v3.25.4
Long-term debt - Summary of Long-Term Debt (Detail) - CAD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Debt Disclosure [Abstract]    
Long-term debt, related party amount $ 3,447 $ 3,447
Finance leases 531 545
Total long-term debt [1] $ 3,978 $ 3,992
[1]
(c) Long-term debt included amounts to related parties (note 16). 3,4473,447