Financial risk management - Schedule of value at risk by type of asset (Detail) - PEN (S/) S/ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Disclosure of financial assets [line items] | ||
| VaR | S/ 41,776 | S/ 36,877 |
| Diversification effect | (874) | (4,196) |
| Exchange rate risk [member] | ||
| Disclosure of financial assets [line items] | ||
| VaR | 5,374 | 2,893 |
| Interest rate risk [member] | ||
| Disclosure of financial assets [line items] | ||
| VaR | 952 | 376 |
| Price risk [member] | ||
| Disclosure of financial assets [line items] | ||
| VaR | 36,324 | 37,804 |
| Equity investments [member] | ||
| Disclosure of financial assets [line items] | ||
| VaR | 38,170 | 36,036 |
| Debt investments [member] | ||
| Disclosure of financial assets [line items] | ||
| VaR | 116 | 131 |
| Derivatives and/or exchange position [member] | ||
| Disclosure of financial assets [line items] | ||
| VaR | 12,322 | 953 |
| Diversification effect [member] | ||
| Disclosure of financial assets [line items] | ||
| Diversification effect | S/ (8,832) | S/ (243) |