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Jointly-Owned Utility Plant (Ownership Information) (Details) - DTE Electric $ in Millions | Dec. 31, 2022 USD ($) MW | Nov. 30, 2022
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Belle River |  |
Jointly-Owned Utility Plant Interests [Line Items] |  |
Total plant capacity | MW | 1,270 |
Ownership interest | 81.00% |
Investment in Property, plant, and equipment (in millions) | $ 1,992 |
Accumulated depreciation (in millions) | $ 1,051 |
Ludington Hydroelectric Pumped Storage |  |
Jointly-Owned Utility Plant Interests [Line Items] |  |
Total plant capacity | MW | 2,290 |
Ownership interest | 49.00% | 49.00%
Investment in Property, plant, and equipment (in millions) | $ 645 |
Accumulated depreciation (in millions) | $ 138 |

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- Definition Jointly Owned Utility Plant, Capacity + 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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- Definition The total period end amount of plant in service and construction in progress net of accumulated depreciation for the utility's share of jointly owned electricity generation plant. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 10.C) -URI https://asc.fasb.org/extlink&oid=122136288&loc=d3e659983-123033 + Details
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- Definition The period end amount of accumulated depreciation in a jointly owned electricity generation plant. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 10.C) -URI https://asc.fasb.org/extlink&oid=122136288&loc=d3e659983-123033 + Details
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- Definition The proportionate share of interest (percent) in a jointly owned utility plant. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 10.C) -URI https://asc.fasb.org/extlink&oid=122136288&loc=d3e659983-123033 + Details
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