Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Fixed maturities, available-for-sale, at fair value (amortized cost of $28,724 and $26,536 as of 2025 and 2024, respectively; net of allowance for credit losses of $26 and $38 as of 2025 and 2024, respectively)	$ 28,724	$ 26,536
Fixed maturities, available-for-sale, at fair value (amortized cost of $28,724 and $26,536 as of 2025 and 2024, respectively; net of allowance for credit losses of $26 and $38 as of 2025 and 2024, respectively)	26	38	$ 17	$ 12
Mortgage loans on real estate (net of allowance for credit losses of $31 and $24 as of 2025 and 2024, respectively)	31	24	26
Securities pledged (amortized cost of $1,388 and $1,665 as of 2025 and 2024, respectively)	1,388	1,665
Premium receivable and reinsurance recoverable (net of allowance for credit losses of $16 as of 2025 and 2024)	16	16	28	32
Other assets (net of allowance for credit losses of $0 and $1 as of 2025 and 2024, respectively)	$ 0	$ 1	$ 1	$ 1
Preferred stock (0.01 par value per share; $625000000 aggregate liquidation preference as of 2025 and 2024)	$ 0.01	$ 0.01
Preferred stock (0.01 par value per share; $625000000 aggregate liquidation preference as of 2025 and 2024)	$ 625	$ 625
Common stock ($0.01 par value per share; 900000000 shares authorized; 107,424,252 and 105,592,281 shares issued as of 2025 and 2024, respectively; 93,842,616 and 95,497,265 shares outstanding as of 2025 and 2024, respectively)	$ 0.01	$ 0.01
Common stock ($0.01 par value per share; 900000000 shares authorized; 107,424,252 and 105,592,281 shares issued as of 2025 and 2024, respectively; 93,842,616 and 95,497,265 shares outstanding as of 2025 and 2024, respectively)	900,000,000	900,000,000
Common stock ($0.01 par value per share; 900000000 shares authorized; 107,424,252 and 105,592,281 shares issued as of 2025 and 2024, respectively; 93,842,616 and 95,497,265 shares outstanding as of 2025 and 2024, respectively)	107,424,252	105,592,281
Common stock ($0.01 par value per share; 900000000 shares authorized; 107,424,252 and 105,592,281 shares issued as of 2025 and 2024, respectively; 93,842,616 and 95,497,265 shares outstanding as of 2025 and 2024, respectively)	93,842,616	95,497,265	102,900,000	97,200,000
Treasury stock (at cost; 13,581,636 and 10,095,016 shares as of 2025 and 2024, respectively)	13,581,636	10,095,016

Amount of allowance for credit loss on receivable, classified as other and current.

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