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DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGE ACCOUNTING (Details 6) - Cash Flow Hedge [Member] - CLP ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Disclosure of detailed information about hedges [line items]
Cash flow hedge net gains (losses)	$ (683)		$ (77)
Interbank Loans [Member]
Disclosure of detailed information about hedges [line items]
Cash flow hedge net gains (losses)	(683)
Bond Hedging derivatives [Member]
Disclosure of detailed information about hedges [line items]
Cash flow hedge net gains (losses)			$ (77)

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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

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The amount of reclassification adjustments related to cash flow hedges, net of tax. Reclassification adjustments are amounts reclassified to profit (loss) in the current period that were recognised in other comprehensive income in the current or previous periods. [Refer: Cash flow hedges [member]; Other comprehensive income]

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