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Property and Equipment

12 Months Ended

Dec. 31, 2020

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):

​	​	​	​	​	​	​
​		2020			2019
Land	​	$	740	​	$	656
Landfills	​		16,842	​		15,910
Vehicles	​		6,219	​		5,344
Machinery and equipment	​		3,293	​		3,140
Containers	​		2,869	​		2,616
Buildings and improvements	​		3,529	​		3,174
Furniture, fixtures and office equipment	​		751	​	​	710
​	​		34,243	​		31,550
Less: Accumulated depreciation of tangible property and equipment	​		(10,403)	​		(9,331)
Less: Accumulated amortization of landfill airspace	​		(9,692)	​	​	(9,326)
Property and equipment, net	​	$	14,148	​	$	12,893

​

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

​	​	​	​	​	​	​	​	​	​
​		2020			2019			2018
Depreciation of tangible property and equipment	​	$	996	​	$	893	​	$	838
Amortization of landfill airspace	​		568	​	​	575	​	​	538
Depreciation and amortization expense	​	$	1,564	​	$	1,468	​	$	1,376

​

​

We include capitalized costs associated with developing or obtaining internal-use software within long-term other assets, and these costs are amortized over the useful life of the relevant subscription period including any renewal options that are reasonably certain of being exercised. These costs include direct external costs of materials and services used in developing or obtaining the software and internal costs for employees directly associated with the software development project. As of December 31, 2020, total costs capitalized for our internal-use software were $21 million. Additionally, amortization expense for the period was immaterial as substantially all costs incurred to date are related to internal-use software that is currently under development.

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- References

No definition available.

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- Definition

The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 958
-SubTopic 360
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=120429125&loc=d3e99893-112916

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-URI http://asc.fasb.org/topic&trid=2155823

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 958
-SubTopic 360
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=120429125&loc=SL120174063-112916

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 958
-SubTopic 360
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=120429125&loc=d3e99779-112916

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