Name:	dte_AllocatedSharebasedCompensationExpenseEquityandLiability
Namespace Prefix:	dte_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Compensation Expense Recorded [Line Items]

No definition available.

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

Aggregate cash paid by the entity during the period to settle equity and liability instruments granted under equity and liability-based payment arrangements.

No definition available.

Name:	dte_EmployeeServiceSharebasedCompensationCashFlowEffectCashUsedtoSettleEquityandLiabilityAwards
Namespace Prefix:	dte_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Aggregate stock by the entity during the period to settle equity and liability instruments granted under equity and liability-based payment arrangements.

No definition available.

Name:	dte_EmployeeServiceSharebasedCompensationStockUsedtoSettleAwards
Namespace Prefix:	dte_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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=120381028&loc=d3e5070-113901