v3.25.2
Revenue - Schedule of Future Performance Obligations (Details)
 1 Months Ended
Jul. 31, 2025
USD ($)
MW
Jun. 30, 2025
USD ($)
Subsequent Event    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Megawatts cleared | MW 6,702  
Clearing price (dollars per MW-day) $ 329.17  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-07-01    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Expected capacity revenues   $ 333,000,000
Remaining performance obligation period   6 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-07-01 | Capacity Revenue, Other    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Expected capacity revenues   $ 333,000,000
Remaining performance obligation period   6 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-07-01 | Capacity Revenue, PJM    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Expected capacity revenues   $ 0
Remaining performance obligation period   6 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Expected capacity revenues   $ 747,000,000
Remaining performance obligation period   1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01 | Capacity Revenue, Other    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Expected capacity revenues   $ 275,000,000
Remaining performance obligation period   1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01 | Capacity Revenue, PJM    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Expected capacity revenues   $ 472,000,000
Remaining performance obligation period   1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Expected capacity revenues   $ 336,000,000
Remaining performance obligation period   1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01 | Capacity Revenue, Other    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Expected capacity revenues   $ 3,000,000
Remaining performance obligation period   1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01 | Capacity Revenue, PJM    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Expected capacity revenues   $ 333,000,000
Remaining performance obligation period   1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2028-01-01    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Expected capacity revenues   $ 1,000,000
Remaining performance obligation period   1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2028-01-01 | Capacity Revenue, Other    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Expected capacity revenues   $ 1,000,000
Remaining performance obligation period   1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2028-01-01 | Capacity Revenue, PJM    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Expected capacity revenues   $ 0
Remaining performance obligation period   1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2029-01-01    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Expected capacity revenues   $ 0
Remaining performance obligation period   1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2029-01-01 | Capacity Revenue, Other    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Expected capacity revenues   $ 0
Remaining performance obligation period   1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2029-01-01 | Capacity Revenue, PJM    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Expected capacity revenues   $ 0
Remaining performance obligation period   1 year