v3.25.2
Property, Plant, and Equipment - Schedule of Property, Plant and Equipment (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Finite-Lived Assets    
Gross Value $ 3,652 $ 3,619
Accumulated Depreciation (563) (465)
Carrying Value 3,089 3,154
Electric generation    
Finite-Lived Assets    
Gross Value 3,091 3,030
Accumulated Depreciation (385) (292)
Carrying Value 2,706 2,738
Nuclear fuel    
Finite-Lived Assets    
Gross Value 403 322
Accumulated Depreciation (166) (152)
Carrying Value 237 170
Other property and equipment    
Finite-Lived Assets    
Gross Value 61 90
Accumulated Depreciation (8) (18)
Carrying Value 53 72
Capitalized software    
Finite-Lived Assets    
Gross Value 8 8
Accumulated Depreciation (4) (3)
Carrying Value 4 5
Construction work in progress    
Finite-Lived Assets    
Gross Value 89 169
Carrying Value $ 89 $ 169
Minimum | Electric generation    
Finite-Lived Assets    
Estimated Useful Life (years) 3 years  
Minimum | Nuclear fuel    
Finite-Lived Assets    
Estimated Useful Life (years) 1 year  
Minimum | Other property and equipment    
Finite-Lived Assets    
Estimated Useful Life (years) 1 year  
Minimum | Capitalized software    
Finite-Lived Assets    
Estimated Useful Life (years) 1 year  
Maximum | Electric generation    
Finite-Lived Assets    
Estimated Useful Life (years) 27 years  
Maximum | Nuclear fuel    
Finite-Lived Assets    
Estimated Useful Life (years) 6 years  
Maximum | Other property and equipment    
Finite-Lived Assets    
Estimated Useful Life (years) 26 years  
Maximum | Capitalized software    
Finite-Lived Assets    
Estimated Useful Life (years) 5 years