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Landfill and Environmental Remediation Liabilities (Tables) | 9 Months Ended
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Sep. 30, 2017
Landfill and Environmental Remediation Liabilities |
Liabilities for Landfill and Environmental Remediation Costs | Liabilities for landfill and environmental remediation costs are presented in the table below (in millions):
|  | September 30, 2017 |  | December 31, 2016
|  |  |  |  | Environmental |  |  |  |  |  |  |  | Environmental |  |  |
|  | Landfill |  | Remediation |  | Total |  | Landfill |  | Remediation |  | Total
Current (in accrued liabilities) |  | $ | 140 |  | $ | 23 |  | $ | 163 |  | $ | 119 |  | $ | 28 |  | $ | 147
Long-term |  |  | 1,500 |  |  | 227 |  |  | 1,727 |  |  | 1,457 |  |  | 218 |  |  | 1,675
|  | $ | 1,640 |  | $ | 250 |  | $ | 1,890 |  | $ | 1,576 |  | $ | 246 |  | $ | 1,822
Changes to Landfill and Environmental Remediation Liabilities | The changes to landfill and environmental remediation liabilities for the nine months ended September 30, 2017 are reflected in the table below (in millions):
|  |  |  |  | Environmental
|  | Landfill |  | Remediation
December 31, 2016 |  | $ | 1,576 |  | $ | 246
Obligations incurred and capitalized |  |  | 51 |  |  | —
Obligations settled |  |  | (74) |  |  | (14)
Interest accretion |  |  | 68 |  |  | 2
Revisions in estimates and interest rate assumptions (a) |  |  | 14 |  |  | 16
Acquisitions, divestitures and other adjustments |  |  | 5 |  |  | —
September 30, 2017 |  | $ | 1,640 |  | $ | 250

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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/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.Y.Q4) -URI http://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751 + 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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