Public Utilities, Amount of Disallowed Power Supply Costs, Including Interest

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- Definition

Public Utilities, Authorized Securitization of Plant Costs, Amount

+ References

No definition available.

+ Details

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- Definition

Public Utilities, Cost Recovery Approved Rate, Amount

+ References

No definition available.

+ Details

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- Definition

Public Utilities, Increase (Decrease) In Total Revenue Deficiency, Amount

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No definition available.

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- Definition

Public Utilities, Infrastructure Recovery Mechanism (IRM) Roll-In, Amount

+ References

No definition available.

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- Definition

Public Utilities, Recovery of Cost Rate, Amount

+ References

No definition available.

+ Details

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- Definition

Percentage of public utility's approved return on equity.

+ References

No definition available.

+ Details

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- Definition

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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No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

Percentage of public utility's requested return on equity.

+ References

No definition available.

+ Details

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- Definition

Amortization period for the recovery of regulatory asset, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Amortization period for the recovery of regulatory liability, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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Regulatory Matters (Details Textuals) (Details) - USD ($) $ in Millions							1 Months Ended	12 Months Ended	33 Months Ended
	Dec. 23, 2025	Nov. 13, 2025	Nov. 12, 2025	Apr. 24, 2025	Apr. 23, 2025	Feb. 27, 2025	Mar. 31, 2023	Dec. 31, 2025	Dec. 31, 2025	Dec. 01, 2023
Deferred environmental costs
Public Utilities, General Disclosures [Line Items]
Amortization period for regulatory asset (in years)								10 years	10 years
Customer360 deferred costs
Public Utilities, General Disclosures [Line Items]
Amortization period for regulatory asset (in years)								15 years	15 years
Securitized regulatory asset, tree trim surge costs \| Maximum
Public Utilities, General Disclosures [Line Items]
Amortization period for regulatory asset (in years)								5 years	5 years
Securitized regulatory asset, River Rouge costs \| Maximum
Public Utilities, General Disclosures [Line Items]
Amortization period for regulatory asset (in years)								14 years	14 years
Securitized regulatory asset, St Clair and Trenton Channel costs \| Maximum
Public Utilities, General Disclosures [Line Items]
Amortization period for regulatory asset (in years)								15 years	15 years
DTE Electric \| Other postretirement costs
Public Utilities, General Disclosures [Line Items]
Amortization period for regulatory liability (in years)										7 years
DTE Electric \| Recovery Mechanism, Power Supply Costs \| 2022 Electric PSCR Reconciliation
Public Utilities, General Disclosures [Line Items]
Recovery of cost rate							$ 421		$ 416
MPSC \| DTE Electric
Public Utilities, General Disclosures [Line Items]
Approved return on equity, percent								9.90%
MPSC \| DTE Electric \| 2022 Electric PSCR Reconciliation
Public Utilities, General Disclosures [Line Items]
Cost recovery approved rate						$ 387
Amount of disallowed costs						$ 33
MPSC \| DTE Electric \| 2025 DTE Electric Rate Case Filing
Public Utilities, General Disclosures [Line Items]
Return on equity requested percent				10.75%	9.90%
Requested rate increase				$ 574
MPSC \| DTE Electric \| 2025 Electric Depreciation Case Filing
Public Utilities, General Disclosures [Line Items]
Requested rate increase	$ 147
MPSC \| DTE Electric \| Integrated Resource Plan
Public Utilities, General Disclosures [Line Items]
Requested regulatory asset								$ 1,050	$ 1,050
MPSC \| DTE Electric \| Recoverable undepreciated costs on retiring plants \| Integrated Resource Plan \| Monroe assets
Public Utilities, General Disclosures [Line Items]
Return on equity requested percent								9.00%
Amortization period for regulatory asset (in years)								15 years	15 years
MPSC \| DTE Gas
Public Utilities, General Disclosures [Line Items]
Approved return on equity, percent								9.80%
MPSC \| DTE Gas \| 2025 Gas Rate Case Filing
Public Utilities, General Disclosures [Line Items]
Return on equity requested percent		10.25%	9.80%
Requested rate increase		$ 163
Net increase on total revenue deficiency		238
Net of IRM roll-in		$ 75