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Investments in Associates and Joint Ventures - Summary of Investments Information (Detail) $ / shares in Units, $ in Millions | 12 Months Ended |  |
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Dec. 31, 2019 ARS ($) $ / shares shares | Dec. 31, 2018 ARS ($) | Dec. 31, 2017 ARS ($) | Dec. 31, 2019 $ / shares | Dec. 31, 2019 Bs. / shares | Dec. 31, 2016 ARS ($)
Disclosure of investments in associates and joint ventures [line items] |  |  |  |  |  |
Securities Face Value | $ / shares | $ 10 |  |  |  |  |
Book Value | $ 67,602 | $ 32,698 |  |  |  |
Cost | 6,782 |  |  |  |  |
Net profit (loss) | (33,379) | 38,606 | $ 12,672 |  |  |
Equity | 548,099 | 362,357 | 152,533 |  |  | $ 118,661
Associates [member] |  |  |  |  |  |
Disclosure of investments in associates and joint ventures [line items] |  |  |  |  |  |
Book Value | 6,789 | 2,533 |  |  |  |
Cost | $ 611 |  |  |  |  |
Associates [member] | Oleoductos del Valle S.A [member] |  |  |  |  |  |
Disclosure of investments in associates and joint ventures [line items] |  |  |  |  |  |
Description of the Securities Class | Common |  |  |  |  |
Securities Face Value | $ / shares | $ 10 |  |  |  |  |
Securities Amount | shares | 4,072,749 |  |  |  |  |
Book Value | $ 1,778 | 710 |  |  |  |
Main Business | Oil transportation by pipeline |  |  |  |  |
Registered Address | Florida 1, P. 10º, Buenos Aires, Argentina |  |  |  |  |
Last available financial statements Date | Dec. 31, 2019 |  |  |  |  |
Capital Stock | $ 110 |  |  |  |  |
Net profit (loss) | 1,707 |  |  |  |  |
Equity | $ 4,728 |  |  |  |  |
Holding in capital stock | 37.00% |  |  |  |  |
Associates [member] | Terminales Maritimas Patagonicas S.A [member] |  |  |  |  |  |
Disclosure of investments in associates and joint ventures [line items] |  |  |  |  |  |
Description of the Securities Class | Common |  |  |  |  |
Securities Face Value | $ / shares | $ 10 |  |  |  |  |
Securities Amount | shares | 476,034 |  |  |  |  |
Book Value | $ 711 | 226 |  |  |  |
Main Business | Oil storage and shipment |  |  |  |  |
Registered Address | Av. Leandro N. Alem 1180, P. 11º, Buenos Aires, Argentina |  |  |  |  |
Last available financial statements Date | Sep. 30, 2019 |  |  |  |  |
Capital Stock | $ 14 |  |  |  |  |
Net profit (loss) | 713 |  |  |  |  |
Equity | $ 2,111 |  |  |  |  |
Holding in capital stock | 33.15% |  |  |  |  |
Associates [member] | Oiltanking Ebytem S.A [member] |  |  |  |  |  |
Disclosure of investments in associates and joint ventures [line items] |  |  |  |  |  |
Description of the Securities Class | Common |  |  |  |  |
Securities Face Value | $ / shares | $ 10 |  |  |  |  |
Securities Amount | shares | 351,167 |  |  |  |  |
Book Value | $ 871 | 424 |  |  |  |
Main Business | Hydrocarbon transportation and storage |  |  |  |  |
Registered Address | Terminal Marítima Puerto Rosales – Provincia de Buenos Aires, Argentina. |  |  |  |  |
Last available financial statements Date | Dec. 31, 2019 |  |  |  |  |
Capital Stock | $ 12 |  |  |  |  |
Net profit (loss) | 869 |  |  |  |  |
Equity | $ 2,775 |  |  |  |  |
Holding in capital stock | 30.00% |  |  |  |  |
Associates [member] | Central Dock Sud S.A [member] |  |  |  |  |  |
Disclosure of investments in associates and joint ventures [line items] |  |  |  |  |  |
Description of the Securities Class | Common |  |  |  |  |
Securities Face Value | $ / shares | $ 0.01 |  |  |  |  |
Securities Amount | shares | 11,869,095,145 |  |  |  |  |
Book Value | $ 1,542 | 625 |  |  |  |
Main Business | Electric power generation and bulk marketing |  |  |  |  |
Registered Address | Pasaje Ingeniero Butty 220, P.16°, Buenos Aires, Argentina |  |  |  |  |
Last available financial statements Date | Dec. 31, 2019 |  |  |  |  |
Capital Stock | $ 1,231 |  |  |  |  |
Net profit (loss) | 3,447 |  |  |  |  |
Equity | $ 15,284 |  |  |  |  |
Holding in capital stock | 10.25% |  |  |  |  |
Associates [member] | YPF Gas S.A [member] |  |  |  |  |  |
Disclosure of investments in associates and joint ventures [line items] |  |  |  |  |  |
Description of the Securities Class | Common |  |  |  |  |
Securities Face Value | $ / shares | $ 1 |  |  |  |  |
Securities Amount | shares | 59,821,434 |  |  |  |  |
Book Value | $ 965 | 258 |  |  |  |
Main Business | Gas fractionation, bottling, distribution and transport for industrial and/or residential use |  |  |  |  |
Registered Address | Macacha Güemes 515, P.3º, Buenos Aires, Argentina |  |  |  |  |
Last available financial statements Date | Sep. 30, 2019 |  |  |  |  |
Capital Stock | $ 176 |  |  |  |  |
Net profit (loss) | 1,388 |  |  |  |  |
Equity | $ 4,218 |  |  |  |  |
Holding in capital stock | 33.99% |  |  |  |  |
Associates [member] | Other Related Parties [member] |  |  |  |  |  |
Disclosure of investments in associates and joint ventures [line items] |  |  |  |  |  |
Book Value | $ 922 | 290 |  |  |  |
Cost | 611 |  |  |  |  |
Joint Ventures [member] |  |  |  |  |  |
Disclosure of investments in associates and joint ventures [line items] |  |  |  |  |  |
Book Value | 60,813 | 30,165 |  |  |  |
Cost | 6,171 |  |  |  |  |
Net profit (loss) | $ 5,936 | 3,814 | $ 885 |  |  |
Joint Ventures [member] | YPF Energia Electrica S.A [member] |  |  |  |  |  |
Disclosure of investments in associates and joint ventures [line items] |  |  |  |  |  |
Description of the Securities Class | Common |  |  |  |  |
Securities Face Value | $ / shares | $ 1 |  |  |  |  |
Securities Amount | shares | 1,879,916,921 |  |  |  |  |
Book Value | $ 35,382 | 19,320 |  |  |  |
Cost | $ 1,085 |  |  |  |  |
Main Business | Exploration, explotation, industrialization and marketing of hydrocarbons and generation, transport and marketing of electric energy |  |  |  |  |
Registered Address | Macacha Güemes 515, Buenos Aires, Argentina |  |  |  |  |
Last available financial statements Date | Dec. 31, 2019 |  |  |  |  |
Capital Stock | $ 3,747 |  |  |  |  |
Net profit (loss) | 4,227 |  |  |  |  |
Equity | $ 45,539 |  |  |  |  |
Holding in Capital Stock | 75.00% |  |  |  |  |
Joint Ventures [member] | Compania Mega S.A [member] |  |  |  |  |  |
Disclosure of investments in associates and joint ventures [line items] |  |  |  |  |  |
Description of the Securities Class | Common |  |  |  |  |
Securities Face Value | $ / shares | $ 1 |  |  |  |  |
Securities Amount | shares | 244,246,140 |  |  |  |  |
Book Value | $ 5,211 | 3,405 |  |  |  |
Main Business | Separation, fractionation and transportation of natural gas liquids |  |  |  |  |
Registered Address | San Martín 344, P. 10º, Buenos Aires, Argentina |  |  |  |  |
Last available financial statements Date | Sep. 30, 2019 |  |  |  |  |
Capital Stock | $ 643 |  |  |  |  |
Net profit (loss) | 220 |  |  |  |  |
Equity | $ 12,612 |  |  |  |  |
Holding in Capital Stock | 38.00% |  |  |  |  |
Joint Ventures [member] | Profertil S.A [member] |  |  |  |  |  |
Disclosure of investments in associates and joint ventures [line items] |  |  |  |  |  |
Description of the Securities Class | Common |  |  |  |  |
Securities Face Value | $ / shares | $ 1 |  |  |  |  |
Securities Amount | shares | 391,291,320 |  |  |  |  |
Book Value | $ 10,778 | 6,133 |  |  |  |
Main Business | Production and marketing of fertilizers |  |  |  |  |
Registered Address | Alicia Moreau de Justo 740, P. 3, Buenos Aires, Argentina |  |  |  |  |
Last available financial statements Date | Sep. 30, 2019 |  |  |  |  |
Capital Stock | $ 783 |  |  |  |  |
Net profit (loss) | 335 |  |  |  |  |
Equity | $ 23,498 |  |  |  |  |
Holding in Capital Stock | 50.00% |  |  |  |  |
Joint Ventures [member] | Refinera Del Norte S.A [member] |  |  |  |  |  |
Disclosure of investments in associates and joint ventures [line items] |  |  |  |  |  |
Description of the Securities Class | Common |  |  |  |  |
Securities Face Value | $ / shares | $ 1 |  |  |  |  |
Securities Amount | shares | 45,803,655 |  |  |  |  |
Book Value | $ 1,881 | $ 1,307 |  |  |  |
Main Business | Refining |  |  |  |  |
Registered Address | Maipú 1, P. 2º, Buenos Aires, Argentina |  |  |  |  |
Last available financial statements Date | Sep. 30, 2019 |  |  |  |  |
Capital Stock | $ 92 |  |  |  |  |
Net profit (loss) | (298) |  |  |  |  |
Equity | $ 3,296 |  |  |  |  |
Holding in Capital Stock | 50.00% |  |  |  |  |
Joint Ventures [member] | Oleoducto Loma Campana-Lago Pellegrini S.A [member] |  |  |  |  |  |
Disclosure of investments in associates and joint ventures [line items] |  |  |  |  |  |
Description of the Securities Class | Common |  |  |  |  |
Securities Face Value | $ / shares | $ 1 |  |  |  |  |
Securities Amount | shares | 738,139,164 |  |  |  |  |
Book Value | $ 762 |  |  |  |  |
Cost | $ 738 |  |  |  |  |
Main Business | Construction and operation of a pipeline, oil transport and storage, import, export, purchase and sale of raw materials, industrial equipment and machinery |  |  |  |  |
Registered Address | Macacha Güemes 515, Buenos Aires, Argentina |  |  |  |  |
Last available financial statements Date | Dec. 31, 2019 |  |  |  |  |
Capital Stock | $ 868 |  |  |  |  |
Net profit (loss) | (303) |  |  |  |  |
Equity | $ 909 |  |  |  |  |
Holding in Capital Stock | 85.00% |  |  |  |  |
Joint Ventures [member] | CT Barragn SA [Member] |  |  |  |  |  |
Disclosure of investments in associates and joint ventures [line items] |  |  |  |  |  |
Description of the Securities Class | Common |  |  |  |  |
Securities Face Value | $ / shares | $ 1 |  |  |  |  |
Securities Amount | shares | 4,279,033,952 |  |  |  |  |
Book Value | $ 6,799 |  |  |  |  |
Cost | $ 4,348 |  |  |  |  |
Main Business | Production and generation of electric energy |  |  |  |  |
Registered Address | Maipú 1, Buenos Aires, Argentina |  |  |  |  |
Last available financial statements Date | Dec. 31, 2019 |  |  |  |  |
Capital Stock | $ 8,558 |  |  |  |  |
Net profit (loss) | 2,370 |  |  |  |  |
Equity | $ 13,619 |  |  |  |  |
Holding in Capital Stock | 50.00% |  |  |  |  |
Subsidiaries [member] | YPF International S.A. [member] |  |  |  |  |  |
Disclosure of investments in associates and joint ventures [line items] |  |  |  |  |  |
Description of the Securities Class | Common |  |  |  |  |
Securities Face Value | Bs. / shares |  |  |  |  | Bs. 100 |
Securities Amount | shares | 66,897 |  |  |  |  |
Main Business | Investment |  |  |  |  |
Registered Address | Calle La Plata 19, Santa Cruz de la Sierra, República de Bolivia |  |  |  |  |
Last available financial statements Date | Dec. 31, 2019 |  |  |  |  |
Capital Stock | $ 15 |  |  |  |  |
Net profit (loss) | 5 |  |  |  |  |
Equity | $ 78 |  |  |  |  |
Holding in Capital Stock | 100.00% |  |  |  |  |
Subsidiaries [member] | YPF Holdings Inc. [member] |  |  |  |  |  |
Disclosure of investments in associates and joint ventures [line items] |  |  |  |  |  |
Description of the Securities Class | Common |  |  |  |  |
Securities Face Value | $ / shares |  |  |  | $ 0.01 |  |
Securities Amount | shares | 810,614 |  |  |  |  |
Main Business | Investment and finance |  |  |  |  |
Registered Address | 10333 Richmond Avenue I, Suite 1050, TX, U.S.A. |  |  |  |  |
Last available financial statements Date | Dec. 31, 2019 |  |  |  |  |
Capital Stock | $ 48,461 |  |  |  |  |
Net profit (loss) | (6) |  |  |  |  |
Equity | $ (12,848) |  |  |  |  |
Holding in Capital Stock | 100.00% |  |  |  |  |
Subsidiaries [member] | Operadora de Estaciones de Servicios S.A.[member] |  |  |  |  |  |
Disclosure of investments in associates and joint ventures [line items] |  |  |  |  |  |
Description of the Securities Class | Common |  |  |  |  |
Securities Face Value | $ / shares | $ 1 |  |  |  |  |
Securities Amount | shares | 163,701,747 |  |  |  |  |
Main Business | Commercial management of YPF’s gas stations |  |  |  |  |
Registered Address | Macacha Güemes 515, Buenos Aires, Argentina |  |  |  |  |
Last available financial statements Date | Dec. 31, 2019 |  |  |  |  |
Capital Stock | $ 164 |  |  |  |  |
Net profit (loss) | 1,193 |  |  |  |  |
Equity | $ 4,307 |  |  |  |  |
Holding in Capital Stock | 99.99% |  |  |  |  |
Subsidiaries [member] | A-Evangelista S.A. [member] |  |  |  |  |  |
Disclosure of investments in associates and joint ventures [line items] |  |  |  |  |  |
Description of the Securities Class | Common |  |  |  |  |
Securities Face Value | $ / shares | $ 1 |  |  |  |  |
Securities Amount | shares | 307,095,088 |  |  |  |  |
Main Business | Engineering and construction services |  |  |  |  |
Registered Address | Macacha Güemes 515, Buenos Aires, Argentina |  |  |  |  |
Last available financial statements Date | Dec. 31, 2019 |  |  |  |  |
Capital Stock | $ 307 |  |  |  |  |
Net profit (loss) | (3,446) |  |  |  |  |
Equity | $ (698) |  |  |  |  |
Holding in Capital Stock | 100.00% |  |  |  |  |
Subsidiaries [member] | Metrogas S.A. [member] |  |  |  |  |  |
Disclosure of investments in associates and joint ventures [line items] |  |  |  |  |  |
Description of the Securities Class | Common |  |  |  |  |
Securities Face Value | $ / shares | $ 1 |  |  |  |  |
Securities Amount | shares | 398,419,700 |  |  |  |  |
Main Business | Providing the public service of natural gas distribution |  |  |  |  |
Registered Address | Gregorio Aráoz de Lamadrid 1360, Buenos Aires, Argentina. |  |  |  |  |
Last available financial statements Date | Dec. 31, 2019 |  |  |  |  |
Capital Stock | $ 569 |  |  |  |  |
Net profit (loss) | 110 |  |  |  |  |
Equity | $ 19,500 |  |  |  |  |
Holding in Capital Stock | 70.00% |  |  |  |  |
Subsidiaries [member] | YPF Chile S.A. [member] |  |  |  |  |  |
Disclosure of investments in associates and joint ventures [line items] |  |  |  |  |  |
Description of the Securities Class | Common |  |  |  |  |
Securities Amount | shares | 50,968,649 |  |  |  |  |
Main Business | Lubricants and aviation fuels trading and hydrocarbons research and exploration |  |  |  |  |
Registered Address | Villarica 322; Módulo B1, Qilicura, Santiago |  |  |  |  |
Last available financial statements Date | Dec. 31, 2019 |  |  |  |  |
Capital Stock | $ 2,730 |  |  |  |  |
Net profit (loss) | (1,013) |  |  |  |  |
Equity | $ 2,196 |  |  |  |  |
Holding in Capital Stock | 100.00% |  |  |  |  |
Subsidiaries [member] | YPF Tecnologia S.A [member] |  |  |  |  |  |
Disclosure of investments in associates and joint ventures [line items] |  |  |  |  |  |
Description of the Securities Class | Common |  |  |  |  |
Securities Face Value | $ / shares | $ 1 |  |  |  |  |
Securities Amount | shares | 234,291,000 |  |  |  |  |
Main Business | Investigation, development, production and marketing of technologies, knowledge, goods and services |  |  |  |  |
Registered Address | Macacha Güemes 515, Buenos Aires, Argentina |  |  |  |  |
Last available financial statements Date | Dec. 31, 2019 |  |  |  |  |
Capital Stock | $ 459 |  |  |  |  |
Net profit (loss) | 436 |  |  |  |  |
Equity | $ 2,729 |  |  |  |  |
Holding in Capital Stock | 51.00% |  |  |  |  |
Subsidiaries [member] | Compania de Inversiones Mineras S.A. [Member] |  |  |  |  |  |
Disclosure of investments in associates and joint ventures [line items] |  |  |  |  |  |
Description of the Securities Class | Common |  |  |  |  |
Securities Face Value | $ / shares | $ 1 |  |  |  |  |
Securities Amount | shares | 236,474,420 |  |  |  |  |
Main Business | Exploration, exploitation, processing, management, storage and transport of all types of minerals; assembly, construction and operation of facilities and structures and processing of products related to mining |  |  |  |  |
Registered Address | Macacha Güemes 515, Buenos Aires, Argentina |  |  |  |  |
Last available financial statements Date | Dec. 31, 2019 |  |  |  |  |
Capital Stock | $ 236 |  |  |  |  |
Net profit (loss) | (407) |  |  |  |  |
Equity | $ 76 |  |  |  |  |
Holding in Capital Stock | 100.00% |  |  |  |  |

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