Deferred Policy Acquisition Costs, Value of Business Acquired and Other Policy-Related Intangibles (DSI) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net [Abstract]
Beginning Balance of DSI	$ 293	$ 295	$ 362
Capitalization of DSI	1	1	2
Amortization of DSI	(15)	(3)	(69)
Ending Balance of DSI	$ 279	$ 293	$ 295