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Investments Under Resale Agreements and Obligations Under Repurchase Agreements (Details Textual) - CLP ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
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Investments Under Resale Agreements and Obligations Under Repurchase Agreements (Textual) |  |
Fair value | $ 142,370 | $ 95,316
Repurchase Agreement and Securities Lending [Member] |  |
Investments Under Resale Agreements and Obligations Under Repurchase Agreements (Textual) |  |
Fair value | $ 305,593 | $ 298,708

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