XML 61 R49.htm IDEA: XBRL DOCUMENT v3.22.2.2
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Liquidity and Credit Risk (Details) - CAD ($)
9 Months Ended 12 Months Ended
Sep. 30, 2022
Dec. 31, 2021
LIQUIDITY RISK AND CREDIT RISK    
Rolling time period over which the Company forecasts cash requirements 12 months  
Period of anticipated requirements for which the Company maintains sufficient liquidity through committed credit facilities 1 year  
Derivative instruments    
LIQUIDITY RISK AND CREDIT RISK    
Maximum credit exposure with respect to derivative instruments $ 1,812,000,000 $ 887,000,000
Cash collateral on asset exposure 0 0
Derivative instruments | Canadian financial institutions    
LIQUIDITY RISK AND CREDIT RISK    
Maximum credit exposure with respect to derivative instruments 637,000,000 424,000,000
Derivative instruments | US financial institutions    
LIQUIDITY RISK AND CREDIT RISK    
Maximum credit exposure with respect to derivative instruments 361,000,000 130,000,000
Derivative instruments | European financial institutions    
LIQUIDITY RISK AND CREDIT RISK    
Maximum credit exposure with respect to derivative instruments 441,000,000 181,000,000
Derivative instruments | Asian financial institutions    
LIQUIDITY RISK AND CREDIT RISK    
Maximum credit exposure with respect to derivative instruments 208,000,000 30,000,000
Derivative instruments | Other    
LIQUIDITY RISK AND CREDIT RISK    
Maximum credit exposure with respect to derivative instruments $ 165,000,000 $ 122,000,000