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

No definition available.

Name:	dte_PublicUtilitiesAuthorizedIssuanceOfSecuritizationBondsQualifiedCostsAmountMaximum
Namespace Prefix:	dte_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

Name:	dte_PublicUtilitiesIncreaseDecreaseInTotalRevenueDeficiencyAmount
Namespace Prefix:	dte_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

Name:	dte_PublicUtilitiesInfrastructureRecoveryMechanismIRMRollInAmount
Namespace Prefix:	dte_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of public utility's approved rate increase (decrease) by regulatory agency.

+ References

No definition available.

+ Details

Name:	us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Percentage of public utility's approved return on equity.

+ References

No definition available.

+ Details

Name:	us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- 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.

+ References

No definition available.

+ Details

Name:	us-gaap_PublicUtilitiesGeneralDisclosuresLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

Name:	us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Percentage of public utility's requested return on equity.

+ References

No definition available.

+ Details

Name:	us-gaap_PublicUtilitiesRequestedReturnOnEquityPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_PublicUtilitiesRegulatoryProceedingAxis=dte_A2025DTEElectricRateCaseFilingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RegulatoryAgencyAxis=dte_MPSCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=dte_DTEElectricMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PublicUtilitiesRegulatoryProceedingAxis=dte_A2025ElectricDepreciationCaseFilingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PublicUtilitiesRegulatoryProceedingAxis=dte_A2025GasRateCaseFilingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=dte_DTEGasMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PublicUtilitiesRegulatoryProceedingAxis=dte_A2026DTEElectricRateCaseFilingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PublicUtilitiesRegulatoryProceedingAxis=dte_A2026SecuritizationFilingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Regulatory Matters (Details) - MPSC - USD ($) $ in Millions	Sep. 10, 2026	May 08, 2026	Apr. 28, 2026	Feb. 19, 2026	Dec. 23, 2025	Nov. 13, 2025	Nov. 12, 2025	Apr. 24, 2025	Apr. 23, 2025	Aug. 06, 2026
2025 DTE Electric Rate Case Filing \| DTE Electric
Public Utilities, General Disclosures [Line Items]
Requested rate increase								$ 574
Return on equity approved percentage				9.90%					9.90%
Return on equity requested percent								10.75%
Approved rate increase				$ 242
2025 Electric Depreciation Case Filing \| DTE Electric
Public Utilities, General Disclosures [Line Items]
Requested rate increase					$ 147
Approved rate increase	$ 144
2025 Gas Rate Case Filing \| DTE Gas
Public Utilities, General Disclosures [Line Items]
Requested rate increase						$ 163
Return on equity approved percentage	9.80%						9.80%
Return on equity requested percent						10.25%
Approved rate increase	$ 149
Net increase on total revenue deficiency						$ 238
Net of IRM roll-in						$ 75
2026 DTE Electric Rate Case Filing \| DTE Electric
Public Utilities, General Disclosures [Line Items]
Requested rate increase			$ 474
Return on equity approved percentage				9.90%
Return on equity requested percent			10.25%
2026 Securitization Filing \| DTE Electric
Public Utilities, General Disclosures [Line Items]
Requested rate increase		$ 601
Authorized issuance of securitization bonds, qualified costs, maximum										$ 601