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Regulatory Matters (Ludington Accounting Application) (Details) - Ludington Hydroelectric Pumped Storage | Dec. 31, 2023 | Nov. 30, 2022
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DTE Electric |  |
Jointly-Owned Utility Plant Interests [Line Items] |  |
Ownership interest | 49.00% | 49.00%
Consumers Energy Company |  |
Jointly-Owned Utility Plant Interests [Line Items] |  |
Ownership interest |  | 51.00%

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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 proportionate share of interest (percent) in a jointly owned utility plant. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 980 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 10.C) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479960/980-360-S99-1 + Details
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