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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 Change in Asset Retirement Obligations | Changes to Asset retirement obligations for 2024, 2023, and 2022 were as follows:
| 2024 |  | 2023 |  | 2022
DTE Energy | (In millions)
Asset retirement obligations at January 1 | $ | 3,556 |  |  | $ | 3,460 |  |  | $ | 3,162 |
Accretion | 211 |  |  | 198 |  |  | 184 |
Liabilities incurred(a) | 324 |  |  | 7 |  |  | 24 |
Liabilities settled | (14) |  |  | (96) |  |  | (7) |
Revision in estimated cash flows | (46) |  |  | (13) |  |  | 97 |
Asset retirement obligations at December 31 | $ | 4,031 |  |  | $ | 3,556 |  |  | $ | 3,460 |
_______________________________________ (a)Liabilities incurred was primarily due to the impact of the Coal Combustion Residuals on DTE Electric's coal ash storage facility asset retirement obligations. Refer to Note 17 to the Consolidated Financial Statements, "Commitments and Contingencies."
| 2024 |  | 2023 |  | 2022
DTE Electric | (In millions)
Asset retirement obligations at January 1 | $ | 3,326 |  |  | $ | 3,221 |  |  | $ | 2,932 |
Accretion | 199 |  |  | 185 |  |  | 172 |
Liabilities incurred(a) | 323 |  |  | 4 |  |  | 22 |
Liabilities settled | (11) |  |  | (81) |  |  | (2) |
Revision in estimated cash flows | (46) |  |  | (3) |  |  | 97 |
Asset retirement obligations at December 31 | $ | 3,791 |  |  | $ | 3,326 |  |  | $ | 3,221 |
_______________________________________ (a)Liabilities incurred was primarily due to the impact of the Coal Combustion Residuals on DTE Electric's coal ash storage facility asset retirement obligations. Refer to Note 17 to the Consolidated Financial Statements, "Commitments and Contingencies."

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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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