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Transactions With Related Parties (Details) - Schedule of Business Operations of the Bank With their Clients $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 CLP ($) | Dec. 31, 2023 CLP ($) | Dec. 31, 2024 CLF | Dec. 31, 2024 USD ($) | Dec. 31, 2024 CLP ($)
Schedule of Business Operations of the Bank With their Clients [Line Items] |  |  |  |  |
Exceed amount |  |  | CLF 2,000 | $ 77,289 |
Expenses MCh$ | $ 33,385 | $ 10,972 |  |  |
Banco Santander, S.A. |  |  |  |  |
Schedule of Business Operations of the Bank With their Clients [Line Items] |  |  |  |  |
Income MCh$ | 0 | 0 |  |  |
Expenses MCh$ | 21,898 | 18,929 |  |  |
Account receivable | 0 | 0 |  |  |
Account payable MCh$ |  | 18,715 |  |  | $ 1,264
Santander Back-Offices Globales Mayoristas, S.A. |  |  |  |  |
Schedule of Business Operations of the Bank With their Clients [Line Items] |  |  |  |  |
Income MCh$ | 0 | 0 |  |  |
Expenses MCh$ | 3,554 | 3,216 |  |  |
Account receivable | 0 | 0 |  |  |
Account payable MCh$ |  | 0 |  |  | 0
Santander Chile Holding S.A. |  |  |  |  |
Schedule of Business Operations of the Bank With their Clients [Line Items] |  |  |  |  |
Income MCh$ | 266 | 255 |  |  |
Expenses MCh$ | 0 | 0 |  |  |
Account receivable | 1 | 2 |  |  |
Account payable MCh$ |  | 0 |  |  | 0
Santander Factoring S.A. |  |  |  |  |
Schedule of Business Operations of the Bank With their Clients [Line Items] |  |  |  |  |
Income MCh$ | 44 | 42 |  |  |
Expenses MCh$ | 412 | 418 |  |  |
Account receivable | 20 | 20 |  |  |
Account payable MCh$ |  | 51 |  |  | 103
Bansa Santander S.A. |  |  |  |  |
Schedule of Business Operations of the Bank With their Clients [Line Items] |  |  |  |  |
Income MCh$ | 4 |  |  |  |
Expenses MCh$ | 83 |  |  |  |
Account receivable | 0 |  |  |  |
Account payable MCh$ |  |  |  |  | 0
Gesban Santander Servicios Profesionales Contables Limitada |  |  |  |  |
Schedule of Business Operations of the Bank With their Clients [Line Items] |  |  |  |  |
Income MCh$ | 57 | 60 |  |  |
Expenses MCh$ | 762 | 1,104 |  |  |
Account receivable | 0 | 0 |  |  |
Account payable MCh$ |  | 0 |  |  | 0
Santander Global Services, S.L. Unipersonal |  |  |  |  |
Schedule of Business Operations of the Bank With their Clients [Line Items] |  |  |  |  |
Income MCh$ | 0 |  |  |  |
Expenses MCh$ | 643 |  |  |  |
Account receivable | 0 |  |  |  |
Account payable MCh$ |  |  |  |  | 0
Santander Global Services, S.L. |  |  |  |  |
Schedule of Business Operations of the Bank With their Clients [Line Items] |  |  |  |  |
Income MCh$ |  | 0 |  |  |
Expenses MCh$ |  | 639 |  |  |
Account receivable |  | 0 |  |  |
Account payable MCh$ |  | 0 |  |  |
Santander Investment Chile Limitada |  |  |  |  |
Schedule of Business Operations of the Bank With their Clients [Line Items] |  |  |  |  |
Income MCh$ | 0 | 0 |  |  |
Expenses MCh$ | 4,925 | 4,725 |  |  |
Account receivable | 3 | 0 |  |  |
Account payable MCh$ |  | 29 |  |  | 310
Santander Global Technology and Operations Chile limitada |  |  |  |  |
Schedule of Business Operations of the Bank With their Clients [Line Items] |  |  |  |  |
Income MCh$ | 0 | 0 |  |  |
Expenses MCh$ | 372 | 306 |  |  |
Account receivable | 0 | 0 |  |  |
Account payable MCh$ |  | 9 |  |  | 14
Universia Chile S.A. |  |  |  |  |
Schedule of Business Operations of the Bank With their Clients [Line Items] |  |  |  |  |
Income MCh$ | 7 | 4 |  |  |
Expenses MCh$ | 435 | 377 |  |  |
Account receivable | 0 | 0 |  |  |
Account payable MCh$ |  | 0 |  |  | 84
Aquanima Chile S.A. |  |  |  |  |
Schedule of Business Operations of the Bank With their Clients [Line Items] |  |  |  |  |
Income MCh$ | 0 | 0 |  |  |
Expenses MCh$ | 1,904 | 1,943 |  |  |
Account receivable | 0 | 0 |  |  |
Account payable MCh$ |  | 112 |  |  | 351
Santander Asset Management S.A. Administradora General de Fondos |  |  |  |  |
Schedule of Business Operations of the Bank With their Clients [Line Items] |  |  |  |  |
Income MCh$ | 0 | 0 |  |  |
Expenses MCh$ | 483 | 676 |  |  |
Account receivable | 9,335 | 747 |  |  |
Account payable MCh$ |  | 78 |  |  | 81
Centro de Compensación Automatizado S.A. |  |  |  |  |
Schedule of Business Operations of the Bank With their Clients [Line Items] |  |  |  |  |
Income MCh$ | 0 | 0 |  |  |
Expenses MCh$ | 3,501 | 3,615 |  |  |
Account receivable | 0 | 0 |  |  |
Account payable MCh$ |  | 0 |  |  | 0
Sociedad Operadora de la Cámara de Compensación de Pagos de Alto Valor S.A. |  |  |  |  |
Schedule of Business Operations of the Bank With their Clients [Line Items] |  |  |  |  |
Income MCh$ | 0 | 0 |  |  |
Expenses MCh$ | 733 | 646 |  |  |
Account receivable | 0 | 0 |  |  |
Account payable MCh$ |  | 0 |  |  | 0
Zurich Santander Seguros Generales Chile S.A. |  |  |  |  |
Schedule of Business Operations of the Bank With their Clients [Line Items] |  |  |  |  |
Income MCh$ | 187 | 205 |  |  |
Expenses MCh$ | 0 | 0 |  |  |
Account receivable | 1,883 | 1,667 |  |  |
Account payable MCh$ |  | 0 |  |  | 0
F1rst Tecnologia e Inovação Ltda. |  |  |  |  |
Schedule of Business Operations of the Bank With their Clients [Line Items] |  |  |  |  |
Income MCh$ | 0 | 0 |  |  |
Expenses MCh$ | 26,816 | 8,723 |  |  |
Account receivable | 0 | 0 |  |  |
Account payable MCh$ |  | 0 |  |  | 0
Santander Global Technology and Operations, S.L. Unipersonal |  |  |  |  |
Schedule of Business Operations of the Bank With their Clients [Line Items] |  |  |  |  |
Income MCh$ | 0 | 0 |  |  |
Expenses MCh$ | 57,379 | 52,948 |  |  |
Account receivable | 132 | 0 |  |  |
Account payable MCh$ |  | 0 |  |  | 0
PagoNxt Trade Services, S.L. |  |  |  |  |
Schedule of Business Operations of the Bank With their Clients [Line Items] |  |  |  |  |
Income MCh$ | 0 | 0 |  |  |
Expenses MCh$ | 620 | 400 |  |  |
Account receivable | 0 | 0 |  |  |
Account payable MCh$ |  | 0 |  |  | 0
Mercury Trade Finance Solutions, S.p.A. |  |  |  |  |
Schedule of Business Operations of the Bank With their Clients [Line Items] |  |  |  |  |
Income MCh$ |  | 0 |  |  |
Expenses MCh$ |  | 183 |  |  |
Account receivable |  | 0 |  |  |
Account payable MCh$ |  | 0 |  |  |
Klare Corredora de Seguros S.A. |  |  |  |  |
Schedule of Business Operations of the Bank With their Clients [Line Items] |  |  |  |  |
Income MCh$ | 78 |  |  |  |
Expenses MCh$ | 0 |  |  |  |
Account receivable | 267 |  |  |  |
Account payable MCh$ |  |  |  |  | 0
Universia Holding, S.L. |  |  |  |  |
Schedule of Business Operations of the Bank With their Clients [Line Items] |  |  |  |  |
Income MCh$ | 0 |  |  |  |
Expenses MCh$ | 77 |  |  |  |
Account receivable | 0 |  |  |  |
Account payable MCh$ |  |  |  |  | 0
Santander Global Cards & Digital Solutions, S.L. |  |  |  |  |
Schedule of Business Operations of the Bank With their Clients [Line Items] |  |  |  |  |
Income MCh$ | 0 |  |  |  |
Expenses MCh$ | 515 |  |  |  |
Account receivable | $ 0 |  |  |  |
Account payable MCh$ |  |  |  |  | $ 0
Banco Santander, S.A. |  |  |  |  |
Schedule of Business Operations of the Bank With their Clients [Line Items] |  |  |  |  |
Income MCh$ |  | 0 |  |  |
Expenses MCh$ |  | 18,929 |  |  |
Account receivable |  | 0 |  |  |
Account payable MCh$ |  | $ 18,715 |  |  |

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