CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 746	$ 402	$ 4,158	$ 920
Other comprehensive income (loss), net of reclassification adjustments:
Foreign currency translation gains (losses)	49	(20)	(64)	(52)
Unrealized gains (losses) on investments, net	32	16	1	56
Tax benefit (expense) on unrealized gains (losses) on investments, net	(8)	(5)	0	(15)
Unrealized gains (losses) on hedging activities, net	(47)	11	0	(30)
Tax benefit (expense) on unrealized gains (losses) on hedging activities, net	10	(2)	0	7
Other comprehensive income (loss), net of tax	36	0	(63)	(34)
Comprehensive income (loss)	$ 782	$ 402	$ 4,095	$ 886