Property and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2018

Property, Plant and Equipment [Abstract]

Property and equipment, net

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

	At December 31,
	2018			2017
Land	$	1		$	1
Buildings	4			4
Leasehold improvements	248			224
Computer equipment	700			658
Office furniture and other equipment	99			92
Total cost of property and equipment	1,052			979
Less accumulated depreciation	(770		)	(685		)
Property and equipment, net	$	282		$	294