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CONTINGENCIES AND COMMITMENTS (Details Narrative) $ in Millions, $ in Millions | Jun. 30, 2019 USD ($) | Dec. 31, 2018 CLP ($) | Dec. 31, 2017 CLP ($)
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Disclosure of contingent liabilities in business combination [line items] |  |  |
Assets from third parties managed by the Bank and its affiliates |  | $ 1,630,396 | $ 1,660,768
Legal Proceedings Contingent Liability [Member] |  |  |
Disclosure of contingent liabilities in business combination [line items] |  |  |
Estimated financial effect of contingent liabilities |  | 923 | 1,214
Legal Proceedings Contingent Liability [Member] | Subsidiaries [Member] |  |  |
Disclosure of contingent liabilities in business combination [line items] |  |  |
Estimated financial effect of contingent liabilities |  | $ 0 | $ 0
Contingent Liability For Guarantees [Member] | USD [Member] | Non-adjusting Events After Reporting Period [Member] |  |  |
Disclosure of contingent liabilities in business combination [line items] |  |  |
Insurance policy cover amount for bank and subsidiaries | $ 50 |  |

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