v3.26.1
FINANCIAL AND NON-FINANCIAL RISK MANAGEMENT - Schedule of Market Price Sensitivity Tests (Details) - PEN (S/)
S/ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Equity Securities at 10 Percent Change    
Market price sensitivity tests [Abstract]    
Sensitivity analysis, percentage changes in market price 10.00%  
Sensitivity analysis, expected unrealized gain (loss) due to change in market price S/ 9,032 S/ 14,726
Equity Securities at 25 Percent Change    
Market price sensitivity tests [Abstract]    
Sensitivity analysis, percentage changes in market price 25.00%  
Sensitivity analysis, expected unrealized gain (loss) due to change in market price S/ 22,581 36,816
Equity Securities at 30 Percent Change    
Market price sensitivity tests [Abstract]    
Sensitivity analysis, percentage changes in market price 30.00%  
Sensitivity analysis, expected unrealized gain (loss) due to change in market price S/ 27,097 44,179
Participation in Mutual Funds at 10 Percent Change    
Market price sensitivity tests [Abstract]    
Sensitivity analysis, percentage changes in market price 10.00%  
Sensitivity analysis, expected unrealized gain (loss) due to change in market price S/ 70,494 62,216
Participation in Mutual Funds at 25 Percent Change    
Market price sensitivity tests [Abstract]    
Sensitivity analysis, percentage changes in market price 25.00%  
Sensitivity analysis, expected unrealized gain (loss) due to change in market price S/ 176,234 155,539
Participation in Mutual Funds at 30 Percent Change    
Market price sensitivity tests [Abstract]    
Sensitivity analysis, percentage changes in market price 30.00%  
Sensitivity analysis, expected unrealized gain (loss) due to change in market price S/ 211,481 186,647
Restricted Mutual Funds at 10 Percent Change    
Market price sensitivity tests [Abstract]    
Sensitivity analysis, percentage changes in market price 10.00%  
Sensitivity analysis, expected unrealized gain (loss) due to change in market price S/ 33,616 31,820
Restricted Mutual Funds at 25 Percent Change    
Market price sensitivity tests [Abstract]    
Sensitivity analysis, percentage changes in market price 25.00%  
Sensitivity analysis, expected unrealized gain (loss) due to change in market price S/ 84,040 79,549
Restricted Mutual Funds at 30 Percent Change    
Market price sensitivity tests [Abstract]    
Sensitivity analysis, percentage changes in market price 30.00%  
Sensitivity analysis, expected unrealized gain (loss) due to change in market price S/ 100,848 95,459
Participation in RAL Funds at 10 Percent Change    
Market price sensitivity tests [Abstract]    
Sensitivity analysis, percentage changes in market price 10.00%  
Sensitivity analysis, expected unrealized gain (loss) due to change in market price S/ 12,539 43,250
Participation in RAL Funds at 25 Percent Change    
Market price sensitivity tests [Abstract]    
Sensitivity analysis, percentage changes in market price 25.00%  
Sensitivity analysis, expected unrealized gain (loss) due to change in market price S/ 31,348 108,126
Participation in RAL Funds at 30 Percent Change    
Market price sensitivity tests [Abstract]    
Sensitivity analysis, percentage changes in market price 30.00%  
Sensitivity analysis, expected unrealized gain (loss) due to change in market price S/ 37,618 129,751
Investment Funds at 10 Percent Change    
Market price sensitivity tests [Abstract]    
Sensitivity analysis, percentage changes in market price 10.00%  
Sensitivity analysis, expected unrealized gain (loss) due to change in market price S/ 149,817 140,196
Investment Funds at 25 Percent Change    
Market price sensitivity tests [Abstract]    
Sensitivity analysis, percentage changes in market price 25.00%  
Sensitivity analysis, expected unrealized gain (loss) due to change in market price S/ 374,542 350,489
Investment Funds at 30 Percent Change    
Market price sensitivity tests [Abstract]    
Sensitivity analysis, percentage changes in market price 30.00%  
Sensitivity analysis, expected unrealized gain (loss) due to change in market price S/ 449,451 420,587
Exchange Trade Funds at 10 Percent Change    
Market price sensitivity tests [Abstract]    
Sensitivity analysis, percentage changes in market price 10.00%  
Sensitivity analysis, expected unrealized gain (loss) due to change in market price S/ 3,410 3,931
Exchange Trade Funds at 25 Percent Change    
Market price sensitivity tests [Abstract]    
Sensitivity analysis, percentage changes in market price 25.00%  
Sensitivity analysis, expected unrealized gain (loss) due to change in market price S/ 8,524 9,827
Exchange Trade Funds at 30 Percent Change    
Market price sensitivity tests [Abstract]    
Sensitivity analysis, percentage changes in market price 30.00%  
Sensitivity analysis, expected unrealized gain (loss) due to change in market price S/ 10,229 S/ 11,793