condensed interim consolidated financial statements (Details) - CAD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| condensed interim consolidated financial statements | |||||
| Mobile handsets, parts and accessories | $ 362 | $ 362 | $ 376 | ||
| Costs of goods sold | $ 600 | $ 500 | $ 1,100 | $ 1,100 | |