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Derivative Instruments (Outstanding Derivative Instruments With Off-Balance-Sheet Risks) (Details) - USD ($) $ in Millions | Jun. 30, 2022 | Dec. 31, 2021
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Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | $ 193,776 |
Interest Rate Contracts [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 94,190 |
Foreign currency contracts [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 4,663 |
Equity market contracts [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 94,669 |
Commodity Contract [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 10 |
Credit contracts [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 244 |
Total Derivative Instruments [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 193,776 | $ 184,321
Asset Fair Value | 8,022 | 10,293
Liability Fair Value | 6,222 | 9,505
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 | 89,687 | 82,786
Asset Fair Value | 596 | 897
Liability Fair Value | 579 | 176
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 | 382 | 487
Asset Fair Value | 27 | 7
Liability Fair Value | 1 | 2
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 | 94,669 | 92,641
Asset Fair Value | 4,598 | 6,461
Liability Fair Value | 1,813 | 2,108
Derivative Investments [Member] | Commodity Contract [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 10 |
Asset Fair Value | 9 |
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 | 244 | 49
Derivative Investments [Member] | Cash Flow Hedges [Member] | Designated as Hedging Instrument [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 7,628 | 7,201
Asset Fair Value | 606 | 381
Liability Fair Value | 235 | 487
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 | 3,347 | 3,222
Asset Fair Value | 8 | 98
Liability Fair Value | 227 | 436
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 | 4,281 | 3,979
Asset Fair Value | 598 | 283
Liability Fair Value | 8 | 51
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 | 1,156 | 1,157
Liability Fair Value | 92 | 213
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 | 1,400 | 1,963
Other Liabilities [Member] | 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 | 41 | 56
Liability Fair Value | 136 | 182
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 |  |
Asset Fair Value | 305 |
Liability Fair Value |  | 206
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 | 440 | 528
Liability Fair Value | $ 3,366 | $ 6,131

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