XML 140 R108.htm IDEA: XBRL DOCUMENT v3.24.0.1
Stock-based Compensation (Schedule of Restricted Stock Activity - Granted) (Details)
12 Months Ended
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