OPERATING EXPENSES - Taxes and fees with the Regulatory Authority (Details) - ARS ($) $ in Millions	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
OPERATING EXPENSES
Turnover tax	$ (7,361)	$ (2,157)	$ (1,218)
Municipal taxes	(1,811)	(1,026)	(838)
Other taxes and fees	(4,437)	(1,676)	(2,285)
Total taxes and fees with the regulatory authority	$ (13,609)	$ (4,859)	$ (4,341)

The amount of tax expense exclusive of income tax expense.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 85
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_85&doctype=Standard
-URIDate 2018-03-16

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