Financial Liabilities at Amortized Cost - Schedule of Repurchase Agreements and Securities Lending (Details) - Demand [member] - CLP ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Transactions with other entities abroad
Transactions with other entities abroad
Total	286,915	109,794
Repurchase agreements with other banks [Member] \| Transaction with domestic banks [Member]
Transactions with domestic banks
Transaction with domestic banks
Repurchase agreements with other banks [Member] \| Transaction with foreign banks [Member]
Transactions with foreign banks
Transaction with foreign banks
Repurchase agreements with other banks [Member] \| Transaction with other domestic entities [Member]
Transactions with other domestic entities
Transaction with other domestic entities	286,915	109,794
Repurchase agreements with the Central Banks of Chile [Member] \| Transaction with domestic banks [Member]
Transactions with domestic banks
Transaction with domestic banks
Repurchase agreements with the Central Banks of Chile [Member] \| Transaction with foreign banks [Member]
Transactions with foreign banks
Transaction with foreign banks
Obligations from securities lending [Member]
Transactions with other domestic entities
Transaction with other domestic entities
Obligations from securities lending [Member] \| Transaction with domestic banks [Member]
Transactions with domestic banks
Transaction with domestic banks
Obligations from securities lending [Member] \| Transaction with foreign banks [Member]
Transactions with foreign banks
Transaction with foreign banks
Repurchase Agreement [Member] \| Transaction with other foreign entities [Member]
Transactions with other entities abroad
Transactions with other entities abroad