v3.26.1
INSURANCE AND REINSURANCE CONTRACTS ASSETS AND LIABILITIES - Schedule of Assets Per Reinsurance Contract (Details) - 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 remaining coverage and incurred claims [line items]      
Future service changes S/ 24,694 S/ 15,575  
Result of the reinsurance service (458,825) (494,597) S/ (391,321)
Other changes (563,993) 56,013  
Cash flow:      
Net cash flow 594,433 343,023  
Reinsurance contracts      
Disclosure of reconciliation of changes in insurance contracts by remaining coverage and incurred claims [line items]      
Balances at the beginning of the period 841,170 872,046  
Directly attributable expenses incurred 504,065 343,855  
Changes related to past services (328,799) (158,503)  
Future service changes (2,028) (5,735)  
Reinsurance recoveries 173,238 179,617 448,491
Expenses for assigning the premiums paid to the reinsurer (632,063) (674,214) (839,812)
Result of the reinsurance service (458,825) (494,597) (391,321)
Net financial expenses for reinsurance contracts 40,528 30,377  
Other changes (94,774) (31,916)  
Cash flow:      
Premiums paid net of commissions ceded and other directly attributable expenses paid 747,662 767,853  
Reinsurance recoveries (367,201) (302,593)  
Net cash flow 380,461 465,260  
Balances at the end of the period 708,560 841,170 872,046
Reinsurance contracts | Asset for remaining coverage      
Disclosure of reconciliation of changes in insurance contracts by remaining coverage and incurred claims [line items]      
Balances at the beginning of the period (58,399) (133,054)  
Directly attributable expenses incurred 0 0  
Changes related to past services 0 0  
Future service changes (2,028) (5,735)  
Reinsurance recoveries (2,028) (5,735)  
Expenses for assigning the premiums paid to the reinsurer (632,063) (674,214)  
Result of the reinsurance service (634,091) (679,949)  
Net financial expenses for reinsurance contracts 0 0  
Other changes (48,573) (13,237)  
Cash flow:      
Premiums paid net of commissions ceded and other directly attributable expenses paid 747,662 767,841  
Reinsurance recoveries 0 0  
Net cash flow 747,662 767,841  
Balances at the end of the period 6,599 (58,399) (133,054)
Reinsurance contracts | Incurred claims assets - contracts measured by PAA      
Disclosure of reconciliation of changes in insurance contracts by remaining coverage and incurred claims [line items]      
Balances at the beginning of the period 899,569 1,005,100  
Directly attributable expenses incurred 504,065 343,855  
Changes related to past services (328,799) (158,503)  
Future service changes 0 0  
Reinsurance recoveries 175,266 185,352  
Expenses for assigning the premiums paid to the reinsurer 0 0  
Result of the reinsurance service 175,266 185,352  
Net financial expenses for reinsurance contracts 40,528 30,377  
Other changes (46,201) (18,679)  
Cash flow:      
Premiums paid net of commissions ceded and other directly attributable expenses paid 0 12  
Reinsurance recoveries (367,201) (302,593)  
Net cash flow (367,201) (302,581)  
Balances at the end of the period S/ 701,961 S/ 899,569 S/ 1,005,100