CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 876	$ 580	$ 1,496	$ 1,084
Other comprehensive income (loss):
Foreign currency translation adjustments, net of tax	9	4	5	(11)
Unrealized gains (losses) on forward contracts designated as hedges, net of tax	(2)	(10)	27	(9)
Unrealized gains (losses) on available-for-sale securities, net of tax	0	0	(3)	5
Total other comprehensive income (loss)	7	(6)	29	(15)
Comprehensive income	$ 883	$ 574	$ 1,525	$ 1,069