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Income Taxes (Details Textuals) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Operating Loss Carryforwards [Line Items] |  |  |
Accounts receivable | $ 1,690,000,000 | $ 1,632,000,000 |
Deferred tax asset, general business tax credit carryforwards | 1,600,000,000 |  |
State and local net operating loss carryforwards | 68,000,000 | 76,000,000 |
Valuation allowance | 25,000,000 | 39,000,000 |
Unrecognized tax benefits | 0 | 0 |
Interest expense on income taxes | 0 | 0 | $ 0
Accrued interest on income taxes | 0 | 0 | 5,000,000
Penalties accrued on income taxes |  |  | 0
State and local net operating loss carryforwards |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Valuation allowance | 16,000,000 | 19,000,000 |
Charitable Contributions Carryforward |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Valuation allowance | 3,000,000 | 20,000,000 |
Federal |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Net operating loss carryforward | 904,000,000 |  |
DTE Electric |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
State and local net operating loss carryforwards | 42,000,000 | 49,000,000 |
Valuation allowance | 5,000,000 | 0 |
Unrecognized tax benefits | 0 | 0 |
Interest expense on income taxes | 0 | 0 | 1,000,000
Accrued interest on income taxes | 0 | 0 | 8,000,000
Penalties accrued on income taxes |  |  | $ 0
DTE Electric | General Business Credits |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Tax credit carryforwards | 583,000,000 |  |
DTE Electric | Federal |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Net operating loss carryforward | 142,000,000 |  |
DTE Electric | Affiliates |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Accounts receivable | 6,000,000 | 12,000,000 |
DTE Electric | Federal Income Taxes | DTE Energy |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Accounts receivable | $ 5,000,000 | $ 7,000,000 |

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