Public Utilities, Approved Acceleration Of Amortization, Regulatory Liability, Tax Cuts And Jobs Act

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- Definition

Public Utilities, Authorized Issuance Of Securitization Bonds Of Qualified Costs, Amount, Maximum

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- Definition

Public Utilities, Requested Refund, Regulatory Liability

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- Definition

Public Utilities, Requested Securitization Of Qualified Costs, Amount

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- Definition

Percentage of public utility's approved return on equity.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of public utility's requested rate increase (decrease) with regulatory agency.

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- Definition

Percentage of public utility's requested return on equity.

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Regulatory Matters (Details Textuals) - MPSC - USD ($) $ in Millions	Feb. 12, 2021	Aug. 31, 2021	Jun. 23, 2021	Mar. 26, 2021	Jul. 09, 2020
DTE Electric
Public Utilities, General Disclosures [Line Items]
Regulatory liability for non-plant-related accumulated deferred income tax balances that resulted from the TCJA, accelerated amortization approved					$ 102
Requested securitization of qualified costs				$ 184
Authorized issuance of securitization bonds of qualified costs, maximum			$ 236
DTE Electric \| Tree Trim Costs
Public Utilities, General Disclosures [Line Items]
Requested regulatory liability		$ 70
DTE Gas \| 2021 Gas Rate Case Filing
Public Utilities, General Disclosures [Line Items]
Requested rate increase	$ 195
Return on equity percent	9.90%
Return on equity requested percent	10.25%