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Consolidated Balance Sheet (Unaudited) (Parenthetical) - USD ($) $ in Millions | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Statement of Financial Position [Abstract] |  |
Fixed maturities, available for sale, amortized cost | $ 10,610 | $ 10,736
Fixed maturities, available for sale, allowance for expected credit losses | $ 20 | $ 11
Common Stock, par value (USD per share) | $ 0 | $ 0
Common Stock, shares authorized (shares) | 200,000,000 | 200,000,000
Common Stock, shares outstanding (shares) | 84,135,710 | 85,204,006

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