CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 3,979	$ 2,739	$ 11,425	$ 9,461
Other comprehensive income (loss):
Change in foreign currency translation adjustment	(145)	(677)	(850)	(623)
Available-for-sale investments:
Change in net unrealized gains (losses)	(389)	(195)	(504)	250
Less: reclassification adjustment for net (gains) losses included in net income	4	(15)	(73)	(122)
Net change (net of tax effect of $66, $2, $38, and $29)	(385)	(210)	(577)	128
Cash flow hedges:
Change in net unrealized gains	79	310	580	304
Less: reclassification adjustment for net (gains) losses included in net income	(212)	(7)	(772)	(16)
Net change (net of tax effect of $122, $58, $113, and $68)	(133)	303	(192)	288
Other comprehensive income (loss)	(663)	(584)	(1,619)	(207)
Comprehensive income	$ 3,316	$ 2,155	$ 9,806	$ 9,254