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Consolidated Balance Sheet (Unaudited) (Parenthetical) - USD ($) $ in Millions | Mar. 31, 2026 | Dec. 31, 2025
--- | --- | ---
Statement of Financial Position [Abstract] |  |
Fixed maturities, available for sale, amortized cost | $ 11,549 | $ 11,101
Fixed maturities, available for sale, allowance for expected credit losses | $ 26 | $ 21
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) | 83,086,295 | 83,422,202
Common Stock, shares issued (shares) | 83,086,295 |

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