v3.26.1
INVESTMENTS - Schedule of Investment at Fair Value Through Profit or Loss Footnotes (Details)
S/ in Millions, Bs. in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2025
BOB (Bs.)
Dec. 31, 2024
BOB (Bs.)
Dec. 31, 2025
PEN (S/)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
PEN (S/)
Dec. 31, 2024
USD ($)
In Peru            
Disclosure of financial assets [line items]            
Percentage of corporate bonds issued 33.30% 33.20%        
United States of America            
Disclosure of financial assets [line items]            
Percentage of corporate bonds issued 41.10% 42.20%        
Colombia            
Disclosure of financial assets [line items]            
Percentage of corporate bonds issued 3.30% 3.60%        
Other Countries            
Disclosure of financial assets [line items]            
Percentage of corporate bonds issued 18.40% 21.00%        
Chile            
Disclosure of financial assets [line items]            
Percentage of corporate bonds issued 3.90%          
Boliviano | Participation in RAL Funds            
Disclosure of financial assets [line items]            
Estimated fair value Bs. 303.1 Bs. 725.5 S/ 121.1   S/ 398.1  
U.S. Dollar | Participation in RAL Funds            
Disclosure of financial assets [line items]            
Estimated fair value     S/ 4.3 $ 1.3 S/ 34.4 $ 9.1
Investment funds | In Peru            
Disclosure of financial assets [line items]            
Percentage of financial assets 62.40% 59.60% 62.40% 62.40% 59.60% 59.60%
Investment funds | United States of America            
Disclosure of financial assets [line items]            
Percentage of financial assets 21.30% 27.50% 21.30% 21.30% 27.50% 27.50%
Investment funds | Colombia            
Disclosure of financial assets [line items]            
Percentage of financial assets 11.20% 9.50% 11.20% 11.20% 9.50% 9.50%
Investment funds | Other Countries            
Disclosure of financial assets [line items]            
Percentage of financial assets 5.10% 3.40% 5.10% 5.10% 3.40% 3.40%
Mutual funds | Other Countries            
Disclosure of financial assets [line items]            
Percentage of mutual fund 6.50% 11.70% 6.50% 6.50% 11.70% 11.70%
Mutual funds | Bolivia            
Disclosure of financial assets [line items]            
Percentage of mutual fund 43.20% 63.30% 43.20% 43.20% 63.30% 63.30%
Mutual funds | Chile            
Disclosure of financial assets [line items]            
Percentage of mutual fund 27.90%   27.90% 27.90%    
Mutual funds | Ireland            
Disclosure of financial assets [line items]            
Percentage of mutual fund 11.30% 12.50% 11.30% 11.30% 12.50% 12.50%
Mutual funds | Luxembourg            
Disclosure of financial assets [line items]            
Percentage of mutual fund 11.10% 12.50% 11.10% 11.10% 12.50% 12.50%
Corporate bonds | In Peru            
Disclosure of financial assets [line items]            
Percentage of corporate bonds issued 21.20% 30.60%        
Corporate bonds | United States of America            
Disclosure of financial assets [line items]            
Percentage of corporate bonds issued 5.60%          
Corporate bonds | Colombia            
Disclosure of financial assets [line items]            
Percentage of corporate bonds issued 40.60% 15.70%        
Corporate bonds | Other Countries            
Disclosure of financial assets [line items]            
Percentage of corporate bonds issued 14.80% 18.10%        
Corporate bonds | Chile            
Disclosure of financial assets [line items]            
Percentage of corporate bonds issued 9.80% 23.90%        
Corporate bonds | Brazil            
Disclosure of financial assets [line items]            
Percentage of corporate bonds issued 8.00% 11.70%