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FINANCIAL RISK MANAGEMENT - Additional Information (Details) - USD ($)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Disclosure of detailed information about borrowings [line items]    
Debt in breach of asset-level financial covenants   $ 145,000,000
Credit facility, maximum borrowing capacity $ 960,000,000  
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Financial assets 6,867,000,000 5,400,000,000
Market risk    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Impact of 10% change in value of investments on equity 101,000,000  
Impact of 10 percent change in value of investments on profit loss 101,000,000  
Marketable securities | Market risk    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Financial assets 1,007,000,000 588,000,000
Corporate revolving credit facility    
Disclosure of detailed information about borrowings [line items]    
Credit facility, maximum borrowing capacity 2,100,000,000 2,000,000,000
Non-recourse borrowings   0
Letter of credit outstanding amount 12,000,000 12,000,000
Credit facility    
Disclosure of detailed information about borrowings [line items]    
Credit facility, maximum borrowing capacity 1,000,000,000 500,000,000
Non-recourse borrowings $ 0 0
Syndicated Revolving Credit Facility    
Disclosure of detailed information about borrowings [line items]    
Credit facility, maximum borrowing capacity   $ 1,000,000,000