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v3.25.3

Segment and Related Information (Inter-segment Billing for Goods and Services) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | $ (3,527) | $ (2,906) | $ (11,386) | $ (9,021)
Inter-segment billing relating to Non-utility operations | (1,304) | (1,003) | (4,877) | (3,083)
Reclassifications and Eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 75 | 51 | 260 | 157
Inter-segment billing relating to Non-utility operations | 52 | 29 | 195 | 93
Reclassifications and Eliminations | Electric segment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 17 | 18 | 53 | 54
Reclassifications and Eliminations | Gas segment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 7 | 5 | 15 | 12
Reclassifications and Eliminations | DTE Vantage segment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 7 | 7 | 58 | 25
Reclassifications and Eliminations | Energy Trading segment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | $ 44 | $ 21 | $ 134 | $ 66

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- Details
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