Property and Equipment, net (Tables)

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Schedule of Property and Equipment, Net

Property and equipment, net consisted of:

	As of December 31,
	2014			2013
Land	$	51		$	56
Buildings and leasehold improvements	565			549
Capitalized software	485			494
Furniture, fixtures and equipment	392			374
Projects in process	82			64
Buses and support vehicles	78			74
	1,653			1,611
Less: Accumulated depreciation and amortization	(1,015		)	(997		)
Property and equipment, net	$	638		$	614