Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 2,017	$ 1,863	$ 5,787	$ 5,139
Other comprehensive income (loss), net of reclassification adjustments and taxes:
Foreign currency translation gains (losses)	9	(86)	25	(241)
Effective portion of cash flow hedges	(16)	(53)	(201)	10
Net unrealized (losses) gains on available-for-sale securities	(27)	(35)	515	(3)
Other	1	5	2	5
Other comprehensive (loss) income, net of taxes	(33)	(169)	341	(229)
Comprehensive income	$ 1,984	$ 1,694	$ 6,128	$ 4,910

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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