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Background of companies included in consolidation (Tables)
 12 Months Ended
Dec. 31, 2019
Disclosure of Background of companies included in consolidation [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, 2019
 
 
As of December

‎
31, 2018
 
 
 
ThUS$
 
 
ThUS$
 
Assets
 
 
4,069,649
 
 
 
3,737,892
 
Liabilities
 
 
(1,983,382
)
 
 
(1,652,401
)
  Equity
 
 
2,086,267
 
 
 
2,085,491