v3.26.1
ASSETS HELD FOR SALE - Schedule of Assets and Liabilities Classified As Held For Sale (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Assets Held For Sale [Line Items]            
Cash and cash equivalents $ 1,971 $ 2,124 $ 2,093 $ 1,907 $ 1,955 $ 3,135
Restricted cash 271   220      
Trade receivables and other current assets 2,667   2,542      
Equity-accounted investments 3,714   4,087      
Property, plant and equipment, at fair value 69,616   70,456      
Goodwill 6,040   6,019      
Deferred income tax assets 541   493      
Other long-term assets 965   953      
Total Assets 96,745   98,701      
Current liabilities 13,425   21,698      
Non-recourse borrowings 4,713   7,384      
Deferred income tax liabilities 9,409   9,395      
Other long-term liabilities 1,849   1,824      
Liabilities directly associated with assets held for sale 60,897   63,727      
Assets and liabilities classified as held for sale            
Assets Held For Sale [Line Items]            
Cash and cash equivalents 64   79      
Restricted cash 7   88      
Trade receivables and other current assets 40   94      
Financial instrument assets 24   160      
Equity-accounted investments 394   0      
Property, plant and equipment, at fair value 3,958   5,582      
Goodwill 25   0      
Deferred income tax assets 1   0      
Other long-term assets 21   139      
Total Assets 4,534   6,142      
Current liabilities 40   99      
Non-recourse borrowings 1,290   2,359      
Financial instrument liabilities 92   1,095      
Deferred income tax liabilities 352   73      
Provisions 19   203      
Other long-term liabilities 109   192      
Liabilities directly associated with assets held for sale 1,902   $ 4,021      
Change in fair value 145          
Assets and liabilities classified as held for sale | U.S. Hydroelectric Portfolio            
Assets Held For Sale [Line Items]            
Cash and cash equivalents 36          
Restricted cash 0          
Trade receivables and other current assets 9          
Financial instrument assets 2          
Equity-accounted investments 0          
Property, plant and equipment, at fair value 1,795          
Goodwill 0          
Deferred income tax assets 1          
Other long-term assets 0          
Total Assets 1,843          
Current liabilities 9          
Non-recourse borrowings 752          
Financial instrument liabilities 19          
Deferred income tax liabilities 5          
Provisions 0          
Other long-term liabilities 5          
Liabilities directly associated with assets held for sale 790          
Assets and liabilities classified as held for sale | U.S. Renewables Portfolio            
Assets Held For Sale [Line Items]            
Cash and cash equivalents 0          
Restricted cash 7          
Trade receivables and other current assets 7          
Financial instrument assets 4          
Equity-accounted investments 394          
Property, plant and equipment, at fair value 501          
Goodwill 0          
Deferred income tax assets 0          
Other long-term assets 20          
Total Assets 933          
Current liabilities 19          
Non-recourse borrowings 273          
Financial instrument liabilities 73          
Deferred income tax liabilities 0          
Provisions 4          
Other long-term liabilities 26          
Liabilities directly associated with assets held for sale 395          
Assets and liabilities classified as held for sale | Colombian Renewables Portfolio            
Assets Held For Sale [Line Items]            
Cash and cash equivalents 0          
Restricted cash 0          
Trade receivables and other current assets 2          
Financial instrument assets 0          
Equity-accounted investments 0          
Property, plant and equipment, at fair value 859          
Goodwill 25          
Deferred income tax assets 0          
Other long-term assets 0          
Total Assets 886          
Current liabilities 0          
Non-recourse borrowings 0          
Financial instrument liabilities 0          
Deferred income tax liabilities 236          
Provisions 1          
Other long-term liabilities 4          
Liabilities directly associated with assets held for sale 241          
Assets and liabilities classified as held for sale | European Renewables Portfolio            
Assets Held For Sale [Line Items]            
Cash and cash equivalents 28          
Restricted cash 0          
Trade receivables and other current assets 22          
Financial instrument assets 18          
Equity-accounted investments 0          
Property, plant and equipment, at fair value 803          
Goodwill 0          
Deferred income tax assets 0          
Other long-term assets 1          
Total Assets 872          
Current liabilities 12          
Non-recourse borrowings 265          
Financial instrument liabilities 0          
Deferred income tax liabilities 111          
Provisions 14          
Other long-term liabilities 74          
Liabilities directly associated with assets held for sale $ 476