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Commitments and Contingencies (Details Textuals) | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2022 USD ($) | Dec. 31, 2023 USD ($) employee site facility | Dec. 31, 2022 USD ($)
Loss Contingencies [Line Items] |  |  |
Capital expenditures estimated for next year |  | $ 4,700,000,000 |
Labor force concentration risk | Workforce subject to collective bargaining arrangements |  |  |
Loss Contingencies [Line Items] |  |  |
Approximate number of employees | employee |  | 4,900 |
Percentage of total employees |  | 49.00% |
Labor force concentration risk | Workforce subject to collective bargaining arrangements expiring within one year |  |  |
Loss Contingencies [Line Items] |  |  |
Percentage of total employees |  | 1.00% |
Reduced emissions fuel guarantees |  |  |
Loss Contingencies [Line Items] |  |  |
Number of days after expiration of statutes of limitations |  | 90 days |
Maximum potential liability |  | $ 414,000,000 |
Other guarantees |  |  |
Loss Contingencies [Line Items] |  |  |
Maximum potential liability |  | 44,000,000 |
Performance surety bonds |  |  |
Loss Contingencies [Line Items] |  |  |
Performance bonds outstanding |  | 334,000,000 |
Performance surety bonds | Energy Trading |  |  |
Loss Contingencies [Line Items] |  |  |
Performance bonds outstanding |  | $ 130,000,000 |
Performance surety bonds | Energy Trading | Minimum |  |  |
Loss Contingencies [Line Items] |  |  |
Performance bonds term |  | 1 year |
Performance surety bonds | Energy Trading | Maximum |  |  |
Loss Contingencies [Line Items] |  |  |
Performance bonds term |  | 3 years |
DTE Electric |  |  |
Loss Contingencies [Line Items] |  |  |
Environmental capital expenditures |  | $ 2,400,000,000 |
Estimated capital expenditures |  | $ 0 |
Number of former MGP sites | site |  | 3 |
Accrued for remediation related to the sites |  | $ 9,000,000 | $ 10,000,000
Number of permitted engineered coal ash storage facilities owned | facility |  | 3 |
Capital expenditures estimated for next year |  | $ 3,400,000,000 |
DTE Electric | Ludington Plant Contract Dispute | Pending Litigation |  |  |
Loss Contingencies [Line Items] |  |  |
Damages sought, percentage liable | 49.00% |  |
DTE Electric | Labor force concentration risk | Workforce subject to collective bargaining arrangements |  |  |
Loss Contingencies [Line Items] |  |  |
Approximate number of employees | employee |  | 2,550 |
Percentage of total employees |  | 57.00% |
DTE Electric | Labor force concentration risk | Workforce subject to collective bargaining arrangements expiring within one year |  |  |
Loss Contingencies [Line Items] |  |  |
Percentage of total employees |  | 0.00% |
DTE Electric | Performance surety bonds |  |  |
Loss Contingencies [Line Items] |  |  |
Performance bonds outstanding |  | $ 159,000,000 |
DTE Gas |  |  |
Loss Contingencies [Line Items] |  |  |
Number of former MGP sites | site |  | 14 |
Accrued for remediation related to the sites |  | $ 26,000,000 | $ 23,000,000
Amortization period for MGP costs (in years) |  | 10 years |
DTE Gas | Cleanup completed and site closed |  |  |
Loss Contingencies [Line Items] |  |  |
Number of former MGP sites | site |  | 8 |
DTE Gas | Partial closure completed |  |  |
Loss Contingencies [Line Items] |  |  |
Number of former MGP sites | site |  | 4 |
Toshiba America Energy Systems and Toshiba Corporation | DTE Electric and Consumers Energy Company | Ludington Plant Contract Dispute | Pending Litigation |  |  |
Loss Contingencies [Line Items] |  |  |
Damages sought | $ 15,000,000 |  |
CCR and ELG Rules | DTE Electric |  |  |
Loss Contingencies [Line Items] |  |  |
Estimated impact of the CCR and ELG rules |  | $ 427,000,000 |
Estimated impact of the CCR and ELG rules for 2024 through 2028 |  | $ 417,000,000 |

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