ALLOWANCES AND PROVISIONS - NON CURRENT AND CURRENT (Tables)

12 Months Ended

Dec. 31, 2019

Provisions [abstract]

Schedule of provisions

Provisions and allowances - Non current
	Liabilities		Liabilities
	Legal claims and other matters		Asset retirement obligation
Year ended December 31, 2019
Values at the beginning of the year	643,950		24,554
Translation differences	(25,701	)	1,077
Additions	2,689		925
Reversals	(4,417	)	—
Uses	(3,170	)	—
At December 31, 2019	613,351		26,556
Year ended December 31, 2018
Values at the beginning of the year	768,517		27,829
Effect of initial inflation adjustment (note 4 (cc))	1,315		—
Translation differences	(113,571	)	82
Additions	6,438		5,383
Reversals	(14,097	)	(8,740	)
Uses	(4,652	)	—
At December 31, 2018	643,950		24,554

19. ALLOWANCES AND PROVISIONS – NON CURRENT AND CURRENT (continued)

Provisions and allowances - Current	Deducted from assets				Liabilities
	Allowance for doubtful accounts		Obsolescence allowance		Asset retirement obligation
Year ended December 31, 2019
Values at the beginning of the year	14,346		55,454		9,851
Translation differences	(285	)	(458	)	348
Additions	787		18,036		5,201
Reversals	(1,080	)	(9,623	)	—
Uses	(807	)	(1,242	)	(6,898	)
At December 31, 2019	12,961		62,167		8,502
Year ended December 31, 2018
Values at the beginning of the year	16,543		36,197		2,659
Effect of initial inflation adjustment (note 4 (cc))	202		6,530		—
Translation differences	(2,076	)	(2,384	)	(10	)
Additions	2,732		22,822		7,659
Reversals	(1,103	)	(5,500	)	—
Uses	(1,952	)	(2,211	)	(457	)
At December 31, 2018	14,346		55,454		9,851