v3.26.3
Financing costs (Tables)
 9 Months Ended
Sep. 30, 2026
Financing costs and additional notes and loans payable information [Abstract]  
Financing costs
       Third Quarter
       Nine Months
       to September 30
millions of Canadian dollars2026 2025 2026 2025 
Debt-related interest
32 39 96 103 
Capitalized interest
(24)(34)(68)(86)
Net interest expense
8 5 28 17 
Other interest
5 3 10 (9)
Total financing
13 8 38 8