CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 1,510	$ 512
Other comprehensive income (loss):
Change in foreign currency translation adjustment, net of tax	137	(223)
Change in unrealized gain/loss on available-for-sale investments and other, net of tax	42	4
Comprehensive income	$ 1,689	$ 293