Stockholders' Equity - Changes in Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ 4,491	$ 4,658	$ 4,403	$ 4,544
Other comprehensive (loss)/income, net of tax	(67)	(18)	(78)	42
Ending balance	4,621	4,580	4,621	4,580
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(828)	(704)	(817)	(764)
Other comprehensive (loss)/income, net of tax	(67)	(18)	(78)	42
Ending balance	(895)	(722)	(895)	(722)
Derivatives Net Unrealized Gains/ (Losses)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			90	4
Other comprehensive (loss)/income, net of tax			(3)	48
Ending balance	87	52	87	52
Net Investment Hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			41	5
Other comprehensive (loss)/income, net of tax			(13)	45
Ending balance	28	50	28	50
Currency Translation Adjustment Net Unrealized Gain/(Losses)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			(944)	(756)
Other comprehensive (loss)/income, net of tax			(66)	(52)
Ending balance	(1,010)	(808)	(1,010)	(808)
Benefit Plans Actuarial Gains/(Losses)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			(4)	(17)
Other comprehensive (loss)/income, net of tax			4	1
Ending balance	$ 0	$ (16)	$ 0	$ (16)