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Provisions (Details) - Schedule of credit quality and the maximum exposure to credit risk - Performance guarantees [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 $ 2,188,201 $ 2,274,290
Substandard 21,833 5,806
Non—complying 4,336 3,294
Total 2,214,370 2,283,390
Stage 1 - Individual [Member]    
Provisions (Details) - Schedule of credit quality and the maximum exposure to credit risk [Line Items]    
Normal 1,573,058 1,804,374
Substandard
Non—complying
Total 1,573,058 1,804,374
Stage 1 - Group [Member]    
Provisions (Details) - Schedule of credit quality and the maximum exposure to credit risk [Line Items]    
Normal 46,523 44,325
Substandard
Non—complying
Total 46,523 44,325
Stage 2 - Individual [Member]    
Provisions (Details) - Schedule of credit quality and the maximum exposure to credit risk [Line Items]    
Normal 568,005 414,621
Substandard 21,833 5,806
Non—complying
Total 589,838 420,427
Stage 2 - Group [Member]    
Provisions (Details) - Schedule of credit quality and the maximum exposure to credit risk [Line Items]    
Normal 615 10,970
Substandard
Non—complying
Total 615 10,970
Stage 3 - Individual [Member]    
Provisions (Details) - Schedule of credit quality and the maximum exposure to credit risk [Line Items]    
Normal
Substandard
Non—complying 3,851 2,194
Total 3,851 2,194
Stage 3 - Group [Member]    
Provisions (Details) - Schedule of credit quality and the maximum exposure to credit risk [Line Items]    
Normal
Substandard
Non—complying 485 1,100
Total $ 485 $ 1,100