DERIVATIVE ASSETS AND LIABILITIES - Fair Value (Details) - CLP ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016
Fair value of financial assets and liabilities
Transfers into out of level 2 assets and liabilities	$ 0
Transfers into Level 3 of fair value hierarchy, assets	0
Transfers out of Level 3 of fair value hierarchy, assets	0
Transfers into Level 3 of fair value hierarchy, liabilities	0
Transfers out of Level 3 of fair value hierarchy, liabilities	0
Financial assets, at fair value	62,367,852	$ 84,859,223
Financial liabilities, at fair value	445,278	1,229,354
Level 2
Fair value of financial assets and liabilities
Financial assets, at fair value	62,367,852	84,859,223
Financial liabilities, at fair value	445,278	1,229,354
Other Current Financial Liabilities
Fair value of financial assets and liabilities
Financial liabilities, at fair value	445,278	1,229,354
Other Current Financial Liabilities \| Level 2
Fair value of financial assets and liabilities
Financial liabilities, at fair value	445,278	1,229,354
Current financial assets
Fair value of financial assets and liabilities
Financial assets, at fair value	469,019	4,678,343
Current financial assets \| Level 2
Fair value of financial assets and liabilities
Financial assets, at fair value	469,019	4,678,343
Other non-current financial assets
Fair value of financial assets and liabilities
Financial assets, at fair value	61,898,833	80,180,880
Other non-current financial assets \| Level 2
Fair value of financial assets and liabilities
Financial assets, at fair value	$ 61,898,833	$ 80,180,880

The amount of transfers of assets and liabilities into and out of Level 2 of the fair value hierarchy.

No definition available.

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- Definition

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.

+ References

No definition available.

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- Definition

The fair value of financial assets. [Refer: At fair value [member]; Financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2017-01-01
-Paragraph 25
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_25&doctype=Standard
-URIDate 2017-03-09

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- Definition

The fair value of financial liabilities. [Refer: At fair value [member]; Financial liabilities]

+ References

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- Definition

The amount of transfers of assets into Level 3 of the fair value hierarchy. [Refer: Level 3 of fair value hierarchy [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 13
-IssueDate 2017-01-01
-Paragraph 93
-Subparagraph e
-Clause iv
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=13&date=2017-03-01&anchor=para_93_e_iv&doctype=Standard
-URIDate 2017-03-09

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- Definition

The amount of transfers of liabilities into Level 3 of the fair value hierarchy. [Refer: Level 3 of fair value hierarchy [member]]

+ References

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- Definition

The amount of transfers of assets out of Level 3 of the fair value hierarchy. [Refer: Level 3 of fair value hierarchy [member]]

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- Definition

The amount of transfers of liabilities out of Level 3 of the fair value hierarchy. [Refer: Level 3 of fair value hierarchy [member]]

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