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Property, Plant, and Equipment (Summary of Property by Classification) (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Property, Plant, and Equipment [Line Items] |  |
Property, plant, and equipment | $ 40,840 | $ 37,274
Accumulated depreciation and amortization | (9,947) | (9,105)
Net property, plant, and equipment | 30,893 | 28,169
DTE Vantage |  |
Property, Plant, and Equipment [Line Items] |  |
Property, plant, and equipment | 1,135 | 1,075
Accumulated depreciation and amortization | (520) | (479)
Other |  |
Property, Plant, and Equipment [Line Items] |  |
Property, plant, and equipment | 272 | 234
Accumulated depreciation and amortization | (78) | (66)
DTE Electric |  |
Property, Plant, and Equipment [Line Items] |  |
Property, plant, and equipment | 30,801 | 27,936
Accumulated depreciation and amortization | (7,404) | (6,570)
Net property, plant, and equipment | 23,397 | 21,366
DTE Electric | Distribution |  |
Property, Plant, and Equipment [Line Items] |  |
Property, plant, and equipment | 14,995 | 13,673
Accumulated depreciation and amortization | (3,513) | (3,205)
DTE Electric | Dispatchable generation |  |
Property, Plant, and Equipment [Line Items] |  |
Property, plant, and equipment | 8,428 | 7,969
Accumulated depreciation and amortization | (2,146) | (1,872)
DTE Electric | Renewable generation |  |
Property, Plant, and Equipment [Line Items] |  |
Property, plant, and equipment | 3,933 | 3,074
Accumulated depreciation and amortization | (615) | (524)
DTE Electric | Other |  |
Property, Plant, and Equipment [Line Items] |  |
Property, plant, and equipment | 3,445 | 3,220
Accumulated depreciation and amortization | (1,130) | (969)
DTE Gas |  |
Property, Plant, and Equipment [Line Items] |  |
Property, plant, and equipment | 8,632 | 8,029
Accumulated depreciation and amortization | (1,945) | (1,990)
DTE Gas | Distribution |  |
Property, Plant, and Equipment [Line Items] |  |
Property, plant, and equipment | 6,334 | 5,838
Accumulated depreciation and amortization | (1,319) | (1,365)
DTE Gas | Other |  |
Property, Plant, and Equipment [Line Items] |  |
Property, plant, and equipment | 500 | 481
Accumulated depreciation and amortization | (210) | (193)
DTE Gas | Transmission |  |
Property, Plant, and Equipment [Line Items] |  |
Property, plant, and equipment | 1,212 | 1,132
Accumulated depreciation and amortization | (278) | (300)
DTE Gas | Storage |  |
Property, Plant, and Equipment [Line Items] |  |
Property, plant, and equipment | 586 | 578
Accumulated depreciation and amortization | $ (138) | $ (132)

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