Expected credit loss measurement - Economic scenarios and weights applied (Detail) |
6 Months Ended | ||
|---|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
Jun. 30, 2025 |
|
| Asset price appreciation | |||
| Disclosure Of Provision Matrix [Line Items] | |||
| Assigned weights | 5.00% | 5.00% | 5.00% |
| Baseline | |||
| Disclosure Of Provision Matrix [Line Items] | |||
| Assigned weights | 50.00% | 50.00% | 50.00% |
| Moderate stagflation crisis | |||
| Disclosure Of Provision Matrix [Line Items] | |||
| Assigned weights | 30.00% | 30.00% | 0.00% |
| Global trade war | |||
| Disclosure Of Provision Matrix [Line Items] | |||
| Assigned weights | 15.00% | 15.00% | 0.00% |
| Mild stagflation crisis | |||
| Disclosure Of Provision Matrix [Line Items] | |||
| Assigned weights | 0.00% | 0.00% | 30.00% |
| Global crisis | |||
| Disclosure Of Provision Matrix [Line Items] | |||
| Assigned weights | 0.00% | 0.00% | 15.00% |