v3.26.1
CASH COLLATERAL, REVERSE REPURCHASE AGREEMENTS AND SECURITIES BORROWING AND PAYABLES FROM REPURCHASE AGREEMENTS AND SECURITIES LENDING - Schedule of Repurchase Agreement Secured with Cash and Investments (Details) - PEN (S/)
S/ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Debt instruments    
Disclosure of cash collateral, reverse repurchase agreements and securities borrowings and payables from repurchase agreements and security lending [Line Items]    
Carrying amount S/ 6,428,270 S/ 7,829,434
BCRP | Debt instruments    
Disclosure of cash collateral, reverse repurchase agreements and securities borrowings and payables from repurchase agreements and security lending [Line Items]    
Carrying amount 4,730,494 6,115,254
Barclays Bank PLC | Debt instruments    
Disclosure of cash collateral, reverse repurchase agreements and securities borrowings and payables from repurchase agreements and security lending [Line Items]    
Carrying amount 508,149 0
Natixis S.A. | Debt instruments    
Disclosure of cash collateral, reverse repurchase agreements and securities borrowings and payables from repurchase agreements and security lending [Line Items]    
Carrying amount 270,000 270,000
Banco Central de Bolivia | Debt instruments    
Disclosure of cash collateral, reverse repurchase agreements and securities borrowings and payables from repurchase agreements and security lending [Line Items]    
Carrying amount 236,527 343,571
Banco Santander Perú | Debt instruments    
Disclosure of cash collateral, reverse repurchase agreements and securities borrowings and payables from repurchase agreements and security lending [Line Items]    
Carrying amount 200,001 0
Banco de la República de Colombia | Debt instruments    
Disclosure of cash collateral, reverse repurchase agreements and securities borrowings and payables from repurchase agreements and security lending [Line Items]    
Carrying amount 178,172 281,837
Citigroup Global Markets Limited | Debt instruments    
Disclosure of cash collateral, reverse repurchase agreements and securities borrowings and payables from repurchase agreements and security lending [Line Items]    
Carrying amount 151,335 169,380
Natixis S.A. | Debt instruments    
Disclosure of cash collateral, reverse repurchase agreements and securities borrowings and payables from repurchase agreements and security lending [Line Items]    
Carrying amount 84,075 94,100
Barclays Capital I.N.C. | Debt instruments    
Disclosure of cash collateral, reverse repurchase agreements and securities borrowings and payables from repurchase agreements and security lending [Line Items]    
Carrying amount 9,090 9,090
BCRP - Reactiva Perú | Debt instruments    
Disclosure of cash collateral, reverse repurchase agreements and securities borrowings and payables from repurchase agreements and security lending [Line Items]    
Carrying amount 0 459,775
BCRP - Reactiva Perú Especial | Debt instruments    
Disclosure of cash collateral, reverse repurchase agreements and securities borrowings and payables from repurchase agreements and security lending [Line Items]    
Carrying amount 0 19,212
Balance before accrued interest | Debt instruments    
Disclosure of cash collateral, reverse repurchase agreements and securities borrowings and payables from repurchase agreements and security lending [Line Items]    
Carrying amount 6,367,843 7,762,219
Accrued interest | Debt instruments    
Disclosure of cash collateral, reverse repurchase agreements and securities borrowings and payables from repurchase agreements and security lending [Line Items]    
Carrying amount S/ 60,427 67,215
Repurchase Agreements    
Disclosure of cash collateral, reverse repurchase agreements and securities borrowings and payables from repurchase agreements and security lending [Line Items]    
Fixed interest annual rate 0.50%  
Agreement grace period 12 months  
Maximum exposure to credit risk S/ 533,100