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SEGMENTAL INFORMATION (Tables) | 12 Months Ended
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Dec. 31, 2021
Disclosure of operating segments [text block] [Abstract] |
Schedule of revenues by geographic area |
|  | For the year ended |
|  | At December 31, |
|  | 2021 |  | 2020 |  | 2019 |
|  | ThUS$ |  | ThUS$ |  | ThUS$ |
Peru |  |  | 503,616 |  |  | 297,549 |  |  | 801,965 |
Argentina |  |  | 75,513 |  |  | 172,229 |  |  | 584,959 |
U.S.A. |  |  | 577,970 |  |  | 505,145 |  |  | 1,004,238 |
Europe |  |  | 376,857 |  |  | 338,565 |  |  | 726,165 |
Colombia |  |  | 368,474 |  |  | 177,007 |  |  | 380,449 |
Brazil |  |  | 1,664,523 |  |  | 1,304,006 |  |  | 3,949,797 |
Ecuador |  |  | 162,959 |  |  | 112,581 |  |  | 203,334 |
Chile |  |  | 794,122 |  |  | 638,225 |  |  | 1,546,960 |
Asia Pacific and rest of Latin America |  |  | 359,981 |  |  | 378,360 |  |  | 872,196 |
Income from ordinary activities |  |  | 4,884,015 |  |  | 3,923,667 |  |  | 10,070,063 |
Other operating income |  |  | 227,331 |  |  | 411,002 |  |  | 360,864 |

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