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Derivative Instruments (Outstanding Derivative Instruments With Off-Balance-Sheet Risks) (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | $ 257,459 | $ 199,195
Asset Fair Value | 7,594 | 10,303
Liability Fair Value | 8,052 | 11,124
Interest Rate Contracts [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 109,722 |
Foreign currency contracts [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 4,778 |
Equity market contracts [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 142,946 |
Credit contracts [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 13 | 49
Derivative Investments [Member] | Interest Rate Contracts [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 105,977 | 82,786
Asset Fair Value | 709 | 897
Liability Fair Value | 935 | 176
Derivative Investments [Member] | Foreign currency contracts [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 395 | 487
Asset Fair Value | 27 | 7
Liability Fair Value | 2 | 2
Derivative Investments [Member] | Equity market contracts [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 142,946 | 107,515
Asset Fair Value | 5,135 | 8,490
Liability Fair Value | 2,035 | 3,909
Derivative Investments [Member] | Commodity Contract [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 13 |
Asset Fair Value | 14 |
Liability Fair Value | 3 |
Derivative Investments [Member] | Cash flow hedges | Designated as Hedging Instrument [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 6,973 | 7,201
Asset Fair Value | 766 | 381
Liability Fair Value | 250 | 487
Derivative Investments [Member] | Cash flow hedges | Interest Rate Contracts [Member] | Designated as Hedging Instrument [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 2,590 | 3,222
Asset Fair Value | 123 | 98
Liability Fair Value | 232 | 436
Derivative Investments [Member] | Cash flow hedges | Foreign currency contracts [Member] | Designated as Hedging Instrument [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 4,383 | 3,979
Asset Fair Value | 643 | 283
Liability Fair Value | 18 | 51
Derivative Investments [Member] | Fair value hedges | Interest Rate Contracts [Member] | Designated as Hedging Instrument [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 1,155 | 1,157
Asset Fair Value | 2 |
Liability Fair Value | 44 | 213
Reinsurance related [Member] | Reinsurance Related [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Asset Fair Value | 416 |
Liability Fair Value |  | 206
Future Contract Benefits [Member] | Indexed Annuity Contracts Embedded Derivatives [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Asset Fair Value | 525 | 528
Liability Fair Value | $ 4,783 | $ 6,131

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