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Derivative Instruments (Effects Of Qualifying And Non-Qualifying Hedges) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
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 | $ (212) | $ (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 | 6,115 | 5,510 |
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 | 270 | 284 |
Designated as Hedging Instrument [Member] | 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 |  |  | $ (610)
Designated as Hedging Instrument [Member] | 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 |  |  | 5,223
Designated as Hedging Instrument [Member] | 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 |  |  | 326
Interest Rate Contracts [Member] | Designated as Hedging Instrument [Member] | Net Investment Income [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Hedged items |  |  | 63
Interest Rate Contracts [Member] | Designated as Hedging Instrument [Member] | Interest and Debt Expense [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Hedged items |  |  | (93)
Interest Rate Contracts [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] | Realized Gain (Loss) [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Non-Qualifying Hedges Gain (Loss) | (957) | 1,287 | 984
Interest Rate Contracts [Member] | Cash Flow Hedges [Member] | 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 | 3 | 2 | 3
Interest Rate Contracts [Member] | Cash Flow Hedges [Member] | Designated as Hedging Instrument [Member] | Interest and Debt Expense [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain or (loss) reclassified from AOCI into income | (23) | (16) | (5)
Interest Rate Contracts [Member] | Fair Value Hedges [Member] | Net Investment Income [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Hedged items |  | 69 |
Interest Rate Contracts [Member] | Fair Value Hedges [Member] | Interest and Debt Expense [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Hedged items |  | 136 |
Interest Rate Contracts [Member] | Fair Value Hedges [Member] | Designated as Hedging Instrument [Member] | Net Investment Income [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Hedged items | (60) | (69) |
Derivatives designated as hedging instruments | 60 |  | (63)
Interest Rate Contracts [Member] | Fair Value Hedges [Member] | Designated as Hedging Instrument [Member] | Interest and Debt Expense [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Hedged items | 46 | (136) |
Derivatives designated as hedging instruments | (46) |  | 93
Foreign currency contracts [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] | Realized Gain (Loss) [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Non-Qualifying Hedges Gain (Loss) | (1) | (3) | (1)
Foreign currency contracts [Member] | Cash Flow Hedges [Member] | 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) | 6 | 9
Foreign currency contracts [Member] | Cash Flow Hedges [Member] | 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 | 56 | 35
Equity market contracts [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] | Realized Gain (Loss) [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Non-Qualifying Hedges Gain (Loss) | 3,354 | 971 | (137)
Credit contracts [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] | Realized Gain (Loss) [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Non-Qualifying Hedges Gain (Loss) | (1) | (6) |
Embedded derivatives - GLB [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] | Realized Gain (Loss) [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Non-Qualifying Hedges Gain (Loss) | 1,304 | 32 | 306
Reinsurance Related [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] | Realized Gain (Loss) [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Non-Qualifying Hedges Gain (Loss) | 185 | (65) | (324)
Indexed Annuity And IUL Contracts [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] | Realized Gain (Loss) [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Non-Qualifying Hedges Gain (Loss) | $ (2,622) | $ (471) | $ (742)

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