v3.26.1
INVESTMENTS - Narrative (Details)
S/ in Thousands, $ in Millions
 12 Months Ended
Dec. 31, 2025
PEN (S/)
certificate
Dec. 31, 2024
PEN (S/)
certificate
Dec. 31, 2025
USD ($)
Aug. 31, 2025
PEN (S/)
Dec. 31, 2024
USD ($)
Jun. 30, 2024
PEN (S/)
Disclosure of financial assets [line items]            
Provision of credit losses S/ 53,900 S/ 27,900        
At fair value through profit or loss 4,957,236 4,715,343        
Financial assets at amortized cost            
Disclosure of financial assets [line items]            
Fair value of underlying assets 323,500 1,063,400        
Cash Flow Hedges            
Disclosure of financial assets [line items]            
Notional amount   76,400     $ 20.3  
Interest rate swaps | Fair Value Hedges            
Disclosure of financial assets [line items]            
Notional amount 504,500 790,400        
Corporate bonds            
Disclosure of financial assets [line items]            
At fair value through profit or loss 87,644 75,601        
Corporate bonds | Fair Value Hedges            
Disclosure of financial assets [line items]            
Notional amount 167,300 S/ 125,200 $ 49.7   $ 33.3  
Corporate bonds | Cash Flow Hedges | Currency swaps            
Disclosure of financial assets [line items]            
Notional amount S/ 47,000          
Certificates of deposit BCRP            
Disclosure of financial assets [line items]            
Number of certificates of deposits | certificate 110,274 116,499        
Sovereign Bonds            
Disclosure of financial assets [line items]            
Fair value of underlying assets       S/ 3,729,700   S/ 780,800
At fair value through profit or loss       99,000   26,000
Financial assets available-for-sale           795,400
Sovereign Bonds | Financial assets at amortized cost            
Disclosure of financial assets [line items]            
Fair value of underlying assets       S/ 3,438,200   S/ 1,450,000
United States of America            
Disclosure of financial assets [line items]            
Percentage of corporate bonds issued 41.10% 42.20%        
United States of America | Corporate bonds            
Disclosure of financial assets [line items]            
Percentage of corporate bonds issued 5.60%          
In Peru            
Disclosure of financial assets [line items]            
Percentage of corporate bonds issued 33.30% 33.20%        
In Peru | Corporate bonds            
Disclosure of financial assets [line items]            
Percentage of corporate bonds issued 21.20% 30.60%        
Chile            
Disclosure of financial assets [line items]            
Percentage of corporate bonds issued 3.90%          
Chile | Corporate bonds            
Disclosure of financial assets [line items]            
Percentage of corporate bonds issued 9.80% 23.90%        
Colombia            
Disclosure of financial assets [line items]            
Percentage of corporate bonds issued 3.30% 3.60%        
Colombia | Corporate bonds            
Disclosure of financial assets [line items]            
Percentage of corporate bonds issued 40.60% 15.70%        
Others            
Disclosure of financial assets [line items]            
Percentage of corporate bonds issued 18.40% 21.00%        
Others | Corporate bonds            
Disclosure of financial assets [line items]            
Percentage of corporate bonds issued 14.80% 18.10%        
Bolivia | Certificates of deposit BCRP | Others            
Disclosure of financial assets [line items]            
Total S/ 231,300 S/ 417,800        
Repurchase Agreement            
Disclosure of financial assets [line items]            
Investments in equity instruments designated at fair value through other comprehensive income S/ 5,990,900 S/ 5,934,500