Condensed Consolidated Balance Sheets Parenthetical - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Fixed maturities, amortized cost	$ 22,218	$ 22,349
Fixed maturities, allowance for credit losses	7	48
Equity Securities, FV-NI, Cost	133	141
Securities pledged, amortized costs	$ 894	$ 725
Common stock, par value	$ 50
Common stock, shares authorized	100,000
Common stock, shares issued	55,000