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Loans - Schedule of Loans (Detail) - ARS ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Disclosure of detailed information about borrowings [line items] |  |  |
Loans Noncurrent | $ 270,252 | $ 151,727 | $ 127,568
Loans current | 64,826 | 39,336 | 26,777
Argentine pesos [Member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Loans Noncurrent | 26,158 | 30,368 | 31,610
Loans current | 7,788 | 8,557 | 9,896
Currencies other than Argentino pesos [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Loans Noncurrent | 244,094 | 121,359 | 95,958
Loans current | $ 57,038 | 30,779 | 16,881
Export Pre financing [member] | Currencies other than Argentino pesos [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Maturity Year | 2019 |  |
Loans Noncurrent | $ 0 | 383 | 1,908
Loans current | $ 20,724 | 6,521 | 6,491
Export Pre financing [member] | Currencies other than Argentino pesos [member] | Bottom of range [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 2.00% |  |
Export Pre financing [member] | Currencies other than Argentino pesos [member] | Top of range [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 6.75% |  |
Negotiable obligations [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Loans Noncurrent | $ 245,628 | 144,326 | 115,310
Loans current | 24,416 | 20,828 | 8,760
Negotiable obligations [member] | Argentine pesos [Member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Loans Noncurrent | 26,118 | 29,640 | 29,194
Loans current | $ 6,999 | 5,753 | 4,400
Negotiable obligations [member] | Argentine pesos [Member] | Bottom of range [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 16.50% |  |
Maturity Year | 2019 |  |
Negotiable obligations [member] | Argentine pesos [Member] | Top of range [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 57.81% |  |
Maturity Year | 2024 |  |
Negotiable obligations [member] | Currencies other than Argentino pesos [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Loans Noncurrent | $ 219,510 | 114,686 | 86,116
Loans current | $ 17,417 | 15,075 | 4,360
Negotiable obligations [member] | Currencies other than Argentino pesos [member] | Bottom of range [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 3.50% |  |
Maturity Year | 2019 |  |
Negotiable obligations [member] | Currencies other than Argentino pesos [member] | Top of range [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 10.00% |  |
Maturity Year | 2047 |  |
Loans [member] | Argentine pesos [Member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Loans Noncurrent | $ 40 | 728 | 2,416
Loans current | $ 789 | 2,794 | 1,459
Loans [member] | Argentine pesos [Member] | Bottom of range [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 37.88% |  |
Maturity Year | 2019 |  |
Loans [member] | Argentine pesos [Member] | Top of range [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 54.28% |  |
Maturity Year | 2020 |  |
Loans [member] | Currencies other than Argentino pesos [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Loans Noncurrent | $ 23,616 | 6,290 | 7,934
Loans current | $ 5,721 | 4,588 | 3,591
Loans [member] | Currencies other than Argentino pesos [member] | Bottom of range [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 4.20% |  |
Maturity Year | 2019 |  |
Loans [member] | Currencies other than Argentino pesos [member] | Top of range [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 6.70% |  |
Maturity Year | 2024 |  |
Account Overdraft [member] | Argentine pesos [Member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Maturity Year | 0 |  |
Loans Noncurrent | $ 0 | 0 | 0
Loans current | 0 | 10 | 4,037
Imports Financing [member] | Currencies other than Argentino pesos [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Loans Noncurrent | 968 | 0 | 0
Loans current | $ 13,176 | $ 4,595 | $ 2,439
Imports Financing [member] | Currencies other than Argentino pesos [member] | Bottom of range [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 3.79% |  |
Maturity Year | 2019 |  |
Imports Financing [member] | Currencies other than Argentino pesos [member] | Top of range [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 6.56% |  |
Maturity Year | 2020 |  |

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