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	$ 11,247	$ 7,068	$ 25,042	$ 23,672
Other comprehensive income (loss):
Change in foreign currency translation adjustment	459	(408)	193	(326)
Available-for-sale investments:
Change in net unrealized gains (losses)	(19)	153	1,346	1,613
Less: reclassification adjustment for net (gains) losses included in net income	(73)	(39)	(391)	(107)
Net change, net of tax benefit (expense) of $(32), $27, $(223) and $(274)	(92)	114	955	1,506
Cash flow hedges:
Change in net unrealized gains (losses)	(48)	264	244	209
Less: reclassification adjustment for net (gains) losses included in net income	23	(75)	(114)	(249)
Net change, net of tax benefit (expense) of $(46), $8, $(23) and $(38)	(25)	189	130	(40)
Other comprehensive income (loss)	342	(105)	1,278	1,140
Comprehensive income	$ 11,589	$ 6,963	$ 26,320	$ 24,812