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Subsequent Events - Schedule of Local Market, the Bank has Placed Bonds (Details) | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2024 CLP ($) | Jan. 10, 2025 CLP ($) | Dec. 31, 2024 CLF | Dec. 31, 2023 CLP ($) | Dec. 31, 2023 CLF
Subsequent Events (Details) - Schedule of Local Market, the Bank has Placed Bonds [Line Items] |  |  |  |  |
Amount | $ 220,811,161,000,000 |  |  | $ 272,064,708,000,000 |
Senior bonds | Santander bonds in UF |  |  |  |  |
Subsequent Events (Details) - Schedule of Local Market, the Bank has Placed Bonds [Line Items] |  |  |  |  |
Amount | CLF |  |  | CLF 21,302,000 |  | CLF 7,719,000
AA18 | Senior bonds | Santander bonds in UF |  |  |  |  |
Subsequent Events (Details) - Schedule of Local Market, the Bank has Placed Bonds [Line Items] |  |  |  |  |
Rate | 3.30% |  |  |  |
Amount |  | $ 1,300,000,000,000 |  |  |

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