Condensed Consolidated Balance Sheets Parenthetical - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Fixed maturities, amortized cost	$ 20,496	$ 22,218
Fixed maturities, allowance for credit losses	14	7
Financing Receivable, Allowance for Credit Loss, Current	22	14
Allowance for Credit Loss, Receivable, Other, Current	0
Securities pledged, amortized costs	855	$ 894
Reinsurance Recoverable, Allowance for Credit Loss	$ 0
Common stock, par value	$ 50
Common stock, shares authorized	100,000
Common stock, shares issued	55,000