XML 187 R157.htm IDEA: XBRL DOCUMENT v3.22.0.1
Credit Facilities, Long-Term Debt and Lease Liabilities - Principal Repayments (Details) - CAD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Disclosure of detailed information about borrowings [line items]    
Borrowings $ 3,267 $ 3,361
2022    
Disclosure of detailed information about borrowings [line items]    
Lease commitments for short-term leases for which recognition exemption has been used 13  
Gross carrying amount    
Disclosure of detailed information about borrowings [line items]    
Borrowings 3,198  
Lease liabilities 100  
Gross carrying amount | 2022    
Disclosure of detailed information about borrowings [line items]    
Borrowings 836  
Lease liabilities (6)  
Gross carrying amount | 2023    
Disclosure of detailed information about borrowings [line items]    
Borrowings 155  
Lease liabilities 4  
Gross carrying amount | 2024    
Disclosure of detailed information about borrowings [line items]    
Borrowings 113  
Lease liabilities 3  
Gross carrying amount | 2025    
Disclosure of detailed information about borrowings [line items]    
Borrowings 127  
Lease liabilities 3  
Gross carrying amount | 2026    
Disclosure of detailed information about borrowings [line items]    
Borrowings 127  
Lease liabilities 3  
Gross carrying amount | 2027    
Disclosure of detailed information about borrowings [line items]    
Borrowings 1,840  
Lease liabilities $ 93