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v3.25.2

Landfill and Environmental Remediation Liabilities - Changes (Detail) $ in Millions | 6 Months Ended
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Jun. 30, 2025 USD ($)
Landfill and Environmental Remediation Liabilities |
Ending balance, environmental remediation | $ 217
Landfill [Member] |
Landfill and Environmental Remediation Liabilities |
Beginning balance, landfill | 3,057
Obligations incurred and capitalized | 42
Obligations settled | (73)
Interest accretion | 71
Acquisitions, divestitures and other adjustments | 7
Ending balance, landfill | 3,104
Environmental Remediation Liabilities [Member] |
Landfill and Environmental Remediation Liabilities |
Beginning balance, environmental remediation | 222
Obligations settled | (10)
Revisions in estimates and interest rate assumptions | 5
Ending balance, environmental remediation | $ 217

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- Definition Amount of expense (reversal of expense) which increases (decreases) the accrual for environmental loss contingencies from revisions in estimates to existing obligations. Excludes changes related to business acquisitions, divestitures, or currency movement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.Y.Q1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480102/450-20-S99-1 + Details
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