v3.26.1
CASH AND DUE FROM BANKS - Schedule of Composition of Funds (Details)
S/ in Thousands, $ in Millions
 12 Months Ended
Dec. 31, 2025
PEN (S/)
overnightDeposit
Dec. 31, 2024
PEN (S/)
overnightDeposit
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Legal cash requirements        
Deposits with Central Reserve Bank of Peru S/ 20,229,572 S/ 21,665,571    
Deposits with Central Bank of Bolivia 1,336,684 1,414,889    
Deposits with Bank of the Republic of Colombia 22,527 0    
Cash in vaults of Bank 4,793,787 4,420,164    
Total legal cash requirements 26,382,570 27,500,624    
Additional funds        
Overnight deposits with Central Reserve Bank of Peru 14,756,380 14,049,388    
Term deposits with Central Reserve Bank of Peru 1,732,600 240,000    
Cash in vaults of Bank and others 492,455 472,080    
Other Deposits BCRP 0 710,522    
Total additional funds 16,981,435 15,471,990    
Total S/ 43,364,005 S/ 42,972,614    
Implicit interest rate, domestic 5.61% 5.61% 5.61% 5.61%
Implicit interest rate, foreign 34.59% 34.60% 34.59% 34.60%
Nominal amount of hedging instrument 504,500 564,600 150.0 150.0
Overnight deposits S/ 14,326,400 S/ 13,614,400 $ 4,260.0 $ 3,617.0
Overnight deposits equivalents to Sol currency S/ 435,000 S/ 435,000    
Maturity period of overnight deposits 5 days 3 days    
Bottom of range        
Additional funds        
Interest rate on term deposits held with BCRP 4.06% 4.81%    
Top of range        
Additional funds        
Interest rate on term deposits held with BCRP 4.21% 4.84%    
Dollars        
Additional funds        
Number of overnight deposits | overnightDeposit 2 2    
Interest rate on overnight deposits 3.57% 4.44% 3.57% 4.44%
Soles        
Additional funds        
Number of overnight deposits | overnightDeposit 1 2    
Interest rate on overnight deposits 2.25% 3.00% 2.25% 3.00%