Assets and Liabilities for insurance and reinsurance contracts - Summary of reconciliation of the amount included in net unrealized income for insurance premium reserves (Detail) - PEN (S/) S/ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure In Tabular Form Of Reconciliation Of Net Unrealized Income For Insurance Premium Reserves [Line Items] | |||
| Rate effect of "Renta Particular" contract | S/ 263,368 | S/ 47,497 | S/ 7,390 |
| Others | 894,675 | 283,143 | 1,130,864 |
| IFRS 17 [member] | Whole Life Cover And Surrender Options [Member] | |||
| Disclosure In Tabular Form Of Reconciliation Of Net Unrealized Income For Insurance Premium Reserves [Line Items] | |||
| Cumulative other comprehensive income, opening balance | 682,727 | 744,116 | |
| Losses recognized in other comprehensive income in the period | (735,370) | (59,554) | |
| Rate effect of "Renta Particular" contract | (1,850) | 1,065 | |
| Others | 725 | (2,900) | |
| Cumulative other comprehensive income, closing balance | S/ (53,768) | S/ 682,727 | S/ 744,116 |