Condensed Consolidated Balance Sheets Parenthetical - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Fixed maturities, amortized cost	$ 23,074	$ 24,667
Fixed maturities, allowance for credit losses	48	14
Equity Securities, FV-NI, Cost	141	116
Securities pledged, amortized costs	$ 725	$ 169
Common stock, par value	$ 50	$ 50
Common stock, shares authorized	100,000	100,000
Common stock, shares issued	55,000	55,000
Common stock, shares outstanding	55,000	55,000