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Consolidated Balance Sheet (Parenthetical) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Statement of Financial Position [Abstract] |  |
Fixed maturies, available for sale, amortized cost | $ 10,687 | $ 10,752
Fixed maturities, available for sale, allowance for expected credit losses | $ 34 | $ 12
Common Stock, par value (USD per share) | $ 0 | $ 0
Common Stock, shares authorized | 200,000,000 | 200,000,000
Common Stock, shares outstanding | 83,978,258 | 83,635,807

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