Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Property and Equipment

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

	2014			2013
Land	$	611		$	636
Landfills		13,463			13,416
Vehicles		4,131			4,115
Machinery and equipment(a)		2,470			3,888
Containers		2,377			2,449
Buildings and improvements(a)		2,588			3,594
Furniture, fixtures and office equipment		985			969
		26,625			29,067
Less accumulated depreciation on tangible property and equipment		(8,278	)		(9,205	)
Less accumulated landfill airspace amortization		(7,690	)		(7,518	)
	$	10,657		$	12,344

(a) The decreases at December 31, 2014 are primarily related to the sale of our Wheelabrator business as discussed further in Note 19.

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):

	2014		2013		2012
Depreciation of tangible property and equipment	$	834	$	853	$	833
Amortization of landfill airspace		380		400		395
Depreciation and amortization expense	$	1,214	$	1,253	$	1,228