v3.25.4

Income Taxes (Summary of Income Taxes Paid) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Income Tax Paid, by Individual Jurisdiction [Line Items] |  |  |
Federal | $ 28 | $ 27 | $ 15
State | 1 | 1 | 0
Total | 29 | 28 | 15
Consumers Energy Company |  |  |
Income Tax Paid, by Individual Jurisdiction [Line Items] |  |  |
Federal | 189 | 57 | 23
State | 21 | 0 | 8
Total | $ 210 | $ 57 | $ 31

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