v3.26.1
Financial investments - Additional information (Detail) - PEN (S/)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of financial assets [line items]      
Debt securities held S/ 21,662,651,000 S/ 20,724,892,000  
(Loss) recovery due to impairment of financial investments 263,761,000 47,521,000 S/ 7,500,000
Investments at amortized cost 70,078,996,000 67,579,297,000  
Investments estimated fair value 4,026,559,000 3,775,935,000  
Investments measured at fair value through profit or loss held for trading 163,645,000 152,755,000  
Investments mandatorily measured at fair value through profit or loss 1,802,346,000 1,623,812,000  
Net gain from financial assets at fair value through profit or loss 303,906,000 95,783,000 53,134,000
Dividend From Entities 56,258,000 37,312,000 33,941,000
Gain(Loss) on sale of shares at fair value through other comprehensive income 1,769,000 53,737,000 33,433,000
Term Deposit [Member]      
Disclosure of financial assets [line items]      
Investments estimated fair value 140,840,000 98,658,000  
Term Deposit Issued Value 140,840,000 98,658,000  
Accured Interest On Term Deposit S/ 7,774,000 S/ 12,143,000  
Bottom of range [member]      
Disclosure of financial assets [line items]      
Investments maturity date August 2026 August 2026  
Investments effective interest rate 4.36% 4.36%  
Bottom of range [member] | Term Deposit [Member]      
Disclosure of financial assets [line items]      
Investments maturity date January 2026 January 2025  
Investments effective interest rate 3.00% 3.10%  
Top of range [member]      
Disclosure of financial assets [line items]      
Investments maturity date August 2039 August 2039  
Investments effective interest rate 7.76% 7.76%  
Top of range [member] | Term Deposit [Member]      
Disclosure of financial assets [line items]      
Investments maturity date February 2029 February 2029  
Investments effective interest rate 5.00% 8.80%  
RPI international holding [member]      
Disclosure of financial assets [line items]      
Dividends from investments S/ 20,518,000 S/ 12,084,000 8,838,000
InRetail Peru Corp. [Member]      
Disclosure of financial assets [line items]      
Debt securities held 28,471,000 40,591,000 80,372,000
Sovereign bonds of the republic of peru [member]      
Disclosure of financial assets [line items]      
Investments at amortized cost 3,848,175,000 3,799,540,000  
Accured Interest on borrowings 97,662,000 101,143,000  
Financial Investments at Amortized Cost [member]      
Disclosure of financial assets [line items]      
Investments at amortized cost   630,749,000 482,632,000
Financial Investments [Member]      
Disclosure of financial assets [line items]      
Debt securities held 21,662,651,000 20,724,892,000  
Investments at amortized cost 3,989,015,000 3,898,198,000  
Gain arising from derecognition of financial assets measured at amortised cost   866,000  
Losses arising from derecognition of financial assets measured at amortised cost     490,000
Financial Investments [Member] | Interbank [Member]      
Disclosure of financial assets [line items]      
Investments at amortized cost   628,675,000 S/ 488,127,000
Loans issued by BCRP [member] | Interbank [Member]      
Disclosure of financial assets [line items]      
Debt securities held 1,436,030,000 1,861,524,000  
Loans Issued By ForeignBank [Member] | Interbank [Member]      
Disclosure of financial assets [line items]      
Debt securities held S/ 424,005,000 S/ 435,242,000