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Provisions (Details) - Schedule of credit quality and the maximum exposure to credit risk - Other commitments [Member] - CLP ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Provisions (Details) - Schedule of credit quality and the maximum exposure to credit risk [Line Items]    
Normal $ 107,707 $ 155,163
Substandard
Non—complying
Total 107,707 155,163
Stage 1 - Individual [Member]    
Provisions (Details) - Schedule of credit quality and the maximum exposure to credit risk [Line Items]    
Normal 107,707 155,163
Substandard
Non—complying
Total 107,707 155,163
Stage 1 - Group [Member]    
Provisions (Details) - Schedule of credit quality and the maximum exposure to credit risk [Line Items]    
Normal
Substandard
Non—complying
Total
Stage 2 - Individual [Member]    
Provisions (Details) - Schedule of credit quality and the maximum exposure to credit risk [Line Items]    
Normal
Substandard
Non—complying
Total
Stage 2 - Group [Member]    
Provisions (Details) - Schedule of credit quality and the maximum exposure to credit risk [Line Items]    
Normal
Substandard
Non—complying
Total
Stage 3 - Individual [Member]    
Provisions (Details) - Schedule of credit quality and the maximum exposure to credit risk [Line Items]    
Normal
Substandard
Non—complying
Total
Stage 3 - Group [Member]    
Provisions (Details) - Schedule of credit quality and the maximum exposure to credit risk [Line Items]    
Normal
Substandard
Non—complying
Total