Income Taxes - Current and Deferred Amounts of Provision (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Current:
Federal	$ (77)	$ (82)	$ (191)
State and municipal	(6)	(13)	(16)
Foreign	(171)	(148)	(250)
Deferred:
Federal	63	76	52
State and municipal	6	7	8
Foreign	(36)	(8)	(14)
Provision for income taxes	$ (221)	$ (168)	$ (411)