Balance Sheet Components (Tables)

12 Months Ended

Dec. 31, 2013

Balance Sheet Components [Abstract]

Property, Plant and Equipment

	As of December 31,
	2013			2012
	(In millions)
Property and equipment:
Computer equipment and software	$	5,179		$	4,170
Land and buildings, including building improvements	931			807
Leasehold improvements	512			413
Furniture and fixtures	290			220
Construction in progress and other	208			347
	7,120			5,957
Accumulated depreciation	(4,360		)	(3,466		)
	$	2,760		$	2,491