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v3.23.3

Segment and Related Information (Financial Data - Inter-segment Billing) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Segment Reporting Information [Line Items] |  |  |  |
Operating Revenues | $ (2,888) | $ (5,251) | $ (9,351) | $ (14,752)
Reconciliation and Eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating Revenues | 57 | 77 | 165 | 198
Reconciliation and Eliminations | Electric |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating Revenues | 20 | 19 | 55 | 53
Reconciliation and Eliminations | Gas |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating Revenues | 4 | 4 | 13 | 10
Reconciliation and Eliminations | DTE Vantage |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating Revenues | 13 | 15 | 32 | 57
Reconciliation and Eliminations | Energy Trading |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating Revenues | 20 | 39 | 65 | 78
Reconciliation and Eliminations | Corporate and Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating Revenues | $ 0 | $ 0 | $ 0 | $ 0

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