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Note 24 - Derivative Financial Instruments (Tables) | 12 Months Ended
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Dec. 31, 2019
Statement Line Items [Line Items] |
Disclosure of detailed information about derivative financial instruments [text block] |
|  | Year ended December 31,
|  | 2019 |  | 2018
Derivatives hedging borrowings and investments |  |  | 19,000 |  |  |  | 5,604 |
Other Derivatives |  |  | 929 |  |  |  | 3,621 |
Contracts with positive fair values (*) |  |  | 19,929 |  |  |  | 9,225 |
Derivatives hedging borrowings and investments |  |  | - |  |  |  | (11,667 | )
Other Derivatives |  |  | (1,814 | ) |  |  | (311 | )
Contracts with negative fair values |  |  | (1,814 | ) |  |  | (11,978 | )
Total |  |  | 18,115 |  |  |  | (2,753 | )
Disclosure of detailed information about hedged items [text block] |
|  |  |  |  |  | Fair Value |  | Hedge Accounting Reserve
Purchase currency |  | Sell currency |  | Term |  | 2019 |  | 2018 |  | 2019 |  | 2018
MXN |  | USD |  |  | 2020 |  |  |  | 18,999 |  |  |  | 888 |  |  |  | 404 |  |  |  | (411 | )
USD |  | MXN |  |  | 2020 |  |  |  | (576 | ) |  |  | - |  |  |  | - |  |  |  | - |
ARS |  | USD |  |  | 2020 |  |  |  | - |  |  |  | (6,542 | ) |  |  | - |  |  |  | (895 | )
EUR |  | USD |  |  | 2020 |  |  |  | 588 |  |  |  | 203 |  |  |  | - |  |  |  | - |
USD |  | JPY |  |  | 2030 |  |  |  | - |  |  |  | - |  |  |  | 2,149 |  |  |  | - |
USD |  | BRL |  |  | 2020 |  |  |  | (234 | ) |  |  | (131 | ) |  |  | - |  |  |  | - |
JPY |  | USD |  |  | 2020 |  |  |  | (190 | ) |  |  | 271 |  |  |  | - |  |  |  | - |
USD |  | KWD |  |  | 2020 |  |  |  | 103 |  |  |  | 522 |  |  |  | 38 |  |  |  | 390 |
USD |  | CAD |  |  | 2020 |  |  |  | (200 | ) |  |  | 2,089 |  |  |  | - |  |  |  | - |
USD |  | COP |  |  | 2020 |  |  |  | (345 | ) |  |  | (23 | ) |  |  | - |  |  |  | - |
Others |  |  |  |  | 2020 |  |  |  | (30 | ) |  |  | (30 | ) |  |  | - |  |  |  | - |
Total |  |  |  |  |  |  |  |  | 18,115 |  |  |  | (2,753 | ) |  |  | 2,591 |  |  |  | (916 | )
Disclosure of detailed information of the hedge reserve evolution [text block] |
|  | Equity Reserve Dec-17 |  | Movements 2018 |  | Equity Reserve Dec-18 |  | Movements 2019 |  | Equity Reserve Dec-19
Foreign Exchange |  |  | (240 | ) |  |  | (676 | ) |  |  | (916 | ) |  |  | 3,507 |  |  |  | 2,591 |
Total Cash flow Hedge |  |  | (240 | ) |  |  | (676 | ) |  |  | (916 | ) |  |  | 3,507 |  |  |  | 2,591 |

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