UNAUDITED 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
Other comprehensive income (loss), net of tax
Net income	$ 801	$ 1,950	$ 224	$ 3,694
Foreign currency translation adjustments, net of tax	42	(35)	(3)	(63)
Net unrealized (losses) gains on available-for-sale securities, net of tax	(5)	0	(2)	114
Total other comprehensive income (loss), net of tax	37	(35)	(5)	51
Comprehensive income	$ 838	$ 1,915	$ 219	$ 3,745