Property and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2015

Property, Plant and Equipment [Abstract]

Property and equipment, net

Property and equipment, net was comprised of the following (amounts in millions):

	At December 31,
	2015			2014
Land	$	1		$	1
Buildings	4			4
Leasehold improvements	109			104
Computer equipment	431			347
Office furniture and other equipment	52			45
Total cost of property and equipment	597			501
Less accumulated depreciation	(408		)	(344		)
Property and equipment, net	$	189		$	157