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	$ 7,846	$ 6,091	$ 17,927	$ 11,136
Other comprehensive income (loss):
Change in foreign currency translation adjustment, net of tax	502	(418)	373	(503)
Change in unrealized gain (loss) on available-for-sale investments and other, net of tax	(52)	52	424	414
Comprehensive income	$ 8,296	$ 5,725	$ 18,724	$ 11,047