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v3.24.1.u1

Segment and Related Information (Financial Data - Inter-segment Billing) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Segment Reporting Information [Line Items] |  |
Operating Revenues | $ (3,240) | $ (3,779)
Reconciliation and Eliminations |  |
Segment Reporting Information [Line Items] |  |
Operating Revenues | 58 | 59
Reconciliation and Eliminations | Electric |  |
Segment Reporting Information [Line Items] |  |
Operating Revenues | 18 | 17
Reconciliation and Eliminations | Gas |  |
Segment Reporting Information [Line Items] |  |
Operating Revenues | 4 | 5
Reconciliation and Eliminations | DTE Vantage |  |
Segment Reporting Information [Line Items] |  |
Operating Revenues | 11 | 10
Reconciliation and Eliminations | Energy Trading |  |
Segment Reporting Information [Line Items] |  |
Operating Revenues | 25 | 27
Reconciliation and Eliminations | Corporate and Other |  |
Segment Reporting Information [Line Items] |  |
Operating Revenues | $ 0 | $ 0

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