Property and Equipment

12 Months Ended

Dec. 31, 2016

Property, Plant and Equipment [Abstract]

Property and Equipment

5. Property and Equipment

Property and equipment at December 31 consisted of the following (in millions):

	2016			2015
Land	$	608		$	592
Landfills		14,276			13,772
Vehicles		4,433			4,257
Machinery and equipment		2,639			2,499
Containers		2,469			2,426
Buildings and improvements		2,667			2,546
Furniture, fixtures and office equipment		1,010			993
		28,102			27,085
Less accumulated depreciation of tangible property and equipment		(8,812	)		(8,495	)
Less accumulated amortization of landfill airspace		(8,340	)		(7,925	)
	$	10,950		$	10,665

Depreciation and amortization expense, including amortization expense for assets recorded as capital leases, was comprised of the following for the years ended December 31 (in millions):

	2016		2015		2014
Depreciation of tangible property and equipment	$	773	$	760	$	834
Amortization of landfill airspace		428		409		380
Depreciation and amortization expense	$	1,201	$	1,169	$	1,214