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Investments accounted for using equity method (Details 4) - CLP ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Disclosure Of Investments Accounted For Using Equity Method [Line Items]    
Current assets $ 941,007,259 $ 729,106,553
Non-current assets 1,464,857,657 1,247,122,534
Current liabilities 645,724,245 468,749,455
Non-current liabilities 371,024,728 280,651,024
Associated    
Disclosure Of Investments Accounted For Using Equity Method [Line Items]    
Current assets   5,540,894
Non-current assets   26,609,731
Current liabilities   4,444,262
Non-current liabilities   9,037,112
Joint ventures [member]    
Disclosure Of Investments Accounted For Using Equity Method [Line Items]    
Current assets 206,761,242 49,960,930
Non-current assets 246,997,507 150,837,264
Current liabilities 172,143,127 35,339,239
Non-current liabilities $ 2,893,856 $ 1,994,220