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Regulatory Matters (Details Textuals) $ in Millions |  |  | 1 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 26, 2023 USD ($) | Feb. 10, 2023 USD ($) | Nov. 30, 2022 | Dec. 31, 2023 USD ($) | Nov. 01, 2023 USD ($) tranche | Sep. 30, 2023 USD ($) | Jun. 22, 2023 USD ($) | Apr. 03, 2023 USD ($) | Dec. 31, 2022 USD ($)
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Face amount issued |  |  |  |  |  | $ 2,300 |  |  |
Reclassification from property, plant, and equipment |  |  |  |  |  | (27,528) |  |  | $ (28,767)
Reclassification to long-term regulatory assets |  |  |  |  |  | 6,715 |  |  | 3,886
DTE Electric |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Reclassification from property, plant, and equipment |  |  |  |  |  | (20,892) |  |  | (22,496)
Reclassification to long-term regulatory assets |  |  |  |  |  | 6,102 |  |  | $ 3,219
DTE Electric | Subsequent Event | Securitization Bonds |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Face amount issued |  |  |  |  | $ 602 |  |  |  |
Number of tranches | tranche |  |  |  |  | 2 |  |  |  |
DTE Electric | 5.97% Securitization Bonds due in 2033 | Subsequent Event | Securitization Bonds |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Face amount issued |  |  |  |  | $ 301 |  |  |  |
DTE Electric | 6.09% Securitization Bonds due in 2038 | Subsequent Event | Securitization Bonds |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Face amount issued |  |  |  |  | 301 |  |  |  |
DTE Electric | Ludington Hydroelectric Pumped Storage |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Ownership interest |  |  | 49.00% |  |  |  |  |  |
Consumers | Ludington Hydroelectric Pumped Storage |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Ownership interest |  |  | 51.00% |  |  |  |  |  |
MPSC | DTE Electric | 2023 Electric Rate Case Filing |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Requested rate increase |  | $ 622 |  |  |  |  |  |  |
Approved return on equity percent |  | 9.90% |  |  |  |  |  |  |
Return on equity requested percent |  | 10.25% |  |  |  |  |  |  |
MPSC | DTE Electric | 2023 Securitization Filing |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Requested securitization of qualified costs |  |  |  |  |  |  |  | $ 496 |
Authorized issuance of securitization bonds for qualified costs, maximum |  |  |  |  |  |  | $ 602 |  |
MPSC | DTE Electric | 2023 Securitization Filing | Forecast |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Securitized Regulatory Assets |  |  |  | $ 594 |  |  |  |  |
MPSC | DTE Electric | 2023 Securitization Filing | Subsequent Event | Securitization Bonds |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Face amount issued |  |  |  |  | $ 602 |  |  |  |
Number of tranches | tranche |  |  |  |  | 2 |  |  |  |
MPSC | DTE Electric | 2023 Securitization Filing | Securitized regulatory asset, tranche one | Maximum | Forecast |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Amortization period for regulatory asset |  |  |  | 10 years |  |  |  |  |
MPSC | DTE Electric | 2023 Securitization Filing | Securitized regulatory asset, tranche two | Maximum | Forecast |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Amortization period for regulatory asset |  |  |  | 15 years |  |  |  |  |
MPSC | DTE Electric | 2023 Securitization Filing | 5.97% Securitization Bonds due in 2033 | Subsequent Event | Securitization Bonds |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Face amount issued |  |  |  |  | $ 301 |  |  |  |
MPSC | DTE Electric | 2023 Securitization Filing | 6.09% Securitization Bonds due in 2038 | Subsequent Event | Securitization Bonds |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Face amount issued |  |  |  |  | $ 301 |  |  |  |
MPSC | DTE Electric | 2023 Securitization Filing | Net book value of the St. Clair and Trenton Channel plants |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Authorized issuance of securitization bonds for qualified costs, maximum |  |  |  |  |  |  | 594 |  |
MPSC | DTE Electric | 2023 Securitization Filing | Other qualified costs |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Authorized issuance of securitization bonds for qualified costs, maximum |  |  |  |  |  |  | $ 8 |  |
MPSC | DTE Electric | Integrated Resource Plan |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Period over which to meet the needs of customers |  |  | 20 years |  |  |  |  |  |
Authorized securitization of plant costs | $ 1,050 |  |  |  |  |  |  |  |
Committed total donations | 38 |  |  |  |  |  |  |  |
MPSC | DTE Electric | Integrated Resource Plan | Scenario, adjustment |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Reclassification from property, plant, and equipment |  |  |  |  |  | 2,700 |  |  |
Reclassification to long-term regulatory assets |  |  |  |  |  | $ 2,700 |  |  |
MPSC | DTE Electric | Integrated Resource Plan | Organizations providing energy support to low-income customers |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Committed annual donations | 2 |  |  |  |  |  |  |  |
MPSC | DTE Electric | Integrated Resource Plan | Organizations providing customers with bill assistance |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Committed total donations | 30 |  |  |  |  |  |  |  |
MPSC | DTE Electric | Integrated Resource Plan | Organizations providing customers with bill assistance | Minimum |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Committed annual donations | 1 |  |  |  |  |  |  |  |
MPSC | DTE Electric | Integrated Resource Plan | Belle River coal handling assets |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Authorized securitization of plant costs | 200 |  |  |  |  |  |  |  |
MPSC | DTE Electric | Integrated Resource Plan | Monroe assets |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Authorized securitization of plant costs | $ 845 |  |  |  |  |  |  |  |
MPSC | DTE Electric | Integrated Resource Plan | Recoverable undepreciated costs on retiring plants | Monroe assets |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Return on equity requested percent | 9.00% |  |  |  |  |  |  |  |
Amortization period for regulatory asset | 15 years |  |  |  |  |  |  |  |
Requested regulatory asset | $ 1,600 |  |  |  |  |  |  |  |

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