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Derivative Instruments (Effects Of Qualifying And Non-Qualifying Hedges) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Realized Gain (Loss) [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Total Line Items in which the Effects of Fair Value or Cash Flow Hedges are Recorded | $ 840 | $ (867) | $ (513)
Net Investment Income [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Total Line Items in which the Effects of Fair Value or Cash Flow Hedges are Recorded | 5,515 | 6,111 | 5,510
Hedged items | (167) | (60) | 69
Derivatives designated as hedging instruments | 167 | 60 | (69)
Interest and Debt Expense [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Total Line Items in which the Effects of Fair Value or Cash Flow Hedges are Recorded | 283 | 270 | 284
Hedged items | 156 | 46 | 136
Derivatives designated as hedging instruments | (156) | (46) | (136)
Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments | Realized Gain (Loss) [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Non-Qualifying Hedges Gain (Loss) | (2,113) |  |
Interest Rate Contracts [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments | Realized Gain (Loss) [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Non-Qualifying Hedges Gain (Loss) |  | (957) | 1,287
Interest Rate Contracts [Member] | Fair value hedges | Net Investment Income [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain or (loss) reclassified from AOCI into income | 2 | 3 | 2
Interest Rate Contracts [Member] | Fair value hedges | Interest and Debt Expense [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain or (loss) reclassified from AOCI into income | (11) | (23) | (16)
Interest Rate Contracts [Member] | Fair value hedges | Designated as Hedging Instrument [Member] | Realized Gain (Loss) [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain or (loss) reclassified from AOCI into income | 39 |  | 6
Interest Rate Contracts [Member] | Fair value hedges | Designated as Hedging Instrument [Member] | Net Investment Income [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain or (loss) reclassified from AOCI into income | 62 |  | 56
Foreign currency contracts [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments | Realized Gain (Loss) [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Non-Qualifying Hedges Gain (Loss) | 3 | (1) | (3)
Foreign currency contracts [Member] | Fair value hedges | Designated as Hedging Instrument [Member] | Realized Gain (Loss) [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain or (loss) reclassified from AOCI into income |  | (2) |
Foreign currency contracts [Member] | Fair value hedges | Designated as Hedging Instrument [Member] | Net Investment Income [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain or (loss) reclassified from AOCI into income |  | 48 |
Equity market contracts [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments | Realized Gain (Loss) [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Non-Qualifying Hedges Gain (Loss) | (2,075) | 3,354 | 971
Commodity Contract [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments | Realized Gain (Loss) [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Non-Qualifying Hedges Gain (Loss) | 11 | (1) |
Credit contracts [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments | Realized Gain (Loss) [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Non-Qualifying Hedges Gain (Loss) | (4) |  | (6)
GLB Embedded Derivative Reserves [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments | Realized Gain (Loss) [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Non-Qualifying Hedges Gain (Loss) |  |  | 32
Reinsurance Related [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments | Realized Gain (Loss) [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Non-Qualifying Hedges Gain (Loss) | 622 | 185 | (65)
Indexed Annuity Contracts Embedded Derivatives [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments | Realized Gain (Loss) [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Non-Qualifying Hedges Gain (Loss) | $ 1,760 | $ (2,622) | $ (471)

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