Fair Value - Summary of fair value measurement of assets (Detail) - PEN (S/) S/ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Disclosure of fair value measurement of assets [line items] | ||
| Initial balance as of January 1 | S/ 22,755,841 | |
| Balance as of December 31 | 23,942,415 | S/ 22,755,841 |
| Level 3 [member] | ||
| Disclosure of fair value measurement of assets [line items] | ||
| Initial balance as of January 1 | 1,049,781 | 919,866 |
| Purchases | 103,912 | 81,369 |
| Sales | (122,565) | (78,231) |
| Gain recognized on the consolidated statement of income | 54,752 | 126,777 |
| Balance as of December 31 | S/ 1,085,880 | S/ 1,049,781 |