v3.26.1
Interest income and expenses, and similar accounts - Summary of information about interest income (expense) (Detail) - PEN (S/)
S/ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Interest and similar income      
Interest on loan portfolio S/ 5,080,562 S/ 5,158,254 S/ 5,324,587
Interest on investments at fair value through other comprehensive income 1,186,037 1,218,304 1,199,059
Interest on due from banks and inter-bank funds 297,662 372,622 367,167
Interest on investments at amortized cost 230,445 217,716 172,602
Dividends on financial instruments, Note 5(e) and (f) 76,776 49,396 42,779
Others 16,895 13,099 14,217
Total 6,888,377 7,029,391 7,120,411
Interest and similar expenses      
Interest and fees on deposits and obligations (1,245,794) (1,495,881) (1,662,139)
Interest and fees on due to banks and correspondents (413,547) (482,392) (474,362)
Interest on bonds, notes and other obligations (386,383) (327,385) (311,665)
Insurance contract expense with investment component, Note 3.4(d.1.5) (103,962) (71,202) (51,190)
Deposit insurance fund fees (90,604) (86,776) (81,171)
Interest on lease payments, Note 8(e) (9,545) (7,627) (5,562)
Others (9,136) (9,007) (6,277)
Total S/ (2,258,971) S/ (2,480,270) S/ (2,592,366)