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v3.19.3.a.u2

Summary of Significant Accounting Policies (Details Textual) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 CLP ($) Segements | Dec. 31, 2018 Segements
Summary of Significant Accounting Policies (Textual) |  |
Foreign exchange rate | 697.76 | 697.76
Average cost to sale of assets | 3.12% | 2.20%
Percentage of net income | 0.30 | 0.30
Right-of-use assets | $ | $ 46,423 |
Financial market commisssion , description | On November 15, 2019, Commission for the Financial Market (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 performed on November 27, 2019. |
Incremental interest rate | 1.70% |
Transbank S.A. [Member] |  |
Summary of Significant Accounting Policies (Textual) |  |
Proportion of ownership interest in subsidiary | 85.00% |
CLF [Member] |  |
Summary of Significant Accounting Policies (Textual) |  |
Foreign exchange rate | 28,309.94 | 27,565.79
Percenatge of inflation | 2.70% | 2.90%
USD [Member] |  |
Summary of Significant Accounting Policies (Textual) |  |
Foreign exchange rate | Segements | 1 | 1
Banco Santander Spain [Member] | Santander-Chile Bank [Member] |  |
Summary of Significant Accounting Policies (Textual) |  |
Proportion of ownership interest in subsidiary | 67.18% |
Banco Santander Spain [Member] | Teatinos Siglo XXi inversiones Ltda [Member] |  |
Summary of Significant Accounting Policies (Textual) |  |
Proportion of ownership interest in subsidiary | 100.00% |
Banco Santander Spain [Member] | Banco Santander-Chile [Member] |  |
Summary of Significant Accounting Policies (Textual) |  |
Proportion of ownership interest in subsidiary | 99.50% |

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