Inventories - Summary of Classes of Inventories (Parenthetical) (Detail) - CLP ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Classes Of Inventories [Abstract]
Inventories pledged as collateral to hedge any liability	$ 0	$ 0

The amount of inventories pledged as security for liabilities. [Refer: Inventories]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 2
-IssueDate 2016-01-13
-Paragraph 36
-Subparagraph h
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=2&date=2016-03-30&anchor=para_36_h&doctype=Standard
-URIDate 2016-03-31

Name:	ifrs-full_InventoriesPledgedAsSecurityForLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant