Stockholders' Equity - Changes in Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ 4,770	$ 4,991
Other comprehensive loss, net of tax	(77)	(2)
Ending balance	4,655	5,052
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(940)	(839)
Other comprehensive loss, net of tax	(77)	(2)
Ending balance	(1,017)	(841)
Derivatives Net Unrealized Gains/ (Losses)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	89	85
Other comprehensive loss, net of tax	(13)	0
Ending balance	76	85
Net Investment Hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	62	18
Other comprehensive loss, net of tax	(33)	16
Ending balance	29	34
Currency Translation Adjustment Net Unrealized Gain/(Losses)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(1,091)	(944)
Other comprehensive loss, net of tax	(31)	(18)
Ending balance	(1,122)	(962)
Benefit Plans Actuarial Gains/(Losses)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	0	2
Other comprehensive loss, net of tax	0	0
Ending balance	$ 0	$ 2