v3.25.4

Revenue (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Disaggregation of Revenue [Line Items] |  |  |
Bad debt expense | $ 40 | $ 33 | $ 34
Unbilled receivables | 659 | 584 |
Consumers Energy Company |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Bad debt expense | 40 | 33 | $ 34
Unbilled receivables | $ 659 | $ 584 |

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