Property, Plant, and Equipment (Utility Property, Plant, and Equipment) (Details)	12 Months Ended
Dec. 31, 2025
DTE Electric
Public Utility Property, Plant, and Equipment [Line Items]
Distribution	38 years
Generation	32 years
DTE Gas
Public Utility Property, Plant, and Equipment [Line Items]
Distribution	55 years
Transmission	67 years
Storage	60 years

Public Utilities, Property, Plant And Equipment, Storage, Useful Life

No definition available.

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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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- 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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- 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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- 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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- Details

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- Details

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