Property, Plant and Equipment, Net - Schedule of Total Future Lease Payments (Detail) - CLP ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Disclosure Of Future Minimum Lease Payments [Line Items]
Future lease payments	$ 788,157
Short-term lease expenses	602,493
Operating lease payments recognized in profit and loss		$ 2,066,713
Less than One Year [Member]
Disclosure Of Future Minimum Lease Payments [Line Items]
Future lease payments	$ 788,157

The amount of the expense relating to variable lease payments not included in the measurement of lease liabilities. Variable lease payments are the portion of payments made by a lessee to a lessor for the right to use an underlying asset during the lease term that varies because of changes in facts or circumstances occurring after the commencement date, other than the passage of time. [Refer: Lease liabilities]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2019-01-01
-Paragraph 53
-Subparagraph e
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_53_e&doctype=Standard
-URIDate 2019-03-27

Name:	ifrs-full_ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfLeaseLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration