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Derivative Instruments (Outstanding Derivative Instruments With Off-Balance-Sheet Risks) (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | $ 184,321 | $ 216,826
Asset Fair Value | 10,293 | 6,390
Liability Fair Value | 9,505 | 7,091
Interest Rate Contracts [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 87,165 |
Foreign currency contracts [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 4,466 |
Equity market contracts [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 92,641 |
Credit contracts [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 49 |
GLB Ceded Embedded Derivatives [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Asset Fair Value | 56 | 82
Liability Fair Value | 182 |
Cash Flow Hedges [Member] | Designated as Hedging Instrument [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 7,201 | 5,266
Asset Fair Value | 381 | 234
Liability Fair Value | 487 | 714
Derivative Investments [Member] | Interest Rate Contracts [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 82,786 | 135,434
Asset Fair Value | 897 | 1,587
Liability Fair Value | 176 | 159
Derivative Investments [Member] | Foreign currency contracts [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 487 | 304
Asset Fair Value | 7 | 1
Liability Fair Value | 2 | 8
Derivative Investments [Member] | Equity market contracts [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 92,641 | 74,610
Asset Fair Value | 6,461 | 3,486
Liability Fair Value | 2,108 | 1,952
Derivative Investments [Member] | Credit contracts [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 49 | 51
Derivative Investments [Member] | Cash Flow Hedges [Member] | Interest Rate Contracts [Member] | Designated as Hedging Instrument [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 3,222 | 2,177
Asset Fair Value | 98 | 87
Liability Fair Value | 436 | 563
Derivative Investments [Member] | Cash Flow Hedges [Member] | Foreign currency contracts [Member] | Designated as Hedging Instrument [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 3,979 | 3,089
Asset Fair Value | 283 | 147
Liability Fair Value | 51 | 151
Derivative Investments [Member] | Fair Value Hedges [Member] | Interest Rate Contracts [Member] | Designated as Hedging Instrument [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 1,157 | 1,161
Liability Fair Value | 213 | 272
Other Assets [Member] | GLB Direct Embedded Derivatives [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Asset Fair Value | 1,963 | 450
Reinsurance Related Embedded Derivatives [Member] | Reinsurance Related [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Liability Fair Value | 206 | 392
Future Contract Benefits [Member] | Indexed Annuity And IUL Contracts [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Asset Fair Value | 528 | 550
Liability Fair Value | $ 6,131 | $ 3,594

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