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Landfill and Environmental Remediation Liabilities (Tables) | 6 Months Ended
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Jun. 30, 2018
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):
|  | June 30, 2018 |  | December 31, 2017
|  |  |  |  | Environmental |  |  |  |  |  |  |  | Environmental |  |  |
|  | Landfill |  | Remediation |  | Total |  | Landfill |  | Remediation |  | Total
Current (in accrued liabilities) |  | $ | 130 |  | $ | 28 |  | $ | 158 |  | $ | 128 |  | $ | 28 |  | $ | 156
Long-term |  |  | 1,589 |  |  | 221 |  |  | 1,810 |  |  | 1,547 |  |  | 223 |  |  | 1,770
|  | $ | 1,719 |  | $ | 249 |  | $ | 1,968 |  | $ | 1,675 |  | $ | 251 |  | $ | 1,926
Changes to Landfill and Environmental Remediation Liabilities | The changes to landfill and environmental remediation liabilities for the six months ended June 30, 2018 are reflected in the table below (in millions):
|  |  |  |  | Environmental
|  | Landfill |  | Remediation
December 31, 2017 |  | $ | 1,675 |  | $ | 251
Obligations incurred and capitalized |  |  | 41 |  |  | —
Obligations settled |  |  | (45) |  |  | (10)
Interest accretion |  |  | 47 |  |  | 2
Revisions in estimates and interest rate assumptions |  |  | (7) |  |  | 6
Acquisitions, divestitures and other adjustments |  |  | 8 |  |  | —
June 30, 2018 |  | $ | 1,719 |  | $ | 249

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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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