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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2021
Disclosure of significant accounting policies [text block] [Abstract] |
Schedule of subsidiaries |
|  |  |  |  |  | Percent ownership share As of December 31, |
|  |  |  | Place of |  | 2021 |  |  | 2020 |  |  | 2019 |
Name of the |  | Main |  | Incorporation |  | Direct |  |  | Indirect |  |  | Total |  |  | Direct |  |  | Indirect |  |  | Total |  |  | Direct |  |  | Indirect |  |  | Total |
Subsidiary |  | Activity |  | and operation |  | % |  |  | % |  |  | % |  |  | % |  |  | % |  |  | % |  |  | % |  |  | % |  |  | % |
Santander Corredora de Seguros Limitada |  | Insurance brokerage |  | Santiago, Chile |  |  | 99.75 |  |  |  | 0.01 |  |  |  | 99.76 |  |  |  | 99.75 |  |  |  | 0.01 |  |  |  | 99.76 |  |  |  | 99.75 |  |  |  | 0.01 |  |  |  | 99.76 |
Santander Corredores de Bolsa Limitada |  | Financial instruments brokerage |  | Santiago, Chile |  |  | 50.59 |  |  |  | 0.41 |  |  |  | 51.00 |  |  |  | 50.59 |  |  |  | 0.41 |  |  |  | 51.00 |  |  |  | 50.59 |  |  |  | 0.41 |  |  |  | 51.00 |
Santander Asesorias Financieras Limitada (1) |  | Securities brokerage |  | Santiago, Chile |  |  | 99.03 |  |  |  | - |  |  |  | 99.03 |  |  |  | 99.03 |  |  |  | - |  |  |  | 99.03 |  |  |  | 99.03 |  |  |  | - |  |  |  | 99.03 |
Santander S.A. Sociedad Securitizadora |  | Purchase of credits and issuance of debt instruments |  | Santiago, Chile |  |  | 99.64 |  |  |  | - |  |  |  | 99.64 |  |  |  | 99.64 |  |  |  | - |  |  |  | 99.64 |  |  |  | 99.64 |  |  |  | - |  |  |  | 99.64 |
Klare Corredora de Seguros S.A. (2) |  | Insurance brokerage |  | Santiago, Chile |  |  | 50.10 |  |  |  | - |  |  |  | 50.10 |  |  |  | 50.10 |  |  |  | - |  |  |  | 50.10 |  |  |  | 50.10 |  |  |  | - |  |  |  | 50.10 |
Santander Consumer Chile S.A. (3) |  | Financing |  | Santiago, Chile |  |  | 51.00 |  |  |  | - |  |  |  | 51.00 |  |  |  | 51.00 |  |  |  | - |  |  |  | 51.00 |  |  |  | 51.00 |  |  |  | - |  |  |  | 51.00 |
Sociedad operadora de Tarjetas de Pago Santander Getnet Chile S.A. (4) |  | Card operator |  | Santiago, Chile |  |  | 99.99 |  |  |  | 0.01 |  |  |  | 100.00 |  |  |  | 99.99 |  |  |  | 0.01 |  |  |  | 100.0 |  |  |  | - |  |  |  | - |  |  |  | - |
Schedule of associates |
|  |  |  | Place of |  | Percentage of ownership share |
|  |  |  | Incorporation |  | As of December 31, |
|  |  |  | and |  | 2021 |  |  | 2020 |  |  | 2019 |
Associates |  | Main activity |  | operation |  | % |  |  | % |  |  | % |
Redbanc S.A. |  | ATM services |  | Santiago, Chile |  |  | 33.43 |  |  |  | - |  |  |  | - |
Transbank S.A. |  | Debit and credit card services |  | Santiago, Chile |  |  | 25.00 |  |  |  | - |  |  |  | - |
Centro de Compensación Automatizado S.A. |  | Electronic fund transfer and compensation services |  | Santiago, Chile |  |  | 33.33 |  |  |  | 33.33 |  |  |  | 33.33 |
Sociedad Interbancaria de Depósito de Valores S.A. |  | Delivery of securities on public offer |  | Santiago, Chile |  |  | 29.29 |  |  |  | 29.29 |  |  |  | 29.29 |
Cámara Compensación de Alto Valor S.A. |  | Payments clearing |  | Santiago, Chile |  |  | 15.00 |  |  |  | 15.00 |  |  |  | 15.00 |
Administrador Financiero del Transantiago S.A. |  | Administration of boarding passes to public transportation |  | Santiago, Chile |  |  | 20.00 |  |  |  | 20.00 |  |  |  | 20.00 |
Sociedad Nexus S.A. (*) |  | Credit card processor |  | Santiago, Chile |  |  | - |  |  |  | - |  |  |  | - |
Servicios de Infraestructura de Mercado OTC S.A. |  | Administration of the infrastructure for the financial market of derivative instruments |  | Santiago, Chile |  |  | 12.48 |  |  |  | 12.48 |  |  |  | 12.48 |
Schedule of useful lives for the tangible assets |
ITEM |  | Useful life (Months) |
Land |  |  | - |
Paintings and works of art |  |  | - |
Carpets and curtains |  |  | 36 |
Computers and hardware |  |  | 36 |
Vehicles |  |  | 36 |
IT systems and software |  |  | 36 |
ATMs |  |  | 60 |
Other machines and equipment |  |  | 60 |
Office furniture |  |  | 60 |
Telephone and communication systems |  |  | 60 |
Security systems |  |  | 60 |
Rights over telephone lines |  |  | 60 |
Air conditioning systems |  |  | 84 |
Other installations |  |  | 120 |
Buildings |  |  | 1,200 |
Schedule of loan and accounts receivable charge-offs |
Type of loan |  | Term
Consumer loans with or without collateral |  | 6 months
Other transactions without collateral |  | 24 months
Commercial loans with collateral |  | 36 months
Mortgage loans |  | 48 months
Consumer leasing |  | 6 months
Other non-mortgage leasing transactions |  | 12 months
Mortgage leasing (household and business) |  | 36 months

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