v3.26.1
Nature of Business (Details)
6 Months Ended
Apr. 29, 2026
shares
Jun. 30, 2026
state
GW
Nature of Business [Line Items]    
Power generation capacity, gigawatts (over)   13.9
Number of states | state   27
Common Class C    
Nature of Business [Line Items]    
Shares converted (in shares) | shares 1  
Clearway Energy, Inc. | Clearway Energy LLC    
Nature of Business [Line Items]    
Ownership interest (as a percentage)   59.03%
Clearway Energy LLC | GIP    
Nature of Business [Line Items]    
Voting interest (as a percentage)   54.88%
Clearway Energy LLC | Shareholders    
Nature of Business [Line Items]    
Voting interest (as a percentage)   45.12%
Clearway Energy LLC | CEG    
Nature of Business [Line Items]    
Ownership interest (as a percentage)   40.97%
Conventional Generation, Utility-Scale Solar, Distributed Solar, and Wind    
Nature of Business [Line Items]    
Power generation capacity, gigawatts (over)   11.1
Generational Facilities and District Energy Systems    
Nature of Business [Line Items]    
Power generation capacity, gigawatts (over)   2.8