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Summary of Significant Accounting Policies (Details) | 12 Months Ended
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Dec. 31, 2022 CLP ($) | Dec. 31, 2021 | Dec. 31, 2020 USD ($)
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Revenue of operating segments, percentage |  | 10.00% |
Profit or loss, percentage |  | 10.00% |
Assets of operating segment, percentage |  | 10.00% |
Foreign exchange rate (in Dollars) |  |  | $ 1
Average incremental interest rate | 1.59% |  |
PD equal percentage |  | 100.00% |
Fogape's annual sales, description |  | the Chilean government announced a series of measures to support lending, which included additional funds to the Guarantee Fund for Small Companies (Fogape), a state fund that guarantees loans, leases and other credits provided to small businesses.The chilean Banks, including us, provided loans with preferential interest rates (MPR plus 3%) and terms of up to 48 months to eligible companies (“Fogape loans”), and 6-month grace period before repayment, guaranteed by the government fund. In February 2021, the government approved the FOGAPE 2.0 – or FOGAPE Reactiva – under this new programme, the maximum rate was set at a monthly rate of TPM (overnight rate) plus 0.6% (7.2% annual rate). |
Average cost to sale, percentage |  | 4.00% | 5.80%
Net income, percentage | 30.00% |  |
Employee carrying out duties | 60 years |  |
Sale of investments (in Pesos) | $ 188 |  |
CLF [Member] |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Foreign exchange rate | 35,110.98 | 30,991.74 |
Banco Santander Spain [Member] | Banco Santander-Chile [Member] |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Proportion of ownership interest in subsidiary | 99.50% |  |
Banco Santander Spain [Member] | Teatinos Siglo XXi inversiones Ltda [Member] |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Proportion of ownership interest in subsidiary | 100.00% |  |
Banco Santander Spain [Member] | Santander-Chile Bank [Member] |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Proportion of ownership interest in subsidiary | 67.18% |  |
Expected Credit Losses [Member] |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
PD equal percentage |  | 100.00% |
Bottom of range [Member] |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Percentage of inflation | 13.30% |  |
Top of range [Member] |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Percentage of inflation |  | 6.60% |

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