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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2023
Summary of Significant Accounting Policies [Abstract] |
Schedule of Subsidiaries | Entities controlled by the Bank through participation in equity
|  |  |  |  |  | Percent ownership share As of December 31, |
|  |  |  | Place of |  | 2023 |  |  | 2022 |  |  | 2021 |
|  |  |  | Incorporation |  | Direct |  |  | Indirect |  |  | Total |  |  | Direct |  |  | Indirect |  |  | Total |  |  | Direct |  |  | Indirect |  |  | Total |
Name of the Subsidiary |  | Main 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 |  | 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. |  | Insurance brokerage |  | Santiago, Chile |  |  | 50.10 |  |  |  | - |  |  |  | 50.10 |  |  |  | 50.10 |  |  |  | - |  |  |  | 50.10 |  |  |  | 50.10 |  |  |  | - |  |  |  | 50.10 |
Santander Consumer Chile S.A. |  | 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. (1) |  | Card operator |  | Santiago, Chile |  |  | 99.99 |  |  |  | 0.01 |  |  |  | 100.00 |  |  |  | 99.99 |  |  |  | 0.01 |  |  |  | 100.00 |  |  |  | 99.99 |  |  |  | 0.01 |  |  |  | 100.00 |
Schedule of Associates | The following companies are considered “Associates” in which the Bank accounts for its participation using the equity method:
|  |  |  |  |  | Percentage of ownership share |
|  |  |  | Place of |  | As of December 31, |
|  |  |  | Incorporation |  | 2023 |  |  | 2022 |  |  | 2021 |
Associates |  | Main activity |  | and operation |  | % |  |  | % |  |  | % |
Redbanc S.A. |  | ATM services |  | Santiago, Chile |  |  | 33.43 |  |  |  | 33.43 |  |  |  | 33.43 |
Transbank S.A. |  | Debit and credit card services |  | Santiago, Chile |  |  | 25.00 |  |  |  | 25.00 |  |  |  | 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 Pagos 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 |
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 Tangible Assets | The Bank applies the following useful lives for the tangible assets that comprise its 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 Write-Offs | Loan and accounts receivable write-offs are recorded for overdue and current installments based on the time periods expired since reaching overdue status, as described below:
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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