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Employee Benefits (Details) - Schedule of changes in provisions for incentive plans - CLP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Schedule of changes in provisions for incentive plans [Abstract]    
Balances as of January 1, $ 51,051 $ 47,797
Provisions established 34,138 45,792
Provisions used (41,248) (42,538)
Provisions released
Balances as of December 31, $ 43,941 $ 51,051