Stockholders' Equity - Changes in Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ 4,960	$ 4,621	$ 4,991	$ 4,403
Other comprehensive loss, net of tax	(6)	81	(12)	3
Ending balance	5,234	5,074	5,234	5,074
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(845)	(895)	(839)	(817)
Other comprehensive loss, net of tax	(6)	81	(12)	3
Ending balance	(851)	(814)	(851)	(814)
Derivatives Net Unrealized Gains/ (Losses)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			85	90
Other comprehensive loss, net of tax			(5)	0
Ending balance	80	90	80	90
Net Investment Hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			18	41
Other comprehensive loss, net of tax			(5)	5
Ending balance	13	46	13	46
Currency Translation Adjustment Net Unrealized Gain/(Losses)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			(944)	(944)
Other comprehensive loss, net of tax			(2)	(6)
Ending balance	(946)	(950)	(946)	(950)
Benefit Plans Actuarial Gains/(Losses)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			2	(4)
Other comprehensive loss, net of tax			0	4
Ending balance	$ 2	$ 0	$ 2	$ 0