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Financial Instruments (Details 4) - CLP ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
USD [Member] | Scotiabank Chile [Member] |  |
Disclosure of Financial Instruments [Line Items] |  |
Nature of risks covered | Flow interest rate and exchange rate on bank bonds | Flow interest rate and exchange rate on bank bonds
Financial assets and liabilities, at fair value | $ (355,650) | $ 255,494
Maturity | 06-18-2018 | 06-18-2018
USD [Member] | Scotiabank Chile [Member] | Loan commitments [member] |  |
Disclosure of Financial Instruments [Line Items] |  |
Financial assets and liabilities, at fair value | $ 5,216,495 | $ 5,080,332
USD [Member] | Scotiabank Chile [Member] | Financial Rights [Member] |  |
Disclosure of Financial Instruments [Line Items] |  |
Financial assets and liabilities, at fair value | $ 4,860,845 | $ 5,335,826
UF [Member] | Banco de Chile [Member] |  |
Disclosure of Financial Instruments [Line Items] |  |
Nature of risks covered | Flow interest rate on bank bonds |
Financial assets and liabilities, at fair value | $ 433,653 |
Maturity | 09-15-2021 |
UF [Member] | Banco de Chile [Member] | Loan commitments [member] |  |
Disclosure of Financial Instruments [Line Items] |  |
Financial assets and liabilities, at fair value | $ 60,207,174 |
UF [Member] | Banco de Chile [Member] | Financial Rights [Member] |  |
Disclosure of Financial Instruments [Line Items] |  |
Financial assets and liabilities, at fair value | $ 60,640,827 |
CLP [Member] | Banco de Chile [Member] |  |
Disclosure of Financial Instruments [Line Items] |  |
Nature of risks covered |  | Flow interest rate on bank bonds
Financial assets and liabilities, at fair value |  | $ 53,743
Maturity |  | 07-03-2017
CLP [Member] | Banco de Chile [Member] | Loan commitments [member] |  |
Disclosure of Financial Instruments [Line Items] |  |
Financial assets and liabilities, at fair value |  | $ 7,404,444
CLP [Member] | Banco de Chile [Member] | Financial Rights [Member] |  |
Disclosure of Financial Instruments [Line Items] |  |
Financial assets and liabilities, at fair value |  | $ 7,458,187

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