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Derivative Instruments (Outstanding Derivative Instruments With Off-Balance-Sheet Risks) (Details) - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022
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Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | $ 328,523 |
Interest Rate Contracts [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 88,224 |
Foreign Currency Contracts [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 4,905 |
Equity Market Contracts [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 235,315 |
Commodity Contracts [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 27 |
Credit cContracts [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 52 |
Total Derivative Instruments [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 328,523 | $ 257,459
Asset Fair Value | 11,051 | 7,594
Liability Fair Value | 12,807 | 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 | 85,019 | 105,977
Asset Fair Value | 638 | 709
Liability Fair Value | 925 | 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 | 357 | 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 | 235,315 | 142,946
Asset Fair Value | 8,671 | 5,135
Liability Fair Value | 4,152 | 2,035
Derivative Investments [Member] | Commodity Contracts [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 27 | 13
Asset Fair Value | 14 | 14
Liability Fair Value | 15 | 3
Derivative Investments [Member] | Credit cContracts [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 52 |
Derivative Investments [Member] | Cash Flow Hedges [Member] | Designated as Hedging Instrument [Member] |  |
Outstanding derivative instruments with off-balance-sheet risks |  |
Notional Amounts | 6,638 | 6,973
Asset Fair Value | 736 | 766
Liability Fair Value | 161 | 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 | 2,090 | 2,590
Asset Fair Value | 135 | 123
Liability Fair Value | 125 | 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 | 4,548 | 4,383
Asset Fair Value | 601 | 643
Liability Fair Value | 36 | 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 | 2 | 2
Liability Fair Value | 42 | 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 | 368 | 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 | 603 | 525
Liability Fair Value | $ 7,510 | $ 4,783

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