Costs - Detailed Information of Inventory Costs (Detail) - ARS ($) $ in Millions	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Disclosure of details of inventory costs [abstract]
Inventories at beginning of year	$ 27,149	$ 21,808	$ 19,173
Purchases	124,279	65,945	48,833
Production costs	234,340	147,423	127,075
Translation effect	26,514	3,877	4,031
Inventories incorporated by business combination	445
Adjustment for inflation	167
Reclassifications and other movements		(92)
Inventories at end of the year	(53,324)	(27,149)	(21,808)
Total	$ 359,570	$ 211,812	$ 177,304

The amount of costs relating to expenses directly or indirectly attributed to the goods or services sold, which may include, but are not limited to, costs previously included in the measurement of inventory that has now been sold, unallocated production overheads and abnormal amounts of production costs of inventories.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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