Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
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-Section 50
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 210
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-Section S99
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-Subparagraph (SX 210.5-02.14)
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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(13))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(14))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher FASB
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(8))
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Property and Equipment - Property and Equipment (Detail) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment
Property and equipment , gross	$ 29,263	$ 28,102
Less accumulated depreciation and amortization	(17,704)	(17,152)
Property, Plant and Equipment, Net, Total	11,559	10,950	$ 10,665
Land [Member]
Property, Plant and Equipment
Property and equipment , gross	624	608
Landfill [Member]
Property, Plant and Equipment
Property and equipment , gross	14,904	14,276
Vehicles [Member]
Property, Plant and Equipment
Property and equipment , gross	4,750	4,433
Machinery and Equipment [Member]
Property, Plant and Equipment
Property and equipment , gross	2,824	2,639
Containers [Member]
Property, Plant and Equipment
Property and equipment , gross	2,571	2,469
Building and Improvements [Member]
Property, Plant and Equipment
Property and equipment , gross	2,846	2,667
Furniture, Fixtures and Office Equipment [Member]
Property, Plant and Equipment
Property and equipment , gross	744	1,010
Tangible Property and Equipment [Member]
Property, Plant and Equipment
Less accumulated depreciation and amortization	(8,916)	(8,812)
Landfill Airspace [Member]
Property, Plant and Equipment
Less accumulated depreciation and amortization	$ (8,788)	$ (8,340)