CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 639	$ 604	$ 2,135	$ 1,688
Other comprehensive income (loss):
Foreign currency translation adjustments, net of tax	(14)	21	(8)	11
Unrealized gains (losses) on forward contracts designated as hedges, net of tax	14	(18)	40	(26)
Unrealized gains (losses) on available-for-sale securities, net of tax	6	(2)	3	1
Total other comprehensive income (loss)	6	1	35	(14)
Comprehensive income	$ 645	$ 605	$ 2,170	$ 1,674