v3.25.2
Financing costs (Tables)
 6 Months Ended
Jun. 30, 2025
Financing costs and additional notes and loans payable information [Abstract]  
Financing costs
       Second Quarter
       Six Months
       to June 30
millions of Canadian dollars2025 2024 2025 2024 
Debt-related interest
27 52 64 104 
Capitalized interest
(25)(39)(52)(80)
Net interest expense
2 13 12 24 
Other interest
— 1 (12)2 
Total financing
2 14 — 26