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Non-Controlling Interest (Details) - Schedule of financial information of the subsidiaries included in the consolidation of the Bank that possess non-controlling interests - CLP ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Non-Controlling Interest (Details) - Schedule of financial information of the subsidiaries included in the consolidation of the Bank that possess non-controlling interests [Line Items] |  |  |
Assets | $ 1,178,676 | $ 1,040,914 | $ 2,228,682
Liabilities | 883,096 | 763,830 | 1,972,044
Capital | 280,158 | 269,657 | 239,990
Net income | 15,422 | 7,427 | 16,648
Santander Corredora de Seguros Limitada [Member] |  |  |
Non-Controlling Interest (Details) - Schedule of financial information of the subsidiaries included in the consolidation of the Bank that possess non-controlling interests [Line Items] |  |  |
Assets | 88,492 | 79,936 | 82,918
Liabilities | 13,388 | 10,777 | 12,372
Capital | 69,129 | 70,554 | 68,159
Net income | 1,975 | (1,395) | 2,387
Santander Corredores de Bolsa Limitada [Member] |  |  |
Non-Controlling Interest (Details) - Schedule of financial information of the subsidiaries included in the consolidation of the Bank that possess non-controlling interests [Line Items] |  |  |
Assets | 98,496 | 94,802 | 1,479,974
Liabilities | 51,649 | 49,038 | 1,434,843
Capital | 45,396 | 45,053 | 43,866
Net income | 1,451 | 711 | 1,265
Santander Asesorias Financieras Limitada [Member] |  |  |
Non-Controlling Interest (Details) - Schedule of financial information of the subsidiaries included in the consolidation of the Bank that possess non-controlling interests [Line Items] |  |  |
Assets | 54,731 | 52,070 | 51,505
Liabilities | 1,683 | 1,142 | 51
Capital | 50,900 | 51,454 | 50,481
Net income | 2,148 | (526) | 973
Santander S.A. Sociedad Securitizadora [Member] |  |  |
Non-Controlling Interest (Details) - Schedule of financial information of the subsidiaries included in the consolidation of the Bank that possess non-controlling interests [Line Items] |  |  |
Assets | 810 | 630 | 636
Liabilities | 463 | 175 | 88
Capital | 455 | 547 | 639
Net income | (108) | (92) | (91)
Klare Corredora de Seguros S.A. [Member] |  |  |
Non-Controlling Interest (Details) - Schedule of financial information of the subsidiaries included in the consolidation of the Bank that possess non-controlling interests [Line Items] |  |  |
Assets | 3,952 | 6,415 | 8,303
Liabilities | 681 | 599 | 724
Capital | 5,816 | 7,579 | 8,586
Net income | (2,545) | (1,763) | (1,007)
Santander Consumer Chile S.A. [Member] |  |  |
Non-Controlling Interest (Details) - Schedule of financial information of the subsidiaries included in the consolidation of the Bank that possess non-controlling interests [Line Items] |  |  |
Assets | 742,700 | 693,992 | 505,059
Liabilities | 662,945 | 633,177 | 452,528
Capital | 60,588 | 49,348 | 39,951
Net income | 19,167 | 11,467 | 12,580
Sociedad Operadora De Tarjetas De Pago Santander Getnet Chile S.A. [Member] |  |  |
Non-Controlling Interest (Details) - Schedule of financial information of the subsidiaries included in the consolidation of the Bank that possess non-controlling interests [Line Items] |  |  |
Assets | 78,523 | 16,448 |
Liabilities | 67,301 | 1,185 |
Capital | 48,990 | 16,273 |
Net income | (7,768) | (1,010) |
Santander Gestión de Recaudación y Cobranzas Ltda. [Member] |  |  |
Non-Controlling Interest (Details) - Schedule of financial information of the subsidiaries included in the consolidation of the Bank that possess non-controlling interests [Line Items] |  |  |
Assets | 6,636 | 7,789 | 8,200
Liabilities | 1,816 | 3,108 | 3,392
Capital | 4,681 | 4,808 | 3,777
Net income | 139 | (127) | 1,031
Bansa Santander S.A. [Member] |  |  |
Non-Controlling Interest (Details) - Schedule of financial information of the subsidiaries included in the consolidation of the Bank that possess non-controlling interests [Line Items] |  |  |
Assets | 103,927 | 84,496 | 87,607
Liabilities | 82,917 | 64,582 | 68,042
Capital | 19,914 | 19,565 | 20,051
Net income | 1,096 | 349 | (486)
Multiplica Spa [Member] |  |  |
Non-Controlling Interest (Details) - Schedule of financial information of the subsidiaries included in the consolidation of the Bank that possess non-controlling interests [Line Items] |  |  |
Assets | 4,409 | 4,336 | 4,480
Liabilities | 253 | 47 | 4
Capital | 1,289 | 4,476 | 4,480
Net income | $ (133) | $ (187) | $ (4)

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