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RISK MANAGEMENT (Details 12) - Credit Risk [Member] - CLP ($) $ in Millions | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Disclosure of detailed information about financial instruments [line items] |  |
Total | $ 48,345,002 | $ 44,320,140
Deposits In Banks [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Total | 1,240,578 | 839,561
Cash Items In Process Of Collection [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Total | 353,757 | 668,145
Trading Investments [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Total |  | 485,736
Investments Under Resale Agreements [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Total |  |
Financial Derivative Contracts [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Total | 3,100,635 | 2,238,647
Loans And Accounts Receivable From Customers And Interbank Loans, Net [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Total |  | 26,934,757
Available For Sale Investment [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Total |  | 2,574,546
Letters Of Credit Issued [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Total | 223,420 | 201,699
Foreign Letters Of Credit Confirmed [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Total | 57,038 | 75,499
Performance Guarantees [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Total | 1,954,205 | 1,823,793
Available Credit Lines [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Total | 8,997,650 | 8,135,489
Personal Guarantees [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Total | 133,623 | 81,577
Other Irrevocable Credit Commitments [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Total | 327,297 | 260,691
Financial Assets Held For Trading [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Total | 77,041 |
Loans And Account Receivable At Amortised Cost / Loans And Account Receivable At FVOCI [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Total | 29,399,589 |
Debt Instrument At Fair Value Through Other Comprehensive Income [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Total | $ 2,394,323 |

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- Definition The amount that best represents the maximum exposure to credit risk without taking into account any collateral held or other credit enhancements (for example, netting agreements that do not qualify for offset in accordance with IAS 32). [Refer: Credit risk [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 35K -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_35K_a&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 36 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-02&anchor=para_36_a&doctype=Standard&book=b -URIDate 2018-03-16 + Details
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