Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2015

Property, Plant and Equipment [Abstract]

Property and Equipment

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

	2015			2014
Land	$	592		$	611
Landfills		13,772			13,463
Vehicles		4,257			4,131
Machinery and equipment		2,499			2,470
Containers		2,426			2,377
Buildings and improvements		2,546			2,588
Furniture, fixtures and office equipment		993			985
		27,085			26,625
Less accumulated depreciation on tangible property and equipment		(8,495	)		(8,278	)
Less accumulated landfill airspace amortization		(7,925	)		(7,690	)
	$	10,665		$	10,657

Depreciation and Amortization Expense Including Amortization Expense for Assets Recorded as Capital Leases

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):

	2015		2014		2013
Depreciation of tangible property and equipment	$	760	$	834	$	853
Amortization of landfill airspace		409		380		400
Depreciation and amortization expense	$	1,169	$	1,214	$	1,253