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Landfill and Environmental Remediation Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2024
Landfill and Environmental Remediation Liabilities |
Liabilities for Landfill and Environmental Remediation Costs | Liabilities for landfill and environmental remediation costs as of December 31 are presented in the table below (in millions):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 2024 | ​ | 2023
​ | ​ | ​ | ​ | ​ | Environmental | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Environmental | ​ | ​ | ​
​ |  | Landfill |  | Remediation |  | Total |  | Landfill |  | Remediation |  | Total
Current (in accrued liabilities) |  | $ | 177 | ​ | $ | 54 | ​ | $ | 231 | ​ | $ | 143 | ​ | $ | 31 | ​ | $ | 174
Long-term | ​ |  | 2,880 | ​ |  | 168 | ​ |  | 3,048 |  |  | 2,710 | ​ |  | 178 | ​ |  | 2,888
​ |  | $ | 3,057 | ​ | $ | 222 | ​ | $ | 3,279 | ​ | $ | 2,853 | ​ | $ | 209 | ​ | $ | 3,062
Changes to Landfill and Environmental Remediation Liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Environmental
​ |  | Landfill |  | Remediation
December 31, 2023 | ​ | $ | 2,853 | ​ | $ | 209
Obligations incurred and capitalized | ​ |  | 91 |  |  | —
Obligations settled | ​ |  | (136) |  |  | (23)
Interest accretion | ​ |  | 133 |  |  | —
Revisions in estimates and interest rate assumptions | ​ |  | 121 |  |  | 36
Acquisitions, divestitures and other adjustments | ​ |  | (5) |  |  | —
December 31, 2024 | ​ | $ | 3,057 | ​ | $ | 222
​

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- Definition Tabular disclosure of material liabilities for remediation, site restoration, postclosure, monitoring commitments, or other exit costs that may occur on the sale, disposal or abandonment of a property as a result of unanticipated contamination of the assets. + 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.Q4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480102/450-20-S99-1 + Details
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- Definition Asset Retirement Obligation And Environmental Remediation Rollforward Analysis Table [Text Block] + References No definition available. + Details
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