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Contingencies and Commitments (Details Textual) - CLP ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Disclosure of commitments and contingent liabilities [Abstract]
Capital commitments	$ 125,765,480	$ 128,883,425	$ 131,730,922
Explanation about the presentation of significant legal proceedings	all those present a possible risk of occurrence and causes whose committed amounts, individually, are more than ThCh$ 25,000.
Legal proceedings provision	$ 1,300,695	$ 1,248,243

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- References

No definition available.

+ Details

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- Definition

The explanation about presentation of significant legal proceedings faced by the entity.

+ References

No definition available.

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- Definition

The amount of future capital expenditures that the entity is committed to make.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard
-URIDate 2017-03-09

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- Definition

The amount of provision for legal proceedings. [Refer: Other provisions]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 37
-IssueDate 2017-01-01
-Section Example 10 A court case
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-URIDate 2017-03-09

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 37
-IssueDate 2017-01-01
-Paragraph 87
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2017-03-01&anchor=para_87&doctype=Standard
-URIDate 2017-03-09

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