Related parties (Other related party transactions) (Details) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
|
Feb. 04, 2026
USD ($)
|
Dec. 31, 2025
CAD ($)
|
Dec. 31, 2024
CAD ($)
|
|
| Disclosure of transactions between related parties [line items] | |||
| Sales revenue | $ 144,257 | $ 45,433 | |
| Fuel storage and handling | 1 | 50 | |
| Deferred sales | 0 | 0 | |
| Dividends received | 309,778 | 0 | |
| Product purchases | 461,652 | 456,963 | |
| Dividend received | 136,971 | 185,447 | |
| Balance outstanding sales revenue | 0 | 32 | |
| Balance outstanding fuel storage and handling | 0 | 26 | |
| Balance outstanding deferred sales | 32,148 | 75,083 | |
| Balance outstanding joint venture dividends received | 0 | 0 | |
| Balance outstanding product purchases | 439,521 | 301,652 | |
| Balance outstanding dividends received | $ 0 | $ 0 | |
| Subsequent [Member] | |||
| Disclosure of transactions between related parties [line items] | |||
| Dividend received | $ 49,000,000 | ||