CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 664	$ 310	$ 4,822	$ 1,230
Other comprehensive income (loss), net of reclassification adjustments:
Foreign currency translation gains (losses)	121	(133)	57	(185)
Unrealized gains (losses) on investments, net	0	3	1	59
Tax benefit (expense) on unrealized gains (losses) on investments, net	0	0	0	(15)
Unrealized gains (losses) on hedging activities, net	(41)	35	(41)	5
Tax benefit (expense) on unrealized gains (losses) on hedging activities, net	10	(8)	10	(1)
Other comprehensive income (loss), net of tax	90	(103)	27	(137)
Comprehensive income	$ 754	$ 207	$ 4,849	$ 1,093