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Depreciation, Amortization, and Impairment (Details) - CLP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Depreciation and amortization      
Depreciation of property, plant, and equipment $ (52,855) $ (54,987) $ (55,623)
Amortization of Intangible assets (26,348) (24,293) (22,200)
Depreciation right of use assets (26,889)  
Total depreciation and amortization (106,092) (79,280) (77,823)
Impairment of property, plant, and equipment (1,013) (39) (354)
Impairment of right of use assets (1,713)    
Impairment of intangibles   (5,290)
Total impairment (2,726) (39) (5,644)
Total $ (108,818) $ (79,319) $ (83,467)