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DEBT INSTRUMENTS AT FAIR VALUE THROUGH OTHER COMPREHENSIVE INCOME (Details 3) - CLP ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Disclosure of financial assets [line items]
Available for sale investments		$ 2,574,546
Other Chilean Securities [Member]
Disclosure of financial assets [line items]
Available for sale investments		27,673
Foreign Financial Securities [Member]
Disclosure of financial assets [line items]
Available for sale investments		284,072
Time Deposits In Chilean Financial Institutions [Member] | Other Chilean Securities [Member]
Disclosure of financial assets [line items]
Available for sale investments		2,361
Mortgage Finance Bonds Of Chilean Financial Institutions [Member] | Other Chilean Securities [Member]
Disclosure of financial assets [line items]
Available for sale investments		22,312
Other Instruments Issued in The Country [Member] | Other Chilean Securities [Member]
Disclosure of financial assets [line items]
Available for sale investments		3,000
Foreign Central Banks And Government Securities [Member] | Foreign Financial Securities [Member]
Disclosure of financial assets [line items]
Available for sale investments		132,822
Other Foreign Financial Instruments [Member] | Foreign Financial Securities [Member]
Disclosure of financial assets [line items]
Available for sale investments		151,250
Chilean Central Bank And Government Securities [Member]
Disclosure of financial assets [line items]
Available for sale investments		2,262,801
Chilean Central Bank And Government Securities [Member] | Chilean Central Bank Bonds [Member]
Disclosure of financial assets [line items]
Available for sale investments		816,331
Chilean Central Bank And Government Securities [Member] | Chilean Central Bank Notes [Member]
Disclosure of financial assets [line items]
Available for sale investments		330,952
Chilean Central Bank And Government Securities [Member] | Other Chilean Central Bank And Government Securities [Member]
Disclosure of financial assets [line items]
Available for sale investments		$ 1,115,518

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- Definition

The amount of non-derivative financial assets that are designated as available for sale or are not classified as (a) loans and receivables; (b) held-to-maturity investments; or (c) financial assets at fair value through profit or loss. [Refer: Derivative financial assets; Financial assets at fair value through profit or loss; Held-to-maturity investments]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2021-01-01
-Name IFRS
-Number 7
-IssueDate 2018-01-01
-Paragraph 8
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-02&anchor=para_8_d&doctype=Standard&book=b
-URIDate 2018-03-16

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