v3.22.4
Debt (Revolving Credit Facility) (Details)
12 Months Ended
Mar. 18, 2022
CAD ($)
Dec. 31, 2022
CAD ($)
extension_request
Dec. 31, 2021
CAD ($)
Revolving Credit Facility [Member]      
Line of Credit Facility [Line Items]      
Debt instrument, number of extension requests per year | extension_request   1  
Maximum borrowing capacity $ 1,000,000,000.0 $ 2,500,000,000  
Term of issuance 2 years    
Outstanding borrowings under the revolving credit facility   0 $ 0
Line of credit facility, draws during period   0 $ 0
Revolving Credit Facility, Tranche One [Member]      
Line of Credit Facility [Line Items]      
Maximum borrowing capacity   $ 1,250,000,000  
Term of issuance   3 years  
Revolving Credit Facility, Tranche Two [Member]      
Line of Credit Facility [Line Items]      
Maximum borrowing capacity   $ 1,250,000,000  
Term of issuance   5 years  
Revolving Credit Facility, Accordion Feature [Member]      
Line of Credit Facility [Line Items]      
Maximum borrowing capacity   $ 500,000,000