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Depreciation, Amortization and Impairment (Details) - Schedule of impairment loss - CLP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Impairment loss      
Impairment loss on property and equipment (Note No.15(b)) $ 1,031 $ 2,018 $ 334
Impairment loss on intangibles assets (Note No.14(b)) 629 350
Impairment of rights over leased assets (Note No. 15(d)) 1 187
Total $ 1,661 $ 2,555 $ 334