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v3.23.3

Segment and Related Information (Details Textuals) customer in Millions | Sep. 30, 2023 customer
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Segment Reporting [Abstract] |
Number of electric utility customers | 2.3
Number of gas utility customers | 1.3

X
- Definition Number Of Electric Utility Customers + References No definition available. + Details
Name: | dte_NumberOfElectricUtilityCustomers
Namespace Prefix: | dte_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number Of Gas Utility Customers + References No definition available. + Details
Name: | dte_NumberOfGasUtilityCustomers
Namespace Prefix: | dte_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_SegmentReportingAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration