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Equity (Reclassifications Out of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Net investment gains (losses) | $ (375) | $ (684)
Net investment income | 5,436 | 4,645
Net derivative gains (losses) | (979) | (90)
Other expenses | 3,217 | 3,057
Income (loss) from continuing operations before provision for income tax | 1,045 | 257
Income tax (expense) benefit | (170) | (172)
Net income (loss) | 875 | 85
Reclassification out of Accumulated Other Comprehensive Income |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Net income (loss) | (424) | (362)
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) | (159) | (611)
Net investment income | (1) | 2
Net derivative gains (losses) | 15 | 43
Income (loss) from continuing operations before provision for income tax | (145) | (566)
Income tax (expense) benefit | 32 | 129
Net income (loss) | (113) | (437)
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 | (357) | 132
Income tax (expense) benefit | 73 | (33)
Net income (loss) | (284) | 99
Reclassification out of Accumulated Other Comprehensive Income | Unrealized Gains (Losses) on Derivatives | Interest Rate Contract |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Net investment gains (losses) | 2 | 5
Net investment income | 8 | 14
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) | (368) | 111
Net investment income | 1 | 1
Other expenses | 0 | 1
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) | (35) | (33)
Amortization of prior service (costs) credit | 3 | 3
Income (loss) from continuing operations before provision for income tax | (32) | (30)
Income tax (expense) benefit | 5 | 6
Net income (loss) | $ (27) | $ (24)

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