefit at applicable domestic statutory income tax rates applied to foreign taxable income recognized for domestic statutory income purposes.
Retained Earnings Member
Retained Earnings [Member]
Schedule Major Categories Of Investment Income Net of Expenses [Table]
Schedule Major Categories Of Investment Income Net of Expenses [Table]
Line of Credit Facility, Interest Rate Description
Line of Credit Facility, Interest Rate Description
Line of Credit Facility, Interest Rate Description
Change in cash and cash equivalents
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation
Derivative Asset
Derivative Asset
Debt Service Coverage Ratio By Range [Domain]
Debt Service Coverage Ratio By Range [Domain]
[Domain] for Debt Service Coverage Ratio By Range [Axis]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer
Other change in allowance for credit losses and impairments
Other change in allowance for credit losses and impairments
Other change in allowance for credit losses and impairments
Interest Expense [Member]
Interest Expense [Member]
Fair Value, Nonrecurring
Fair Value, Nonrecurring [Member]
Comprehensive Income Net Of Tax [Line Items]
Comprehensive Income Net Of Tax [Line Items]
Investments, Fair Value Disclosure
Investments, Fair Value Disclosure
Short-duration Insurance Contract, Discounted Liability, Discount
Short-Duration Insurance Contract, Discounted Liability, Discount
Funds Held Under Reinsurance Agreements, Asset Fair Value Disclosure
Funds Held Under Reinsurance Agreements, Asset Fair Value Disclosure
Funds Held Under Reinsurance Agreements, Asset Fair Value Disclosure
Debt Securities, Available-for-sale [Abstract]
Debt Securities, Available-for-Sale [Abstract]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3
Standard & Poor's, B Rating
Standard & Poor's, B Rating [Member]
Future Policy Benefits Reconciliation To Balance Sheet
Future Policy Benefits Reconciliation To Balance Sheet [Table Text Block]
Future Policy Benefits Reconciliation To Balance Sheet
Net income
Net Income
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Equity Securities, FV-NI, Measurement Input
Equity Securities, FV-NI, Measurement Input
Restatement does not require Recovery
Restatement Does Not Require Recovery [Text Block]
Financial and Nonfinancial Liabilities, Fair Value Disclosure
Liabilities, Fair Value Disclosure
Mortgage Loans On Real Estate Due After Ten Years [Member]
Mortgage Loans On Real Estate Due After Ten Years [Member]
Reinsurance Premiums for Insurance Companies, by Product Segment, Percentage of Amount Assumed to Net
SEC Schedule, 12-17, Insurance Companies, Reinsurance, Premium, Percentage Assumed to Net
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Policyholder Account Balance, Guaranteed Minimum Crediting Rate Range [Domain]
Policyholder Account Balance, Guaranteed Minimum Crediting Rate Range [Domain]
Income Tax Paid, by Individual Jurisdiction [Table]
Income Tax Paid, by Individual Jurisdiction [Table]
Major Categories Of Investment Income Net Of Expenses [Line Items]
Major Categories Of Investment Income Net of Expenses [Line Items]
Short-duration Insurance Contracts, Historical Claims Duration, Year Five
Short-Duration Insurance Contracts, Historical Claims Duration, Year Five
City Area Code
City Area Code
Award Timing, How MNPI Considered
Award Timing, How MNPI Considered [Text Block]
Senior Notes Due 2033
Senior Notes Due 2033 [Member]
Senior Notes Due 2033
Deferred Tax Liabilities, Net
Deferred Tax Liabilities, Net
Deferred Tax Liabilities, Net
Cash flows from investing activities
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]
SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain]
SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain]
Accounts Receivable, Noncurrent, Nonaccrual
Accounts Receivable, Noncurrent, Nonaccrual
Insurance Contract, Acquisition Cost
Insurance Contract, Acquisition Cost [Policy Text Block]
Defined Benefit Plan, Plan Assets, Amount
Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Plan Assets
Liability for Future Policy Benefit, Expected Future Policy Benefit, Derecognition
Liability for Future Policy Benefit, Expected Future Policy Benefit, Derecognition
Equity Net Earnings Subsidiaries
Equity Net Earnings Subsidiaries
Equity Net Earnings Subsidiaries
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties, Fair Value
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties, Fair Value
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3
Unrecognized Tax Benefits [Roll Forward]
Unrecognized Tax Benefits [Roll Forward]
Defined Benefit Plan, Estimated Future Benefit Payments [Abstract]
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
Supplemental disclosures of cash flow information:
Supplemental Cash Flow Information [Abstract]
Supplementary Insurance Information For Insurance Companies Disclosure [Table Text Block]
Supplementary Insurance Information For Insurance Companies Disclosure [Table Text Block]
Schedule of required supplementary insurance information giving segment detail in support of various balance sheet and income statement captions.
Other Performance Measure, Amount
Other Performance Measure, Amount
Long-Duration Insurance Contracts Disclosure
Long-Duration Insurance Contracts Disclosure [Text Block]
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Table]
Short-Duration Insurance Contracts, Reconciliation of Claims Development to Liability [Table]
Market Risk Benefit, Increase (Decrease) from Other Assumption
Market Risk Benefit, Increase (Decrease) from Other Assumption
Fair Value Measurements
Fair Value of Financial Instruments, Policy [Policy Text Block]
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Provision
Allowance For Loan and Lease Losses Provision Of Credit Losses
Allowance For Loan and Lease Losses Provision Of Credit Losses
Commercial Real Estate Portfolio Segment
Commercial Real Estate Portfolio Segment [Member]
Additional paid-in-capital
Additional Paid in Capital, Common Stock
EMEA Financial Solutions Segment
EMEA Financial Solutions Segment [Member]
EMEA Financial Solutions Segment
Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table
Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member]
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net
Interest paid
Interest Paid, Excluding Capitalized Interest, Operating Activity
Effective Income Tax Rate Reconciliation, Percent
Effective Income Tax Rate Reconciliation, Percent
Reinsurance Premiums for Insurance Companies, by Product Segment, Percentage of Amount Assumed to Net
Life Insurance in Force Premiums, Percentage Assumed to Net
SEC Schedule, 12-17, Insurance Companies, Reinsurance, Life Insurance in Force, Percentage Assumed to Net
Change in cash collateral for derivatives and repurchase/reverse repurchase agreements
Increase (Decrease) Cash Collateral from Counterparties
Construction Loan
Construction Loan
Bank Loan Obligations [Member]
Bank Loan Obligations [Member]
Equity [Abstract]
Equity [Abstract]
Deferred Tax Assets, Valuation Allowance
Deferred Tax Assets, Valuation Allowance
Deferred Tax Assets, Valuation Allowance
Real Estate Investment Financial Statements, Disclosure
Real Estate Investment Financial Statements, Disclosure [Table Text Block]
U.S. Equity Funds [Member]
U.S. Equity Funds [Member]
U.S. Equity Funds [Member]
Current Federal Tax Expense (Benefit)
Current Federal Tax Expense (Benefit)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3
Other Commitments [Table Text Block]
Other Commitments [Table Text Block]
Schedule of Underlying Assets of Repurchase Agreements when Amount of Repurchase Agreements Exceeds 10 Percent of Assets [Table Text Block]
Schedule of Underlying Assets of Repurchase Agreements when Amount of Repurchase Agreements Exceeds 10 Percent of Assets [Table Text Block]
Compensation Actually Paid vs. Total Shareholder Return
Compensation Actually Paid vs. Total Shareholder Return [Text Block]
Comprehensive Income
Comprehensive Income (Loss) Note [Text Block]
Weighted Average [Member]
Weighted Average [Member]
Exchange [Domain]
Exchange [Domain]
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Residential Mortgage Backed Securities [Member]
Residential Mortgage-Backed Securities [Member]
Effective Income Tax Rate Reconciliation Tax effects of reorganization
Effective Income Tax Rate Reconciliation Tax effects of reorganization
Effective Income Tax Rate Reconciliation Tax effects of reorganization
Funds Held under Reinsurance Agreements, Liability
Funds Held under Reinsurance Agreements, Liability
Funds Held under Reinsurance Agreements, Liability
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount
Arrangement Duration
Trading Arrangement Duration
Other [Member]
Other Credit Derivatives [Member]
Equity Based Compensation
Share-Based Payment Arrangement [Text Block]
Gains Losses Deferred In Accumulated Other Comprehensive Income Loss On Derivatives
Gains Losses Deferred In Accumulated Other Comprehensive Income Loss On Derivatives
The current period gain (loss) recognized in other comprehensive income related to the derivatives designated in cash flow hedges.
Policyholder Account Balance, Surrender and Withdrawal
Policyholder Account Balance, Surrender and Withdrawal
Assets
Assets [Abstract]
Proceeds from Maturities, Prepayments and Calls of Short-Term Investments
Proceeds from Maturities, Prepayments and Calls of Short-Term Investments
Line of Credit Facility, Priority
Line of Credit Facility, Priority
Market Risk Benefit, after Increase (Decrease) from Instrument-Specific Credit Risk
Market Risk Benefit, after Increase (Decrease) from Instrument-Specific Credit Risk
Market Risk Benefit, after Increase (Decrease) from Instrument-Specific Credit Risk
Share repurchase program
Treasury Stock, Value, Acquired, Cost Method
Treasury Stock, Value, Acquired, Cost Method
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Operating Expense
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Operating Expense
Americas [Member]
Americas [Member]
Securities Financing Transaction [Line Items]
Securities Financing Transaction [Line Items]
Stock Price or TSR Estimation Method
Stock Price or TSR Estimation Method [Text Block]
U.S. And Latin America Traditional Segment Member
U.S. And Latin America Traditional Segment [Member]
U.S. And Latin America Traditional Segment
Assets, Fair Value Disclosure
Assets, Fair Value Disclosure
Revision of Prior Period [Domain]
Revision of Prior Period [Domain]
Future Policy Benefits Cost Of Reinsurance Liability
Future Policy Benefits Cost Of Reinsurance Liability
Future Policy Benefits Cost Of Reinsurance Liability
Amortization of net investment premiums, discounts and other
Accretion (Amortization) of Discounts and Premiums, Investments
Accumulated Other Comprehensive Income (Loss) [Table]
Accumulated Other Comprehensive Income (Loss) [Table]
Maturity 30 to 90 Days [Member]
Maturity 30 to 90 Days [Member]
Entity Addresses [Line Items]
Entity Addresses [Line Items]
Income Tax Reconciliation Change In Foreign Enacted Tax Rate
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount
Share-based Payment Arrangement, Activity [Table Text Block]
Share-Based Payment Arrangement, Activity [Table Text Block]
No Expiration And Partial Valuation Allowance [Member]
No Expiration And Partial Valuation Allowance [Member]
No Expiration And Partial Valuation Allowance [Member]
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax
Funds Withheld Payable Policy Text Block
Funds Withheld Payable [Policy Text Block]
Description of reinsurance agreements recorded with a funds withheld payable that contains an embedded derivative.
Components Of Accumulated Other Comprehensive Income [Table Text Block]
Components Of Accumulated Other Comprehensive Income [Table Text Block]
Components of accumulated other comprehensive income.
Name
Awards Close in Time to MNPI Disclosures, Individual Name
Credit Facility 200 Million
Credit Facility 200 Million [Member]
Credit Facility 200 Million
Short-duration Insurance Contracts, Historical Claims Duration, Year Two
Short-Duration Insurance Contracts, Historical Claims Duration, Year Two
Aggregate Erroneous Compensation Not Yet Determined
Aggregate Erroneous Compensation Not Yet Determined [Text Block]
Change in fair value of certain limited partnership investments and other, net
Change In Fair Value Of Certain Limited Partnership Investments And Other, Net
Change In Fair Value Of Certain Limited Partnership Investments And Other, Net
Treasury stock, at cost – 19,846,934 and 19,438,336 shares at December 31, 2025 and December 31, 2024
Treasury Stock, Value
Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, Tax
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax
Amounts Reclassified From AOCI [Member]
Amounts Reclassified From AOCI [Member]
-- None. No documentation exists for this element. --
Common Stock Issuable [Member]
Common Stock Issuable [Member]
Common Stock Issuable [Member]
Senior Notes Due 2030
Senior Notes Due 2030 [Member]
Senior Notes Due 2030
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Premium Revenue
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Premium Revenue
Auditor Firm ID
Auditor Firm ID
Segments [Domain]
Segments [Domain]
Assets, Fair Value Adjustment
Assets, Fair Value Adjustment
Investments
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]
Effective Income Tax Rate Reconciliation Changes in valuation allowance India Foreign Tax Effects Percent
Effective Income Tax Rate Reconciliation Changes in valuation allowance India Foreign Tax Effects Percent
Effective Income Tax Rate Reconciliation Changes in valuation allowance India Foreign Tax Effects Percent
Accumulated Net Unrealized Investment Gain (Loss) [Member]
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Derivative, Collateral, Obligation to Return Cash
Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash Not Offset
Policyholder Account Balance
Policyholder Account Balance
Earnings Per Share
Earnings Per Share, Policy [Policy Text Block]
Reinsurance Ceded Receivables Percentage Total
Reinsurance Ceded Receivables Percentage Total
Percentage of the Reinsurance Ceded Receivables and other total that is accounted for by 2 companies.
Short-duration Insurance Contracts, Historical Claims Duration, Year Seven
Short-Duration Insurance Contracts, Historical Claims Duration, Year Seven
Derivative Liability, Fair Value, Gross Asset
Derivative Liability, Subject to Master Netting Arrangement, Asset Offset
Net Unrealized Appreciation Depreciation Of The Components Of Accumulated Other Comprehensive Income [Domain]
Net Unrealized Appreciation Depreciation Of The Components Of Accumulated Other Comprehensive Income [Domain]
-- None. No documentation exists for this element. --
US States and Political Subdivisions Debt Securities [Member]
US States and Political Subdivisions Debt Securities [Member]
Future Dividend Payment Restricted To Such Percent Of Surplus To Policy Holders
Future Dividend Payment Restricted To Such Percent Of Surplus To Policy Holders
Restriction as to percent of the Company's surplus to policyholders for future dividend payment.
Financial Asset, Period Past Due [Axis]
Financial Asset, Aging [Axis]
All Executive Categories
All Executive Categories [Member]
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Common stock (par value $0.01 per share; 140,000,000 shares authorized; shares issued: 85,310,598 at both December 31, 2025 and December 31, 2024)
Common Stock, Value, Issued
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments
Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Foreign Currency Swap Net Of Tax
Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Foreign Currency Swap Net Of Tax
Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Foreign Currency Swap Net Of Tax
Other Reinsurance Subsidiaries [Member]
Other Reinsurance Subsidiaries [Member]
This category includes information related to the statutory financial statements for RGA's Other Reinsurance Subsidiaries, not considered material by themselves.
Credit Facility 100 Million [Member]
Credit Facility 100 Million [Member]
Credit Facility 100 Million [Member]
Total comprehensive income
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Investment Income [Table Text Block]
Investment Income [Table Text Block]
Short-term Investments [Member]
Short-Term Investments [Member]
Accounting Standards Update and Change in Accounting Principle
Accounting Standards Update and Change in Accounting Principle [Text Block]
Other Nonoperating Expense
Other Nonoperating Expense
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after 10 Years, Fair Value
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10
Schedule of Net Investment Hedges, Statements of Financial Performance and Financial Position, Location [Table Text Block]
Schedule of Net Investment Hedges, Statements of Financial Performance and Financial Position, Location [Table Text Block]
Payments to Acquire Mortgage Notes Receivable
Payments to Acquire Mortgage Notes Receivable
Financial Asset, 60 to 89 Days Past Due
Financial Asset, 60 to 89 Days Past Due [Member]
Hedging Designation [Axis]
Hedging Designation [Axis]
Schedule of Unrecognized Tax Benefits Roll Forward
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]
Unrealized Gain Loss Reclass [Domain]
Unrealized Gain Loss Reclass [Domain]
-- None. No documentation exists for this element. --
Future Policy Benefits
Liability for Future Policy Benefits and Unpaid Claims Disclosure [Text Block]
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax
Derivative, Name [Domain]
Derivative Contract [Domain]
Defined Benefit Plan, Expected Future Benefit Payment, Year Five
Defined Benefit Plan, Expected Future Benefit Payment, Year Five
Available-for-sale Securities, Realized Losses, Excluding Other than Temporary Impairments
Debt Securities, Available-for-Sale, Realized Loss
Residential Real Estate
Residential Real Estate [Member]
Fixed Maturity Holdings Industry Types [Table Text Block]
Fixed Maturity Holdings Industry Types [Table Text Block]
Table includes the amortized cost and estimated fair value by industry type for the fixed maturity holdings.
Effective Income Tax Rate Reconciliation Statutory tax rate difference between India and United States
Effective Income Tax Rate Reconciliation Statutory tax rate difference between India and United States
Effective Income Tax Rate Reconciliation Statutory tax rate difference between India and United States
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]
Expiration Period
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period
Market Risk Benefit, Asset, Amount
Market Risk Benefit, Asset, Amount
Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested
Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member]
Operating Joint Ventures
Operating Joint Ventures [Policy Text Block]
Discussion of operating joint ventures made for the purpose of generating investment income.
Year Of Origination 2016
Year Of Origination 2016 [Member]
Year Of Origination 2016 [Member]
Securities Sold under Agreements to Repurchase
Securities Sold under Agreements to Repurchase [Member]
Short-term investments
Other Short-Term Investments
Liability for Future Policy Benefit Activity [Table]
Liability for Future Policy Benefit Activity [Table]
Erroneous Compensation Analysis
Erroneous Compensation Analysis [Text Block]
Other investment related gains (losses), net
Gain (Loss) on Sale of Other Investments
Canada Financial Solutions Segment
Canada Financial Solutions Segment [Member]
Canada Financial Solutions Segment
Limited Partnership Classification [Axis]
Limited Partnership Classification Axis [Axis]
Limited Partnership Classification Axis
Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]
Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]
Statutory Accounting Practices [Table]
Statutory Accounting Practices [Table]
Benefit Of RGA Subsidiaries [Member]
Benefit Of RGA Subsidiaries [Member]
Assets to be held in turst for the benefit of subsidiaries.
Options Outstanding, Weighted Average Exercise Price
Share-Based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price
Concentration Risk Benchmark [Domain]
Concentration Risk Benchmark [Domain]
Title of 12(b) Security
Title of 12(b) Security
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate Schedule [Table]
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate Schedule [Table]
Liability for Future Policy Benefit, Weighted-Average Interest Accretion Rate
Liability for Future Policy Benefit, Weighted-Average Interest Accretion Rate
Effective Income Tax Rate Reconciliation, GILTI, Percent
Effective Income Tax Rate Reconciliation, GILTI, Percent
Internal Noninvestment Grade
Internal Noninvestment Grade [Member]
Credit Rating, AM Best [Domain]
Credit Rating, AM Best [Domain]
0% - 59.99%
Mortgage Loans By Credit Quality Indicator Range One [Member]
Mortgage loans with a loan-to-value ratio of less than 59.99%.
Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount
Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount
Earnings per share
Earnings Per Share [Abstract]
Watch List
Watch List [Member]
Watch List Internal Credit Quality Grade
Increase (Decrease) in Future Policy Benefit Reserves
Increase (Decrease) in Future Policy Benefit Reserves
Quarterly Financial Information Disclosure [Abstract]
Quarterly Financial Information Disclosure [Abstract]
Income Tax Paid, Federal, before Refund Received
Income Tax Paid, Federal, before Refund Received
Short-duration Insurance Contracts, Historical Claims Duration, Year Nine
Short-Duration Insurance Contracts, Historical Claims Duration, Year Nine
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax
Year Of Origination 2019
Year Of Origination 2019 [Member]
Year Of Origination 2019 [Member]
Market Risk Benefit, after Reinsurance and Cumulative Increase (Decrease) from Instrument-Specific Credit Risk Change
Market Risk Benefit, after Reinsurance and Cumulative Increase (Decrease) from Instrument-Specific Credit Risk Change
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Line Items]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Exercised / Lapsed
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Accounting Standards Update 2023-07
Accounting Standards Update 2023-07 [Member]
Award Timing Disclosures [Line Items]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards [Line Items]
Other policy claims and benefits
Liability for Unpaid Claims and Claims Adjustment Expense, Net
Credit Rating, AM Best [Axis]
Credit Rating, AM Best [Axis]
Deferred State and Local Income Tax Expense (Benefit)
Deferred State and Local Income Tax Expense (Benefit)
Accounts Receivable, Noncurrent, Credit Quality Indicator
Accounts Receivable, Noncurrent, Credit Quality Indicator [Table Text Block]
Reinsurance
Reinsurance [Text Block]
Net income available to RGA, Inc. shareholders
Net Income (Loss) Attributable to Parent
Net Income (Loss) Attributable to Parent
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Future policy benefits
Liability for Future Policy Benefit, before Reinsurance
Adoption Date
Trading Arrangement Adoption Date
Financing Receivable, Past Due [Table]
Financing Receivable, Past Due [Table]
Federal Home Loan Bank Certificates and Obligations (FHLB)
Federal Home Loan Bank Certificates and Obligations (FHLB) [Member]
RGA Barbados [Member]
RGA Barbados [Member]
This category includes information related to the statutory financial statements for RGA Reinsurance Company (Barbados) Ltd.
Accumulated Other Comprehensive Income Loss Change In Component During Period
Accumulated Other Comprehensive Income Loss Change In Component During Period
Comprehensive Income (Loss), change in component during period
Retained earnings
Retained Earnings (Accumulated Deficit)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Performance Factor
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Performance Factor
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Performance Factor. Number of outstanding performance units to which the performance factor will be applied.
Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested
Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member]
Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Amount
Effective Income Tax Rate Reconciliation, Cross-Border, Other, Amount
Quarterly Financial Data [Abstract]
Quarterly Financial Data [Abstract]
Condensed Financial Statements [Table Text Block]
Condensed Financial Statements [Table Text Block]
Cash flows from financing activities
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent
Future Policy Benefits Remeasurement Gain Loss After Reinsurance
Future Policy Benefits Remeasurement Gain Loss After Reinsurance
Future Policy Benefits Remeasurement Gain Loss After Reinsurance
Future Policy Benefits Remeasurement Gain Loss After Reinsurance
Year Of Origination 2018
Year Of Origination 2018 [Member]
Year Of Origination 2018 [Member]
Variable Rate [Domain]
Variable Rate [Domain]
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis [Abstract]
Debt Securities, Available-for-Sale, Amortized Cost, Fiscal Year Maturity [Abstract]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Other Postretirement Benefit Plans, Defined Benefit [Member]
Other Postretirement Benefits Plan [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Sales
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Sales
Liability for Claims and Claims Adjustment Expense
Liability for Claims and Claims Adjustment Expense Beginning Balance
Liability for Claims and Claims Adjustment Expense, Ending Balance
Liability for Claims and Claims Adjustment Expense
Apartment Building [Member]
Apartment Building [Member]
Insider Trading Policies and Procedures Adopted
Insider Trading Policies and Procedures Adopted [Flag]
Canadian Provincial Governments [Member]
Canadian Provincial Governments [Member]
Market Risk Benefit, Reinsurance Recoverable, after Allowance
Market Risk Benefit, Reinsurance Recoverable, after Allowance
Financial Assets Sold under Agreements to Repurchase, Gross Including Not Subject to Master Netting Arrangement
Financial Assets Sold under Agreements to Repurchase, Gross Including Not Subject to Master Netting Arrangement
Weighted Average Number of Shares Outstanding, Basic
Weighted Average Number of Shares Outstanding, Basic
Common Stock Held In Treasury [Member]
Common Stock Held In Treasury [Member]
Common Stock Held In Treasury [Member]
Short-duration Insurance Contracts, Historical Claims Duration [Table]
Short-Duration Insurance Contracts, Historical Claims Duration [Table]
Options exercisable
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number
Short-duration Insurance Contract, Discounted Liability, Discount for Reinsurance
Short-Duration Insurance Contract, Discounted Liability, Discount for Reinsurance
Debt Disclosure [Abstract]
Debt Disclosure [Abstract]
Defined Benefit Plan by Plan Asset Categories [Axis]
Defined Benefit Plan, Plan Assets, Category [Axis]
Liability for Future Policy Benefit, Expected Future Gross Premium, Discounted, before Reinsurance
Liability for Future Policy Benefit, Expected Future Gross Premium, Discounted, before Reinsurance
Investment Narrative [Line Items]
Investment Narrative [Line Items]
Assets Held In Trust [Domain]
Assets Held In Trust [Domain]
The type of reinsurance agreements that require assets to be held in turst, either for the benefit of subsidiaries or third parties.
Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, before Tax
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Defined Benefit Plan Net Periodic Benefit Cost And Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Period Increase Decrease
Defined Benefit Plan Net Periodic Benefit Cost And Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Period Increase Decrease
The total of net periodic benefit cost for defined benefit plans for the period and other chages in plan assets recognized in other comprehensive income for the period.
Liability for Future Policy Benefit, Remeasurement Gain (Loss)
Liability for Future Policy Benefit, Remeasurement Gain (Loss)
Liability for Future Policy Benefit, Remeasurement Gain (Loss)
Defined Benefit Plan, Expected Future Benefit Payments in Five Fiscal Years Thereafter
Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years
Geographic Distribution [Axis]
Geographic Distribution [Axis]
Defined benefit pension and postretirement plan adjustments
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax
Effective Income Tax Rate Reconciliation Changes in Unrecognized Tax Benefits Percent
Effective Income Tax Rate Reconciliation Changes in Unrecognized Tax Benefits Percent
Effective Income Tax Rate Reconciliation Changes in Unrecognized Tax Benefits Percent
Less than 1.00x
Debt Service Coverage Ratio Range Three [Member]
Mortgage loans with a debt service coverage ratio of less than 1.00x.
Address Type [Domain]
Address Type [Domain]
External Credit Rating, Noninvestment Grade [Member]
External Credit Rating, Noninvestment Grade [Member]
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Liability for Future Policy Benefit, Loss, Claim and Loss Expense
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Liability for Future Policy Benefit, Loss, Claim and Loss Expense
Foreign currency translation adjustments
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Financial Asset, Not Past Due
Financial Asset, Not Past Due [Member]
Market Risk Benefit, Net Amount at Risk
Market Risk Benefit, Net Amount at Risk
Total liabilities
Liabilities
Liabilities
Other Comprehensive Income (Loss), Transfers from Held-to-maturity to Available-for-Sale Securities, before Tax
OCI, Debt Securities, Available-for-Sale, Transfer from Held-to-Maturity, Gain (Loss), before Adjustment and Tax
Pension Adjustments Prior Service Cost
Pension Adjustments Prior Service Cost [Member]
Securities Borrowed
Securities Borrowed
Non-Income Producing Securities [Domain]
Non-Income Producing Securities [Domain]
Korean Government Debt Securities
Korean Government Debt Securities [Member]
Korean Government Debt Securities
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year
Effective Income Tax Reconciliation Subpart F
Effective Income Tax Reconciliation Subpart F
Effective Income Tax Reconciliation Subpart F
Principal payments of long-term debt
Maturities of Senior Debt
70% - 79.99%
Mortgage Loans By Credit Quality Indicator Range Three [Member]
Mortgage loans with a loan-to-value ratio of 70% to 79.99%.
Other Aggregated Investments [Member]
Other Security Investments [Member]
Asset-backed Securities [Member]
Asset-Backed Securities [Member]
Policyholder Account Balance
Policyholder Account Balance [Table Text Block]
Gross Investment Income, Operating
Gross Investment Income, Operating
Market Risk Benefit [Table]
Market Risk Benefit [Table]
Fixed maturity securities available-for-sale at fair value (amortized cost of $107,264 and $82,907; allowance for credit losses of $210 and $98)
Fixed maturity securities available-for-sale
Fixed maturity securities available-for-sale
Debt Securities, Available-for-Sale
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Non-NEOs
Non-NEOs [Member]
Decrease In Funds Withheld Net Of Reinsurance Recoverable And Deposit Receivable
Decrease In Funds Withheld Net Of Reinsurance Recoverable And Deposit Receivable
The decrease during the reporting period in funds withheld, net of reinsurance recoverable and deposit receivable.
Hotel
Hotel [Member]
OCI, Liability for Future Policy Benefit, Gain (Loss), after Reclassification Adjustment, Tax
OCI, Liability for Future Policy Benefit, Gain (Loss), after Reclassification Adjustment, Tax
Realized Investment Gains (Losses)
Realized Investment Gains (Losses)
Entity Listings, Exchange [Axis]
Entity Listings, Exchange [Axis]
Measurement Input, Default Rate
Measurement Input, Default Rate [Member]
Award Timing Predetermined
Award Timing Predetermined [Flag]
Additional Paid In Capital Member
Additional Paid-in Capital [Member]
Tabular List, Table
Tabular List [Table Text Block]
Reconciliation Of NAIC SAP And Prescribed Practice [Text Block]
Reconciliation Of NAIC SAP And Prescribed Practice [Text Block]
Table that provides a reconciliation of certain subsidiaries National Association of Insurance Commissioners stautory accounting practices (NAIC SAP) and practices prescribed by state of domicile.
Collateral Received Fixed Maturity Securities [Member]
Collateral Received Fixed Maturity Securities [Member]
-- None. No documentation exists for this element. --
Payments to Acquire Short-Term Investments
Payments to Acquire Short-Term Investments
Short-Duration Insurance Contract, Accident Year 2019 [Member]
Short-Duration Insurance Contract, Accident Year 2019 [Member]
Reportable Segment, Aggregation before Other Operating Segment
Reportable Segment, Aggregation before Other Operating Segment [Member]
Measurement Basis [Axis]
Measurement Basis [Axis]
Named Executive Officers, Footnote
Named Executive Officers, Footnote [Text Block]
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Unearned Premium
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Unearned Premium
Entity Addresses [Table]
Entity Addresses [Table]
Stock, Class of Stock [Table]
Stock, Class of Stock [Table]
Market Risk Benefit, Interest Expense
Market Risk Benefit, Interest Expense
Corporate Joint Venture
Corporate Joint Venture [Member]
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax
Liability for Future Policy Benefit, Expected Net Premium, Interest Income
Liability for Future Policy Benefit, Expected Net Premium, Interest Income
Current Income Tax Expense (Benefit)
Current Income Tax Expense (Benefit)
Debt Issuance Cost
Debt Issuance Cost
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net
Consolidation and Basis of Presentation
Consolidation, Policy [Policy Text Block]
Year Of Origination 2023
Year Of Origination 2023 [Member]
Year Of Origination 2023
RGA Reinsurance Max Dividend Payments Without Approval
RGA Reinsurance Max Dividend Payments Without Approval
Maximum dividends RGA Reinsurance could pay without prior approval.
Cash and Cash Equivalents
Cash and Cash Equivalents, Policy [Policy Text Block]
Total Reinsurance Group of America, Inc. shareholders’ equity
Total stockholders equity
Equity, Attributable to Parent
Measurement Frequency [Axis]
Measurement Frequency [Axis]
Schedule of Available-for-sale Securities [Table]
Debt Securities, Available-for-Sale [Table]
Insider Trading Policies and Procedures [Line Items]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Withdrawals on investment-type policies and contracts
Repayments of Annuities and Investment Certificates
Unrealized Gains Losses On Available For Sale Securities [Member]
Unrealized Gains Losses On Available For Sale Securities [Member]
-- None. No documentation exists for this element. --
State and Local Jurisdiction
State and Local Jurisdiction [Member]
Funds withheld at interest
Funds Held under Reinsurance Agreements, Asset
Cover [Abstract]
Cover [Abstract]
Cash and Cash Equivalents, Fair Value Disclosure
Cash and Cash Equivalents, Fair Value Disclosure
Portion at Fair Value Measurement [Member]
Portion at Fair Value Measurement [Member]
Real Estate Owned, Transfer to Real Estate Owned
Real Estate Owned, Transfer to Real Estate Owned
Maximum [Member]
Maximum [Member]
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate [Domain]
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate [Domain]
Finite-Lived Intangible Asset, Useful Life
Finite-Lived Intangible Asset, Useful Life
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax
Unrecognized Tax Benefits, Interest on Income Taxes Accrued
Unrecognized Tax Benefits, Interest on Income Taxes Accrued
Debt Securities, Available-for-sale, Unrealized Loss Position
Debt Securities, Available-for-Sale, Unrealized Loss Position
Debt Securities, Available-for-sale, Allocated and Single Maturity Date, Maturity, after 10 Years, Amortized Cost
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10
Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss)
Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss)
Concentration Risk Disclosure [Text Block]
Concentration Risk Disclosure [Text Block]
Flexible Stock Plan [Member]
Flexible Stock Plan [Member]
-- None. No documentation exists for this element. --
Long And Short Term Debt
Debt, Long-Term and Short-Term, Combined Amount
External Credit Rating, Standard & Poor's [Domain]
External Credit Rating, Standard & Poor's [Domain]
Other Assets
Other Assets [Member]
Non-Rule 10b5-1 Arrangement Terminated
Non-Rule 10b5-1 Arrangement Terminated [Flag]
Net deposits in funds withheld at interest
Deposits In (Withdrawals From) Funds Withheld At Interest
Deposits In (Withdrawals From) Funds Withheld At Interest
Entity Shell Company
Entity Shell Company
Schedule of Long-term Debt Instruments [Table]
Schedule of Long-Term Debt Instruments [Table]
Liability for Future Policy Benefit, after Reinsurance
Liability for Future Policy Benefit, after Reinsurance
Statement Of Stockholders Equity
Statement of Stockholders' Equity [Abstract]
Net Investment in Lease, Allowance for Credit Loss
Net Investment in Lease, Allowance for Credit Loss [Table Text Block]
Supplementary Insurance Information Market Risk Benefits Remeasurement Gains Losses
Supplementary Insurance Information Market Risk Benefits Remeasurement Gains Losses
Supplementary Insurance Information Market Risk Benefits Remeasurement Gains Losses
Comprehensive income attributable to noncontrolling interest
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest
Line of Credit Facility [Table]
Line of Credit Facility [Table]
Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Axis]
Exercise Price Range [Axis]
Deferred Policy Acquisition Cost [Line Items]
Deferred Policy Acquisition Cost [Line Items]
Document Fiscal Period Focus
Document Fiscal Period Focus
Liability for Future Policy Benefit, Expected Future Policy Benefit, Period Increase (Decrease)
Liability for Future Policy Benefit, Expected Future Policy Benefit, Period Increase (Decrease)
Derivatives, Fair Value [Line Items]
Derivatives, Fair Value [Line Items]
Award Type [Axis]
Award Type [Axis]
Policyholder Account Balance After Reinsurance
Policyholder Account Balance After Reinsurance
Policyholder Account Balance After Reinsurance
Longevity Swap [Member]
Longevity Swap [Member]
The Company enters into longevity swaps in the form of out-of-the-money options, which provide protection against changes in mortality improvement to retirement plans and insurers of such plans. With a longevity swap transaction, the Company agrees with another party to exchange a proportion of a notional value, determined by the difference between a predefined and realized plus future expected benefit amount calculated by reference to a population index, for a fixed premium.
Total Return Swap [Member]
Total Return Swap [Member]
Operating Loss Carryforwards [Table]
Operating Loss Carryforwards [Table]
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent
Entity Address, City or Town
Entity Address, City or Town
Change In Net Unrealized Appreciation Depreciation [Member]
Change In Net Unrealized Appreciation Depreciation [Member]
Change In Net Unrealized Appreciation Depreciation
Class of Financing Receivable [Axis]
Class of Financing Receivable [Axis]
Short-duration Insurance Contracts, Liability for Unpaid Claims and Claim Adjustment Expense, Other Reconciling Item
Short-Duration Insurance Contracts, Liability for Unpaid Claims and Claim Adjustment Expense, Other Reconciling Item
Statement of Income Location, Balance [Domain]
Statement of Income Location, Balance [Domain]
Compensation Actually Paid vs. Other Measure
Compensation Actually Paid vs. Other Measure [Text Block]
Entity Emerging Growth Company
Entity Emerging Growth Company
Impairment Losses On Debt Securities Available for Sale
Impairment Losses On Debt Securities Available for Sale
Impairment Losses On Debt Securities Available for Sale
Short-duration Insurance Contracts, Historical Claims Duration, Year Three
Short-Duration Insurance Contracts, Historical Claims Duration, Year Three
Condensed Financial Information of The Registrant
Condensed Financial Information of Parent Company Only Disclosure [Text Block]
Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year
Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member]
AOCI, Market Risk Benefit, Instrument-Specific Credit Risk, Parent
AOCI, Market Risk Benefit, Instrument-Specific Credit Risk, Parent [Member]
Other Notes Payable
Other Notes Payable
Deferred Tax Liabilities, Tax Deferred Income
Deferred Tax Liabilities, Tax Deferred Income
Deferred Tax Liabilities, Tax Deferred Income
Share-based Payment Arrangement, Option, Exercise Price Range [Table]
Share-Based Payment Arrangement, Option, Exercise Price Range [Table]
Insurance Claims
Insurance Claims [Member]
Interest Rate Swaption
Interest Rate Swaption [Member]
Proceeds from Issuance of Senior Long-term Debt
Proceeds from Issuance of Senior Long-Term Debt
Short-duration Insurance Contracts, Accident Year 2013 [Member]
Short-Duration Insurance Contracts, Accident Year 2013 [Member]
Other Assets
Intangible Assets, Finite-Lived, Policy [Policy Text Block]
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Proceeds from Issuance or Sale of Equity
Proceeds from Issuance or Sale of Equity
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Restatement Determination Date
Restatement Determination Date
Greater than 80%
Mortgage Loans By Credit Quality Indicator Range Four [Member]
Mortgage loans with a loan-to-value ratio of greater than 80%.
Other assets
Other Assets
Fair Value, Asset Value, Beginning of period
Fair Value, Asset Value, End of period
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value
Credit Rating, Standard & Poor's [Axis]
Credit Rating, Standard & Poor's [Axis]
Interest credited
Indexed annuity products
Policyholder Account Balance, Interest Expense
Derivative Asset
Derivative Asset Statement Of Financial Position Extensible Enumeration Not Disclosed Flag
Derivative Asset Statement Of Financial Position Extensible Enumeration Not Disclosed Flag
Designated as Hedging Instrument [Member]
Designated as Hedging Instrument [Member]
Fair Value Hierarchy and NAV [Axis]
Defined Benefit Plan, Fair Value of Plan Assets by Measurement [Axis]
Fair Value Hierarchy and NAV [Axis]
Hedging Relationship [Axis]
Hedging Relationship [Axis]
No Expiration And No Valuation Allowance [Member]
No Expiration And No Valuation Allowance [Member]
No Expiration And No Valuation Allowance [Member]
AOCI, Debt Securities, Available-for-Sale, Adjustment, after Tax
AOCI, Debt Securities, Available-for-Sale, Adjustment, after Tax
Mortgage Loans On Real Estate Due After Five Years [Member]
Mortgage Loans On Real Estate Due After Five Years [Member]
Reinsurance Retention Excess Retention Amount Reinsured Per Life Update
Reinsurance Retention Excess Retention Amount Reinsured Per Life Update
Reinsurance Retention Excess Retention Amount Reinsured Per Life Update Amount effective as of January 1, 2025.
Deferred Policy Acquisition Costs
Deferred Policy Acquisition Costs [Text Block]
Other Nonoperating Income
Other Nonoperating Income
Equity Awards Adjustments, Footnote
Equity Awards Adjustments, Footnote [Text Block]
Commitment Period Two Thousand Thirty Five [Member]
Commitment Period Two Thousand Thirty Five [Member]
Commitment Period Two Thousand Thirty Five [Member]
Class of Treasury Stock [Table]
Class of Treasury Stock [Table]
Deferred Tax Liabilities [Abstract]
Deferred Tax Liabilities, Gross [Abstract]
Investment Narrative [Table]
Investment Narrative [Table]
Other reinsurance balances
Reinsurance Payable
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance
Class Of Securities [Domain]
Class Of Securities [Domain]
Derivative Liability
Derivative Liability Statement Of Financial Position Extensible Enumeration Not Disclosed Flag
Derivative Liability Statement Of Financial Position Extensible Enumeration Not Disclosed Flag
Net cash provided by operating activities
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation
Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Liability
Fair Value Disclosure, off-Balance-Sheet Risks, Face Amount, Liability
Sales of fixed maturity securities available-for-sale
Proceeds from Sale of Debt Securities, Available-for-Sale
Other Investments [Abstract]
Other Investments [Abstract]
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Equity Valuation Assumption Difference, Footnote
Equity Valuation Assumption Difference, Footnote [Text Block]
Proceeds from Sale of Short-Term Investments
Proceeds from Sale of Short-Term Investments
Long-term Debt, Type [Axis]
Long-Term Debt, Type [Axis]
Equity Components [Axis]
Equity Components [Axis]
Stock Based Compensation Shares
Stock Based Compensation Shares
This item represents net shares issued from treasury pursuant to the Company's stock-based compensation program.
Non-Rule 10b5-1 Arrangement Adopted
Non-Rule 10b5-1 Arrangement Adopted [Flag]
Policyholder Account Balance, Net Amount at Risk
Policyholder Account Balance, Net Amount at Risk
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expirations in Period
Commercial Real Estate
Commercial Real Estate [Member]
Other Non Operating Reconciling Items
Other Non Operating Reconciling Items
Other Non Operating Reconciling Items
Employee benefit plans, net of shares withheld for taxes
Stock Issued During Period, Value, Treasury Stock Reissued
Financial Asset, Period Past Due [Domain]
Financial Asset, Aging [Domain]
Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Foreign Currency Swap, Before Reclassification and Tax
Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Foreign Currency Swap, Before Reclassification and Tax
Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Foreign Currency Swap, Before Reclassification and Tax
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties, Amount
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties, Amount
Defined Contribution Plan, Cost
Defined Contribution Plan, Cost
Income Tax Jurisdiction [Domain]
Income Tax Jurisdiction [Domain]
Allowance for Loan and Lease Losses, Writeoff
Allowance For Loan And Lease Losses Writeoff Net Of Recoveries
Allowance For Loan And Lease Losses Writeoff Net Of Recoveries
Accounting Changes and Error Corrections [Abstract]
Document Annual Report
Document Annual Report
Canadian Province Of Ontario Securities [Member]
Canadian Province Of Ontario Securities [Member]
Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Amortized Cost
Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Amortized Cost
Policyholder Account Balance, Issuance
Policyholder Account Balance, Issuance
Ceded Credit Risk [Table]
Ceded Credit Risk [Table]
Forgone Recovery, Explanation of Impracticability
Forgone Recovery, Explanation of Impracticability [Text Block]
Value of Distribution Agreements and Customer Relationships Acquired
Intangible Assets Arising from Insurance Contracts Acquired in Business Combination, Policy [Policy Text Block]
Liability for Future Policy Benefits and Unpaid Claims and Claims Adjustment Expense [Abstract]
Liability for Future Policy Benefits and Unpaid Claims and Claims Adjustment Expense [Abstract]
Options Outstanding, Weighted-Average Remaining Contractual Life
Share-Based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Remaining Contractual Term
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax
Liability for Future Policy Benefit, Expected Net Premium, Derecognition
Liability for Future Policy Benefit, Expected Net Premium, Derecognition
Options, Exercisable, Intrinsic Value
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value
Net Change In Cash Collateral For Loaned Securities
Net Change In Cash Collateral For Loaned Securities
Net Change In Cash Collateral For Loaned Securities and other transactions.
Other Invested Assets [Table]
Other Invested Assets [Table]
Gain (Loss) on Sale of Derivatives
Gain (Loss) on Sale of Derivatives
Commitment Period Two Thousand Forty Nine
Commitment Period Two Thousand Forty Nine [Member]
Commitment Period 2049
Reinsurance Liabilities Table [Line Items]
Reinsurance Liabilities Table [Line Items]
Reinsurance Liabilities Table [Line Items]
RGA Global Reinsurance Company
RGA Global Reinsurance Company [Member]
RGA Global Reinsurance Company
Market Risk Benefit, Increase (Decrease) from Interest Rate Change
Market Risk Benefit, Increase (Decrease) from Interest Rate Change
Operating Loss Carryforward [Axis]
Operating Loss Carryforward [Axis]
Operating Loss Carryforward [Axis]
Limited Partnership Classification Axis [Domain]
Limited Partnership Classification Axis [Domain]
Limited Partnership Classification Axis [Domain]
Assets Held In Trust [Axis]
Assets Held In Trust [Axis]
Information pertaining to collateral requirements for reinsurance agreements.
Valuation Allowances and Reserves, Balance, Beginning Balance
Valuation Allowances and Reserves, Balance, Ending Balance
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount
Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net, Not Separately Presented
Short-Duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net, Not Separately Presented
Defined Benefit Plan, Expected Future Benefit Payments in Year Two
Defined Benefit Plan, Expected Future Benefit Payment, Year Two
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Policy Claim and Benefit Payable
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Policy Claim and Benefit Payable
Condensed Financial Statements [Table]
Condensed Financial Statements [Table]
Maximum Potential Future Exposure on Credit Risk Derivatives
Credit Derivative, Maximum Exposure, Undiscounted
Ceded Credit Risk [Line Items]
Ceded Credit Risk [Line Items]
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax
Schedule of Maturities of Long-term Debt [Table Text Block]
Schedule of Maturities of Long-Term Debt [Table Text Block]
Currency Swap [Member]
Currency Swap [Member]
Mutual Funds [Member]
Mutual Funds [Member]
Consists of bond index funds and stock funds.
Financing Receivable Credit Quality Indicators [Table Text Block]
Financing Receivable Credit Quality Indicators [Table Text Block]
Liability for Unpaid Claims and Claims Adjustment Expense, Incurred Claims
Liability for Unpaid Claims and Claims Adjustment Expense, Incurred Claims
Claims Recoverable From Retrocessionaires Past Due
Claims Recoverable From Retrocessionaires Past Due
Represents the amount of claims paid by the company and recoverable from retrocessionaires which is contractually past due in excess of 90 days.
Fair Value, Liability Value, Beginning of period
Fair Value, Liability Value, End of period
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value
Real Estate Held For Sale Transferred To Held For Use
Real Estate Held For Sale Transferred To Held For Use
Real Estate Held For Sale Transferred To Held For Use
Comprehensive income
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Defined Benefit Plan [Table]
Defined Benefit Plan [Table]
Commitment Period Two Thousand Thirty Six [Member]
Commitment Period Two Thousand Thirty Six [Member]
Commitment Period Two Thousand Thirty Six [Member]
PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member
PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member [Member]
Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 0.100 To 0.199 Member
Office Building [Member]
Office Building [Member]
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]
Net Liability For Future Policy Benefits At Original Discount Rate
Net Liability For Future Policy Benefits At Original Discount Rate
Net Liability For Future Policy Benefits At Original Discount Rate
Entity filer category
Entity Filer Category
Canada Traditional Segment
Canada Traditional Segment [Member]
Canada Traditional Segment
Defined Benefit Plan, Benefits Paid (Deprecated 2017-01-31)
Defined Benefit Plan, Benefit Obligation, Benefits Paid
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Corporate Secturities by Investment Sector And Credit Rating [Line Items]
Corporate Secturities by Investment Sector And Credit Rating [Line Items]
Derivatives Non Hedging Instruments [Axis]
Derivatives Non Hedging Instruments [Axis]
Consumer Price Index Swap [Member]
Consumer Price Index Swap [Member]
Consumer Price Index Swaps
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Amortization of Deferred Policy Acquisition Cost
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Amortization of Deferred Policy Acquisition Cost
Defined Benefit Plan, Assumptions Used in Calculations [Abstract]
Defined Benefit Plan, Assumptions Used in Calculations [Abstract]
Deferred Tax Assets, Net [Abstract]
Deferred Tax Assets, Net [Abstract]
Total benefits and expenses
Total benefits and expenses
Benefits, Losses and Expenses
Entity Address, Address Line One
Entity Address, Address Line One
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties, Cost
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties, Cost
Accumulated Other Comprehensive Income Member
AOCI Attributable to Parent [Member]
Year of Origination [Axis]
Year of Origination [Axis]
Year of Origination [Axis]
Investments [Domain]
Investments [Domain]
Reinsurance Recoverable for Unpaid Claims and Claims Adjustments
Reinsurance Recoverable for Unpaid Claims and Claims Adjustments, Beginning Balance
Reinsurance Recoverable for Unpaid Claims and Claims Adjustments, Ending Balance
Reinsurance Recoverable for Unpaid Claims and Claims Adjustments
Unrecognized Tax Benefits, Period Increase (Decrease)
Unrecognized Tax Benefits, Period Increase (Decrease)
Subordinated Debentures Due 2055
Subordinated Debentures Due 2055 [Member]
Subordinated Debentures Due 2055, $700 million 6.65% Fixed-Rate Subordinated Debentures
Hedged Liability, Fair Value Hedge
Fair Value Hedge Liabilities
Internal Credit Assessment [Domain]
Internal Credit Assessment [Domain]
Exercise Price Range, Lower Range Limit
Share-Based Payment Arrangement, Option, Exercise Price Range, Lower Range Limit
Schedule of Stock by Class [Table Text Block]
Schedule of Stock by Class [Table Text Block]
RGA Americas [Member]
RGA Americas [Member]
This category includes information related to the statutory financial statements for RGA Americas Reinsurance Company, Ltd.
Credit Default Types [Axis]
Credit Default Types [Axis]
-- None. No documentation exists for this element. --
Other Liabilities
Other Liabilities [Member]
Operating Loss Carryforwards
Operating Loss Carryforwards
High Investment Grade
High Investment Grade [Member]
High Investment Grade Internal Credit Quality Grade
Schedule of Long-term Debt Instruments [Table Text Block]
Schedule of Long-Term Debt Instruments [Table Text Block]
RZB [Member]
RZB [Member]
Reinsurance Group of America Fixed to Floating Subordinated Debentures Ticker RZB
AOCI, Market Risk Benefit, Instrument-Specific Credit Risk, after Tax
AOCI, Market Risk Benefit, Instrument-Specific Credit Risk, after Tax
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount
Market Risk Benefit [Line Items]
Market Risk Benefit [Line Items]
Non-cash deposits on reinsurance
Other Significant Noncash Transaction, Value of Consideration Received
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
Short-Duration Insurance Contract, Accident Year 2021
Short-Duration Insurance Contract, Accident Year 2021 [Member]
Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) for Other Change
Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) for Other Change
SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis]
SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis]
Title
Trading Arrangement, Individual Title
Peer Group Total Shareholder Return Amount
Peer Group Total Shareholder Return Amount
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Short-Duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Interest and Debt Expense
Interest and Debt Expense
Premiums receivable and other reinsurance balances
Premiums and Other Receivables, Net
Purchases Of Subsidiary Debt Securities
Purchases Of Subsidiary Debt Securities
Purchases of subsidiary debt securities
Measurement Input, Counterparty Credit Risk [Member]
Measurement Input, Counterparty Credit Risk [Member]
Securities or Other Assets Sold under Agreements to Repurchase [Axis]
Securities or Other Assets Sold under Agreements to Repurchase [Axis]
Equity In Undistributed Earnings Of Subsidiaries
Equity In Undistributed Earnings Of Subsidiaries
Equity in the undistributed earnings of subsidiaries.
Payments for (Proceeds from) Short-term Investments
Payments for (Proceeds from) Short-Term Investments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Future Policy Benefits Unearned Revenue Liability
Future Policy Benefits Unearned Revenue Liability
Future Policy Benefits Unearned Revenue Liability
Maturity Overnight [Member]
Maturity Overnight [Member]
Offsetting Assets [Table Text Block]
Offsetting Assets [Table Text Block]
Award Type [Domain]
Award Type [Domain]
Stockholders' Equity Attributable to Noncontrolling Interest
Equity, Attributable to Noncontrolling Interest
Equity Awards Adjustments
Equity Awards Adjustments [Member]
Pension Benefits Adjustments, Footnote
Pension Benefits Adjustments, Footnote [Text Block]
Other revenues
Other revenues
Other Income
CANADA
CANADA
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Subsegments [Domain]
Subsegments [Domain]
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
Total Deferred Income Tax Liabilities
Total Deferred Income Tax Liabilities
Amount of deferred tax liability attributable to taxable temporary differences.
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent
Schedule of Liability for Unpaid Claims and Claims Adjustment Expense [Table Text Block]
Schedule of Liability for Unpaid Claims and Claims Adjustment Expense [Table Text Block]
Foreign Exchange Contract
Foreign Exchange Contract [Member]
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Amortized Cost Basis
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net
Short-Duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net
Foreign Government Debt [Member]
Foreign Government Debt [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due [Line Items]
Liability for Future Policy Benefit, Activity
Liability for Future Policy Benefit, Activity [Table Text Block]
Accumulated other comprehensive income (loss)
Balance, beginning of year
Balance, end of year
Accumulated Other Comprehensive Income (Loss), Net of Tax
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months
Long-Term Debt, Maturity, Year One
Net unrealized investment gains (losses)
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax
$90.00 plus [Member]
Range Of Exercise Prices 5 [Member]
Represents a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases
Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Performance Shares [Member]
Performance Shares [Member]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Minimum [Member]
Minimum [Member]
Partnership Interest [Member]
Partnership Interest [Member]
Real Estate Investments, Joint Ventures
Real Estate Investments, Joint Ventures
Company Selected Measure Name
Company Selected Measure Name
US Government Debt Securities
US Government Debt Securities [Member]
Investments In Subsidiary
Investments In Subsidiary
Investments in Subsidiaries
Commitment Period Two Thousand Thirty Eight [Member]
Commitment Period Two Thousand Thirty Eight [Member]
Commitment Period Two Thousand Thirty Eight [Member]
Commitment Period Two Thousand Thirty Nine [Member]
Commitment Period Two Thousand Thirty Nine [Member]
Commitment Period 2039 [Member]
Income (loss) before income tax and undistributed earnings of subsidiaries
Income Loss From Continuing Operations Before Income Taxes And Undistributed Earnings Of Subsidiaries
Income (loss) from continuing operations before income taxes and undistributed earnings of subsidiaries.
Short-duration Insurance Contracts, Accident Year 2018 [Member]
Short-Duration Insurance Contracts, Accident Year 2018 [Member]
Stock Appreciation Rights (SARs)
Stock Appreciation Rights (SARs) [Member]
RGA Worldwide Reinsurance Company
RGA Worldwide Reinsurance Company [Member]
RGA Worldwide Reinsurance Company
Short-duration Insurance Contracts, Historical Claims Duration, Year One
Short-Duration Insurance Contracts, Historical Claims Duration, Year One
Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Foreign Currency Swap Tax
Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Foreign Currency Swap Tax
Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Foreign Currency Swap, Tax
AOCI, Liability for Future Policy Benefit, Parent
AOCI, Liability for Future Policy Benefit, Parent [Member]
Asset Sold under Agreement to Repurchase [Table]
Asset Sold under Agreement to Repurchase [Table]
Tax Period [Axis]
Tax Period [Axis]
Current Foreign Tax Expense (Benefit)
Current Foreign Tax Expense (Benefit)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Tax
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Tax
Reconciliation of Assets from Segment to Consolidated [Table]
Reconciliation of Assets from Segment to Consolidated [Table]
Liability for Future Policy Benefit, Activity [Line Items]
Liability for Future Policy Benefit, Activity [Line Items]
Income Tax Disclosure [Abstract]
Income Tax Disclosure [Abstract]
Other operating expenses
Other Cost and Expense, Operating
Current State and Local Tax Expense (Benefit)
Current State and Local Tax Expense (Benefit)
Document Transition Report
Document Transition Report
Debt Related Commitment Fees and Debt Issuance Costs
Debt Related Commitment Fees and Debt Issuance Costs
Underlying Securities
Award Underlying Securities Amount
Available-for-sale Securities, Gross Realized Gains
Debt Securities, Available-for-Sale, Realized Gain
Fair Value Measured On Recurring Basis Funds Held Under Reinsurance Agreements Asset Embedded Derivatives
Fair Value Measured On Recurring Basis Funds Held Under Reinsurance Agreements Asset Embedded Derivatives
Embedded derivatives related to funds held by the ceding insurer on behalf the reinsurer, including funds held in trust, under reinsurance treaties or contracts with the assuming insurer as security for the payment of the obligations thereunder, which represent an asset for the reinsurer. There is another concept for the corresponding liability of the ceding insurer.
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Percentage
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Percentage
Equity Component [Domain]
Equity Component [Domain]
Collateral Arrangements With Counterparties
Collateral Arrangements With Counterparties [Table Text Block]
Collateral Arrangements With Counterparties. Includes invested assets on deposit, invested assets pledged and received as collateral, assets held in trust held to satisfy collateral requirements and FHLB common stock restricted as to sale.
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change
Income Tax
Income Tax Disclosure [Text Block]
Geographic Distribution [Domain]
Geographic Distribution [Domain]
UNITED KINGDOM
UNITED KINGDOM
Awards Close in Time to MNPI Disclosures, Table
Awards Close in Time to MNPI Disclosures [Table Text Block]
Deferred Policy Acquisition Costs
Deferred Policy Acquisition Costs, Policy [Policy Text Block]
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 [Member]
Valuation, Income Approach [Member]
Valuation, Income Approach [Member]
Policy Loans [Member]
Policy Loans [Member]
Financing Receivable, Troubled Debt Restructuring
Financing Receivable, Modified, Accumulated
Future policy benefits, other policy claims and benefits and other reinsurance balances
Increase (Decrease) in Other Policyholder Funds
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Document type
Document Type
Fair Value, Inputs, Level 3 [Member]
Fair Value, Inputs, Level 3 [Member]
Average Investment Grade
Average Investment Grade [Member]
Average Investment Grade Internal Credit Quality Grade
Major Categories Of Investments [Axis]
Major Categories Of Investments [Axis]
Effective Income Tax Rate Reconciliation Pillar II
Effective Income Tax Rate Reconciliation Pillar II
Effective Income Tax Rate Reconciliation, amount attributable to Pillar II.
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Line Items]
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Line Items]
Real Estate Investments, Unconsolidated Real Estate and Other Joint Ventures
Real Estate Investments, Unconsolidated Real Estate and Other Joint Ventures
Finite-lived Intangible Assets Acquired
Finite-Lived Intangible Assets Acquired
Payments to Acquire Notes Receivable
Payments to Acquire Notes Receivable
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage
Subsidiary Committed Facility
Subsidiary Committed Facility
Subsidiary Committed Facility, $200 million facility to provide contingent capital to other Company subsidiaries.
Derivative Fair Value Of Free Standing Derivative Asset
Derivative Fair Value Of Free Standing Derivative Asset
Fair value of free standing derivative asset, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position. Excludes embedded derivatives.
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change
Federal Home Loan Bank, Advance, Branch of FHLBank, Amount
Federal Home Loan Bank, Advance, Branch of FHLBank, Amount
Deferred Income Taxes and Other Assets, Current
Deferred Income Taxes and Other Assets, Current
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement Input, Lapse Rate [Member]
Measurement Input, Lapse Rate [Member]
Aggregate Erroneous Compensation Amount
Aggregate Erroneous Compensation Amount
Schedule of Other Assets [Table Text Block]
Schedule of Other Assets [Table Text Block]
Debt-to-Value [Axis]
Debt-to-Value [Axis]
Peer Group Issuers, Footnote
Peer Group Issuers, Footnote [Text Block]
AOCI, Market Risk Benefit, Instrument-Specific Credit Risk, before Tax
AOCI, Market Risk Benefit, Instrument-Specific Credit Risk, before Tax
Entity Information [Line Items]
Entity Information [Line Items]
Share Repurchase Program [Domain]
Share Repurchase Program [Domain]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract]
Summary of Investments Other Than Investments in Related Parties
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Text Block]
Guarantor Obligations, Nature [Domain]
Guarantor Obligations, Nature [Domain]
Additional Liability, Long-Duration Insurance, before Reinsurance, after Discount Rate Change
Additional Liability, Long-Duration Insurance, before Reinsurance, after Discount Rate Change
Investment Related Gains Losses [Member]
Investment Related Gains Losses [Member]
Deferred Tax Liabilities, Deferred Expense, Deferred Policy Acquisition Cost
Deferred Tax Liabilities, Deferred Expense, Deferred Policy Acquisition Cost
Non-cash investing activities:
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10
Accumulated Other Comprehensive Income Loss Net Of Tax [Roll Forward]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Defined Benefit Plan, Assumptions [Table Text Block]
Defined Benefit Plan, Assumptions [Table Text Block]
Policyholder Account Balance [Table]
Policyholder Account Balance [Table]
Reinsurance Accounting Policy
Reinsurance Accounting Policy [Policy Text Block]
Allowances for Loan and Lease Losses, Real Estate
Allowance for Loan and Lease Losses, Real Estate
Balance beginning
Balance ending
Allowance for Loan and Lease Losses, Real Estate
Consolidation Items [Domain]
Consolidation Items [Domain]
Other Invested Assets [Axis]
Other Invested Assets [Axis]
Auditor Location
Auditor Location
Market Risk Benefits
Market Risk Benefits [Text Block]
Market Risk Benefits
Ceded Credit Risk, Reinsurer [Axis]
Reinsurer, Name [Axis]
Short-duration Insurance Contracts, Claims Development [Table Text Block]
Short-Duration Insurance Contracts, Claims Development [Table Text Block]
Year of Origination 2021
Year Of Origination 2021 [Member]
Year Of Origination 2021
Reinsurance ceded receivables and other
Reinsurance Recoverables, Including Reinsurance Premium Paid
Increase Decrease Impact Of Updating Discount Rate Recognized In OCI
Increase Decrease Impact Of Updating Discount Rate Recognized In OCI
Increase Decrease Impact Of Updating Discount Rate Recognized In OCI
Defined Benefit Plan, Contributions by Plan Participants (Deprecated 2017-01-31)
Defined Benefit Plan, Benefit Obligation, Contributions by Plan Participant
Share Repurchase Program [Member]
Share Repurchase Program [Member]
Shares and Amounts purchased under RGA's current Share Repurchase Program [Member]
Liability for Future Policy Benefit, Expected Future Gross Premium, Undiscounted, before Reinsurance
Liability for Future Policy Benefit, Expected Future Gross Premium, Undiscounted, before Reinsurance
Income taxes paid, net of refunds
Income Taxes Paid, Net
Insurance, Other [Member]
Insurance, Other [Member]
Long-term Debt, Gross
Long-Term Debt, Gross
Funds Withheld At Interest Embedded Derivatives [Member]
Funds Withheld At Interest Embedded Derivatives [Member]
This category includes information about funds withheld at interest - embedded derivatives.
Entity well known seasoned issuer
Entity Well-known Seasoned Issuer
Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, after Tax
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax
Schedule of Fair Value, Off-balance Sheet Risks [Table]
Fair Value, off-Balance-Sheet Risk [Table]
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax
Stockholders Equity:
Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Investment Income (Expense)
Investment Income (Expense) [Member]
Policyholder Account Balance, Benefit Payment
Policyholder Account Balance, Benefit Payment
Fair Value And Investments In Debt And Equity Securities Disclosures [Table Text Block]
Fair Value And Investments In Debt And Equity Securities Disclosures [Table Text Block]
Fair value of fixed maturity and equity securities with related unrelized losses by duration..
Compensation Actually Paid vs. Net Income
Compensation Actually Paid vs. Net Income [Text Block]
Entity current reporting status
Entity Current Reporting Status
Derivative [Line Items]
Derivative [Line Items]
Payments for (Proceeds from) Productive Assets
Payments for (Proceeds from) Productive Assets
Awards Close in Time to MNPI Disclosures
Awards Close in Time to MNPI Disclosures [Table]
OCI, Liability for Future Policy Benefit, Gain (Loss), before Reclassification Adjustment and Tax
OCI, Liability for Future Policy Benefit, Gain (Loss), before Reclassification Adjustment and Tax
Collateral [Axis]
Collateral Held [Axis]
Consolidated Entities [Domain]
Consolidated Entities [Domain]
Financial Instrument [Axis]
Financial Instrument [Axis]
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Abstract]
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Abstract]
Foreign Exchange Forward [Member]
Foreign Exchange Forward [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]
Valuation, Market Approach [Member]
Valuation, Market Approach [Member]
Interest expense
Interest Expense, Operating and Nonoperating
Current fiscal year end date
Current Fiscal Year End Date
Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year
Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year
Non-Income Producing Securities [Member]
Non-Income Producing Securities [Member]
Non-Income Producing Securities
Deferred Tax Assets, Anticipated Future Foreign Tax Credit
Deferred Tax Assets, Anticipated Future Foreign Tax Credit
Deferred Tax Assets, Anticipated Future Foreign Tax Credit
Obligation to Return Securities Received as Collateral
Obligation to Return Securities Received as Collateral
Schedule Of Projected Benefit Obligations In Excess Of Fair Value Of Plan Assets [Table Text Block]
Schedule Of Projected Benefit Obligations In Excess Of Fair Value Of Plan Assets [Table Text Block]
Tabular disclosure of projected benefit obligations and fair values of plan assets of pension plans and/or other employee benefit plans where the projected benefit obligation exceeds the fair value of plan assets.
Derivative Liability
Derivative Liability
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax
Domestic Tax Credits With Partial Valuation Allowance Not General Business
Domestic Tax Credits With Partial Valuation Allowance Not General Business
Domestic Tax Credits With Partial Valuation Allowance more likely than not to be utilized in the normal course of business.
Reinsurance
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Text Block]
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss
Equity Securities, FV-NI
Equity Securities, FV-NI, Current
Unrecognized Tax Benefits Beginning balance, January 1
Unrecognized Tax Benefits Ending balance, December 31
Unrecognized Tax Benefits
Unrecognized Tax Benefits
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Financing Receivable, Past Due
Financing Receivable, Past Due [Table Text Block]
Other Property [Member]
Other Property [Member]
Deferred Tax Assets, Investments
Deferred Tax Assets, Investments
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Not to Sell before Recovery, Credit Loss, Previously Recorded, Expense (Reversal)
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Not to Sell before Recovery, Credit Loss, Previously Recorded, Expense (Reversal)
Net cash provided by financing activities
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation
External Credit Rating, Investment Grade [Member]
External Credit Rating, Investment Grade [Member]
Schedule of Defined Benefit Plan Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]
Schedule of Defined Benefit Plan Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]
Subsegments Consolidation Items [Axis]
Subsegments Consolidation Items [Axis]
Valuation Approach and Technique [Axis]
Valuation Approach and Technique [Axis]
Proceeds from Dividends Received
Proceeds from Dividends Received
Credit Default Swaps Referencing Indices [Member]
Credit Default Swaps Referencing Indices [Member]
-- None. No documentation exists for this element. --
Market Risk Benefit
Market Risk Benefit [Policy Text Block]
Statutory Accounting Practices, Statutory Capital and Surplus, Balance
Statutory Accounting Practices, Statutory Capital and Surplus, Balance
Pay vs Performance Disclosure, Table
Pay vs Performance [Table Text Block]
Forgone Recovery due to Violation of Home Country Law, Amount
Forgone Recovery due to Violation of Home Country Law, Amount
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
Investment Income, Investment Expense
Investment Income, Investment Expense
Investment Income, Investment Expense
Entity Tax Identification Number
Entity Tax Identification Number
Valuation Technique, Discounted Cash Flow [Member]
Valuation Technique, Discounted Cash Flow [Member]
Gain (Loss) on Derivatives [Member]
Derivative [Member]
Year Of Origination 2025
Year Of Origination 2025 [Member]
Year Of Origination 2025 Recorded Investment Real Estate Loans
Short-duration Insurance Contracts, Historical Claims Duration, Year Ten
Short-Duration Insurance Contracts, Historical Claims Duration, Year 10
Liability For Future Policy Benefits Cumulative Amount Of Fair Value Hedging Adjustments
Liability For Future Policy Benefits Cumulative Amount Of Fair Value Hedging Adjustments
Liability For Future Policy Benefits Cumulative Amount Of Fair Value Hedging Adjustments
Long-term Debt, Maturities, Repayments of Principal in Year Four
Long-Term Debt, Maturity, Year Four
Commercial Mortgage Backed Securities [Member]
Commercial Mortgage-Backed Securities [Member]
Liability For Unpaid Claims And Claims Adjustment Expense Net Of Recoverable, Beginning Balance
Liability For Unpaid Claims And Claims Adjustment Expense Net Of Recoverable, Ending Balance
Liability For Unpaid Claims And Claims Adjustment Expense Net Of Recoverable
Liability as of the balance sheet date for amounts representing estimated cost of settling unpaid claims under the terms of the underlying insurance policies, less estimated reinsurance recoveries on such claims. This includes an estimate for claims which have been incurred but not reported. Claim adjustment expenses represent the costs estimated to be incurred in the settlement of unpaid claims.
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance
Allowance for Loan and Lease Losses [Roll Forward]
Allowance for Loan and Lease Losses [Roll Forward]
Gain (Loss), Investment and Derivative, Operating, before Tax
Gain (Loss), Investment and Derivative, Operating, before Tax
Entity public float
Entity Public Float
Net Unrealized Appreciation Depreciation Of Components Of Accumulated Other Comprehensive Income [Axis]
Net Unrealized Appreciation Depreciation Of Components Of Accumulated Other Comprehensive Income [Axis]
-- None. No documentation exists for this element. --
Commitment Period Two Thousand Forty One
Commitment Period Two Thousand Forty One [Member]
Commitment Period Two Thousand Forty One
Trading Arrangement:
Trading Arrangement [Axis]
Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax
Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings
Schedule of Income Taxes Paid By Jurisdiction Table Text Block
Schedule of Income Taxes Paid By Jurisdiction Table Text Block [Table Text Block]
Schedule of Income Taxes Paid By Jurisdiction Table Text Block
Reconciliation of Revenue from Segments to Consolidated [Table Text Block]
Reconciliation of Revenue from Segments to Consolidated [Table Text Block]
Effective Income Tax Rate Reconciliation, Cross-Border, Other, Percent
Effective Income Tax Rate Reconciliation, Cross-Border, Other, Percent
Reinsurance Recoverable, Allowance for Credit Loss
Reinsurance Recoverable, Allowance for Credit Loss
$50.00 - $59.99 [Member]
Range Of Exercise Prices 2 [Member]
Represents a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater [Member]
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount
Supplementary Insurance Information
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Disclosure [Text Block]
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate
Liability For Future Policy Benefits Before Reinsurance Other Long Duration Contracts
Liability For Future Policy Benefits Before Reinsurance Other Long Duration Contracts
Liability For Future Policy Benefits Before Reinsurance Other Long Duration Contracts not already included in the rollforward.
Cost Method, Average-Cost
Cost Method, Average-Cost [Member]
Rule 10b5-1 Arrangement Adopted
Rule 10b5-1 Arrangement Adopted [Flag]
Fair Value Measurement Inputs and Valuation Techniques [Table]
Fair Value Measurement Inputs and Valuation Techniques [Table]
Interest Sensitive Contract Liabilities Embedded Derivatives [Member]
Interest Sensitive Contract Liabilities Embedded Derivatives [Member]
Change in cash and cash equivalents
Change in cash and cash equivalents
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation
Equivalent shares from outstanding stock options
Weighted Average Number of Shares Outstanding, Diluted, Adjustment
RGA Life and Annuity Insurance Company
RGA Life and Annuity Insurance Company [Member]
This category includes information related to the statutory financial statements for RGA Life and Annuity Insurance Company
Guarantor Obligations [Line Items]
Guarantor Obligations [Line Items]
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax
Short-duration Insurance Contracts, Accident Year 2016 [Member]
Short-Duration Insurance Contracts, Accident Year 2016 [Member]
Trust of Pre-Capitalized Securities
Trust of Pre-Capitalized Securities [Member]
Trust of $1.0 billion of Pre-Capitalized Securities, this is a 30 year facility agreement with a Delaware Trust who invest the proceeds from the sale of its securities in a portfolio of principal and interest strips of U.S. Treasury securities.
AOCI Components [Domain]
AOCI Components [Domain]
-- None. No documentation exists for this element. --
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment
Asset Class [Axis]
Asset Class [Axis]
Valuation Approach and Technique [Domain]
Valuation Approach and Technique [Domain]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss)
Securities Loaned
Securities Loaned
Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions
Intangible Asset, Acquired, Finite-Lived [Line Items]
Intangible Asset, Acquired, Finite-Lived [Line Items]
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax
Trading Arrangements, by Individual
Trading Arrangements, by Individual [Table]
Basic earnings per share
Earnings Per Share, Basic
Deferred Policy Acquisition Costs Disclosures [Abstract]
Deferred Policy Acquisition Costs Disclosures [Abstract]
Credit Default Option
Credit Default Option [Member]
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate
Undrawn Outstanding Letters Of Credit Between Subsidiaries
Undrawn Outstanding Letters Of Credit Between Subsidiaries
Undrawn outstanding letters of credit between subsidiaries of the Company.
Measurement Input, EBITDA Multiple [Member]
Measurement Input, EBITDA Multiple [Member]
Embedded Derivative, Loss on Embedded Derivative
Embedded Derivative, Loss on Embedded Derivative
Policyholder Account Balance [Line Items]
Policyholder Account Balance [Line Items]
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss)
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss)
Fair Value Assets Measured On Nonrecurring Basis [Text Block]
Fair Value Measurements, Nonrecurring [Table Text Block]
Policyholder Account Balance, Policy Charge
Policyholder Account Balance, Policy Charge
Extinguishment of Debt, Type [Domain]
Extinguishment of Debt, Type [Domain]
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) [Line Items]
Segment Reporting, Asset Reconciling Item [Line Items]
Segment Reporting, Asset Reconciling Item [Line Items]
Hedging Designation [Domain]
Hedging Designation [Domain]
Tax Period [Domain]
Tax Period [Domain]
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Intangible Assets Disclosure [Abstract]
Extinguishment of Debt [Axis]
Extinguishment of Debt [Axis]
Forfeited
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period
Foreign Currency Translation
Foreign Currency Transactions and Translations Policy [Policy Text Block]
Deferred policy acquisition costs and other
Deferred Policy Acquisition Cost
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Axis]
Flexible Stock Plan For Directors [Member]
Flexible Stock Plan For Directors [Member]
-- None. No documentation exists for this element. --
Forward Contracts [Member]
Forward Contracts [Member]
Concentration Risk Type [Domain]
Concentration Risk Type [Domain]
Subordinated Debentures Due 2052
Subordinated Debentures Due 2052 [Member]
Subordinated Debentures Due 2052
Treasury Stock, Common
Treasury Stock, Common [Member]
US Government Agencies Debt Securities [Member]
US Government Agencies Debt Securities [Member]
Financial Asset, Equal to or Greater than 90 Days Past Due
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Effects of Reinsurance [Table]
Effects of Reinsurance [Table]
Other Comprehensive Income (Loss), Foreign Currency Translation Gain (Loss) Arising During Period, Tax
OCI, Foreign Currency Transaction and Translation Gain (Loss), Arising During Period, Tax
Exercise Price Range, Upper Range Limit
Share-Based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit
Line of Credit Facility, Description
Line of Credit Facility, Description
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]
Short-Duration Insurance Contracts, Historical Claims Duration [Line Items]
Debt Instrument, Redemption, Period [Domain]
Debt Instrument, Redemption, Period [Domain]
CONSOLIDATED STATEMENTS OF CASH FLOWS
Statement of Cash Flows [Abstract]
Company Selected Measure Amount
Company Selected Measure Amount
Measurement Input Type [Axis]
Measurement Input Type [Axis]
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One
Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale
Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale
Retirement Plan Tax Status [Domain]
Retirement Plan Tax Status [Domain]
Future [Member]
Future [Member]
RGA Atlantic [Member]
RGA Atlantic [Member]
This category includes information related to the statutory financial statements for RGA Atlantic Reinsurance Company, Ltd.
Legal Entity [Axis]
Legal Entity [Axis]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Credit Quality Indicator [Line Items]
Year of Origination [Domain]
Year of Origination [Domain]
Year of Origination
External Credit Rating by Grouping [Domain]
Credit Rating [Domain]
External Credit Rating by Grouping [Domain]
Interest On Liability For Policy And Contract Claims
Interest On Liability For Policy And Contract Claims
Interest incurred on the liability for policy and contract claims during the period.
Concentration Risk Type [Axis]
Concentration Risk Type [Axis]
Assets, Fair Value Disclosure [Abstract]
Assets, Fair Value Disclosure [Abstract]
Common Stock, Dividends, Per Share, Declared
Common Stock, Dividends, Per Share, Declared
Other invested assets
Other invested assets
Other Investments
Transfer of invested assets
Transfer to Investments
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale [Line Items]
Fair Value, Inputs, Level 2 [Member]
Fair Value, Inputs, Level 2 [Member]
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]
Insider Trading Policies and Procedures Not Adopted
Insider Trading Policies and Procedures Not Adopted [Text Block]
Equity Method Investments
Equity Method Investments [Member]
Surplus Deficit NAIC SAP
Surplus Deficit NAIC SAP
Represents the amount of surplus or surplus deficit under NAIC SAP of certain subsidiaries with a state of domicile that follows prescribed practices.
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Public Utility, Bonds [Member]
Public Utility, Bonds [Member]
Residential Mortgage
Residential Mortgage [Member]
Line of Credit Facility, Initiation Date
Line of Credit Facility, Initiation Date
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
Short-duration Insurance Contracts, Historical Claims Duration, Year Six
Short-Duration Insurance Contracts, Historical Claims Duration, Year Six
Change in operating assets and liabilities:
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract]
Deferred Policy Acquisition Cost, Foreign Currency Translation Adjustment
Deferred Policy Acquisition Costs, Foreign Currency Translation Gain (Loss)
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount
Unrealized Gain Loss Reclass [Axis]
Unrealized Gain Loss Reclass [Axis]
-- None. No documentation exists for this element. --
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Prior Service Costs (Credit) Arising During Period, Net of Tax
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Tax
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid
Income Tax Jurisdiction [Axis]
Income Tax Jurisdiction [Axis]
Schedule of Quarterly Financial Information [Table Text Block]
Quarterly Financial Information [Table Text Block]
Share-based Payment Arrangement [Abstract]
Share-Based Payment Arrangement [Abstract]
CONSOLIDATED STATEMENTS OF INCOME
Income Statement [Abstract]
Long-term debt - affiliated
Longterm Debt Issued To Subsidiaries
Represents the aggregate long-term debt issued to subsidiaries.
Taxes Payable, Current
Taxes Payable, Current
Product and Service [Domain]
Product and Service [Domain]
Utility Industry [Member]
Utility Industry [Member]
Net investment income
Investment income, net of related expenses
Net Investment Income
Notional Amount of Derivatives
Derivative, Notional Amount
Surplus Note Due 2051
Surplus Note Due 2051 [Member]
Surplus Note Due 2051
Reinsurance Recoverable for Paid Claims and Claims Adjustments
Reinsurance Recoverable for Paid Claims and Claims Adjustments
Mortgage Loans on Real Estate [Member]
Mortgages [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements
Measurement Input, Withdrawal Rate [Member]
Measurement Input, Withdrawal Rate [Member]
Line of Credit Facility, Capacity Available for Specific Purpose Other than for Trade Purchases
Line of Credit Facility, Capacity Available for Specific Purpose Other than for Trade Purchases
Counterparty Credit Derivative Exposure
Counterparty Credit Derivative Exposure
Counterparty Credit Derivative Exposure
Pay vs Performance Disclosure
Pay vs Performance Disclosure [Table]
Reinsurance, Excess Retention, Amount Reinsured, Per Life
Reinsurance, Excess Retention, Amount Reinsured, Per Life
Defined Benefit Plan, Amortization of Gain (Loss)
Defined Benefit Plan, Amortization of Gain (Loss)
Cash Flow Hedging [Member]
Cash Flow Hedging [Member]
Other liabilities
Other Liabilities
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Current Year
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Current Year
Investment related (losses), net
Investment related losses, net
Total investment related gains (losses), net
Gain (Loss) on Investments
Deferred Federal Income Tax Expense (Benefit)
Deferred Federal Income Tax Expense (Benefit)
Liability For Future Policy Benefit Expected Future Policy Benefit Discounted Before Reinsurance
Liability For Future Policy Benefit Expected Future Policy Benefit Discounted Before Reinsurance
Liability For Future Policy Benefit Expected Future Policy Benefit Discounted Before Reinsurance
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, Tax
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, Tax
Auditor Name
Auditor Name
Funds Withheld At Interest [Member]
Funds Withheld At Interest [Member]
Investments under the control of the cedant which are reflected on the balance sheet of the reinsurer.
Gains (Losses) on Sales of Investment Real Estate
Gains (Losses) on Sales of Investment Real Estate
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax
Summary of Operating Loss Carryforwards [Table Text Block]
Summary of Operating Loss Carryforwards [Table Text Block]
Available for Sale at Fair value - Amortized cost
Debt Securities, Available-for-Sale, Amortized Cost
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax
US Treasury and Government [Member]
US Treasury and Government [Member]
Proceeds from Sale and Collection of Mortgage Notes Receivable
Proceeds from Sale and Collection of Mortgage Notes Receivable
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]
Gain (Loss) on Sale of Equity Investments
Equity Securities, FV-NI, Gain (Loss)
Derivative, by Nature [Axis]
Derivative Instrument [Axis]
Defined Benefit Plan, Benefits Paid (Deprecated 2017-01-31)
Defined Benefit Plan, Plan Assets, Benefits Paid
Interest-sensitive contract liabilities
Guaranteed Interest Contracts
Surplus Note Due 2043
Surplus Note Due 2043 [Member]
Surplus Note Due 2043
Investments [Abstract]
Investments [Abstract]
Entity [Domain]
Entity [Domain]
Senior Notes Due 2026 [Member]
Senior Notes Due 2026 [Member]
Senior Notes Due 2026 [Member]
Net cash used in investing activities
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation
Full Valuation Allowance [Member]
Full Valuation Allowance [Member]
Full Valuation Allowance [Member]
Document Fiscal Year Focus
Document Fiscal Year Focus
Reinsurance Premium And Effect On Claims And Other Policy Benefits [Table Text Block]
Effects of Reinsurance [Table Text Block]
Other Operating Segment
Other Operating Segment [Member]
Deferred Policy Acquisition Costs [Table Text Block]
Deferred Policy Acquisition Costs [Table Text Block]
Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions
Exchange Traded
Exchange Traded [Member]
Carrying Value [Member]
Reported Value Measurement [Member]
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition
Premiums Earned, Net [Abstract]
Premiums Earned, Net [Abstract]
Derivative Instruments
Derivatives, Policy [Policy Text Block]
Segment Information
Segment Reporting Disclosure [Text Block]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Not Designated as Hedging Instrument [Member]
Not Designated as Hedging Instrument [Member]
Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table]
Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table]
Defined Benefit Plan, Fair Value of Plan Assets, Beginning Balance
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance
Defined Benefit Plan, Plan Assets, Amount
Defined Benefit Plan, Plan Assets, Amount
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets [Line Items]
Policyholder Account Balance, Weighted Average Crediting Rate
Policyholder Account Balance, Weighted Average Crediting Rate
U.S. And Latin America Financial Solutions Segment
U.S. And Latin America Financial Solutions Segment [Member]
U.S. And Latin America Financial Solutions Segment
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table]
Fair Value, Recurring and Nonrecurring [Table]
Depreciation and amortization expense
Depreciation, Depletion and Amortization
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement
Industrial Property [Member]
Industrial Property [Member]
Common Stock Outstanding [Member]
Common Stock Outstanding [Member]
Common Stock Outstanding [Member]
Reinsurance Premiums for Insurance Companies, by Product Segment, Gross Amount
Direct Premiums, Life Insurance in Force
SEC Schedule, 12-17, Insurance Companies, Reinsurance, Life Insurance in Force, Gross
Equity [Member]
Equity [Member]
Undrawn Outstanding Letters Of Credit In Favor Of Third Parties
Undrawn Outstanding Letters Of Credit In Favor Of Third Parties
Undrawn outstanding letters of credit in favor of third parties.
Available for Sale at Fair value - Amortized cost
Government Issued Debt Securities Available For Sale Amortized Cost
Government Issued Debt Securities Available For Sale Amortized Cost
Revolving Credit Facility
Revolving Credit Facility [Member]
Income Tax Expense (Benefit), Intraperiod Tax Allocation
Income Tax Expense (Benefit), Intraperiod Tax Allocation
Cash Flow Derivatives Deferred In OCI
Cash Flow Derivatives Deferred In OCI
Cash Flow Derivatives Deferred In OCI
Cash Flow Derivatives Deferred In OCI
Segments [Axis]
Segments [Axis]
Liability for Future Policy Benefit, Expected Net Premium, Period Increase (Decrease)
Liability for Future Policy Benefit, Expected Net Premium, Period Increase (Decrease)
Fair Value by Liability Class [Domain]
Fair Value by Liability Class [Domain]
Single Name Credit Default Swaps [Member]
Single Name Credit Default Swaps [Member]
-- None. No documentation exists for this element. --
Limited Partner [Member]
Limited Partner [Member]
Local Phone Number
Local Phone Number
Additional 402(v) Disclosure
Additional 402(v) Disclosure [Text Block]
Payment for (Proceeds from) Other Investing Activity
Payment for (Proceeds from) Other Investing Activity
Payment for (Proceeds from) Other Investing Activity
Long-term Debt, Maturities, Repayments of Principal after Year Five
Long-Term Debt, Maturity, after Year Five
Percentage Of Total Available For Sales Securities
Percentage Of Total Available For Sales Securities
Percentage of available for sale securities
Maturity Less than 30 Days [Member]
Maturity Less than 30 Days [Member]
Subordinated Debentures Due 2056 [Member]
Subordinated Debentures Due 2056 [Member]
Subordinated Debentures Due 2056 [Member]
Credit Facility [Axis]
Credit Facility [Axis]
Other Contract
Other Contract [Member]
Mortgage Loan Maturity [Table]
Mortgage Loan Maturity [Table]
Underlying Security Market Price Change
Underlying Security Market Price Change, Percent
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Deferred Policy Acquisition Cost
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Deferred Policy Acquisition Cost
Debt Instrument [Axis]
Debt Instrument [Axis]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Fair Value of Assets and Liabilities
Fair Value Disclosures [Text Block]
Credit Facility [Domain]
Credit Facility [Domain]
Debt Instrument, Interest Rate, Stated Percentage
Debt Instrument, Interest Rate, Stated Percentage
Financial Asset, 30 to 59 Days Past Due
Financial Asset, 30 to 59 Days Past Due [Member]
Entity voluntary filers
Entity Voluntary Filers
Credit Default Types [Domain]
Credit Default Types [Domain]
-- None. No documentation exists for this element. --
Measurement Input, Credit Spread
Measurement Input, Credit Spread [Member]
Short-duration Insurance Contracts, Accident Year [Domain]
Short-Duration Insurance Contracts, Accident Year [Domain]
Commitments and Contingent Liabilities
Commitments Contingencies and Guarantees [Text Block]
Derivative Asset, Fair Value, Gross Asset
Derivative Asset, Subject to Master Netting Arrangement, before Offset
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Table]
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Table]
Entity registrant name
Entity Registrant Name
Defined Benefit Plan, Net Periodic Benefit Cost, Total
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)
Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) for Other Change
Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) for Other Change
NEW YORK STOCK EXCHANGE, INC. [Member]
NEW YORK STOCK EXCHANGE, INC. [Member]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions
Assets Held-in-trust
Asset, Held-in-Trust
Other Investments [Line Items]
Other Investments [Line Items]
RGA International Reinsurance Company dac [Member]
RGA International Reinsurance Company dac [Member]
RGA International Reinsurance Company dac [Member]
Structured Finance [Member]
Structured Finance [Member]
Payments to Acquire Available-for-sale Securities, Equity
Payments to Acquire Equity Securities, FV-NI
Effective Income Tax Rate Reconciliation, Equity in Earnings (Losses) of Unconsolidated Subsidiary, Amount
Effective Income Tax Rate Reconciliation, Equity in Earnings (Losses) of Unconsolidated Subsidiary, Amount
Defined Benefit Plan, Interest Cost
Defined Benefit Plan, Interest Cost
Cumulative Effect, Period of Adoption [Axis]
Cumulative Effect, Period of Adoption [Axis]
Restatement Determination Date:
Restatement Determination Date [Axis]
Deferred Foreign Income Tax Expense (Benefit)
Deferred Foreign Income Tax Expense (Benefit)
Market Risk Benefit, Increase (Decrease) from Equity Market Change
Market Risk Benefit, Increase (Decrease) from Equity Market Change
Market Risk Benefit, Increase (Decrease) from Equity Market Change
Name
Trading Arrangement, Individual Name
Schedule of Changes in Fair Value of Plan Assets [Table Text Block]
Schedule of Changes in Fair Value of Plan Assets [Table Text Block]
Embedded Derivative, Fair Value of Embedded Derivative Asset
Embedded Derivative, Fair Value of Embedded Derivative Asset
Debt Instrument, Face Amount
Debt Instrument, Face Amount
Deposits
Deposits [Member]
Statement of Comprehensive Income [Abstract]
Statement of Comprehensive Income [Abstract]
Share Repurchase Program [Axis]
Share Repurchase Program [Axis]
Liability for Future Policy Benefit, by Product Segment [Line Items]
Liability for Future Policy Benefit, by Product Segment [Line Items]
Prescribed Practice Letters Of Credit
Prescribed Practice Letters Of Credit
Represents letters of credit issued on behalf of the reporting company that are allowed as admitted assets under prescribed practices but not under NAIC SAP.
AOCI Reclassification [Table]
AOCI Reclassification [Table]
-- None. No documentation exists for this element. --
Cost of Reinsurance Significant Accounting Policy Text Block
Cost of Reinsurance Significant Accounting Policy Text Block [Policy Text Block]
Accounting policy text block discussing reinsurance contracts that transfer significant insurance risk.
Other Reinsurance Balances
Deposit Contracts, Policy [Policy Text Block]
ICFR Auditor Attestation Flag
ICFR Auditor Attestation Flag
AOCI, Liability for Future Policy Benefit, after Tax
AOCI, Liability for Future Policy Benefit, after Tax
Embedded Derivatives In Indexed Annuity [Member]
Embedded Derivatives In Indexed Annuity [Member]
Embedded Derivatives In Indexed Annuity
Standard & Poor's, BBB Rating [Member]
Standard & Poor's, BBB Rating [Member]
Derivative Liability, Fair Value of Collateral
Derivative Liability, Fair Value of Collateral
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums
Liability Class [Axis]
Liability Class [Axis]
Foreign Tax Jurisdiction
Foreign Tax Jurisdiction [Member]
Statement of Income Location, Balance [Axis]
Statement of Income Location, Balance [Axis]
Income (Loss) from Continuing Operations before Income Taxes, Foreign
Income (Loss) from Continuing Operations before Income Taxes, Foreign
Fixed Maturities [Member]
Fixed Maturities [Member]
Defined Benefit Plan, Benefit Obligation, Beginning Balance
Defined Benefit Plan, Benefit Obligation, Ending Balance
Defined Benefit Plan, Benefit Obligation
Defined Benefit Plan, Benefit Obligation
Fair Value Hierarchy and NAV [Domain]
Fair Value Hierarchy and NAV [Domain]
Repurchase Agreements and Similar Transactions, Maturity Periods [Domain]
Repurchase Agreements and Similar Transactions, Maturity Periods [Domain]
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net
Short-Duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net
Financing Receivable, Allowance for Credit Loss, Foreign Currency Translation
Financing Receivable, Allowance for Credit Loss, Foreign Currency Translation
Derivative Asset [Abstract]
Derivative Asset [Abstract]
Premiums receivable and other reinsurance balances
Increase (Decrease) in Premiums Receivable
Revenue
Revenue [Policy Text Block]
Payments to Acquire Available-for-sale Securities
Payments to Acquire Debt Securities, Available-for-Sale
Preferred stock (par value $$0.01 per share; 10,000,000 shares authorized; no shares issued or outstanding)
Preferred Stock, Value, Issued
Greater than 1.20x
Debt Service Coverage Ratio Range One [Member]
Mortgage loans with a debt service coverage ratio of more than 1.20x.
Market Risk Benefit, Increase (Decrease) from Volatility
Market Risk Benefit, Increase (Decrease) from Volatility
Current Year Claims and Claims Adjustment Expense
Current Year Claims and Claims Adjustment Expense
Deferred Policy Acquisition Costs, Amortization Expense
Deferred Policy Acquisition Costs, Amortization Expense
Deferred Policy Acquisition Costs, Amortization Expense
Schedule Of Assets Held In Support Of Reserves Associated With Coinsurance With Funds Withheld Agreement
Schedule Of Assets Held In Support Of Reserves Associated With Coinsurance With Funds Withheld Agreement [Table Text Block]
Schedule Of Assets Held In Support Of Reserves Associated With Coinsurance With Funds Withheld Agreement
Net premiums
Net premiums
Reinsurance Premiums for Insurance Companies, by Product Segment, Net Amount
Premiums Earned, Net
Commitments and contingent liabilities (See Note 17)
Commitments and Contingencies
Accounting Standards Update and Change in Accounting Principle [Table]
Accounting Standards Update and Change in Accounting Principle [Table]
Embedded Derivative, Gain on Embedded Derivative
Embedded Derivative, Gain on Embedded Derivative
Options Exercisable, Weighted-Average Exercise Price
Share-Based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price
OCI, Market Risk Benefit, Instrument-Specific Credit Risk, Gain (Loss), after Adjustments, Tax
OCI, Market Risk Benefit, Instrument-Specific Credit Risk, Gain (Loss), after Adjustments, Tax
Fixed Maturity Securities [Abstract]
Marketable Securities [Abstract]
Interest Income [Member]
Interest Income [Member]
Mortgage Loans in Process of Foreclosure, Amount
Mortgage Loans in Process of Foreclosure, Amount
Policyholder Benefits and Claims Incurred, Ceded
Policyholder Benefits and Claims Incurred, Ceded
PEO Actually Paid Compensation Amount
PEO Actually Paid Compensation Amount
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage
Earnings Per Share, Diluted [Abstract]
Earnings Per Share, Diluted [Abstract]
Valuation and Qualifying Accounts
SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]
Life Insurance Product Line [Member]
Life Insurance Product Line [Member]
Non-U.S. Equity Funds [Member]
Non-U.S. Equity Funds [Member]
Non-U.S. Equity Funds [Member]
Other Liabilities
Other Liabilities [Policy Text Block]
Disclosure of accounting policy for other liabilities.
Unrealized Appreciation Depreciation Of Investments [Member]
Unrealized Appreciation Depreciation Of Investments [Member]
-- None. No documentation exists for this element. --
Short-duration Insurance Contracts, Accident Year 2015 [Member]
Short-Duration Insurance Contracts, Accident Year 2015 [Member]
CALIFORNIA
CALIFORNIA
Statutory Basis [Abstract]
Statutory Basis [Abstract]
Derivative, Amount of Hedged Item
Derivative, Amount of Hedged Item
All Individuals
All Individuals [Member]
Long-term Debt, Type [Domain]
Long-Term Debt, Type [Domain]
Fair Value Disclosures [Abstract]
Fair Value Disclosures [Abstract]
Name
Forgone Recovery, Individual Name
Short-Duration Insurance and Deposit Contracts [Text Block]
Short-Duration Insurance and Deposit Contracts [Text Block]
Amortization Of Unrealized Pension And Postretirement Benefits [Member]
Amortization Of Unrealized Pension And Postretirement Benefits [Member]
-- None. No documentation exists for this element. --
Debt, Weighted Average Interest Rate
Debt, Weighted Average Interest Rate
Syndicated Credit Facility $850 Million [Member]
Syndicated Credit Facility $850 Million [Member]
Represents a $850 million syndicated credit facilitiy agreement to provide financing or letters of credit to the company.
Commitment Period Two Thousand Thirty Four
Commitment Period Two Thousand Thirty Four [Member]
Commitment Period Two Thousand Thirty Four
Intangible Asset, Finite-Lived [Table]
Intangible Asset, Finite-Lived [Table]
Deposits on investment-type policies and contracts
Proceeds from Annuities and Investment Certificates
Line of Credit Facility [Line Items]
Line of Credit Facility [Line Items]
Investment Geographic Region [Axis]
Geographical [Axis]
Derivative Liability [Abstract]
Derivative Liability [Abstract]
Quarterly Financial Information
Quarterly Financial Information [Text Block]
Other assets and other liabilities, net
Increase (Decrease) in Other Operating Assets and Liabilities, Net
Rule 10b5-1 Arrangement Terminated
Rule 10b5-1 Arrangement Terminated [Flag]
Deferred Tax Assets, Tax Credit Carryforwards
Deferred Tax Assets, Tax Credit Carryforwards
SEC Schedule, 12-09, Allowance, Loan and Lease Loss, Real Estate [Member]
SEC Schedule, 12-09, Allowance, Loan and Lease Loss, Real Estate [Member]
Reinsurer A [Member]
Reinsurer A [Member]
Reinsurer A, represents one reinsurance client [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Asia Pacific [Member]
Asia Pacific [Member]
Deferred Tax Assets, Capital Loss Carryforwards
Deferred Tax Assets, Capital Loss Carryforwards
Erroneously Awarded Compensation Recovery
Erroneously Awarded Compensation Recovery [Table]
Fair Value Option Contractholder Directed Unit Linked Investments [Member]
Fair Value Option Contractholder Directed Unit Linked Investments [Member]
This caption presents other inveted assets carried at fair value of contractholder-direct unit-linked investments.
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount
Effective Income Tax Rate Reconciliation Foreign Tax Effects Canada
Effective Income Tax Rate Reconciliation Foreign Tax Effects Canada
Effective Income Tax Rate Reconciliation Foreign Tax Effects Canada
Deferred Policy Acquisition Cost [Table]
Deferred Policy Acquisition Cost [Table]
Statutory Accounting Practice, Jurisdiction [Domain]
Statutory Accounting Practice, Jurisdiction [Domain]
Roll Forward Of Cumulative Credit Loss Component Of Otti Income Loss [Table Text Block]
Roll Forward Of Cumulative Credit Loss Component Of Otti Income Loss [Table Text Block]
Rollforward of cumulative credit loss component of OTTI loss recognized in earnings on fixed maturity securities still held, for which a portion of the OTTI loss was recognized in other comprehensive income (loss).
Reinsurance Premiums for Insurance Companies, by Product Segment, Amount Ceded to Other Companies
Ceded Premiums, Life Insurance in Force
SEC Schedule, 12-17, Insurance Companies, Reinsurance, Life Insurance in Force, Ceded
Deferred Tax Liabilities, Unrealized Currency Transaction Gains
Deferred Tax Liabilities, Unrealized Currency Transaction Gains
Capital Contributions To Subsidiaries
Capital Contributions To Subsidiaries
Capital contributions to subsidiaries
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
RGA Reinsurance [Member]
RGA Reinsurance [Member]
This category includes information related to the statutory financial statements for RGA Reinsurance Company.
Financial Condition and Net Income on a Statutory Basis - Significant Subsidiaries
Statutory Basis Reporting [Text Block]
Treasury Stock, Shares, Acquired
Treasury Stock, Shares, Acquired
Treasury Stock, Shares, Acquired
External Credit Rating by Grouping [Axis]
Payment and Performance Risk (Credit Rating) [Axis]
External Credit Rating by Grouping [Axis]
Defined Benefit Plan, Service Cost
Defined Benefit Plan, Service Cost
Effective Income Tax Rate Reconciliation, Tax Contingency, Domestic, Amount
Effective Income Tax Rate Reconciliation, Tax Contingency, Domestic, Amount
Gain (Loss) on Securities [Table Text Block]
Gain (Loss) on Securities [Table Text Block]
Measurement Frequency [Domain]
Measurement Frequency [Domain]
Increase (Decrease) in Fair Value of Hedged Item in Interest Rate Fair Value Hedge
Increase (Decrease) in Fair Value of Hedged Item in Interest Rate Fair Value Hedge
Fair Value Measured On Recurring Basis Short Term Investments
Fair Value Measured On Recurring Basis Short Term Investments
Fair Value, Measured on Recurring Basis, Short Term Investments.
Credit Default Swap [Member]
Credit Default Swap [Member]
Proceeds from Income Tax Refund, Federal
Proceeds from Income Tax Refund, Federal
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction
Preferred stock shares authorized
Preferred Stock, Shares Authorized
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected
Deferred Tax Liabilities, Prepaid Expenses
Deferred Tax Liabilities, Prepaid Expenses
RGA [Member]
RGA [Member]
Reinsurance Group of America, Trading symbol RGA
Reinsurance Premiums for Insurance Companies, by Product Segment, Amount Assumed from Other Companies
Assumed Premiums, Life Insurance in Force
SEC Schedule, 12-17, Insurance Companies, Reinsurance, Life Insurance in Force, Assumed
Offsetting Liabilities [Table Text Block]
Offsetting Liabilities [Table Text Block]
Class of Treasury Stock [Table Text Block]
Class of Treasury Stock [Table Text Block]
Schedule of Net Funded Status [Table Text Block]
Schedule of Net Funded Status [Table Text Block]
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate [Member]
Income Affect Of Non Hedging Derivatives [Line Items]
Income Affect Of Non Hedging Derivatives [Line Items]
Changes in estimated fair value related to embedded derivatives Abstract.
Effective Income Tax Rate Reconciliation Changes in valuation allowance India Foreign Tax Effects
Effective Income Tax Rate Reconciliation Changes in valuation allowance India Foreign Tax Effects
Effective Income Tax Rate Reconciliation Changes in valuation allowance India Foreign Tax Effects
Purchases of fixed maturity securities available-for-sale
Payments to Acquire Held-to-Maturity Securities
Class of Stock [Axis]
Class of Stock [Axis]
Summary Of Investments Other Than Investments In Related Parties [Table Text Block]
Summary Of Investments Other Than Investments In Related Parties [Table Text Block]
This element may be used to tag the schedule of data applicable to insurance companies summarizing investments held as of the most recent audited balance sheet.
Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table
Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member]
Deferred Tax Liabilities, Other
Deferred Tax Liabilities, Other
Retirement Plan Type [Axis]
Retirement Plan Type [Axis]
Credit Derivatives [Line Items]
Credit Derivatives [Line Items]
Statement [Table]
Statement [Table]
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss)
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss)
Deferred income taxes
Deferred Income Tax Expense (Benefit)
Adjustments to reconcile net income to net cash provided by operating activities:
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract]
Short-duration Insurance Contracts, Accident Year [Axis]
Short-Duration Insurance Contracts, Accident Year [Axis]
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Selected Quarterly Financial Information [Abstract]
Selected Quarterly Financial Information [Abstract]
Foreign Tax Jurisdiction, Other
Foreign Tax Jurisdiction, Other [Member]
All Other Corporate Bonds [Member]
Other Corporate Bonds [Member]
Proceeds from Real Estate and Real Estate Joint Ventures
Proceeds from Real Estate and Real Estate Joint Ventures
Reinsurance Liabilities Table [Table]
Reinsurance Liabilities Table [Table]
Reinsurance Liabilities Table
Business and Basis of Presentation
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
Policyholder Benefits and Claims Incurred, Assumed
Policyholder Benefits and Claims Incurred, Assumed
All Adjustments to Compensation
All Adjustments to Compensation [Member]
Liability for Future Policy Benefit, Interest Expense
Liability for Future Policy Benefit, Interest Expense
Amendment flag
Amendment Flag
Available-for-sale Securities, Debt Maturities, Fair Value [Abstract]
Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity [Abstract]
Schedule of Allocation of Plan Assets [Table Text Block]
Schedule of Allocation of Plan Assets [Table Text Block]
Other Invested Assets [Domain]
Other Invested Assets [Domain]
Termination Date
Trading Arrangement Termination Date
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Table]
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Table]
Prescribed Practice Surplus Note
Prescribed Practice Surplus Note
Represents surplus of the reporting company, including accrued surplus note interest that is reported as a reduction in surplus under prescribed practices but not under NAIC SAP.
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Table]
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Table]
Schedule Of Earnings Per Share Basic And Diluted By Common Class [Table Text Block]
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Exercise Price Range [Domain]
Exercise Price Range [Domain]
Segment Reporting [Abstract]
Segment Reporting [Abstract]
Cumulative Foreign Currency Translation Gain Loss Recorded In Accumulated Other Comprehensive Income Loss For Net Investment In Foreign Operations Hedges
Cumulative Foreign Currency Translation Gain Loss Recorded In Accumulated Other Comprehensive Income Loss For Net Investment In Foreign Operations Hedges
Cumulative foreign currency translation gain (loss) recorded in accumulated other comprehensive income (loss) related to hedges of net investments in foreign operations.
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Income Tax Authority, Name [Axis]
Income Tax Authority, Name [Axis]
Foreign Tax Jurisdiction Hong Kong
Foreign Tax Jurisdiction Hong Kong [Member]
Foreign Tax Jurisdiction Hong Kong
Liability for Future Policy Benefit, Expected Net Premium, Issuance
Liability for Future Policy Benefit, Expected Net Premium, Issuance
Forgone Recovery due to Expense of Enforcement, Amount
Forgone Recovery due to Expense of Enforcement, Amount
Consolidated Entities [Axis]
Consolidated Entities [Axis]
Common stock par value
Common Stock, Par or Stated Value Per Share
Effect of updating discount rates on future policy benefits
OCI, Liability for Future Policy Benefit, Gain (Loss), after Reclassification Adjustment and Tax
SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member]
SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member]
Guarantor Obligations, Nature [Axis]
Guarantor Obligations, Nature [Axis]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements
Dividends to shareholders
Dividends to stockholders
Payments of Dividends
Options Outstanding
Share-Based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding
Derivative Asset, Fair Value, Gross Liability
Derivative Asset, Subject to Master Netting Arrangement, Liability Offset
Insider Trading Arrangements [Line Items]
Forfeited
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
Reinsurance ceded receivables and other
Increase (Decrease) in Reinsurance Recoverable
Equity Securities [Member]
Equity Securities [Member]
Line of Credit Facility, Commitment Fee Percentage
Line of Credit Facility, Commitment Fee Percentage
Unrecognized Tax Benefits, Increases Resulting from Current Period Tax Positions
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions
Material Terms of Trading Arrangement
Material Terms of Trading Arrangement [Text Block]
Liability for Future Policy Benefit, Gross Premium Income
Liability for Future Policy Benefit, Gross Premium Income
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]
Consolidation Items [Axis]
Consolidation Items [Axis]
Variable Rate [Axis]
Variable Rate [Axis]
Defined Benefit Plan, Assumed Health Care Cost Trend Rates [Abstract]
Defined Benefit Plan, Assumed Health Care Cost Trend Rates [Abstract]
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest
Corporate Debt Securities [Member]
Corporate Debt Securities [Member]
Non-Hedging Derivatives [Table]
Non-Hedging Derivatives [Table]