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Property, Plant, and Equipment (Average Estimated Useful Life of Each Major Class) (Details) | 12 Months Ended
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Dec. 31, 2024
DTE Electric |
Public Utility Property, Plant, and Equipment [Line Items] |
Useful Life - Distribution | 38 years
Useful Life - Generation | 32 years
DTE Gas |
Public Utility Property, Plant, and Equipment [Line Items] |
Useful Life - Distribution | 55 years
Transmission | 67 years
Useful Life - Storage | 60 years

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- Definition Public Utilities, Property, Plant And Equipment, Storage, Useful Life + References No definition available. + Details
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Namespace Prefix: | dte_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Useful life of utility distribution assets owned by public utility, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Useful life of utility generation assets owned by public utility, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Useful life of utility transmission equipment owned by public utility, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

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

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- Details
Name: | us-gaap_PublicUtilityAxis=dte_DTEGasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |