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Derivative Instruments (Effects Of Qualifying And Non-Qualifying Hedges) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
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 | $ (828) | $ 181
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 | 1,466 | 1,411
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 | 83 | 66
Cash Flow Hedges [Member] | Designated as Hedging Instrument [Member] | Net Investment Income [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivatives designated as hedging instruments | (16) | 63
Cash Flow Hedges [Member] | Designated as Hedging Instrument [Member] | Interest and Debt Expense [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivatives designated as hedging instruments | 21 | (58)
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) | 332 | (821)
Interest Rate Contracts [Member] | Cash Flow Hedges [Member] | Designated as Hedging Instrument [Member] | Net Investment Income [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Hedged items | 16 | (63)
Interest Rate Contracts [Member] | Cash Flow Hedges [Member] | Designated as Hedging Instrument [Member] | Interest and Debt Expense [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Hedged items | (21) | 58
Interest Rate Contracts [Member] | Fair Value 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 |  | 1
Interest Rate Contracts [Member] | Fair Value 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 | 6 | (6)
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) |
Foreign currency contracts [Member] | Fair Value 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 | 3
Foreign currency contracts [Member] | Fair Value 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 | 14 | 13
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) | (53) | (324)
Commodity Contract [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) | 11 |
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) |
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) | (49) | 263
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) | $ (713) | $ 506

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