Information about Segments and Geographic Areas (Tables)

6 Months Ended

Jun. 30, 2015

Segment Reporting [Abstract]

Schedule of Revenue from External Customers and Long-lived Assets by Geographical Areas

The following tables set forth revenues and long-lived assets by geographic area (in millions):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2014		2015		2014		2015
	(unaudited)
Revenues:
United States(1)	$	6,958	$	8,048	$	13,853	$	15,769
United Kingdom	1,616		1,678		3,199		3,353
Rest of the world(1)	7,381		8,001		14,323		15,863
Total revenues	$	15,955	$	17,727	$	31,375	$	34,985
(1) In the second quarter of 2015, we identified an incorrect classification of certain revenues between legal entities. We revised the classification of such revenues between Rest of the world and U.S. for prior periods. Please refer to Note 1 and Note 15 for further information.

	As of December 31, 2014		As of June 30, 2015
			(unaudited)
Long-lived assets:
United States	$	37,355	$	41,379
International	13,093		13,264
Total long-lived assets	$	50,448	$	54,643