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Loans to Customers at amortized cost (Details) - Schedule of sale or transfer of loan portfolio - CLP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Loans to Customers at amortized cost (Details) - Schedule of sale or transfer of loan portfolio [Line Items]      
Carrying amount $ 24,023 $ 43,957 $ 12,420
Allowances released (15,477) (107)
Sale price 14,004 43,889 12,420
Effect on income (loss) gain [1] 5,458 39
Sale of Outstanding Loans [Member]      
Loans to Customers at amortized cost (Details) - Schedule of sale or transfer of loan portfolio [Line Items]      
Carrying amount 24,023 43,957 12,420
Allowances released (15,477) (107)
Sale price 13,992 43,889 12,420
Effect on income (loss) gain [1] 5,446 39
Sale of Write Off Loans [Member]      
Loans to Customers at amortized cost (Details) - Schedule of sale or transfer of loan portfolio [Line Items]      
Carrying amount
Allowances released
Sale price 12
Effect on income (loss) gain [1] $ 12
[1] See Note No. 31