| Landfill and Environmental Remediation Liabilities Liabilities for landfill and environmental remediation costs are presented in the table below (in millions): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | September 30, 2026 | | December 31, 2025 | | Landfill | | Environmental
Remediation | | Total | | Landfill | | Environmental
Remediation | | Total | | Current (in accrued liabilities) | $ | 171 | | | $ | 44 | | | $ | 215 | | | $ | 186 | | | $ | 72 | | | $ | 258 | | | Long-term | 3,195 | | | 176 | | | 3,371 | | | 3,119 | | | 159 | | | 3,278 | | | $ | 3,366 | | | $ | 220 | | | $ | 3,586 | | | $ | 3,305 | | | $ | 231 | | | $ | 3,536 | |
The changes to landfill and environmental remediation liabilities for the nine months ended September 30, 2026 are reflected in the table below (in millions): | | | | | | | | | | | | | Landfill | | Environmental
Remediation | | December 31, 2025 | $ | 3,305 | | | $ | 231 | | | Obligations incurred and capitalized | 69 | | | — | | | Obligations settled | (114) | | | (25) | | | Interest accretion | 117 | | | — | | | Revisions in estimates | (8) | | | 14 | | | Acquisitions, divestitures and other adjustments | (3) | | | — | | | September 30, 2026 | $ | 3,366 | | | $ | 220 | |
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