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Fixed Assets and Right of Use Assets and Lease Liability (Details 10) - CLP ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Statement Line Items [Line Items]    
Total $ 4,174 $ 4,950
Due Within 1 Year [Member]    
Statement Line Items [Line Items]    
Total 603 469
Due After 1 Year But Within 2 Years [Member]    
Statement Line Items [Line Items]    
Total 598 882
Due After 2 Years But Within 3 years [Member]    
Statement Line Items [Line Items]    
Total 500 469
Due After 3 Years But Within 4 Years [Member]    
Statement Line Items [Line Items]    
Total 498 460
Due After 4 Years But Within 5 Years [Member]    
Statement Line Items [Line Items]    
Total 412 428
Due After 5 Years [Member]    
Statement Line Items [Line Items]    
Total $ 1,563 $ 2,242