v3.26.1
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Assets and Liabilities Measured and Disclosed at Fair Value (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Assets measured at fair value:            
Cash and cash equivalents $ 756 $ 651 $ 682 $ 556 $ 614 $ 624
Restricted cash 114   81      
Property, plant and equipment 38,771   39,699      
Liabilities for which fair value is disclosed:            
Interests held in BRHC by the partnership (6,754)   (5,245)      
BEPC exchangeable and class A.2 exchangeable shares (6,483)   (5,016)      
Non-recourse borrowings (15,672)   (15,362)      
Total 9,582   14,232      
Investments in debt securities measured at amortized cost 350   320      
IFRS 9 PPAs            
Assets measured at fair value:            
Financial instrument assets 45   78      
Liabilities measured at fair value:            
Financial instrument liabilities (463)   (253)      
Energy derivative contracts            
Assets measured at fair value:            
Financial instrument assets 68   104      
Liabilities measured at fair value:            
Financial instrument liabilities (104)   (154)      
Interest rate swaps            
Assets measured at fair value:            
Financial instrument assets 69   85      
Liabilities measured at fair value:            
Financial instrument liabilities (7)   (59)      
Foreign exchange swaps            
Assets measured at fair value:            
Financial instrument assets 15   5      
Liabilities measured at fair value:            
Financial instrument liabilities (515)   (201)      
Tax equity            
Liabilities measured at fair value:            
Financial instrument liabilities (258)   $ (212)      
Level 1            
Assets measured at fair value:            
Cash and cash equivalents 756          
Restricted cash 114          
Property, plant and equipment 0          
Liabilities for which fair value is disclosed:            
Interests held in BRHC by the partnership (6,754)          
BEPC exchangeable and class A.2 exchangeable shares (6,483)          
Non-recourse borrowings (1,669)          
Total (14,036)          
Level 1 | IFRS 9 PPAs            
Assets measured at fair value:            
Financial instrument assets 0          
Liabilities measured at fair value:            
Financial instrument liabilities 0          
Level 1 | Energy derivative contracts            
Assets measured at fair value:            
Financial instrument assets 0          
Liabilities measured at fair value:            
Financial instrument liabilities 0          
Level 1 | Interest rate swaps            
Assets measured at fair value:            
Financial instrument assets 0          
Liabilities measured at fair value:            
Financial instrument liabilities 0          
Level 1 | Foreign exchange swaps            
Assets measured at fair value:            
Financial instrument assets 0          
Liabilities measured at fair value:            
Financial instrument liabilities 0          
Level 1 | Tax equity            
Liabilities measured at fair value:            
Financial instrument liabilities 0          
Level 2            
Assets measured at fair value:            
Cash and cash equivalents 0          
Restricted cash 0          
Property, plant and equipment 0          
Liabilities for which fair value is disclosed:            
Interests held in BRHC by the partnership 0          
BEPC exchangeable and class A.2 exchangeable shares 0          
Non-recourse borrowings (14,003)          
Total (14,497)          
Level 2 | IFRS 9 PPAs            
Assets measured at fair value:            
Financial instrument assets 0          
Liabilities measured at fair value:            
Financial instrument liabilities (20)          
Level 2 | Energy derivative contracts            
Assets measured at fair value:            
Financial instrument assets 68          
Liabilities measured at fair value:            
Financial instrument liabilities (104)          
Level 2 | Interest rate swaps            
Assets measured at fair value:            
Financial instrument assets 69          
Liabilities measured at fair value:            
Financial instrument liabilities (7)          
Level 2 | Foreign exchange swaps            
Assets measured at fair value:            
Financial instrument assets 15          
Liabilities measured at fair value:            
Financial instrument liabilities (515)          
Level 2 | Tax equity            
Liabilities measured at fair value:            
Financial instrument liabilities 0          
Level 3            
Assets measured at fair value:            
Cash and cash equivalents 0          
Restricted cash 0          
Property, plant and equipment 38,771          
Liabilities for which fair value is disclosed:            
Interests held in BRHC by the partnership 0          
BEPC exchangeable and class A.2 exchangeable shares 0          
Non-recourse borrowings 0          
Total 38,115          
Level 3 | IFRS 9 PPAs            
Assets measured at fair value:            
Financial instrument assets 45          
Liabilities measured at fair value:            
Financial instrument liabilities (443)          
Level 3 | Energy derivative contracts            
Assets measured at fair value:            
Financial instrument assets 0          
Liabilities measured at fair value:            
Financial instrument liabilities 0          
Level 3 | Interest rate swaps            
Assets measured at fair value:            
Financial instrument assets 0          
Liabilities measured at fair value:            
Financial instrument liabilities 0          
Level 3 | Foreign exchange swaps            
Assets measured at fair value:            
Financial instrument assets 0          
Liabilities measured at fair value:            
Financial instrument liabilities 0          
Level 3 | Tax equity            
Liabilities measured at fair value:            
Financial instrument liabilities $ (258)