real estate joint ventures and investments in associates - Investment activity (Details) - Real estate joint ventures - Equity - CAD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Related to real estate joint ventures' statements of income and other comprehensive income | ||||
| Valuation provision | $ 3 | |||
| Items not affecting currently reported cash flows | ||||
| Our real estate contributed | 19 | 35 | 17 | |
| Deferred gains on our remaining interests in our real estate contributed | (9) | (14) | (8) | |
| Cash flows in the current reporting period | ||||
| Funds we advanced or contributed | 1 | 1 | ||
| Funds repaid to us and earnings distributed | (6) | (1) | ||
| Real estate joint ventures carrying amounts | ||||
| Balance, beginning of period | 242 | 189 | 237 | 178 |
| Balance, end of period | $ 253 | $ 189 | $ 253 | $ 189 |