Condensed Consolidated Balance Sheets Parenthetical - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Fixed maturities, amortized cost	$ 19,743	$ 20,496
Fixed maturities, allowance for credit losses	30	14
Financing Receivable, Allowance for Credit Loss, Current	19	22
Reinsurance Recoverable, Allowance for Credit Loss	0
Contract with Customer, Asset, Allowance for Credit Loss	0
Securities pledged, amortized costs	$ 1,223	$ 855
Common stock, par value	$ 50
Common stock, shares authorized	100,000
Common stock, shares issued	55,000