Name:	dte_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsWeightedAverageGrantDateFairValuePayouts
Namespace Prefix:	dte_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

Number of equity and liability instruments other than options outstanding, including both vested and non-vested instruments

No definition available.

Name:	dte_SharebasedCompensationArrangementbySharebasedPaymentAwardLiabilityandEquityInstrumentsOtherthanOptionsOutstandingNumber
Namespace Prefix:	dte_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Share-based Compensation Arrangement by Share-based Payment Award, Liability and Equity Instruments Other than Options, Outstanding [Roll Forward]

No definition available.

Name:	dte_SharebasedCompensationArrangementbySharebasedPaymentAwardLiabilityandEquityInstrumentsOtherthanOptionsOutstandingRollForward
Namespace Prefix:	dte_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The number of non-option equity and liability shares that were canceled during the reporting period as a result of occurrence of a terminating event or that expired

No definition available.

Name:	dte_SharebasedCompensationArrangementbySharebasedPaymentAwardLiabilityandEquityInstrumentsotherthanoptionsForfeituresandExpirationsinPeriod
Namespace Prefix:	dte_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

No definition available.

Name:	dte_SharebasedCompensationArrangementbySharebasedPaymentAwardLiabilityandEquityInstrumentsotherthanoptionsGrantsinPeriod
Namespace Prefix:	dte_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Number of non option equity or liability shares paid out during the current period

No definition available.

Name:	dte_SharebasedCompensationArrangementbySharebasedPaymentAwardLiabilityandEquityInstrumentsotherthanoptionsPayoutsinPeriod
Namespace Prefix:	dte_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(3)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.