BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Textual (Details)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Disclosure of voluntary change in accounting policy [line items]
Closing foreign exchange rate	3,277.14	3,249.75	2,984.00
Minimum
Disclosure of voluntary change in accounting policy [line items]
Proportion of ownership interest in associate	20.00%

The proportion of ownership interest in an associate attributable to the entity. [Refer: Associates [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Number 27
-IssueDate 2019-01-01
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-Subparagraph b
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-URIDate 2019-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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-Number 12
-IssueDate 2019-01-01
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Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration