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FAIR VALUE OF FINANCIAL ASSETS AND LIABILITIES (Details 3) - Level 3 [Member] - CLP ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Financial Derivative Contracts [Member] | Present Value Method [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Main unobservabe inputs | [1] | Curves on TAB | Curves on TAB
Impact Sens. -1bp Unfavourable scenario |  | $ (2.3) | $ (1.3)
Impact Sens. +1bp Favourable scenario |  | $ 2.3 | $ 1.3
Debt Instrument At FVOCI [Member] | Internal Rate Of Return Method [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Main unobservabe inputs | [2] | BR UF |
Available For Sale Investments [Member] | Internal Rate Of Return Method [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Main unobservabe inputs | [2] |  | BR UF
[1] | TAB: "Tasa Activa Bancaria" (Active Bank Rate), Average interest rates on 30, 90, 180 and 360 day deposits published by the Chilean Association of Banks and Financial Institutions (ABIF) in nominal currency (Chilean peso) and in real terms, adjusted for inflation (in Chilean unit of account (Unidad de Fomento - UF)).
[2] | BR: "Bonos de Reconocimiento" (Recognition Bonds), The Recognition Bond is an instrument of money provided by the State of Chile to workers who joined the new pension system, which began operating since 1981.

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