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OTHER INCOME (Details) - CLP ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
OTHER INCOME      
Gain on disposal of Property, plant and equipment $ 312,470 $ 318,771 $ 233,255
PIS/CONFINS Leasing tax recovery   1,034,040  
Others 238,364 408,088 238,314
Total $ 550,834 $ 1,760,899 $ 471,569