Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 1,653	$ 1,547	$ 3,276	$ 2,620
Other comprehensive income (loss), net of reclassification adjustments and taxes:
Foreign currency translation gains (losses)	18	7	(155)	(1)
Effective portion of cash flow hedges	(115)	(25)	63	(23)
Net unrealized (losses) gains on available-for-sale securities	(108)	21	32	61
Other	0	0	0	1
Other comprehensive (loss) income, net of tax	(205)	3	(60)	38
Comprehensive income	$ 1,448	$ 1,550	$ 3,216	$ 2,658