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Regulatory Matters (Schedule of Regulatory Liabilities) (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | $ 3,037 | $ 2,674
Less amount included in Current Liabilities | (181) | (71)
Regulatory liabilities, noncurrent | 2,856 | 2,603
Refundable federal income taxes |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 1,733 | 1,823
Removal costs liability |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 506 | 342
Non-service pension and other postretirement costs |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 255 | 199
Negative other postretirement offset |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 214 | 210
Accrued PSCR/GCR refund |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 136 | 21
Renewable energy |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 90 | 7
Other |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 103 | 72
DTE Electric |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 1,909 | 1,759
Less amount included in Current Liabilities | (156) | (49)
Regulatory liabilities, noncurrent | 1,753 | 1,710
DTE Electric | Refundable federal income taxes |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 1,389 | 1,463
DTE Electric | Removal costs liability |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 0 | 0
DTE Electric | Non-service pension and other postretirement costs |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 94 | 84
DTE Electric | Negative other postretirement offset |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 139 | 142
DTE Electric | Accrued PSCR/GCR refund |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 111 | 0
DTE Electric | Renewable energy |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 90 | 7
DTE Electric | Other |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | $ 86 | $ 63

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- Definition The amount for the individual regulatory liability as itemized in a table of regulatory liabilities as of the end of the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 980 -SubTopic 405 -Name Accounting Standards Codification -Section 25 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477571/980-405-25-1 + Details
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- Definition The amount for the individual regulatory current liability as itemized in a table of regulatory current liabilities as of the end of the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 980 -SubTopic 405 -Name Accounting Standards Codification -Section 25 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477571/980-405-25-1 + Details
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