Condensed Consolidated Statements 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	$ 2,021	$ 1,968	$ 5,649	$ 6,139
Other comprehensive (loss) income, net of reclassification adjustments and taxes:
Gains (losses) on foreign currency translation	14	(39)	(41)	(56)
(Losses) gains on cash flow hedges	(128)	86	(305)	27
Gains (losses) on available-for-sale securities	1	30	(20)	404
Other	(7)	0	(9)	6
Other comprehensive (loss) income, net of taxes	(120)	77	(375)	381
Comprehensive income	$ 1,901	$ 2,045	$ 5,274	$ 6,520