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Regulatory Matters (Details Textuals) - USD ($) $ in Millions |  |  |  |  | 12 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Feb. 10, 2023 | Nov. 18, 2022 | Mar. 17, 2022 | Jan. 21, 2022 | Dec. 31, 2022 | Dec. 28, 2022 | Dec. 27, 2022 | Nov. 30, 2022 | Nov. 04, 2022 | Dec. 31, 2021 | Jun. 23, 2021
Regulatory Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Deferral of investigation and remediation of costs associated with gas utilities former MGP sites |  |  |  |  | 10 years |  |  |  |  |  |
Long-term debt issued |  |  |  |  | $ 2,196 |  |  |  |  |  |
Securitized regulatory assets |  |  |  |  | 206 |  |  |  |  | $ 0 |
Regulatory liability |  |  |  |  | 2,707 |  |  |  |  | 3,262 |
DTE Electric |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Securitized regulatory assets |  |  | $ 230 |  | 206 |  |  |  |  | 0 |
Regulatory liability |  |  |  |  | $ 1,811 |  |  |  |  | $ 2,375 |
DTE Electric | Ludington Hydroelectric Pumped Storage |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Ownership interest |  |  |  |  | 49.00% |  |  | 49.00% |  |  |
DTE Electric | Securitization Bonds |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Long-term debt issued |  |  | $ 236 |  |  |  |  |  |  |  |
DTE Electric | MPSC |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Authorized issuance of securitization bonds of qualified costs, maximum |  |  |  |  |  |  |  |  |  |  | $ 236
DTE Electric | MPSC | Net book value of River Rouge generation plant |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Authorized issuance of securitization bonds of qualified costs, maximum |  |  |  |  |  |  |  |  |  |  | 73
DTE Electric | MPSC | Tree trimming surge program costs |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Authorized issuance of securitization bonds of qualified costs, maximum |  |  |  |  |  |  |  |  |  |  | 157
DTE Electric | MPSC | Other |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Authorized issuance of securitization bonds of qualified costs, maximum |  |  |  |  |  |  |  |  |  |  | 6
DTE Electric | MPSC | 2022 Electric Rate Case Filing |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Requested rate increase |  |  |  | $ 388 |  |  |  |  |  |  |
Approved return on equity, percent |  | 9.90% |  | 9.90% |  |  |  |  |  |  |
Requested return on equity, percent |  |  |  | 10.25% |  |  |  |  |  |  |
Approved revenue increase |  | $ 31 |  |  |  |  |  |  |  |  |
Disallowed capital expenditures |  | $ 8 |  |  |  |  |  |  |  |  |
DTE Electric | MPSC | DTE Electric Rate Case Filing 2023 | Subsequent Event |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Requested rate increase | $ 622 |  |  |  |  |  |  |  |  |  |
Approved return on equity, percent | 9.90% |  |  |  |  |  |  |  |  |  |
Requested return on equity, percent | 10.25% |  |  |  |  |  |  |  |  |  |
DTE Gas | MPSC | 2022 DTE Gas Voluntary Refund Application | 2022 Voluntary Refund |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Requested regulatory liability |  |  |  |  |  |  | $ 5 |  |  |  |
Regulatory liability |  |  |  |  |  | $ 5 |  |  |  |  |
DTE Gas | MPSC | Maximum | 2022 DTE Gas Voluntary Refund Application | 2022 Voluntary Refund |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Requested regulatory liability |  |  |  |  |  |  |  |  | $ 20 |  |
Consumers Energy Company | Ludington Hydroelectric Pumped Storage |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Ownership interest |  |  |  |  |  |  |  | 51.00% |  |  |
River Rouge | DTE Electric | Maximum |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortization period for regulatory asset |  |  | 14 years |  |  |  |  |  |  |  |
River Rouge | DTE Electric | MPSC |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Authorized issuance of securitization bonds of qualified costs, maximum |  |  |  |  |  |  |  |  |  |  | 73
Tree Trimming | DTE Electric | Maximum |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortization period for regulatory asset |  |  | 5 years |  |  |  |  |  |  |  |
Tree Trimming | DTE Electric | MPSC |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Authorized issuance of securitization bonds of qualified costs, maximum |  |  |  |  |  |  |  |  |  |  | $ 157
Customer360 deferred costs |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Approved amortization period |  |  |  |  | 15 years |  |  |  |  |  |
Nuclear performance evaluation and review committee tracker |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Approved amortization period |  |  |  |  | 5 years |  |  |  |  |  |
Advanced distribution management system costs |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortization period for regulatory asset |  |  |  |  | 15 years |  |  |  |  |  |

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