other income (Details) - CAD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| other income | ||||
| Government assistance | $ 2 | $ 2 | ||
| Lease and other sublease revenue | $ 3 | 45 | $ 7 | 49 |
| Gain on contributions of real estate to joint ventures | 10 | 15 | 8 | |
| Income (loss) from equity accounted investments, net | 2 | 1 | 2 | |
| Investment income (loss), gain (loss) on disposal of assets and other | (2) | 2 | 2 | 19 |
| Changes in provisions related to business combinations | (2) | 8 | 10 | |
| Total | $ 9 | $ 51 | $ 33 | $ 90 |