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Transactions With Related Parties (Details) - Schedule of Business Operations of the Bank With their Clients - CLP ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Banco Santander, S.A. [Member] |  |
Transactions With Related Parties (Details) - Schedule of Business Operations of the Bank With their Clients [Line Items] |  |
Country | Spain | Spain
Nature of relationship with the Bank | Group | Group
Type of service | Advisory services | Advisory services
Term | Monthly | Monthly
Renewal | Contractual | Contractual
Income |  |
Expenses | 18,929 | 15,999
Account receivable |  |
Account payable | $ 18,715 | $ 1,642
Santander Back-Offices Globales Mayoristas, S.A. [Member] |  |
Transactions With Related Parties (Details) - Schedule of Business Operations of the Bank With their Clients [Line Items] |  |
Country | Spain | Spain
Nature of relationship with the Bank | Group | Group
Type of service | Servicios de BackOffice | BackOffice services
Term | Monthly | Monthly
Renewal | Contractual | Contractual
Income |  |
Expenses | 3,216 | 3,059
Account receivable |  |
Account payable |  |
Santander Chile Holding S.A. [Member] |  |
Transactions With Related Parties (Details) - Schedule of Business Operations of the Bank With their Clients [Line Items] |  |
Country | Chile | Chile
Nature of relationship with the Bank | Group | Group
Type of service | Leases | Leases
Term | Monthly | Monthly
Renewal | Contractual | Contractual
Income | $ 255 | $ 234
Expenses |  |
Account receivable | 2 | 234
Account payable |  |
Santander Factoring S.A. [Member] |  |
Transactions With Related Parties (Details) - Schedule of Business Operations of the Bank With their Clients [Line Items] |  |
Country | Chile | Chile
Nature of relationship with the Bank | Group | Group
Type of service | Leases, Custody and gateway | Leases, Custody and gateway
Term | Monthly | Monthly
Renewal | Contractual | Contractual
Income | $ 42 | $ 39
Expenses | 418 | 423
Account receivable | 20 | 39
Account payable | $ 51 | $ 133
Gesban Santander Servicios Profesionales Contables Limitada [Member] |  |
Transactions With Related Parties (Details) - Schedule of Business Operations of the Bank With their Clients [Line Items] |  |
Country | Chile | Chile
Nature of relationship with the Bank | Group | Group
Type of service | Accounting services | Accounting services
Term | Monthly | Monthly
Renewal | Contractual | Contractual
Income | $ 60 | $ 60
Expenses | 1,104 | 1,019
Account receivable |  | 60
Account payable |  | $ 523
Santander Global Services, S.L. [Member] |  |
Transactions With Related Parties (Details) - Schedule of Business Operations of the Bank With their Clients [Line Items] |  |
Country | Spain |
Nature of relationship with the Bank | Group |
Type of service | Advisory services |
Term | Monthly |
Renewal | Contractual |
Income |  |
Expenses | 639 |
Account receivable |  |
Account payable |  |
Santander Investment Chile Limitada [Member] |  |
Transactions With Related Parties (Details) - Schedule of Business Operations of the Bank With their Clients [Line Items] |  |
Country | Chile | Chile
Nature of relationship with the Bank | Group | Group
Type of service | Leases | Leases
Term | Monthly | Monthly
Renewal | Contractual | Contractual
Income |  |
Expenses | 4,725 | 4,381
Account receivable |  |
Account payable | $ 29 | $ 26
Santander Global Technology and Operations Chile limitada [Member] |  |
Transactions With Related Parties (Details) - Schedule of Business Operations of the Bank With their Clients [Line Items] |  |
Country | Chile | Chile
Nature of relationship with the Bank | Group | Group
Type of service | IT Services | IT Services
Term | Monthly | Monthly
Renewal | Contractual | Contractual
Income |  |
Expenses | 306 | 258
Account receivable |  |
Account payable | $ 9 |
Universia Chile, S.A. [Member] |  |
Transactions With Related Parties (Details) - Schedule of Business Operations of the Bank With their Clients [Line Items] |  |
Country | Chile | Chile
Nature of relationship with the Bank | Group | Group
Type of service | Institucional services | Institucional services
Term | Monthly | Monthly
Renewal | Contractual | Contractual
Income | $ 4 | $ 8
Expenses | 377 | 341
Account receivable |  | 8
Account payable |  |
Aquanima Chile S.A. [Member] |  |
Transactions With Related Parties (Details) - Schedule of Business Operations of the Bank With their Clients [Line Items] |  |
Country | Chile | Chile
Nature of relationship with the Bank | Group | Group
Type of service | Procurement Services | Procurement Services
Term | Monthly | Monthly
Renewal | Contractual | Contractual
Income |  |
Expenses | 1,943 | 1,710
Account receivable |  |
Account payable | $ 112 |
Santander Asset Management S.A. Administradora General de Fondos [Member] |  |
Transactions With Related Parties (Details) - Schedule of Business Operations of the Bank With their Clients [Line Items] |  |
Country | Chile | Chile
Nature of relationship with the Bank | Group | Group
Type of service | Leases and others | Leases and others
Term | Monthly | Monthly
Renewal | Contractual | Contractual
Income |  |
Expenses | 676 | 626
Account receivable | 747 |
Account payable | $ 78 | $ 78
Centro de Compensación Automatizado, S.A.[Member] |  |
Transactions With Related Parties (Details) - Schedule of Business Operations of the Bank With their Clients [Line Items] |  |
Country | Chile | Chile
Nature of relationship with the Bank | Associated | Group
Type of service | Derivatives clearing | Derivatives clearing
Term | Monthly | Monthly
Renewal | Contractual | Contractual
Income |  |
Expenses | 3,615 | 2,184
Account receivable |  |
Account payable |  |
Sociedad Operadora de la Cámara de Compensación de Pagos de Alto Valor S.A.[Member] |  |
Transactions With Related Parties (Details) - Schedule of Business Operations of the Bank With their Clients [Line Items] |  |
Country | Chile | Chile
Nature of relationship with the Bank | Associated | Group
Type of service | Card operator | Card operator
Term | Monthly | Monthly
Renewal | Contractual | Contractual
Income |  |
Expenses | 646 | 632
Account receivable |  |
Account payable |  |
Zurich Santander Seguros Generales Chile S.A. [Member] |  |
Transactions With Related Parties (Details) - Schedule of Business Operations of the Bank With their Clients [Line Items] |  |
Country | Chile | Chile
Nature of relationship with the Bank | Associated | Group
Type of service | Sale channel service | Commercial agreements
Term | Monthly | Monthly
Renewal | Contractual | Contractual
Income | $ 205 | $ 187
Expenses |  |
Account receivable | 1,667 | 187
Account payable |  |
F1rst Tecnologia e Inovação Ltda.[Member] |  |
Transactions With Related Parties (Details) - Schedule of Business Operations of the Bank With their Clients [Line Items] |  |
Country | Brazil |
Nature of relationship with the Bank | Group |
Type of service | IT Services and Service desk |
Term | Monthly |
Renewal | Contractual |
Income |  |
Expenses | 8,723 |
Account receivable |  |
Account payable |  |
Santander Global Technology and Operations, S.L. Unipersonal [Member] |  |
Transactions With Related Parties (Details) - Schedule of Business Operations of the Bank With their Clients [Line Items] |  |
Country | Spain | Spain
Nature of relationship with the Bank | Group | Group
Type of service | IT Services and Operations | IT Services
Term | Monthly | Monthly
Renewal | Contractual | Contractual
Income |  |
Expenses | 52,948 | 49,744
Account receivable |  |
Account payable |  |
PagoNxt Trade Services, S.L. [Member] |  |
Transactions With Related Parties (Details) - Schedule of Business Operations of the Bank With their Clients [Line Items] |  |
Country | Spain | Spain
Nature of relationship with the Bank | Group | Group
Type of service | Digital payments | Digital payments
Term | Monthly | Monthly
Renewal | Contractual | Contractual
Income |  |
Expenses | 400 | 284
Account receivable |  |
Account payable |  |
Mercury Trade Finance Solutions, S.p.A. [Member] |  |
Transactions With Related Parties (Details) - Schedule of Business Operations of the Bank With their Clients [Line Items] |  |
Country | Chile | Chile
Nature of relationship with the Bank | Group | Group
Type of service | IT Services | IT Services
Term | Monthly | Monthly
Renewal | Contractual | Contractual
Income |  |
Expenses | 183 | 256
Account receivable |  |
Account payable |  |
PagoNxt Trade Chile SpA [Member] |  |
Transactions With Related Parties (Details) - Schedule of Business Operations of the Bank With their Clients [Line Items] |  |
Country | Chile |
Nature of relationship with the Bank | Group |
Type of service | Data processing and transmission |
Term | Monthly |
Renewal | Contractual |
Income | $ 31 |
Expenses | 1,680 |
Account receivable | 31 |
Account payable | $ 1,680 |
Santander Gestión de Recaudación y Cobranzas Ltda. [Member] |  |
Transactions With Related Parties (Details) - Schedule of Business Operations of the Bank With their Clients [Line Items] |  |
Country |  | Chile
Nature of relationship with the Bank |  | Group
Type of service |  | Leases and collection
Term |  | Monthly
Renewal |  | Contractual
Income |  | $ 408
Expenses |  | 180
Account receivable |  | 408
Account payable |  | $ 14
Santander Global Facilities, S.L. [Member] |  |
Transactions With Related Parties (Details) - Schedule of Business Operations of the Bank With their Clients [Line Items] |  |
Country |  | Spain
Nature of relationship with the Bank |  | Group
Type of service |  | Advisory services
Term |  | Monthly
Renewal |  | Contractual
Income |  |
Expenses |  | 341
Account receivable |  |
Account payable |  |
Santander Corredores De Bolsa Limitada [Member] |  |
Transactions With Related Parties (Details) - Schedule of Business Operations of the Bank With their Clients [Line Items] |  |
Country |  | Chile
Nature of relationship with the Bank |  | Group
Type of service |  | Leases
Term |  | Monthly
Renewal |  | Contractual
Income |  | $ 65
Expenses |  | 226
Account receivable |  | 65
Account payable |  | $ 29
Santander Consumer Finance Limitada [Member] |  |
Transactions With Related Parties (Details) - Schedule of Business Operations of the Bank With their Clients [Line Items] |  |
Country |  | Chile
Nature of relationship with the Bank |  | Group
Type of service |  | Advisory services and others
Term |  | Monthly
Renewal |  | Contractual
Income |  | $ 70
Expenses |  |
Account receivable |  | 70
Account payable |  |
Sociedad Operadora De Tarjetas De Pago Santander Getnet Chile S.A. [Member] |  |
Transactions With Related Parties (Details) - Schedule of Business Operations of the Bank With their Clients [Line Items] |  |
Country |  | Chile
Nature of relationship with the Bank |  | Group
Type of service |  | Leases
Term |  | Monthly
Renewal |  | Contractual
Income |  | $ 415
Expenses |  |
Account receivable |  | 415
Account payable |  |
Santander Corredora de Seguros Limitada [Member] |  |
Transactions With Related Parties (Details) - Schedule of Business Operations of the Bank With their Clients [Line Items] |  |
Country |  | Chile
Nature of relationship with the Bank |  | Group
Type of service |  | Insurance broker
Term |  | Monthly
Renewal |  | Contractual
Income |  | $ 87
Expenses |  |
Account receivable |  | 87
Account payable |  |

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