v3.26.1
INSURANCE AND REINSURANCE CONTRACTS ASSETS AND LIABILITIES - Schedule of Components of Movements of Insurance Contracts (Details) - PEN (S/)
S/ in Thousands
 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]    
Balances at the beginning of the period S/ 10,575,804 S/ 9,567,014
Changes in the statement of income:    
Changes in estimates that adjust the CSM 105 (5,689)
Changes in estimates that result in losses and recoveries for contract losses onerous (9,973) (9,630)
Initial recognition contracts 34,562 30,894
Changes related to future services 24,694 15,575
CSM recognized for services provided (137,032) (125,610)
Changes in the risk adjustment recognized for the expired risk (21,026) (20,039)
Experience adjustments 931,751 829,682
Changes related to current services 773,693 684,033
Adjustments to liabilities for incurred claims (847,817) (703,341)
Result of the insurance service (49,430) (3,733)
Net financial expenses for insurance contracts 1,100,880 613,487
Total changes in the consolidated income statement 1,051,450 609,754
Other changes (563,993) 56,013
Cash flow:    
Premiums received 1,886,374 1,500,797
Claims and other service expenses paid (1,190,631) (1,077,186)
Insurance acquisition cash flows (101,310) (80,588)
Net cash flow 594,433 343,023
Balances at the end of the period 11,657,694 10,575,804
Present Value of Fulfillment Cash Flows    
Disclosure of reconciliation of changes in insurance contracts by remaining coverage and incurred claims [line items]    
Balances at the beginning of the period 9,164,961 8,220,567
Changes in the statement of income:    
Changes in estimates that adjust the CSM 873 (19,665)
Changes in estimates that result in losses and recoveries for contract losses onerous (6,299) (8,949)
Initial recognition contracts (122,940) (102,195)
Changes related to future services (128,366) (130,809)
CSM recognized for services provided 0 0
Changes in the risk adjustment recognized for the expired risk 0 0
Experience adjustments 931,751 829,682
Changes related to current services 931,751 829,682
Adjustments to liabilities for incurred claims (858,036) (713,268)
Result of the insurance service (54,651) (14,395)
Net financial expenses for insurance contracts 1,048,399 564,473
Total changes in the consolidated income statement 993,748 550,078
Other changes (470,998) 51,293
Cash flow:    
Premiums received 1,886,374 1,500,797
Claims and other service expenses paid (1,190,631) (1,077,186)
Insurance acquisition cash flows (101,310) (80,588)
Net cash flow 594,433 343,023
Balances at the end of the period 10,282,144 9,164,961
Risk adjustment for non-financial risk    
Disclosure of reconciliation of changes in insurance contracts by remaining coverage and incurred claims [line items]    
Balances at the beginning of the period 152,793 144,207
Changes in the statement of income:    
Changes in estimates that adjust the CSM 11,354 4,441
Changes in estimates that result in losses and recoveries for contract losses onerous 2,109 (681)
Initial recognition contracts 16,992 9,628
Changes related to future services 30,455 13,388
CSM recognized for services provided 0 0
Changes in the risk adjustment recognized for the expired risk (21,026) (20,039)
Experience adjustments 0 0
Changes related to current services (21,026) (20,039)
Adjustments to liabilities for incurred claims 10,219 9,927
Result of the insurance service 19,648 3,276
Net financial expenses for insurance contracts 4,032 3,896
Total changes in the consolidated income statement 23,680 7,172
Other changes (12,040) 1,414
Cash flow:    
Premiums received 0 0
Claims and other service expenses paid 0 0
Insurance acquisition cash flows 0 0
Net cash flow 0 0
Balances at the end of the period 164,433 152,793
Contractual Service Margin (CSM)    
Disclosure of reconciliation of changes in insurance contracts by remaining coverage and incurred claims [line items]    
Balances at the beginning of the period 1,258,050 1,202,240
Changes in the statement of income:    
Changes in estimates that adjust the CSM (12,122) 9,535
Changes in estimates that result in losses and recoveries for contract losses onerous (5,783) 0
Initial recognition contracts 140,510 123,461
Changes related to future services 122,605 132,996
CSM recognized for services provided (137,032) (125,610)
Changes in the risk adjustment recognized for the expired risk 0 0
Experience adjustments 0 0
Changes related to current services (137,032) (125,610)
Adjustments to liabilities for incurred claims 0 0
Result of the insurance service (14,427) 7,386
Net financial expenses for insurance contracts 48,449 45,118
Total changes in the consolidated income statement 34,022 52,504
Other changes (80,955) 3,306
Cash flow:    
Premiums received 0 0
Claims and other service expenses paid 0 0
Insurance acquisition cash flows 0 0
Net cash flow 0 0
Balances at the end of the period S/ 1,211,117 S/ 1,258,050