v3.26.1
Financing costs
3 Months Ended
Mar. 31, 2026
Financing costs and additional notes and loans payable information [Abstract]  
Financing costs Financing costs
       Three Months
       to March 31
millions of Canadian dollars2026 2025 
Debt-related interest
31 37 
Capitalized interest
(21)(27)
Net interest expense
10 10 
Other interest
1 (12)
Total financing
11 (2)