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Derivative Instruments (Outstanding Derivative Instruments With Off-Balance-Sheet Risks) (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022
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Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | $ 307,291 |
Interest Rate Contracts [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 86,709 |
Foreign currency contracts [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 4,763 |
Equity market contracts [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 215,684 |
Commodity Contract [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 13 |
Credit contracts [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 122 |
Total Derivative Instruments [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 307,291 | $ 257,459
Asset Fair Value | 8,398 | 7,594
Liability Fair Value | 9,629 | 8,052
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 | 83,299 | 105,977
Asset Fair Value | 607 | 709
Liability Fair Value | 764 | 935
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 | 363 | 395
Asset Fair Value | 19 | 27
Liability Fair Value | 2 | 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 | 215,684 | 142,946
Asset Fair Value | 6,372 | 5,135
Liability Fair Value | 2,837 | 2,035
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 | 13 | 13
Asset Fair Value | 23 | 14
Liability Fair Value |  | 3
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 | 122 |
Derivative Investments [Member] | Cash Flow Hedges [Member] | Designated as Hedging Instrument [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 6,695 | 6,973
Asset Fair Value | 704 | 766
Liability Fair Value | 162 | 250
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 | 2,295 | 2,590
Asset Fair Value | 67 | 123
Liability Fair Value | 143 | 232
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 | 4,400 | 4,383
Asset Fair Value | 637 | 643
Liability Fair Value | 19 | 18
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 | 1,115 | 1,155
Asset Fair Value | 1 | 2
Liability Fair Value | 68 | 44
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 | 367 | 416
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 | 305 | 525
Liability Fair Value | $ 5,796 | $ 4,783

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