CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 641	$ 3,412
Other comprehensive income (loss), net of reclassification adjustments:
Foreign currency translation gains (losses)	(117)	(113)
Unrealized gains (losses) on investments, net	(3)	(31)
Tax benefit (expense) on unrealized gains (losses) on investments, net	0	8
Unrealized gains (losses) on hedging activities, net	74	47
Tax benefit (expense) on unrealized gains (losses) on hedging activities, net	(17)	(10)
Other comprehensive income (loss), net of tax	(63)	(99)
Comprehensive income	$ 578	$ 3,313