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Separate information on the main office, parent entity and joint action agreements (Tables)
 12 Months Ended
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