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Separate information on the main office, parent entity and joint action agreements (Tables) | 12 Months Ended
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Dec. 31, 2020
Separate Information On The Main Office Parent Entity And Joint Action Agreements [Abstract] |
Disclosure of Parent's stand-alone assets and liabilities [Text Block] |
| 6.1 | Parent’s stand-alone assets and liabilities
Parent’s stand-alone assets and liabilities |  | As of December 31, 2020 |  |  | As of December 31, 2019 |
|  | ThUS$ |  |  | ThUS$ |
Assets |  |  | 4,173,308 |  |  |  | 4,069,649 |
Liabilities |  |  | (2,050,223 | ) |  |  | (1,983,382 | )
Equity |  |  | 2,123,085 |  |  |  | 2,086,267 |

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