Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Fixed maturities, Amortized Cost	$ 26,905	$ 27,690
Fixed maturities, allowance for credit losses	27	17
Mortgage loans, allowance for credit losses	24	26
Securities pledged, amortized cost	1,393	1,232
Premium receivable and reinsurance recoverable, allowance for credit losses	21	28
Other assets, allowance for credit losses	$ 1	$ 1
Preferred stock, par value (usd per share)	$ 0.01	$ 0.01
Preferred stock, aggregate liquidation preference	$ 625	$ 625
Common stock, par value (usd per share)	$ 0.01	$ 0.01
Common stock, shares outstanding (in shares)	900,000,000	900,000,000
Common stock, shares issued (in shares)	105,241,324	103,584,699
Common stock, shares outstanding (in shares)	99,053,271	102,854,569
Treasury stock (in shares)	6,188,053	730,130