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Financial Assets at Amortized Cost - Schedule of Resale Agreements and Securities Lending (Details) - CLP ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Rights by resale agreements and securities lending |  |
Total of rights by resale agreements and securities lending | $ 87,291 | $ 71,822
Resale agreements with other banks [Member] | Transaction with domestic banks [Member] |  |
Rights by resale agreements and securities lending |  |
Total of rights by resale agreements and securities lending |  |
Resale agreements with other banks [Member] | Transaction with foreign banks [Member] |  |
Rights by resale agreements and securities lending |  |
Total of rights by resale agreements and securities lending |  |
Resale agreements with the Central Bank of Chile [Member] | Transaction with domestic banks [Member] |  |
Rights by resale agreements and securities lending |  |
Total of rights by resale agreements and securities lending |  |
Rights from securities lending [Member] | Transaction with domestic banks [Member] |  |
Rights by resale agreements and securities lending |  |
Total of rights by resale agreements and securities lending |  |
Rights from securities lending [Member] | Transaction with foreign banks [Member] |  |
Rights by resale agreements and securities lending |  |
Total of rights by resale agreements and securities lending |  |
Resale agreements with foreign Central Banks [Member] | Transaction with foreign banks [Member] |  |
Rights by resale agreements and securities lending |  |
Total of rights by resale agreements and securities lending |  |
Resale agreements [Member] | Transaction with other domestic entities [Member] |  |
Rights by resale agreements and securities lending |  |
Total of rights by resale agreements and securities lending | 87,291 | 71,822
Resale agreements [Member] | Transaction with other foreign entities [Member] |  |
Rights by resale agreements and securities lending |  |
Total of rights by resale agreements and securities lending |  |
Financial assets with no significant increase in credit risk since initial recognition (phase 1) [Member] | Accumulated Impairment Value of Financial Assets at Amortized Cost - Rights from resale agreements and securities lending [Member] |  |
Rights by resale agreements and securities lending |  |
Total of rights by resale agreements and securities lending |  |
Financial assets with a significant increase in credit risk since initial recognition, but without credit impairment (phase 2) [Member] | Accumulated Impairment Value of Financial Assets at Amortized Cost - Rights from resale agreements and securities lending [Member] |  |
Rights by resale agreements and securities lending |  |
Total of rights by resale agreements and securities lending |  |
Financial assets with credit impairment (phase 3) [Member] | Accumulated Impairment Value of Financial Assets at Amortized Cost - Rights from resale agreements and securities lending [Member] |  |
Rights by resale agreements and securities lending |  |
Total of rights by resale agreements and securities lending |  |

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