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v3.19.1

Borrowing costs (Tables) | 12 Months Ended
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Dec. 31, 2018
Borrowing costs [abstract] |
Disclosure of rates and costs for capitalized interest of property, plant and equipment [Text Block] | The rates and costs for capitalized interest of property, plant and equipment are detailed as follows:
|  | 12/31/2018 |  |  | 12/31/2017 |
Capitalization rate of costs for capitalized interest, property, plant and equipment |  |  | 4 | % |  |  | 4 | %
Amount of costs for interest capitalized in ThUS$ |  |  | 5,021 |  |  |  | 4,382 |

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