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Assets and Liabilities in Currencies Other than the Argentine Peso - Summary of Assets and Liabilities in Currencies Other (Detail) € in Millions, ¥ in Millions, SFr in Millions, R$ in Millions, $ in Millions, $ in Millions, $ in Millions | 12 Months Ended |  |  |  |
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Dec. 31, 2017 ARS ($) | Dec. 31, 2016 ARS ($) | Dec. 31, 2015 ARS ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2017 JPY (¥) | Dec. 31, 2017 CHF (SFr) | Dec. 31, 2017 BRL (R$) | Dec. 31, 2017 CLP ($) | Dec. 31, 2017 EUR (€) | Dec. 31, 2016 USD ($) | Dec. 31, 2016 CHF (SFr) | Dec. 31, 2016 BRL (R$) | Dec. 31, 2016 CLP ($) | Dec. 31, 2016 EUR (€) | Dec. 31, 2015 USD ($) | Dec. 31, 2015 JPY (¥) | Dec. 31, 2015 BRL (R$) | Dec. 31, 2015 CLP ($) | Dec. 31, 2015 EUR (€) | Dec. 31, 2014 ARS ($)
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other non-current receivables | $ 1,335 | $ 3,909 | $ 2,501 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-current trade receivables | 2,210 | 87 | 469 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current trade receivables | 40,649 | 33,645 | 22,111 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other current receivables | 12,684 | 13,456 | 19,413 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents | 28,738 | 10,757 | 15,387 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 9,758
Non-current provisions | 54,734 | 47,358 | 39,623 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Longterm borrowings | 151,727 | 127,568 | 77,934 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other non-current liabilities | 277 | 336 | 340 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-current liabilities | 1,655 | 2,187 | 285 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current provisions | 2,442 | 1,994 | 2,009 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current tax liabilities, current | 191 | 176 | 1,487 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Salaries and social security | 4,132 | 3,094 | 2,452 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other current liabilities | 2,383 | 4,390 | 413 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total noncurrent assets | 383,420 | 333,913 | 286,480 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total current assets | 122,298 | 87,226 | 76,973 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total assets | 505,718 | 421,139 | 363,453 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total noncurrent liabilities | 250,451 | 220,012 | 163,201 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total current liabilities | 102,734 | 82,466 | 79,791 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total liabilities | 353,185 | 302,478 | 242,992 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total noncurrent assets | 74 | 10,454 | 628 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total current assets | 33,422 | 26,476 | 22,829 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total assets | 33,496 | 36,930 | 23,457 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total noncurrent liabilities | 175,956 | 140,911 | 94,085 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total current liabilities | 56,286 | 41,545 | 46,350 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total liabilities | 232,242 | 182,456 | 140,435 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | US Dollar To Argentine Peso Exchange Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other non-current receivables | 37 | 2,669 | 595 | $ 2 |  |  |  |  |  | $ 169 |  |  |  |  | $ 46 |  |  |  |  |
Non-current financial assets |  | 7,737 |  |  |  |  |  |  |  | 490 |  |  |  |  |  |  |  |  |  |
Current trade receivables | 7,049 | 6,269 | 3,973 | 380 |  |  |  |  |  | 397 |  |  |  |  | 307 |  |  |  |  |
Other current receivables | 3,061 | 5,511 | 5,267 | 165 |  |  |  |  |  | 349 |  |  |  |  | 407 |  |  |  |  |
Current financial assets | 12,936 | 7,548 |  | 697 |  |  |  |  |  | 478 |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents | 9,757 | 6,537 | 13,056 | 526 |  |  |  |  |  | 414 |  |  |  |  | 1,009 |  |  |  |  |
Non-current provisions | 54,253 | 42,506 | 36,173 | 2,909 |  |  |  |  |  | 2,675 |  |  |  |  | 2,774 |  |  |  |  |
Longterm borrowings | 115,628 | 91,222 | 57,417 | 6,200 |  |  |  |  |  | 5,741 |  |  |  |  | 4,403 |  |  |  |  |
Other non-current liabilities | 269 | 334 | 316 | 14 |  |  |  |  |  | 21 |  |  |  |  | 24 |  |  |  |  |
Non-current liabilities | 75 | 2,113 | 166 | 4 |  |  |  |  |  | 133 |  |  |  |  | 13 |  |  |  |  |
Current provisions | 1,063 | 715 | 1,043 | 57 |  |  |  |  |  | 45 |  |  |  |  | 80 |  |  |  |  |
Current portion of non-current borrowings | 30,725 | 16,754 | 20,121 | 1,647 |  |  |  |  |  | 1,054 |  |  |  |  | 1,543 |  |  |  |  |
Salaries and social security | 112 | 96 | 91 | 6 |  |  |  |  |  | 6 |  |  |  |  | 7 |  |  |  |  |
Other current liabilities | 2,331 | 4,371 | 412 | 125 |  |  |  |  |  | 275 |  |  |  |  | 32 |  |  |  |  |
Other current payables | $ 21,429 | $ 19,020 | $ 24,064 | $ 1,149 |  |  |  |  |  | $ 1,197 |  |  |  |  | $ 1,845 |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | US Dollar To Argentine Peso Exchange Rate [Member] | Non-current assets [member] | Other receivables [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate | 18.55 | 15.79 | 12.94 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | US Dollar To Argentine Peso Exchange Rate [Member] | Non-current assets [member] | Investments in financial assets [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate |  | 15.79 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | US Dollar To Argentine Peso Exchange Rate [Member] | Current Assets [Member] | Other receivables [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate | 18.55 | 15.79 | 12.94 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | US Dollar To Argentine Peso Exchange Rate [Member] | Current Assets [Member] | Trade receivables [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate | 18.55 | 15.79 | 12.94 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | US Dollar To Argentine Peso Exchange Rate [Member] | Current Assets [Member] | Investments in financial assets [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate | 18.55 | 15.79 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | US Dollar To Argentine Peso Exchange Rate [Member] | Current Assets [Member] | Cash and cash equivalents [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate | 18.55 | 15.79 | 12.94 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | US Dollar To Argentine Peso Exchange Rate [Member] | Provisions [Member] | Non-current Liabilities [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate | 18.65 | 15.89 | 13.04 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | US Dollar To Argentine Peso Exchange Rate [Member] | Provisions [Member] | Current Liabilities [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate | 18.65 | 15.89 | 13.04 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | US Dollar To Argentine Peso Exchange Rate [Member] | Loans [member] | Non-current Liabilities [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate | 18.65 | 15.89 | 13.04 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | US Dollar To Argentine Peso Exchange Rate [Member] | Loans [member] | Current Liabilities [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate | 18.65 | 15.89 | 13.04 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | US Dollar To Argentine Peso Exchange Rate [Member] | Other liabilities [member] | Non-current Liabilities [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate | 18.65 | 15.89 | 13.04 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | US Dollar To Argentine Peso Exchange Rate [Member] | Other liabilities [member] | Current Liabilities [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate | 18.65 | 15.89 | 13.04 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | US Dollar To Argentine Peso Exchange Rate [Member] | Accounts payable [member] | Non-current Liabilities [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate | 18.65 | 15.89 | 13.04 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | US Dollar To Argentine Peso Exchange Rate [Member] | Accounts payable [member] | Current Liabilities [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate | 18.65 | 15.89 | 13.04 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | US Dollar To Argentine Peso Exchange Rate [Member] | Salaries and social security [Member] | Current Liabilities [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate | 18.65 | 15.89 | 13.04 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | Brazilian Real To Argentine Peso Exchange Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other non-current receivables |  | $ 48 | $ 33 |  |  |  |  |  |  |  |  | R$ 10 |  |  |  |  | R$ 10 |  |  |
Non-current trade receivables | $ 37 |  |  |  |  |  | R$ 2 |  |  |  |  |  |  |  |  |  |  |  |  |
Current trade receivables |  | 111 | 50 |  |  |  |  |  |  |  |  | 23 |  |  |  |  | 15 |  |  |
Other current receivables |  | 19 | 23 |  |  |  |  |  |  |  |  | 4 |  |  |  |  | 7 |  |  |
Cash and cash equivalents |  | 10 | 13 |  |  |  |  |  |  |  |  | 2 |  |  |  |  | 4 |  |  |
Longterm borrowings |  | 63 | 13 |  |  |  |  |  |  |  |  | 13 |  |  |  |  | 4 |  |  |
Current tax liabilities, current |  | 24 | 20 |  |  |  |  |  |  |  |  | 5 |  |  |  |  | 6 |  |  |
Current portion of non-current borrowings |  | 82 | 117 |  |  |  |  |  |  |  |  | 17 |  |  |  |  | 35 |  |  |
Salaries and social security |  | 10 | 7 |  |  |  |  |  |  |  |  | 2 |  |  |  |  | 2 |  |  |
Other current payables |  | $ 44 | $ 47 |  |  |  |  |  |  |  |  | R$ 9 |  |  |  |  | R$ 14 |  |  |
Amount in currencies other than Argentine peso [Member] | Brazilian Real To Argentine Peso Exchange Rate [Member] | Non-current assets [member] | Other receivables [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate |  | 4.84 | 3.31 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | Brazilian Real To Argentine Peso Exchange Rate [Member] | Non-current assets [member] | Trade receivables [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate | 18.55 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | Brazilian Real To Argentine Peso Exchange Rate [Member] | Current Assets [Member] | Other receivables [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate |  | 4.84 | 3.31 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | Brazilian Real To Argentine Peso Exchange Rate [Member] | Current Assets [Member] | Trade receivables [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate |  | 4.84 | 3.31 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | Brazilian Real To Argentine Peso Exchange Rate [Member] | Current Assets [Member] | Cash and cash equivalents [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate |  | 4.84 | 3.31 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | Brazilian Real To Argentine Peso Exchange Rate [Member] | Loans [member] | Non-current Liabilities [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate |  | 4.88 | 3.35 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | Brazilian Real To Argentine Peso Exchange Rate [Member] | Loans [member] | Current Liabilities [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate |  | 4.88 | 3.35 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | Brazilian Real To Argentine Peso Exchange Rate [Member] | Accounts payable [member] | Current Liabilities [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate |  | 4.88 | 3.35 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | Brazilian Real To Argentine Peso Exchange Rate [Member] | Tax payable [Member] | Current Liabilities [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate |  | 4.88 | 3.31 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | Brazilian Real To Argentine Peso Exchange Rate [Member] | Salaries and social security [Member] | Current Liabilities [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate |  | 4.88 | 3.35 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | Chilean Peso To Argentine Peso Exchange Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current trade receivables | $ 295 | $ 211 | $ 339 |  |  |  |  | $ 9,836 |  |  |  |  | $ 10,542 |  |  |  |  | $ 16,971 |  |
Other current receivables | 129 |  | 1 |  |  |  |  | 4,303 |  |  |  |  |  |  |  |  |  | 27 |  |
Cash and cash equivalents | 27 | 5 | 10 |  |  |  |  | 898 |  |  |  |  | 240 |  |  |  |  | 502 |  |
Current tax liabilities, current | 46 | 21 | 22 |  |  |  |  | 1,524 |  |  |  |  | 1,055 |  |  |  |  | 1,077 |  |
Salaries and social security | 7 | 10 | 8 |  |  |  |  | 247 |  |  |  |  | 501 |  |  |  |  | 423 |  |
Other current payables | $ 55 | $ 98 | $ 26 |  |  |  |  | $ 1,826 |  |  |  |  | $ 4,915 |  |  |  |  | $ 1,283 |  |
Amount in currencies other than Argentine peso [Member] | Chilean Peso To Argentine Peso Exchange Rate [Member] | Current Assets [Member] | Other receivables [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate | 0.03 |  | 0.02 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | Chilean Peso To Argentine Peso Exchange Rate [Member] | Current Assets [Member] | Trade receivables [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate | 0.03 | 0.02 | 0.02 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | Chilean Peso To Argentine Peso Exchange Rate [Member] | Current Assets [Member] | Cash and cash equivalents [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate | 0.03 | 0.02 | 0.02 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | Chilean Peso To Argentine Peso Exchange Rate [Member] | Accounts payable [member] | Current Liabilities [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate | 0.03 | 0.02 | 0.02 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | Chilean Peso To Argentine Peso Exchange Rate [Member] | Tax payable [Member] | Current Liabilities [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate | 0.03 | 0.02 | 0.02 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | Chilean Peso To Argentine Peso Exchange Rate [Member] | Salaries and social security [Member] | Current Liabilities [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate | 0.03 | 0.02 | 0.02 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | Euro To Argentine Peso Exchange Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other current receivables | $ 111 | $ 249 | $ 84 |  |  |  |  |  | € 5 |  |  |  |  | € 15 |  |  |  |  | € 6 |
Other current payables | $ 404 | $ 252 | $ 369 |  |  |  |  |  | € 18 |  |  |  |  | € 15 |  |  |  |  | € 26 |
Amount in currencies other than Argentine peso [Member] | Euro To Argentine Peso Exchange Rate [Member] | Current Assets [Member] | Other receivables [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate | 22.28 | 16.63 | 14.07 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | Euro To Argentine Peso Exchange Rate [Member] | Accounts payable [member] | Current Liabilities [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate | 22.45 | 16.77 | 14.21 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | Japanese Yen To Argentine Peso Exchange Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other current receivables |  |  | $ 13 |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 119 |  |  |  |
Other current payables | $ 3 |  | $ 3 |  | ¥ 19 |  |  |  |  |  |  |  |  |  |  | ¥ 29 |  |  |  |
Amount in currencies other than Argentine peso [Member] | Japanese Yen To Argentine Peso Exchange Rate [Member] | Current Assets [Member] | Other receivables [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate |  |  | 0.11 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | Japanese Yen To Argentine Peso Exchange Rate [Member] | Accounts payable [member] | Current Liabilities [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate | 0.17 |  | 0.11 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | Swiss Franc To Argentine Peso Exchange Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other current receivables | $ 57 |  |  |  |  | SFr 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ 6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Longterm borrowings | 5,731 | 4,673 |  |  |  | 300 |  |  |  |  | SFr 300 |  |  |  |  |  |  |  |  |
Current portion of non-current borrowings | 54 | 45 |  |  |  | 3 |  |  |  |  | SFr 3 |  |  |  |  |  |  |  |  |
Other current payables | $ 57 | $ 3 |  |  |  | SFr 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | Swiss Franc To Argentine Peso Exchange Rate [Member] | Current Assets [Member] | Other receivables [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate | 19.04 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | Swiss Franc To Argentine Peso Exchange Rate [Member] | Current Assets [Member] | Cash and cash equivalents [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate |  | 15.52 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | Swiss Franc To Argentine Peso Exchange Rate [Member] | Loans [member] | Non-current Liabilities [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate | 19.13 | 15.57 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | Swiss Franc To Argentine Peso Exchange Rate [Member] | Loans [member] | Current Liabilities [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate | 19.13 | 15.57 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount in currencies other than Argentine peso [Member] | Swiss Franc To Argentine Peso Exchange Rate [Member] | Accounts payable [member] | Current Liabilities [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of effect of changes in foreign exchange rates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average foreign exchange rate | 19.13 | 15.57 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition The amount of resources: (a) controlled by the entity as a result of past events; and (b) from which future economic benefits are expected to flow to the entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2017-01-01 -Paragraph 28 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2017-03-01&anchor=para_28_c&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2017-01-01 -Paragraph 93 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=13&date=2017-03-01&anchor=para_93_a&doctype=Standard -URIDate 2017-03-09 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2017-01-01 -Paragraph 93 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=13&date=2017-03-01&anchor=para_93_b&doctype=Standard -URIDate 2017-03-09 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2017-01-01 -Paragraph 93 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=13&date=2017-03-01&anchor=para_93_e&doctype=Standard -URIDate 2017-03-09 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard -URIDate 2017-03-09 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2017-01-01 -Paragraph 23 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2017-03-01&anchor=para_23&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The average exchange rate used by the entity. Exchange rate is the ratio of exchange for two currencies. + 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 cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2017-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2017-03-01&anchor=para_45&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2017-01-01 -Paragraph B13 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2017-03-01&anchor=para_B13_a&doctype=Appendix&seq=2 -URIDate 2017-03-09 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 54 -Subparagraph i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_54_i&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of assets that the entity (a) expects to realise or intends to sell or consume in its normal operating cycle; (b) holds primarily for the purpose of trading; (c) expects to realise within twelve months after the reporting period; or (d) classifies as cash or cash equivalents (as defined in IAS 7) unless the asset is restricted from being exchanged or used to settle a liability for at least twelve months after the reporting period. [Refer: Assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2017-01-01 -Paragraph B12 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2017-03-01&anchor=para_B12_b_i&doctype=Appendix&seq=2 -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 66 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_66&doctype=Standard -URIDate 2017-03-09 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 12 -IssueDate 2017-01-01 -Paragraph B10 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2017-03-01&anchor=para_B10_b&doctype=Appendix&seq=2 -URIDate 2017-03-09 + Details
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- Definition The amount of current financial assets. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 25 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_25&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of liabilities that: (a) the entity expects to settle in its normal operating cycle; (b) the entity holds primarily for the purpose of trading; (c) are due to be settled within twelve months after the reporting period; or (d) the entity does not have an unconditional right to defer settlement for at least twelve months after the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2017-01-01 -Paragraph B12 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2017-03-01&anchor=para_B12_b_iii&doctype=Appendix&seq=2 -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 69 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_69&doctype=Standard -URIDate 2017-03-09 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 12 -IssueDate 2017-01-01 -Paragraph B10 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2017-03-01&anchor=para_B10_b&doctype=Appendix&seq=2 -URIDate 2017-03-09 + Details
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- Definition The current portion of non-current borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of current provisions. [Refer: Provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 54 -Subparagraph l -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_54_l&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The current amount of current tax liabilities. [Refer: Current tax liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 54 -Subparagraph n -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_54_n&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of current trade receivables. [Refer: Trade receivables] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 78 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_78_b&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 68 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_68&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of present obligations of the entity arising from past events, the settlement of which is expected to result in an outflow from the entity of resources embodying economic benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2017-01-01 -Paragraph 93 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=13&date=2017-03-01&anchor=para_93_a&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2017-01-01 -Paragraph 28 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2017-03-01&anchor=para_28_d&doctype=Standard -URIDate 2017-03-09 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2017-01-01 -Paragraph 93 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=13&date=2017-03-01&anchor=para_93_b&doctype=Standard -URIDate 2017-03-09 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2017-01-01 -Paragraph 93 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=13&date=2017-03-01&anchor=para_93_e&doctype=Standard -URIDate 2017-03-09 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2017-01-01 -Paragraph 23 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2017-03-01&anchor=para_23&doctype=Standard -URIDate 2017-03-09 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The non-current portion of non-current borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard -URIDate 2017-03-09 + Details
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