Regulatory Matters (Details Textuals) - USD ($) $ in Millions	Mar. 17, 2022	Jan. 21, 2022	Mar. 31, 2022	Jun. 23, 2021
Public Utilities, General Disclosures [Line Items]
Long-term debt issued			$ 1,136
DTE Electric
Public Utilities, General Disclosures [Line Items]
Securitized regulatory assets	$ 230
DTE Electric | Tree trimming | Maximum
Public Utilities, General Disclosures [Line Items]
Amortization period for regulatory asset	5 years
DTE Electric | River Rouge | Maximum
Public Utilities, General Disclosures [Line Items]
Amortization period for regulatory asset	14 years
DTE Electric | Securitization Bonds
Public Utilities, General Disclosures [Line Items]
Long-term debt issued	$ 236
DTE Electric | MPSC
Public Utilities, General Disclosures [Line Items]
Authorized issuance of securitization bonds of qualified costs, maximum				$ 236
DTE Electric | MPSC | 2022 Electric Rate Case Filing
Public Utilities, General Disclosures [Line Items]
Requested rate increase		$ 388
Return on equity percent		9.90%
Return on equity requested percent		10.25%
DTE Electric | MPSC | Net book value of River Rouge generation plant
Public Utilities, General Disclosures [Line Items]
Authorized issuance of securitization bonds of qualified costs, maximum				73
DTE Electric | MPSC | Tree trimming surge program costs
Public Utilities, General Disclosures [Line Items]
Authorized issuance of securitization bonds of qualified costs, maximum				157
DTE Electric | MPSC | Other
Public Utilities, General Disclosures [Line Items]
Authorized issuance of securitization bonds of qualified costs, maximum				$ 6