v3.26.1
Assets and Liabilities for insurance and reinsurance contracts - Summary of issued insurance contracts' net asset or liability (Parenthetical) (Detail) - PEN (S/)
S/ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure Of Reconciliation Of Changes In Insurance Contracts By Components Of Life Insurance [Line Items]      
Insurance revenue, amounts relating to changes in liability for remaining coverage S/ 1,124,366 S/ 768,758 S/ 720,636
Assets (40,104) 0  
Liabilities 13,058,772 12,522,352  
Life insurance [member]      
Disclosure Of Reconciliation Of Changes In Insurance Contracts By Components Of Life Insurance [Line Items]      
Insurance revenue, amounts relating to changes in liability for remaining coverage 179,897,000 S/ 69,094,000  
Assets 40,104,000    
Liabilities S/ 220,001,000