Shareholders' Equity - 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
Changes in Accumulated Other Comprehensive Income [Roll Forward]
Balance at beginning of period	$ 15,201	$ 15,004	$ 15,010	$ 13,794
Balance at end of period	15,284	14,844	15,284	14,844
Accumulated Other Comprehensive Income (Loss)
Changes in Accumulated Other Comprehensive Income [Roll Forward]
Balance at beginning of period	(1,323)	(1,034)	(1,373)	(1,273)
Balance at end of period	(1,312)	(1,226)	(1,312)	(1,226)
Unrealized gain (loss) on hedges
Changes in Accumulated Other Comprehensive Income [Roll Forward]
Balance at beginning of period	(73)	19	(21)	(77)
Other comprehensive income (loss), net of tax	11	21	(42)	116
Balance at end of period	(63)	39	(63)	39
Defined benefit plans
Changes in Accumulated Other Comprehensive Income [Roll Forward]
Balance at beginning of period	1	0	1	1
Other comprehensive income (loss), net of tax	0	0	0	0
Balance at end of period	1	0	1	0
Foreign currency translation adjustment
Changes in Accumulated Other Comprehensive Income [Roll Forward]
Balance at beginning of period	(1,251)	(1,053)	(1,351)	(1,197)
Other comprehensive income (loss), net of tax	0	(213)	102	(69)
Balance at end of period	$ (1,250)	$ (1,266)	$ (1,250)	$ (1,266)