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Financial Instruments by Category - Additional Information (Detail) $ in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2016 ARS ($)	Dec. 31, 2017 ARS ($)	Sep. 21, 2016 USD ($)	Jul. 13, 2016 USD ($)	Dec. 31, 2015 ARS ($)
BONAR Two Thousand Twenty US Dollar [member]
Disclosure of detailed information about financial instruments [line items]
Bonds interest rate	8.00%
Bonds maturity year	2020
Face value			$ 12	$ 630
BONAR Two Thousand Twenty US Dollar [member] | Top of range [member]
Disclosure of detailed information about financial instruments [line items]
Selling percentage of aggregate amount	3.00%
Accrued balance percentage	12.00%
Level 3 [member] | Estimated Fair Value of Loans [member]
Disclosure of detailed information about financial instruments [line items]
Other remaining financial loans	$ 157,133	$ 200,264			$ 106,336

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- Definition

The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
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Bond maturity year

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Bonds issued interest rate.

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Other remaining financial loans.

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Selling percentage.

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