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Investments (Fixed Maturity Securities AFS - Sales and Disposals and Credit Loss) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items] |  |  |
Proceeds | $ 28,690 | $ 40,625 | $ 67,754
Gross investment gains | 489 | 563 | 935
Gross investment (losses) | (1,178) | (1,732) | (2,704)
Realized gains (losses) on sales and disposals | (689) | (1,169) | (1,769)
Net credit loss (provision) release (change in ACL recognized in earnings) | 23 | (2) | (103)
Impairment Loss, Debt Securities, Available-for-Sale | 65 | 1,300 | 40
Net credit loss (provision) release and impairment (losses) | (42) | (1,302) | (143)
Realized Investment Gains (Losses) | (436) | (1,028) | (880)
Equity securities | 47 | 21 | (47)
Equity Securities, FV-NI, Unrealized Gain (Loss) | (65) | 60 | (86)
Equity Securities, FV-NI, Gain (Loss) | (18) | 81 | (133)
Fixed Maturity Securities |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Realized Investment Gains (Losses) | $ (731) | $ (2,471) | $ (1,912)

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