Property and Equipment, net

12 Months Ended

Dec. 31, 2017

Property, Plant and Equipment [Abstract]

Property and Equipment, net

10. Property and Equipment, net

Property and equipment, net consisted of:

	As of December 31,
	2017			2016
Land	$	49		$	47
Buildings and leasehold improvements	626			597
Capitalized software	583			524
Furniture, fixtures and equipment	387			354
Projects in process	118			99
Buses and support vehicles	93			91
	1,856			1,712
Less: Accumulated depreciation and amortization	(1,152		)	(1,027		)
Property and equipment, net	$	704		$	685

Depreciation and amortization expense relating to property and equipment during 2017, 2016 and 2015 was $197 million, $188 million and $159 million, respectively (including $95 million, $87 million and $61 million, respectively, of amortization expense relating to capitalized software).