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Summary of Significant Accounting Policies (Details) - Schedule of subsidiaries | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Santander Corredora de Seguros Limitada [Member] |  |  |  |
Summary of Significant Accounting Policies (Details) - Schedule of subsidiaries [Line Items] |  |  |  |
Name of the Subsidiary |  | Insurance brokerage |  |
Main Activity |  | Santiago, Chile |  |
Place of Incorporation and operation |  | 99.75 |  |
Direct interest Owned |  | 0.01% | 0.01% | 0.01%
Indirect interest Owned |  | 99.76% | 99.76% | 99.76%
Total interest Owned |  |  | 99.75% | 99.75%
Santander Corredores De Bolsa Limitada [Member] |  |  |  |
Summary of Significant Accounting Policies (Details) - Schedule of subsidiaries [Line Items] |  |  |  |
Name of the Subsidiary |  | Financial instruments brokerage |  |
Main Activity |  | Santiago, Chile |  |
Place of Incorporation and operation |  | 50.59 |  |
Direct interest Owned |  | 0.41% | 0.41% | 0.41%
Indirect interest Owned |  | 51.00% | 51.00% | 51.00%
Total interest Owned |  |  | 50.59% | 50.59%
Santander Asesorias Financieras Limitada [Member] |  |  |  |
Summary of Significant Accounting Policies (Details) - Schedule of subsidiaries [Line Items] |  |  |  |
Name of the Subsidiary | [1] | Securities brokerage |  |
Main Activity | [1] | Santiago, Chile |  |
Place of Incorporation and operation | [1] | 99.03 |  |
Direct interest Owned | [1] |  |  |
Indirect interest Owned | [1] | 99.03% | 99.03% | 99.03%
Total interest Owned | [1] |  | 99.03% | 99.03%
Santander S.A. Sociedad Securitizadora [Member] |  |  |  |
Summary of Significant Accounting Policies (Details) - Schedule of subsidiaries [Line Items] |  |  |  |
Name of the Subsidiary |  | Purchase of credits and issuance of debt instruments |  |
Main Activity |  | Santiago, Chile |  |
Place of Incorporation and operation |  | 99.64 |  |
Indirect interest Owned |  | 99.64% | 99.64% | 99.64%
Total interest Owned |  |  | 99.64% | 99.64%
Klare Corredora de Seguros S.A. [Member] |  |  |  |
Summary of Significant Accounting Policies (Details) - Schedule of subsidiaries [Line Items] |  |  |  |
Name of the Subsidiary | [2] | Insurance brokerage |  |
Main Activity | [2] | Santiago, Chile |  |
Place of Incorporation and operation | [2] | 50.10 |  |
Direct interest Owned | [2] |  |  |
Indirect interest Owned | [2] | 50.10% | 50.10% | 50.10%
Total interest Owned | [2] |  | 50.10% | 50.10%
Santander Consumer Chile S.A. [Member] |  |  |  |
Summary of Significant Accounting Policies (Details) - Schedule of subsidiaries [Line Items] |  |  |  |
Name of the Subsidiary | [3] | Financing |  |
Main Activity | [3] | Santiago, Chile |  |
Place of Incorporation and operation | [3] | 51.00 |  |
Direct interest Owned | [3] |  |  |
Indirect interest Owned | [3] | 51.00% | 51.00% | 51.00%
Total interest Owned | [3] |  | 51.00% | 51.00%
Sociedad Operadora De Tarjetas De Pago Santander Getnet Chile S.A. [Member] |  |  |  |
Summary of Significant Accounting Policies (Details) - Schedule of subsidiaries [Line Items] |  |  |  |
Name of the Subsidiary | [4] | Card operator |  |
Main Activity | [4] | Santiago, Chile |  |
Place of Incorporation and operation | [4] | 99.99 |  |
Direct interest Owned | [4] | 0.01% | 0.01% |
Indirect interest Owned | [4] | 100.00% | 100.00% |
Total interest Owned | [4] |  | 99.99% |
[1] | On December 18, 2019, Santander Agente de Valores Limitada changed its business name to Santander Asesorías Financieras Limitada and the company’s object, start offering financial advice.
[2] | On October 19, 2019 Klare Corredora de Seguros S.A. was created as a digital insurance brokerage and supporting banking business company and thus is subject to banking regulations. The Banks owns the 50.10% of the company’s capital share.
[3] | On November 15, 2019, Financial Market Commission (FMC) authorized Banco Santander to acquire the 51% of the Santander Consumer Chile S.A. capital share from SK Berge (49%) and Banco Santander S.A. (2%). The sale was completed on November 27, 2019.
[4] | On July 6, 2020, Banco Santander registered as a new subsidiary and business support company named “Sociedad Operadora de Tarjeta de Pago Santander Getnet Chile S.A”.

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