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Stock-based Compensation (Schedule of Restricted Stock Activity - Granted) (Details) | 12 Months Ended
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Dec. 31, 2023 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 521,121
Consumers Energy Company |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 493,232
Time-lapse awards |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 115,591
Time-lapse awards | Consumers Energy Company |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 108,216
Market-based awards |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 147,453
Market-based awards | Consumers Energy Company |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 139,255
Performance-based awards |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 153,383
Performance-based awards | Consumers Energy Company |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 145,008
Restricted stock units |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 15,545
Restricted stock units | Consumers Energy Company |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 14,925
Dividends on market-based awards |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 14,825
Dividends on market-based awards | Consumers Energy Company |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 14,038
Dividends on performance-based awards |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 15,608
Dividends on performance-based awards | Consumers Energy Company |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 14,787
Dividends on restricted stock units |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 3,537
Dividends on restricted stock units | Consumers Energy Company |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 3,390
Additional performance-based shares based on achievement of condition |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 55,179
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) | 53,613

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