v3.26.1
TAX SITUATION - Schedule of Reconciliation of the Statutory Income Tax Rate to the Effective Tax Rate (Details) - PEN (S/)
S/ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
TAX SITUATION [Abstract]      
Theoretical tax and income tax rate in Peru S/ (2,914,200) S/ (2,307,300) S/ (2,040,900)
Theoretical tax and income tax rate in Peru (29.50%) (29.50%) (29.50%)
Decrease (Increase) in the statutory tax rate due to [Abstract]      
Decrease (Increase) due to the profit of subsidiaries not domiciled in Peru S/ (15,700) S/ (77,200) S/ 52,800
Provision tax on dividends (215,900) (146,700) (235,700)
Non-taxable income, net 280,800 329,900 335,300
Income tax and effective income tax rate S/ (2,864,899) S/ (2,201,275) S/ (1,888,451)
Reconciliation of average effective tax rate and applicable tax rate [abstract]      
Decrease (Increase) due to the profit of subsidiaries not domiciled in Peru (0.16%) (0.99%) 0.77%
Provision tax on dividends (2.17%) (1.88%) (3.44%)
Non-taxable income, net 2.82% 4.22% 4.59%
Income tax and effective income tax rate (29.01%) (28.15%) (27.58%)