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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 ARO Obligations and Related Additions, Reductions and Accretion | The following table presents the balance of ARO obligations as of December 31, 2024 and 2023, along with the activity related to the Company's ARO obligations for the year ended December 31, 2024:
(In millions) |  |  |  |  | Total(a)
Balance as of December 31, 2023 |  |  |  |  | $ | 407 |
Revisions in estimates for current obligations |  |  |  |  | 6 |
Additions |  |  |  |  | 6 |
Spending for current obligations |  |  |  |  | (35) |
Accretion |  |  |  |  | 25 |
Balance as of December 31, 2024 |  |  |  |  | $ | 409 |
(a)Total accretion expense related to asset retirement obligations included in the consolidated statement of cash flows includes accretion and revisions in estimates for asset retirement liabilities on non-operating plants

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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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