v3.26.1
INSURANCE AND REINSURANCE RESULT - Schedule of CSMs for Insurance Contracts Portfolios (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 components [line items]      
Balances at the beginning of the period S/ 10,575,804 S/ 9,567,014  
Changes in estimates adjusting the CSM 105 (5,689)  
Future service changes 24,694 15,575  
CSM recognized in consolidated statement of income for services rendered 137,032 125,610  
Changes related to the current service 773,693 684,033  
Other changes (563,993) 56,013  
Balances at the end of the period 11,657,694 10,575,804 S/ 9,567,014
CSM      
Disclosure of reconciliation of changes in insurance contracts by components [line items]      
Balances at the beginning of the period 794,935 887,586 992,526
Changes in estimates adjusting the CSM (28,094) (33,955) (11,445)
Future service changes (28,094) (33,955) (11,445)
CSM recognized in consolidated statement of income for services rendered (84,888) (91,995) (102,878)
Interest expense on insurance contracts issued (interest on CSM) 20,469 23,975 28,279
Changes related to the current service (64,419) (68,020) (74,599)
Other changes (56,872) 9,324 (18,896)
Balances at the end of the period S/ 645,550 S/ 794,935 S/ 887,586