The amount of exchange differences recognised in profit or loss that arise from foreign currency transactions, excluding those arising on financial instruments measured at fair value through profit or loss in accordance with IFRS 9. [Refer: At fair value [member]; Financial instruments, class [member]]

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 7
-IssueDate 2017-01-01
-Section A Statement of cash flows for an entity other than a financial institution
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2017-03-01&anchor=sect_AStatementofcashflowsforanentityotherthanafinancialinstitution&doctype=Illustrative%20Examples
-URIDate 2017-03-09

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 21
-IssueDate 2017-01-01
-Paragraph 52
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=21&date=2017-03-01&anchor=para_52_a&doctype=Standard
-URIDate 2017-03-09

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Summary of Significant Accounting Policies - Transactions in foreign currency & employee benefits (Details) $ in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2017 USD ($) $ / $ $ / ¥ $ / €	Dec. 31, 2017 CLP ($) $ / $ $ / ¥ $ / €	Dec. 31, 2016 CLP ($) $ / $ $ / ¥ $ / €	Dec. 31, 2015 CLP ($)
Disclosure of detailed information about financial instruments
Gain on net foreign exchange income	$ 170,409	$ 104,875	$ 12,405	$ 57,318
USD
Disclosure of detailed information about financial instruments
Foreign exchange rate \| $ / $	615.43	615.43	670.40
JPY
Disclosure of detailed information about financial instruments
Foreign exchange rate \| $ / ¥	5.46	5.46	5.74
EUR
Disclosure of detailed information about financial instruments
Foreign exchange rate \| $ / €	739.32	739.32	707.61