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INVENTORIES (Tables) | 12 Months Ended
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Dec. 31, 2019
Disclosure of inventories [text block] [Abstract] |
Schedule of composition of inventories [Text Block]] |
|  | As of |  |  | As of |
|  | December 31, |  |  | December 31, |
|  | 2019 |  |  | 2018 |
|  | ThUS$ |  |  | ThUS$ |
Technical stock |  |  | 315,286 |  |  |  | 233,276 |
Non-technical stock |  |  | 38,946 |  |  |  | 46,068 |
Total |  |  | 354,232 |  |  |  | 279,344 |
Schedule of inventory average cost, net of provision for obsolescence [Text Block]] |
|  | As of |  |  | As of |
|  | December 31, |  |  | December 31, |
|  | 2019 |  |  | 2018 |
|  | ThUS$ |  |  | ThUS$ |
Provision for obsolescence Technical stock |  |  | 21,193 |  |  |  | 20,500 |
Provision for obsolescenceNon-technical stock |  |  | 11,610 |  |  |  | 4,621 |
Total |  |  | 32,803 |  |  |  | 25,121 |

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