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Contractual Commitments - Project Investment Agreements - Additional Information (Detail) $ in Thousands, $ in Millions |  |  |  |  |  |  |  |  |  | 1 Months Ended | 12 Months Ended |  |  |  |
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Jan. 14, 2021 | Feb. 11, 2019 | Apr. 30, 2018 USD ($) | Jan. 17, 2018 USD ($) | Jul. 17, 2017 USD ($) | May 12, 2017 USD ($) | Apr. 18, 2017 USD ($) | Feb. 23, 2017 USD ($) | Jul. 10, 2015 USD ($) | Oct. 31, 2017 | Sep. 30, 2013 USD ($) | Dec. 31, 2020 ARS ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 10, 2013 USD ($) | Dec. 31, 2019 ARS ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 ARS ($) | Nov. 23, 2018 USD ($) | Jul. 16, 2013 USD ($)
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment in joint venture |  |  |  |  |  |  |  |  |  |  |  | $ 97,186 |  |  |  | $ 61,183 |  | $ 30,324 |  |
Agreement for the exploitation of the Aguada Pichana and Aguada de Castro Areas [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total estimated exploration investment cost |  |  |  |  | $ 1,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loma Campana [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disbursement |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 940,000 |  |  |  |  |
Exploitation concession |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50.00% |  |  |  |  |
Agreement for the exploitation of the Aguada Pichana and Aguada de Castro Areas [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceed through investment contribution |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 52,300 |  |  |  |  |  |
Aguada Pichana East (APE) [Member] | Agreement for the exploitation of the Aguada Pichana and Aguada de Castro Areas [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated exploration cost |  |  |  |  | 300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aguada Pichana Oeste (APO) [member] | Agreement for the exploitation of the Aguada Pichana and Aguada de Castro Areas [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated exploration cost |  |  |  |  | 150,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aguada De Castro (ACA) [Member] | Agreement for the exploitation of the Aguada Pichana and Aguada de Castro Areas [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated exploration cost |  |  |  |  | $ 50,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Llancanelo Mendoza [member] | YPF Sociedad Anonima [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest in joint venture investments |  | 39.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Province of Neuquen [member] | Loma Campana Loma La Lata Norte [member] | Chevron [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expenditure incurred for development of pilot project |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,240,000
Extension of concession maturity year |  |  |  |  |  |  |  |  |  |  | 2048 |  |  |  |  |  |  |  |  |
Province of Neuquen [member] | Narambuena Exploration Project Area [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity interest in joint operation |  |  |  |  |  |  |  |  |  |  |  | 50.00% |  |  |  |  |  |  |  |
Percentage of legal interest allocated to CDNC in Sierra Negra exploitation |  |  |  |  |  |  |  |  |  |  |  | 7.00% |  |  |  |  |  |  |  |
Percentage of contribution in a joint investment |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |
Province of Neuquen [member] | Loma La Lata Norte and Loma Campana areas [member] | Chevron's initial payment [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments of contractual commitments fee |  |  |  |  |  |  |  |  |  |  | $ 300,000 |  |  |  |  |  |  |  |  |
CDNC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest acquired |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |
Percentage of concession and supplementary rights Chevron could exercise |  |  |  |  |  |  |  |  |  |  |  | 50.00% |  |  |  |  |  |  |  |
Investments in joint ventures in first stage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 62,700 |  |  |
Investments in joint ventures in second phase |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 57,700 |  |  |
Investment contribution first stage |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 55,300 |  |  |  |  |  |
Investment contribution second phase |  |  | $ 40,490 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in joint venture contributions commitments |  |  |  |  |  |  |  |  |  |  |  |  | $ 62,700 |  |  |  |  |  |  |
Lindero Atravesado Block Neuquen [member] | Pan American Energy LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of pro rata interest |  |  |  |  |  |  |  |  | 62.50% |  |  |  |  |  |  |  |  |  |  |
Lindero Atravesado Block Neuquen [member] | YPF Sociedad Anonima [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of pro rata interest |  |  |  |  |  |  |  |  | 37.50% |  |  |  |  |  |  |  |  |  |  |
Concession term of hydrocarbons exploitation |  |  |  |  |  |  |  |  | 35 years |  |  |  |  |  |  |  |  |  |  |
Unconventional Tight Gas program completion term |  |  |  |  |  |  |  |  | 4 years |  |  |  |  |  |  |  |  |  |  |
Unconventional Tight Gas Pilot |  |  |  |  |  |  |  |  | $ 590,000 |  |  |  |  |  |  |  |  |  |  |
OAndG Developments Limited SA [member] | Agreement for the development the Bajada de Anelo Area [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of participation interest acquired |  |  |  |  |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
OAndG Developments Limited SA [member] | First phase [member] | Agreement for the development the Bajada de Anelo Area [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment in joint venture |  |  |  |  |  | $ 222,600 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum duration |  |  |  |  |  | 30 months |  |  |  |  |  |  |  |  |  |  |  |  |  |
OAndG Developments Limited SA [member] | Second phase [member] | Agreement for the development the Bajada de Anelo Area [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment in joint venture |  |  |  |  |  | $ 75,800 |  |  |  |  |  |  |  |  |  |  |  |  |  |
OAndG Developments Limited SA [member] | Agreement for the development the Bajada de Anelo Area [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest in joint venture investments |  |  |  |  |  |  |  | 97.60% |  |  |  |  |  |  |  |  |  |  |  |
YPF S.A. [member] | Agreement for the development the Bajada de Anelo Area [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of contribution in a joint investment |  |  |  |  |  |  |  | 2.40% |  |  |  |  |  |  |  |  |  |  |  |
YPF S.A. [member] | Llancanelo Mendoza [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest in joint venture investments |  |  |  |  |  |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |
YPF E&P [member] | Charagua Block Bolivia [member] | Mixed Economy Company [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity interest in joint operation |  |  |  |  |  |  |  |  |  | 29.40% |  |  |  |  |  |  |  |  |  |
Chaco [member] | Charagua Block Bolivia [member] | Mixed Economy Company [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity interest in joint operation |  |  |  |  |  |  |  |  |  | 19.60% |  |  |  |  |  |  |  |  |  |
Statoil [member] | Bajo del Toro [member] | Definitive Agreements [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity interest in joint operation |  |  |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Receivable for price associated with wells |  |  |  | $ 30,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 30,000 |
Percentage of costs to be contributed by joint developer |  |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statoil [member] | Bajo del Toro [member] | Maximum [Member] | Definitive Agreements [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Costs and investments |  |  |  | $ 270,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
YPF [member] | Bajada de anelo area- O&G [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Join investment amount |  |  |  |  |  |  |  | $ 305,800 |  |  |  |  |  |  |  |  |  |  |  |
YPF [member] | Agreement for the development the Bajada de Anelo Area [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment in joint venture |  |  |  |  |  | $ 7,400 |  |  |  |  |  |  |  |  |  |  |  |  |  |
YPF [member] | Bajo del Toro [member] | Definitive Agreements [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity interest in joint operation |  |  |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Patagonia Oil Corp [member] | Llancanelo Block [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest acquired |  |  |  |  |  |  | 11.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Patagonia Oil Corp [member] | Llancanelo Block [member] | First phase [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Join investment amount |  |  |  |  |  |  | $ 40,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Patagonia Oil Corp [member] | Llancanelo Block [member] | Second phase [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Join investment amount |  |  |  |  |  |  | $ 54,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Yacimientos Petroliferos Fiscales Bolivianos [member] | COVID-19 [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extension of First Exploratory Expiration Term | May 26, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Yacimientos Petroliferos Fiscales Bolivianos [member] | Exploration agreement in the Charagua block [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Agreed upon percentage on service contract |  |  |  |  |  |  |  |  |  | 40.00% |  |  |  |  |  |  |  |  |  |
Yacimientos Petroliferos Fiscales Bolivianos [member] | Charagua Block Bolivia [member] | Mixed Economy Company [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity interest in joint operation |  |  |  |  |  |  |  |  |  | 51.00% |  |  |  |  |  |  |  |  |  |

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