The amount of outstanding funds that the entity is obligated to repay.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The adjustment to the basis (reference rate) used for calculation of the interest rate on borrowings. [Refer: Borrowings]

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

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Debt repayment term.

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Description of Loan Repayment Period

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- Definition

Frequency of debt pay off.

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Number of equal installment for payment of resolution of compensation.

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- Definition

Percentage of amount in USD calculated using exchange rate at time of injection of natural gas.

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Percentage of amount in USD calculated using exchange rate between time of injection and time of payment due.

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Redemption price percentage of aggregate principal amount.

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Subsequent Events - Additional Information (Detail) $ in Millions, $ in Millions	Apr. 03, 2018 Installment	Feb. 08, 2018 USD ($)	Dec. 31, 2017 ARS ($)	Dec. 31, 2016 ARS ($)	Dec. 31, 2015 ARS ($)	Dec. 31, 2014 ARS ($)
Disclosure of non-adjusting events after reporting period [line items]
Loans from banks			$ 191,063	$ 154,345	$ 105,751	$ 49,305
Resolution of Compensation [Member]
Disclosure of non-adjusting events after reporting period [line items]
Percentage of amount in USD calculated using exchange rate at time of injection of natural gas	85.00%
Percentage of amount in USD calculated using exchange rate between time of injection and time of payment due	15.00%
Number of equal installment for payment of resolution of compensation \| Installment	30
Metrogas [member] \| Unsecured Loans [Member]
Disclosure of non-adjusting events after reporting period [line items]
Loans from banks		$ 250
Debt repayment term		36 months
Frequency of debt pay off		9 quarterly installments
Loan payment period		As from the 12 months anniversary of the disbursement date
Redemption price		100.00%
LIBOR [member] \| Metrogas [member] \| 0 to 1 year [member] \| Unsecured Loans [Member]
Disclosure of non-adjusting events after reporting period [line items]
Variable interest rate		3.00%
LIBOR [member] \| Metrogas [member] \| Thirteenth To Eighteenth Month [member] \| Unsecured Loans [Member]
Disclosure of non-adjusting events after reporting period [line items]
Variable interest rate		3.50%
LIBOR [member] \| Metrogas [member] \| Nineteenth To Twenty Fourth Month [Member] \| Unsecured Loans [Member]
Disclosure of non-adjusting events after reporting period [line items]
Variable interest rate		3.75%
LIBOR [member] \| Metrogas [member] \| Later than Two Years [member] \| Unsecured Loans [Member]
Disclosure of non-adjusting events after reporting period [line items]
Variable interest rate		4.00%