income taxes - Additional information (Details) - CAD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2024 |
Jun. 30, 2023 |
Jun. 30, 2024 |
Jun. 30, 2023 |
|
| Detailed Information Of Income Taxes | ||||
| Applicable tax rate | 23.80% | 24.20% | 23.50% | 23.30% |
| Current income tax expense related to the Pillar Two tax | $ 1 | |||
| Bulgaria | ||||
| Detailed Information Of Income Taxes | ||||
| Applicable tax rate | 10.00% | |||
| Ireland | ||||
| Detailed Information Of Income Taxes | ||||
| Applicable tax rate | 12.50% | |||