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Equity (Reclassifications Out of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Net investment gains (losses) | $ (1,262) | $ 1,529 | $ (110)
Net investment income | 15,916 | 21,395 | 17,117
Net derivative gains (losses) | (2,372) | (2,228) | 1,349
Other expenses | $ 12,034 | $ 12,586 | $ 13,150
Amortization of net actuarial gains (losses) [Extensible Enumeration] | Total recognized in OCI | Total recognized in OCI | Total recognized in OCI
Amortization of prior service (costs) credit [Extensible Enumeration] | Total recognized in OCI | Total recognized in OCI | Total recognized in OCI
Income (loss) from continuing operations before provision for income tax | $ 2,859 | $ 8,126 | $ 6,927
Income tax (expense) benefit | (301) | (1,551) | (1,509)
Net income (loss) | 2,558 | 6,575 | 5,418
Reclassification out of Accumulated Other Comprehensive Income |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Net income (loss) | (1,735) | (189) | 866
Reclassification out of Accumulated Other Comprehensive Income | Unrealized Investment Gains (Losses), Net of Related Offsets |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Net investment gains (losses) | (1,802) | 72 | 362
Net investment income | 7 | (16) | (24)
Net derivative gains (losses) | 188 | 69 | 19
Income (loss) from continuing operations before provision for income tax | (1,607) | 125 | 357
Income tax (expense) benefit | 368 | (29) | (83)
Net income (loss) | (1,239) | 96 | 274
Reclassification out of Accumulated Other Comprehensive Income | Unrealized Gains (Losses) on Derivatives |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Income (loss) from continuing operations before provision for income tax | (498) | (250) | 1,016
Income tax (expense) benefit | 76 | 39 | (358)
Net income (loss) | (422) | (211) | 658
Reclassification out of Accumulated Other Comprehensive Income | Unrealized Gains (Losses) on Derivatives | Interest rate contracts |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Net investment gains (losses) | 41 | 84 | 121
Net investment income | 59 | 56 | 36
Other expenses | 4 | 3 | 2
Reclassification out of Accumulated Other Comprehensive Income | Unrealized Gains (Losses) on Derivatives | Foreign currency swaps |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Net investment gains (losses) | (609) | (403) | 851
Net investment income | 6 | 8 | 4
Other expenses | 1 | 2 | 2
Reclassification out of Accumulated Other Comprehensive Income | Defined Benefit Plans Adjustment |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Amortization of net actuarial gains (losses) | (104) | (120) | (105)
Amortization of prior service (costs) credit | 11 | 29 | 19
Income (loss) from continuing operations before provision for income tax | (93) | (91) | (86)
Income tax (expense) benefit | 19 | 17 | 20
Net income (loss) | $ (74) | $ (74) | $ (66)

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