Deferred Policy Acquisition Costs, Value of Business Acquired and Other Policy-Related Intangibles (Negative VOBA) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Finite Lived Intangible Liabilities
Balance at January 1,	$ 623	$ 738	$ 750
Amortization of negative VOBA	(41)	(34)	(45)
Effect of foreign currency translation and other	(63)	(81)	33
Balance at December 31,	519	623	738
Accumulated amortization	$ 3,383	$ 3,342	$ 3,308