Balance Sheet Components (Tables)

12 Months Ended

Dec. 31, 2015

Balance Sheet Components [Abstract]

Property, Plant and Equipment

	December 31,
	2015			2014
	(In millions)
Property and equipment:
Computer equipment and software	$	3,894		$	3,455
Land and buildings, including building improvements	591			535
Leasehold improvements	305			253
Furniture and fixtures	157			158
Construction in progress and other	131			143
	5,078			4,544
Accumulated depreciation	(3,524		)	(3,058		)
	$	1,554		$	1,486