v3.26.1
PROPERTY, PLANT AND EQUIPMENT - Schedule of Property, Plant and Equipment at Fair Value (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Property, plant and equipment, at fair value        
Beginning balance   $ 64,217    
Additions, net   220    
Transfer from construction work-in-progress   891    
Transfer to assets held for sale, net   (3,220)    
Items recognized through OCI:        
Change in fair value   200    
Foreign exchange   1,483    
Items recognized through net income:        
Change in fair value   13    
Depreciation   (1,106)    
Ending balance $ 62,698 62,698    
Construction work-in-progress        
Construction in progress, beginning balance   6,239    
Additions   2,038    
Transfer to property, plant and equipment   (891)    
Items recognized through OCI:        
Change in fair value   (174)    
Foreign exchange   (43)    
Items recognized through net income (loss):        
Change in fair value   (251)    
Construction in progress, ending balance 6,918 6,918    
Total property, plant and equipment, at fair value 69,616 69,616   $ 70,456
Non-current assets held for sale        
Property, plant and equipment, at fair value        
Additions, net 257      
Hydroelectric        
Property, plant and equipment, at fair value        
Beginning balance   35,782    
Additions, net   63    
Transfer from construction work-in-progress   21    
Transfer to assets held for sale, net   (2,349)    
Items recognized through OCI:        
Change in fair value   118    
Foreign exchange   1,203    
Items recognized through net income:        
Change in fair value   0    
Depreciation   (343)    
Ending balance 34,495 34,495    
Construction work-in-progress        
Construction in progress, beginning balance   341    
Additions   53    
Transfer to property, plant and equipment   (21)    
Items recognized through OCI:        
Change in fair value   0    
Foreign exchange   1    
Items recognized through net income (loss):        
Change in fair value   0    
Construction in progress, ending balance 374 374    
Total property, plant and equipment, at fair value 34,869 34,869   36,123
Right-of-use asset not subject to revaluation, disposal   67 $ 42  
Land, not subject to revaluation 150 150   208
Wind        
Property, plant and equipment, at fair value        
Beginning balance   14,524    
Additions, net   165    
Transfer from construction work-in-progress   125    
Transfer to assets held for sale, net   (802)    
Items recognized through OCI:        
Change in fair value   (2)    
Foreign exchange   125    
Items recognized through net income:        
Change in fair value   (10)    
Depreciation   (407)    
Ending balance 13,718 13,718    
Construction work-in-progress        
Construction in progress, beginning balance   2,449    
Additions   520    
Transfer to property, plant and equipment   (125)    
Items recognized through OCI:        
Change in fair value   (150)    
Foreign exchange   (13)    
Items recognized through net income (loss):        
Change in fair value   (69)    
Construction in progress, ending balance 2,612 2,612    
Total property, plant and equipment, at fair value 16,330 16,330   16,973
Right-of-use asset not subject to revaluation, disposal   255 297  
Land, not subject to revaluation 47 47   47
Utility-scale solar        
Property, plant and equipment, at fair value        
Beginning balance   11,217    
Additions, net   (15)    
Transfer from construction work-in-progress   598    
Transfer to assets held for sale, net   (69)    
Items recognized through OCI:        
Change in fair value   89    
Foreign exchange   88    
Items recognized through net income:        
Change in fair value   23    
Depreciation   (302)    
Ending balance 11,629 11,629    
Construction work-in-progress        
Construction in progress, beginning balance   3,115    
Additions   1,141    
Transfer to property, plant and equipment   (598)    
Items recognized through OCI:        
Change in fair value   (24)    
Foreign exchange   (26)    
Items recognized through net income (loss):        
Change in fair value   (182)    
Construction in progress, ending balance 3,426 3,426    
Total property, plant and equipment, at fair value 15,055 15,055   14,332
Right-of-use asset not subject to revaluation, disposal   549 $ 531  
Land, not subject to revaluation 166 166   149
Other        
Property, plant and equipment, at fair value        
Beginning balance   2,694    
Additions, net   7    
Transfer from construction work-in-progress   147    
Transfer to assets held for sale, net   0    
Items recognized through OCI:        
Change in fair value   (5)    
Foreign exchange   67    
Items recognized through net income:        
Change in fair value   0    
Depreciation   (54)    
Ending balance 2,856 2,856    
Construction work-in-progress        
Construction in progress, beginning balance   334    
Additions   324    
Transfer to property, plant and equipment   (147)    
Items recognized through OCI:        
Change in fair value   0    
Foreign exchange   (5)    
Items recognized through net income (loss):        
Change in fair value   0    
Construction in progress, ending balance 506 506    
Total property, plant and equipment, at fair value 3,362 3,362   3,028
Land, not subject to revaluation $ 11 $ 11   $ 6