v3.26.1
Assets and Liabilities for insurance and reinsurance contracts - Summary of caption is comprised (Detail) - PEN (S/)
S/ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure Of Reconciliation Of Changes Of Assets And Liabilities For Insurance Reinsurance Contracts [Line Items]      
Assets S/ (40,104) S/ 0  
Liabilities 13,058,772 12,522,352  
Net 13,018,668 12,522,352  
Total insurance contracts issued and reinsurance contracts held assets (57,182) (18,602)  
Total insurance contracts issued and reinsurance contracts held liabilities 13,063,254 12,524,320  
Total insurance contracts issued and reinsurance contracts held net 13,006,072 12,505,718  
Liability for remaining coverage [member]      
Disclosure Of Reconciliation Of Changes Of Assets And Liabilities For Insurance Reinsurance Contracts [Line Items]      
Net 12,027,699 11,593,754 S/ 11,301,149
Reinsurance contracts held [member]      
Disclosure Of Reconciliation Of Changes Of Assets And Liabilities For Insurance Reinsurance Contracts [Line Items]      
Assets (17,078) (18,602)  
Liabilities 4,482 1,968  
Net (12,596) (16,634)  
Insurance contracts issued [member] | Liability for remaining coverage [member]      
Disclosure Of Reconciliation Of Changes Of Assets And Liabilities For Insurance Reinsurance Contracts [Line Items]      
Assets (40,104) 0  
Liabilities 12,744,701 12,335,922  
Net 12,704,597 12,335,922  
Insurance contracts issued [member] | Liability for incurred claims [member]      
Disclosure Of Reconciliation Of Changes Of Assets And Liabilities For Insurance Reinsurance Contracts [Line Items]      
Assets (0) 0  
Liabilities 314,071 186,430  
Net S/ 314,071 S/ 186,430