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Provisions - Additional Information (Detail) $ in Thousands, $ in Millions |  |  |  |  |  |  |  | 12 Months Ended |  |  |  |  |  |  |  |
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Feb. 01, 2018 USD ($) | Jan. 02, 2018 USD ($) | Dec. 28, 2015 ARS ($) | Apr. 03, 2014 | Apr. 03, 2013 USD ($) | Jul. 10, 2009 USD ($) | Jun. 25, 2008 USD ($) | Dec. 31, 2017 USD ($) | Dec. 04, 2017 USD ($) | Jan. 10, 2014 USD ($) | Jan. 12, 2012 ARS ($) | Mar. 12, 2010 USD ($) | Dec. 31, 2009 USD ($) | Dec. 31, 2008 USD ($) | Dec. 31, 2007 USD ($) | Dec. 31, 2006 USD ($)
Disclosure of provision matrix [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Description of provision for litigation and contingencies |  |  |  |  |  |  |  | The Group has accrued pending lawsuits, claims and contingencies, which are probable and can be reasonably estimated. |  |  |  |  |  |  |  |
SULGAS and TGM [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of provision matrix [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Admissibility of deliver or pay claims |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 28,000 | $ 28,000 | $ 2,400
TGN [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of provision matrix [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Claims benefits and payment of interest |  |  |  |  | $ 142,000 |  |  |  |  |  |  |  |  |  |  |
Natural gas transportation contract and payment of unpaid invoices |  |  |  |  |  |  |  |  |  |  |  | $ 64,000 |  |  |  |
Evidence production period lapse term |  |  |  | 40 days |  |  |  |  |  |  |  |  |  |  |  |
NAFISA [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of provision matrix [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Claim and payment of transportation charges |  |  |  |  |  |  |  |  |  |  | $ 339 |  |  |  |  |
CNDC [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of provision matrix [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Transfer amount and interest |  |  | $ 98 |  |  |  |  |  |  |  |  |  |  |  |  |
AESU [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of provision matrix [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Claimed damages in natural gas deliver or pay penalties |  |  |  |  |  |  | $ 28,100 |  |  |  |  |  |  |  |  |
Claimed damages in Additional natural gas deliver or pay penalties |  |  |  |  |  |  | 2,700 |  |  |  |  |  |  |  |  |
Dismantling costs and the payment of deliver or pay penalties |  |  |  |  |  |  | 1,052,000 |  |  |  |  |  |  |  |  |
Complaint for damages with tribunal total claiming amount |  |  |  |  |  |  |  |  |  | $ 815,500 |  |  |  |  |  |
Pay damages for early termination of the gas export contract |  |  |  |  |  |  |  |  |  |  |  |  | $ 185,000 |  |  |
TGM [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of provision matrix [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase amount of claims |  |  |  |  |  | $ 17,000 |  |  |  |  |  |  |  |  |  |
Additional claimed amount |  |  |  |  |  | $ 366,000 |  |  |  |  |  |  |  |  |  |
Complaint for damages with tribunal total claiming amount |  |  |  |  |  |  |  |  |  | $ 362,600 |  |  |  |  |  |
Pay damages for early termination of the gas export contract |  |  |  |  |  |  |  |  |  |  |  |  | $ 319,000 |  |  |
TGM [member] | Lawsuits and arbitrations proceedings [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of provision matrix [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Settlement amount |  |  |  |  |  |  |  |  | $ 114,000 |  |  |  |  |  |  |
Installment amount |  |  |  |  |  |  |  |  | 7,000 |  |  |  |  |  |  |
TGM [member] | Interruptible exportation transport contract [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of provision matrix [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Installment amount |  |  |  |  |  |  |  |  | $ 13,000 |  |  |  |  |  |  |
TGM [member] | Commencement of major litigation [member] | Lawsuits and arbitrations proceedings [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of provision matrix [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payment for settlement amount | $ 1,000 | $ 107,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
TGM [member] | Commencement of major litigation [member] | Interruptible exportation transport contract [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of provision matrix [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payment for settlement amount | $ 1,860 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
TGM [member] | YPF S.A. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of provision matrix [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Claims benefits and payment of interest |  |  |  |  |  |  | $ 10,000 |  |  |  |  |  |  |  |  |
Agreement under litigation rights and claims benefits payment |  |  |  |  |  |  |  | $ 60,000 |  |  |  |  |  |  |  |
OPDS [member] | YPF S.A. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of provision matrix [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Description of risk in environmental claims |  |  |  |  |  |  |  | On January 25, 2011, YPF entered into an agreement with the environmental agency of the Government of the Province of Buenos Aires (Organismo Provincial para el Desarrollo Sostenible, or "OPDS"), within the scope of the Remediation, Liability and Environmental Risk Control Program, created by Resolution No. 88/2010 of the OPDS. |  |  |  |  |  |  |  |
Work program term |  |  |  |  |  |  |  | Eight-year |  |  |  |  |  |  |  |

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- Definition The amount of claims and benefits paid to policyholders, net of reinsurance recoveries. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 85 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_85&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition A classification of current inventory representing the amount of a naturally occurring hydrocarbon gas mixture. [Refer: Inventories] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 2 -IssueDate 2017-01-01 -Paragraph 37 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=2&date=2017-03-01&anchor=para_37&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The description of the nature of the obligation for contingent liabilities. [Refer: Contingent liabilities [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2017-01-01 -Paragraph 86 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2017-03-01&anchor=para_86&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The gains (losses) on settlements of litigation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 98 -Subparagraph f -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_98_f&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of income arising from fines and penalties. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of provision for legal proceedings. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 37 -IssueDate 2017-01-01 -Section Example 10 A court case -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2017-03-01&anchor=sect_Example10Acourtcase&doctype=Illustrative%20Examples -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 37 -IssueDate 2017-01-01 -Paragraph 87 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2017-03-01&anchor=para_87&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The cash outflow for premiums and claims, annuities and other policy benefits. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2017-01-01 -Paragraph 14 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2017-03-01&anchor=para_14_e&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The description of the period covered by the set of financial statements or notes. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 51 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_51_c&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of proceeds recognised from the transfer of financial assets during the part of the reporting period within which the greatest transfer activity took place when the total amount of proceeds from the transfer activity (that qualifies for derecognition) is not evenly distributed throughout the reporting period. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 42G -Subparagraph c -Clause iii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_42G_c_iii&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition Admissibility of delivery or pay claims. + References No definition available. + Details
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- Definition Description of risk in environmental claims. + References No definition available. + Details
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- Definition Natural gas transportation contract and payment of unpaid invoices. + References No definition available. + Details
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- Definition Pay damages for early termination of the gas export contract. + References No definition available. + Details
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