DESCRIPTION OF THE PLANS - Narrative (Details)	12 Months Ended
Dec. 31, 2025 year
EBP Plans
EBP, Description of Plan [Line Items]
Maximum annual compensation to total compensation, percentage	100.00%
Annual increase deferral rate	1.00%
Minimum age for eligible catch-up contribution and Roth 401(k)	50
Distribution payment, percentage	100.00%
EBP Plans \| EBP, Company Contributions And Non-Elective Contributions
EBP, Description of Plan [Line Items]
Employer contribution maximum vesting age	65
EBP Plans \| Minimum
EBP, Description of Plan [Line Items]
Participant contribution percentage	4.00%
EBP Plans \| Maximum
EBP, Description of Plan [Line Items]
Participant contribution percentage	10.00%
EBP 003
EBP, Description of Plan [Line Items]
Requisite service period	6 months
Non-elective contribution, percentage	4.00%
EBP 004
EBP, Description of Plan [Line Items]
Requisite service period	6 months
EBP 006
EBP, Description of Plan [Line Items]
Requisite service period	6 months
Non-elective contribution, percentage	4.00%
EBP 002
EBP, Description of Plan [Line Items]
Requisite service period	2 years
Non-elective contribution, percentage	4.00%

EBP, Distribution, Payment, Percentage

No definition available.

Name:	dte_EBPDistributionPaymentPercentage
Namespace Prefix:	dte_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum Vesting age of participant for company contribution and/ or investment earning in Company Matching Contributions, Fixed Rate Contributions, Discretionary Profit-Sharing Contributions, Qualified Non-Elective Contributions, and Disability Contributions.

+ References

No definition available.

+ Details

Name:	dte_EBPEmployerContributionMaximumVestingAge
Namespace Prefix:	dte_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Employer Contribution, Non-Elective Contribution, Percentage

+ References

No definition available.

+ Details

Name:	dte_EBPEmployerContributionNonElectiveContributionPercentage
Namespace Prefix:	dte_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Participant Contribution, Age For Eligible Catch-Up Contribution and Roth 401(k)

+ References

No definition available.

+ Details

Name:	dte_EBPParticipantContributionAgeForEligibleCatchUpContributionAndRoth401k
Namespace Prefix:	dte_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Annual increase in percentage of eligible compensation contributed for participant automatically enrolled in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) until the contribution reaches maximum threshold.

+ References

No definition available.

+ Details

Name:	dte_EBPParticipantContributionAutomaticAnnualIncreaseDeferralRate
Namespace Prefix:	dte_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Requisite Service Period

+ References

No definition available.

+ Details

Name:	dte_EBPRequisiteServicePeriod
Namespace Prefix:	dte_
Data Type:	xbrli:durationItemType
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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-SubTopic 205
-Topic 962
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478416/962-205-50-1

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of eligible compensation contributed for participant automatically enrolled in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 962
-SubTopic 325
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478873/962-325-55-17

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate
Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of maximum pretax annual compensation that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), is permitted to contribute to total pretax annual compensation.

+ References

+ Details

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Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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Namespace Prefix:
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=dte_EBP004Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=dte_EBP006Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
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