v3.26.1
INSURANCE AND REINSURANCE CONTRACTS ASSETS AND LIABILITIES - Narrative (Details) - PEN (S/)
S/ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Disclosure of reconciliation of changes in insurance contracts by remaining coverage and incurred claims [line items]    
Contractual service margin of insurance contracts under fair value approach S/ 645.6  
General Model    
Disclosure of reconciliation of changes in insurance contracts by remaining coverage and incurred claims [line items]    
Insurance contracts that are liabilities 10,507.1 S/ 9,536.8
Variable Fee Approach    
Disclosure of reconciliation of changes in insurance contracts by remaining coverage and incurred claims [line items]    
Insurance contracts that are liabilities S/ 1,150.6 S/ 1,039.0