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OTHER PROVISIONS, CURRENT AND NON-CURRENT - Movements (Details) - CLP ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Movements    
Balance at the beginning of the year $ 65,624,166 $ 73,081,893
Additional provisions 46,657 2,493,968
Increase (decrease) in existing provisions (4,998,530) (19,083,499)
Payments 6,139,963 22,985,793
Reverse unused provision (2,157,152) (6,769,384)
Increase (decrease) due to foreign exchange differences (2,202,578) (7,084,605)
Balance at the end of the year $ 62,452,526 $ 65,624,166