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Asset Retirement Obligations (Tables) | 12 Months Ended
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Dec. 31, 2024
Asset Retirement Obligation Disclosure [Abstract] |
Schedule of Asset Retirement Obligations | A reconciliation of our AROs is as follows:
| Years Ended December 31,
(in millions) | 2024 |  | 2023
AROs, beginning of period | $ | 2,213.4 |  |  | $ | 1,905.6 |
Liabilities incurred | 29.8 |  |  | 22.9 |
Liabilities settled | (253.8) |  |  | (198.5) |
Accretion expense | 111.2 |  |  | 96.1 |
Revisions in estimated cash flows | 541.4 |  |  | 365.1 |
Foreign currency translation | (69.8) |  |  | 22.2 |
AROs, end of period | 2,572.2 |  |  | 2,213.4 |
Less current portion | 352.8 |  |  | 377.4 |
Non-current portion of AROs | $ | 2,219.4 |  |  | $ | 1,836.0 |

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- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481850/410-20-50-1 + Details
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