Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)	Sep. 30, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Fixed maturities, amortized cost	$ 31,380,000,000	$ 30,656,000,000
Fixed maturities, allowance for credit losses	39,000,000	58,000,000
Equity Securities, cost	337,000,000	240,000,000
Securities pledged, amortized costs	1,297,000,000	1,091,000,000
Allowance for credit Losses	$ 3,000,000	$ 0
Preferred stock, par value (usd per share)	$ 0.01	$ 0.01
Preferred stock, aggregate liquidation preference	$ 625,000,000	$ 625,000,000
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	900,000,000	900,000,000
Common stock, shares issued	110,730,556	108,987,650
Common stock, shares outstanding	97,166,639	107,758,376
Treasury stock, shares	13,563,917	1,229,274