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Revenue (Revenues Outside the Scope of Topic 606) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Disaggregation of Revenue [Line Items] |  |
Leases | $ 15 | $ 14
Operating segments | Electric segment(a) |  |
Disaggregation of Revenue [Line Items] |  |
Alternative Revenue Program | 1 | 0
Other revenues | 5 | 4
Operating segments | Gas |  |
Disaggregation of Revenue [Line Items] |  |
Alternative Revenue Program | 0 | 6
Other revenues | 3 | 2
Operating segments | DTE Vantage segment |  |
Disaggregation of Revenue [Line Items] |  |
Leases | 15 | 14
Operating segments | Energy Trading segment |  |
Disaggregation of Revenue [Line Items] |  |
Derivatives | $ 1,499 | $ 659

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