XML 153 R124.htm IDEA: XBRL DOCUMENT v3.22.4
Long-Term Debt - Carrying Value of Long Term Debt Instruments (Detail)
$ in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2022
CAD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
CAD ($)
Disclosure of detailed information about borrowings [Line Items]      
Long-term debt $ 6,234   $ 4,882
3.050% Senior notes [Member]      
Disclosure of detailed information about borrowings [Line Items]      
Issue date Aug. 27, 2020    
Maturity date Aug. 27, 2060    
Par value   $ 1,155  
Long-term debt $ 1,559   1,455
5.375% Senior notes [Member]      
Disclosure of detailed information about borrowings [Line Items]      
Issue date Mar. 04, 2016    
Maturity date Mar. 04, 2046    
Par value   750  
Long-term debt $ 1,004   939
3.703% Senior notes [Member]      
Disclosure of detailed information about borrowings [Line Items]      
Issue date Mar. 16, 2022    
Maturity date Mar. 16, 2032    
Par value   750  
Long-term debt $ 1,011    
2.396% Senior notes [Member]      
Disclosure of detailed information about borrowings [Line Items]      
Issue date Jun. 01, 2020    
Maturity date Jun. 01, 2027    
Par value   200  
Long-term debt $ 270   253
2.484% Senior notes [Member]      
Disclosure of detailed information about borrowings [Line Items]      
Issue date May 19, 2020    
Maturity date May 19, 2027    
Par value   500  
Long-term debt $ 674   630
3.527% Senior notes [Member]      
Disclosure of detailed information about borrowings [Line Items]      
Issue date Dec. 02, 2016    
Maturity date Dec. 02, 2026    
Par value   270  
Long-term debt $ 365   342
4.150% Senior notes [Member]      
Disclosure of detailed information about borrowings [Line Items]      
Issue date Mar. 04, 2016    
Maturity date Mar. 04, 2026    
Par value   $ 1,000  
Long-term debt $ 1,351   $ 1,263