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Other Gains (Losses) (Details Textual) - CLP ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Derivatives [member] |  |  |
Disclosure of other gains losses [Line Items] |  |  |
Payments from contracts held for dealing or trading purpose | $ 7,508,815 | $ 11,391,103 | $ 9,698,871

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