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Regulatory Matters (Schedule of Regulatory Liabilities) (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | $ 2,707 | $ 3,262
Less amount included in Current Liabilities | (34) | (156)
Regulatory liabilities, noncurrent | 2,673 | 3,106
Refundable federal income taxes |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 1,908 | 2,117
Removal costs liability |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 371 | 679
Negative other postretirement offset |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 191 | 150
Non-service pension and other postretirement costs |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 154 | 110
Renewable energy |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 21 | 13
Energy Waste Reduction |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 11 | 27
Incremental tree trim surge |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 4 | 90
COVID-19 voluntary refund |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 0 | 30
Other |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 47 | 46
DTE Electric |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 1,811 | 2,375
Less amount included in Current Liabilities | (33) | (154)
Regulatory liabilities, noncurrent | 1,778 | 2,221
DTE Electric | Refundable federal income taxes |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 1,534 | 1,729
DTE Electric | Removal costs liability |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 0 | 283
DTE Electric | Negative other postretirement offset |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 128 | 106
DTE Electric | Non-service pension and other postretirement costs |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 73 | 54
DTE Electric | Renewable energy |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 21 | 13
DTE Electric | Energy Waste Reduction |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 11 | 27
DTE Electric | Incremental tree trim surge |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 4 | 90
DTE Electric | COVID-19 voluntary refund |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 0 | 30
DTE Electric | Other |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | $ 40 | $ 43

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