Subsequent events - Additional Information (Detail) - Disposal of major subsidiary [member] - Moneris Solutions Corporation [Member] $ in Millions |
Aug. 10, 2026
CAD ($)
|
|---|---|
| Disclosure of non-adjusting events after reporting period [line items] | |
| Cash consideration | $ 2,000 |
| Estimated gain loss from disposal of joint venture, after tax | 475 |
| Estimated gain loss from disposal of joint venture pre-tax | $ 560 |
| Percentage of voting equity interests acquired | 50.00% |