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Investment in Joint Venture - Information of Assets and Liabilities (Detail) - ARS ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Disclosure of joint operations [line items] |  |  |
Noncurrent assets | $ 383,420 | $ 333,913 | $ 286,480
Current assets | 122,298 | 87,226 | 76,973
Total assets | 505,718 | 421,139 | 363,453
Noncurrent liabilities | 250,451 | 220,012 | 163,201
Current liabilities | 102,734 | 82,466 | 79,791
Total liabilities | 353,185 | 302,478 | 242,992
Exploration expenses | 2,456 | 3,155 | 2,473
Joint Ventures [member] |  |  |
Disclosure of joint operations [line items] |  |  |
Noncurrent assets | 66,887 | 63,145 | 47,322
Current assets | 2,417 | 2,602 | 944
Total assets | 69,304 | 65,747 | 48,266
Noncurrent liabilities | 5,876 | 5,946 | 4,593
Current liabilities | 5,524 | 6,293 | 6,391
Total liabilities | 11,400 | 12,239 | 10,984
Production Cost | 24,471 | 21,624 | 12,959
Exploration expenses | $ 767 | $ 849 | $ 395

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- Definition The amount of expense arising from the search for mineral resources, including minerals, oil, natural gas and similar non-regenerative resources after the entity has obtained legal rights to explore in a specific area, as well as the determination of the technical feasibility and commercial viability of extracting the mineral resource. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 6 -IssueDate 2017-01-01 -Paragraph 24 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=6&date=2017-03-01&anchor=para_24_b&doctype=Standard -URIDate 2017-03-09 + Details
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