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Asset Retirement Obligations | 12 Months Ended
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Dec. 31, 2024
Asset Retirement Obligation Disclosure [Abstract] |
Asset Retirement Obligations | Asset Retirement Obligations Activity related to the Company’s asset retirement obligations is as follows:
|  | Year Ended December 31,
(In millions) |  | 2024 |  | 2023 |  | 2022
Balance at beginning of period |  | $ | 289 |  |  | $ | 277 |  |  | $ | 263 |
Liabilities incurred |  | 9 |  |  | 6 |  |  | 10 |
Liabilities settled |  | (7) |  |  | (1) |  |  | (3) |
Liabilities divested |  | — |  |  | (4) |  |  | (2) |
Accretion expense |  | 11 |  |  | 11 |  |  | 9 |
Balance at end of period |  | $ | 302 |  |  | $ | 289 |  |  | $ | 277 |
Less: current asset retirement obligation |  | (11) |  |  | (9) |  |  | (6) |
Noncurrent asset retirement obligation |  | $ | 291 |  |  | $ | 280 |  |  | $ | 271 |

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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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