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OTHER INCOME (Details) - CLP ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
OTHER INCOME      
Gain on disposal of Property, plant and equipment $ 480,401 $ 16,005 $ 265,514
Recovery of PIS credit and COFINS (1)   6,744,341 40,281,550
Others 857,477 1,595,952 400,094
Total $ 1,337,878 $ 8,356,298 $ 40,947,158