Consolidated Statements of Operations - (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Insurance claims and policyholders benefits, including policyholders' dividends, remeasurement impact	$ (88)	$ (214)	$ (8)
Accounting Standards Update [Extensible Enumeration]	Accounting Standards Update 2018-12 [Member]