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Property and Equipment and Leased Assets and Lease Liabilities (Details) - Schedule of changes of obligations under capitalized leases - CLP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Schedule of changes of obligations under capitalized leases [Abstract]    
Beginning Balance $ 146,013 $ 144,497
Liabilities for new lease agreements 5,768 24,431
Interest expenses 2,532 2,574
Payments of capital and interests (28,705) (29,374)
Remeasurement (1,644)  
Derecognized contracts (12,337)  
Others 3,390 3,885
Ending balance $ 115,017 $ 146,013