UNAUDITED INTERIM CONSOLIDATED STATEMENTS OF FINANCIAL POSITION (PARENTHETICAL) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Allowance for credit losses		$ 1
Amortized cost		8,556
Fixed maturity securities, trading, amortized cost		28
Equity securities, cost	$ 201	323
Commercial mortgage and other loans, allowance for credit losses	5	5
Other invested assets, fair value	$ 400	$ 13
Common stock, par value (in dollars per share)	$ 100	$ 100
Common stock authorized (in shares)	25,000	25,000
Common stock issued (in shares)	25,000	25,000
Common stock outstanding (in shares)	25,000	25,000