Deferred Policy Acquisition Costs, Value of Business Acquired, Unearned Revenue and Other Intangibles (Negative VOBA) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Finite Lived Intangible Liabilities
Balance at January 1,	$ 427	$ 473	$ 557
Amortization	(25)	(26)	(29)
Effect of foreign currency translation and other	(33)	(20)	(55)
Balance at December 31,	369	427	473
Accumulated amortization	$ 3,423	$ 3,398	$ 3,372