Property and Equipment

12 Months Ended

Dec. 31, 2019

Property, Plant and Equipment [Abstract]

Property and Equipment

5.    Property and Equipment

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

	2019		2018
Land	$	656	$	656
Landfills		15,910		15,240
Vehicles		5,344		5,059
Machinery and equipment		3,140		2,988
Containers		2,616		2,588
Buildings and improvements		3,174		2,998
Furniture, fixtures and office equipment		710		677
		31,550		30,206
Less: Accumulated depreciation of tangible property and equipment		(9,331)		(9,107)
Less: Accumulated amortization of landfill airspace		(9,326)		(9,157)
Property and equipment, net	$	12,893	$	11,942

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

	2019		2018		2017
Depreciation of tangible property and equipment	$	893	$	838	$	783
Amortization of landfill airspace		575		538		497
Depreciation and amortization expense	$	1,468	$	1,376	$	1,280