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Stock-based Compensation (Schedule of Restricted Stock Activity - Granted) (Details) | 12 Months Ended
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Dec. 31, 2024 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 633,450
Consumers Energy Company |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 587,816
Time-lapse awards |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 130,512
Time-lapse awards | Consumers Energy Company |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 117,525
Market-based awards |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 165,238
Market-based awards | Consumers Energy Company |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 153,513
Performance-based awards |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 176,655
Performance-based awards | Consumers Energy Company |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 164,324
Restricted stock units |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 22,744
Restricted stock units | Consumers Energy Company |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 21,880
Dividends on market-based awards |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 14,518
Dividends on market-based awards | Consumers Energy Company |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 13,634
Dividends on performance-based awards |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 15,860
Dividends on performance-based awards | Consumers Energy Company |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 14,905
Dividends on restricted stock units |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 3,960
Dividends on restricted stock units | Consumers Energy Company |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 3,797
Additional performance-based shares based on achievement of condition |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 103,963
Additional performance-based shares based on achievement of condition | Consumers Energy Company |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 98,238

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