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v3.25.1

Derivative Instruments (Gross Notional Amount and Fair Value of Derivatives Contracts) (Details) - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Derivative [Line Items] |  |
Notional Amount | $ 39,631 | $ 35,830
Carrying Value / Fair Value of Assets | 440 | 470
Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral | 1,261 | 1,323
Derivative Fair Value Of Free Standing Derivative Asset | 155 | 187
Derivative Liability, Fair Value, Gross Liability | 527 | 550
Not Designated as Hedging Instrument |  |
Derivative [Line Items] |  |
Notional Amount | 29,882 | 26,500
Carrying Value / Fair Value of Assets | 357 | 364
Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral | 822 | 855
Not Designated as Hedging Instrument | Interest Rate Swaps |  |
Derivative [Line Items] |  |
Notional Amount | 1,886 | 1,848
Carrying Value / Fair Value of Assets | 6 | 6
Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral | 14 | 20
Not Designated as Hedging Instrument | Foreign Currency Forwards |  |
Derivative [Line Items] |  |
Notional Amount | 1,101 | 1,148
Carrying Value / Fair Value of Assets | 3 | 9
Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral | 20 | 37
Not Designated as Hedging Instrument | Financial Futures |  |
Derivative [Line Items] |  |
Notional Amount | 223 | 209
Carrying Value / Fair Value of Assets | 0 | 0
Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral | 0 | 0
Not Designated as Hedging Instrument | Consumer Price Index Swap [Member] |  |
Derivative [Line Items] |  |
Notional Amount | 394 | 408
Carrying Value / Fair Value of Assets | 4 | 6
Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral | 5 | 2
Not Designated as Hedging Instrument | Credit Default Swaps |  |
Derivative [Line Items] |  |
Notional Amount | 4,165 | 2,661
Carrying Value / Fair Value of Assets | 2 | 4
Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral | 21 | 6
Not Designated as Hedging Instrument | Synthetic Guaranteed Investment Contracts |  |
Derivative [Line Items] |  |
Notional Amount | 16,176 | 15,362
Carrying Value / Fair Value of Assets | 0 | 0
Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral | 0 | 0
Not Designated as Hedging Instrument | Embedded Derivatives In Modified Coinsurance Or Funds Withheld Arrangements |  |
Derivative [Line Items] |  |
Notional Amount | 0 | 0
Carrying Value / Fair Value of Assets | 285 | 283
Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral | 351 | 338
Not Designated as Hedging Instrument | Embedded Derivatives In Indexed Annuity [Member] |  |
Derivative [Line Items] |  |
Notional Amount | 0 | 0
Carrying Value / Fair Value of Assets | 0 | 0
Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral | 383 | 435
Not Designated as Hedging Instrument | Currency Swap [Member] |  |
Derivative [Line Items] |  |
Notional Amount | 150 | 150
Carrying Value / Fair Value of Assets | 42 | 47
Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral | 0 | 0
Not Designated as Hedging Instrument | Interest Rate Swaption |  |
Derivative [Line Items] |  |
Notional Amount | 2,273 | 1,773
Carrying Value / Fair Value of Assets | 3 | 1
Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral | 0 | 0
Not Designated as Hedging Instrument | Total Return Swap |  |
Derivative [Line Items] |  |
Notional Amount | 865 | 956
Carrying Value / Fair Value of Assets | 0 | 0
Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral | 25 | 14
Not Designated as Hedging Instrument | Equity Option |  |
Derivative [Line Items] |  |
Notional Amount | 669 | 255
Carrying Value / Fair Value of Assets | 11 | 5
Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral | 2 | 1
Not Designated as Hedging Instrument | Foreign Exchange Option |  |
Derivative [Line Items] |  |
Notional Amount | 430 | 430
Derivative Fair Value Of Free Standing Derivative Asset | 0 | 1
Derivative Liability, Fair Value, Gross Liability | 0 | 0
Not Designated as Hedging Instrument | Swap |  |
Derivative [Line Items] |  |
Notional Amount | 1,300 | 1,300
Derivative Fair Value Of Free Standing Derivative Asset | 1 | 2
Derivative Liability, Fair Value, Gross Liability | 1 | 2
Not Designated as Hedging Instrument | Credit Default Option |  |
Derivative [Line Items] |  |
Notional Amount | 250 | 0
Carrying Value / Fair Value of Assets | 0 | 0
Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral | 0 | 0
Designated As Hedging Instrument |  |
Derivative [Line Items] |  |
Notional Amount | 9,749 | 9,330
Carrying Value / Fair Value of Assets | 83 | 106
Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral | 439 | 468
Designated As Hedging Instrument | Interest Rate Swaps |  |
Derivative [Line Items] |  |
Notional Amount | 3,301 | 3,336
Carrying Value / Fair Value of Assets | 27 | 5
Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral | 72 | 103
Designated As Hedging Instrument | Foreign Currency Forwards |  |
Derivative [Line Items] |  |
Notional Amount | 1,933 | 1,966
Carrying Value / Fair Value of Assets | 47 | 94
Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral | 5 | 0
Designated As Hedging Instrument | Currency Swap [Member] |  |
Derivative [Line Items] |  |
Notional Amount | 2,008 | 2,008
Carrying Value / Fair Value of Assets | 6 | 7
Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral | 160 | 159
Designated As Hedging Instrument | Forward Contracts [Member] |  |
Derivative [Line Items] |  |
Notional Amount | 2,507 | 2,020
Carrying Value / Fair Value of Assets | 3 | 0
Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral | $ 202 | $ 206

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