Stockholders' Equity - Changes in Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ 4,621	$ 4,580	$ 4,403	$ 4,544
Other comprehensive income/(loss), net of tax	81	(87)	3	(45)
Ending balance	5,074	4,662	5,074	4,662
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(895)	(722)	(817)	(764)
Other comprehensive income/(loss), net of tax	81	(87)	3	(45)
Ending balance	(814)	(809)	(814)	(809)
Derivatives Net Unrealized Gains/ (Losses)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			90	4
Other comprehensive income/(loss), net of tax			0	78
Ending balance	90	82	90	82
Net Investment Hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			41	5
Other comprehensive income/(loss), net of tax			5	84
Ending balance	46	89	46	89
Currency Translation Adjustment Net Unrealized Gain/(Losses)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			(944)	(756)
Other comprehensive income/(loss), net of tax			(6)	(208)
Ending balance	(950)	(964)	(950)	(964)
Benefit Plans Actuarial Gains/(Losses)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			(4)	(17)
Other comprehensive income/(loss), net of tax			4	1
Ending balance	$ 0	$ (16)	$ 0	$ (16)