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Property and Equipment - Expense (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Property, Plant and Equipment |  |  |
Depreciation and amortization expense | $ 1,999 | $ 1,671 | $ 1,574
Tangible Property and Equipment [Member] |  |  |
Property, Plant and Equipment |  |  |
Depreciation and amortization expense | 1,125 | 996 | 893
Landfill Airspace [Member] |  |  |
Property, Plant and Equipment |  |  |
Depreciation and amortization expense | 731 | 568 | 575
Property and Equipment [Member] |  |  |
Property, Plant and Equipment |  |  |
Depreciation and amortization expense | $ 1,856 | $ 1,564 | $ 1,468

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- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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