v3.26.3
Business segments - Table Narrative (Detail) - CAD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Segment Reporting [Line Items]        
Revenue from contracts with customers $ 14,163 $ 9,696 $ 37,542 $ 29,390
Revenue outside the scope of ASC 606 2,016 2,298 7,034 6,278
Revenues including federal excise tax [1] 16,179 11,994 44,576 35,668
United States Exports        
Segment Reporting [Line Items]        
Revenues including federal excise tax $ 3,352 $ 2,404 $ 8,985 $ 7,110
[1]
(a) Amounts from related parties included in revenues.4,592 3,345 13,438 10,340