v3.24.3
Acquisitions - Narrative (Details)
$ in Millions
Apr. 16, 2024
USD ($)
MW
Mar. 15, 2024
USD ($)
MW
Sep. 30, 2024
MW
Schedule of Asset Acquisition [Line Items]      
Power generation capacity, megawatts (over) | MW     9,000
Cedar Creek Drop Down      
Schedule of Asset Acquisition [Line Items]      
Net assets acquired $ 17    
Texas Solar Nova 2 Drop Down      
Schedule of Asset Acquisition [Line Items]      
Net assets acquired   $ 72  
Texas Solar Nova 2 Drop Down | Clearway Renew LLC      
Schedule of Asset Acquisition [Line Items]      
Payments to acquire productive assets   17  
Texas Solar Nova 2 Drop Down | CEG      
Schedule of Asset Acquisition [Line Items]      
Payments to fund project reserve accounts   9  
Texas Solar Nova 2 Drop Down | TSN1 TE Holdco LLC | Cash Equity Investor      
Schedule of Asset Acquisition [Line Items]      
Payments to acquire productive assets   $ 95  
Alternative Energy | Cedar Creek Wind Holdco LLC | Cedar Creek Drop Down | Cedar Creek TE Holdco LLC      
Schedule of Asset Acquisition [Line Items]      
Power generation capacity, megawatts (over) | MW 160    
Payments to acquire productive assets $ 117    
Power purchase agreement period (in years) 25 years    
Alternative Energy | Lighthouse Renewable Holdco 2 LLC | Texas Solar Nova 2 Drop Down | TSN1 TE Holdco LLC      
Schedule of Asset Acquisition [Line Items]      
Power generation capacity, megawatts (over) | MW   200  
Payments to acquire productive assets   $ 112  
Power purchase agreement period (in years)   18 years