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v3.24.0.1

Segment and Related Information (Inter-Segment Billing) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Segment Reporting Information [Line Items] |  |  |
Operating Revenues | $ (12,745) | $ (19,228) | $ (14,964)
Operating Revenues — Non-utility operations | (5,279) | (10,985) | (7,676)
Reclassifications and Eliminations |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating Revenues | 242 | 264 | 711
Operating Revenues — Non-utility operations | 156 | 186 |
Reclassifications and Eliminations | Electric |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating Revenues | 72 | 71 | 64
Operating Revenues — Non-utility operations | 3 | 6 | 4
Reclassifications and Eliminations | Gas |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating Revenues | 17 | 13 | 14
Reclassifications and Eliminations | DTE Vantage |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating Revenues | 68 | 78 | 575
Reclassifications and Eliminations | Energy Trading |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating Revenues | 85 | 102 | 56
Reclassifications and Eliminations | Corporate and Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating Revenues | $ 0 | $ 0 | $ 2

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