v3.25.4
Miscellaneous financial information - Inventories of Crude Oil and Products (Detail) - CAD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Crude oil $ 1,067 $ 701
Petroleum products 461 513
Chemical products 64 57
Biofuels 225 40
Other 394 331
Total $ 2,211 $ 1,642