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v3.25.3

Organization and Basis of Presentation (Details Textuals) customer in Millions, $ in Millions | Sep. 30, 2025 USD ($) customer
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Variable Interest Entity [Line Items] |
Number of electric utility customers | customer | 2.3
Number of gas utility customers | customer | 1.3
Material potential exposure | $ | $ 0
DTE Electric |
Variable Interest Entity [Line Items] |
Material potential exposure | $ | $ 0

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