INTERIM CONSOLIDATED STATEMENTS OF FINANCIAL POSITION (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Equity securities, cost	$ 201	$ 201
Other invested assets, fair value	427	430
Due from parent and affiliates	0	40
Payables to parent and affiliates	$ 54	$ 3
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