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Organization and Basis of Presentation (Details Textuals) customer in Millions, $ in Millions | Dec. 31, 2024 USD ($) customer | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
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Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |
Number of electric utility customers | customer | 2.3 |  |
Number of gas utility customers | customer | 1.3 |  |
Variable Interest Entity [Line Items] |  |  |
Material potential exposure | $ 0 |  |
Investments in equity method investees | 128 | $ 166 | $ 165
Amount in excess of carrying amount | 94 | $ 101 |
DTE Electric |  |  |
Variable Interest Entity [Line Items] |  |  |
Material potential exposure | $ 0 |  |

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