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Asset Retirement Obligations | 3 Months Ended
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Mar. 31, 2024
Asset Retirement Obligation Disclosure [Abstract] |
Asset Retirement Obligations | Asset Retirement Obligations Asset retirement obligations consist primarily of rehabilitation and restoration costs, landfill capping costs, decommissioning costs, and closure and post-closure costs. Activities related to asset retirement obligations were as follows:
| Three Months Ended March 31, |  |
| 2024 |  | 2023 |  |  |  |
Beginning balance | $ | 186 |  |  | $ | 161 |  |  |  |  |
Additions | 5 |  |  | 1 |  |  |  |  |
Accretion expense | 5 |  |  | 4 |  |  |  |  |
Remeasurement/translation | (7) |  |  | (2) |  |  |  |  |
Other, including change in estimates | — |  |  | (3) |  |  |  |  |
Settlements/payments | (1) |  |  | (3) |  |  |  |  |
Balance, March 31, | $ | 188 |  |  | $ | 158 |  |  |  |  |
| March 31, 2024 |  | December 31, 2023
Current portion included in “Accrued liabilities” | $ | 12 |  |  | $ | 14 |
Noncurrent portion included in “Asset retirement obligations” | 176 |  |  | 172 |
Asset retirement obligations | $ | 188 |  |  | $ | 186 |

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- Definition The entire disclosure for an asset retirement obligation and the associated long-lived asset. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481850/410-20-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//410-20/tableOfContent Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 20 -Topic 410 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481850/410-20-50-2 + Details
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