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Investments (Fixed Maturity Securities AFS - Sales and Disposals and Credit Loss) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Debt Securities, Available-for-sale [Line Items] |  |
Proceeds | $ 6,352 | $ 15,044
Gross investment gains | 156 | 293
Gross investment (losses) | (312) | (856)
Realized gains (losses) on sales and disposals | (156) | (563)
Net credit loss (provision) release (change in ACL recognized in earnings) | 71 | (10)
Impairment (losses) | 0 | (7)
Net credit loss (provision) release and impairment (losses) | 71 | (17)
Net investment gains (losses) | (135) | (546)
Equity securities | (2) | 7
Equity Securities, FV-NI, Unrealized Gain (Loss) | 30 | 41
Equity Securities, FV-NI, Gain (Loss) | 28 | 48
Fixed Maturity Securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Net investment gains (losses) | $ (85) | $ (580)

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