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Risk Management (Details) - Schedule of loans include deductible amount that available from annual sales level of each institution - CLF ( )
in Millions
 6 Months Ended 12 Months Ended
Dec. 31, 2020
Jun. 30, 2020
Dec. 31, 2020
Micro and small companies [Member]      
Risk Management (Details) - Schedule of loans include deductible amount that available from annual sales level of each institution [Line Items]      
Percentage of Coverage     85.00%
Percentage of Deductible until June 2020   5.00%  
Percentage of Deductible after June 2020 2.50%    
Micro and small companies [Member] | Minimum [Member]      
Risk Management (Details) - Schedule of loans include deductible amount that available from annual sales level of each institution [Line Items]      
Annual Income (in Unidad de Fomento)    
Micro and small companies [Member] | Maximum [Member]      
Risk Management (Details) - Schedule of loans include deductible amount that available from annual sales level of each institution [Line Items]      
Annual Income (in Unidad de Fomento)     25,000
Medium-sized companies [Member]      
Risk Management (Details) - Schedule of loans include deductible amount that available from annual sales level of each institution [Line Items]      
Percentage of Coverage     80.00%
Percentage of Deductible until June 2020   3.50%  
Percentage of Deductible after June 2020 2.50%    
Medium-sized companies [Member] | Minimum [Member]      
Risk Management (Details) - Schedule of loans include deductible amount that available from annual sales level of each institution [Line Items]      
Annual Income (in Unidad de Fomento)     25,000
Medium-sized companies [Member] | Maximum [Member]      
Risk Management (Details) - Schedule of loans include deductible amount that available from annual sales level of each institution [Line Items]      
Annual Income (in Unidad de Fomento)     100,000
Large companies I [Member]      
Risk Management (Details) - Schedule of loans include deductible amount that available from annual sales level of each institution [Line Items]      
Percentage of Coverage     70.00%
Percentage of Deductible until June 2020   2.50%  
Percentage of Deductible after June 2020 2.50%    
Large companies I [Member] | Minimum [Member]      
Risk Management (Details) - Schedule of loans include deductible amount that available from annual sales level of each institution [Line Items]      
Annual Income (in Unidad de Fomento)     100,000
Large companies I [Member] | Maximum [Member]      
Risk Management (Details) - Schedule of loans include deductible amount that available from annual sales level of each institution [Line Items]      
Annual Income (in Unidad de Fomento)     600,000
Large companies II [Member]      
Risk Management (Details) - Schedule of loans include deductible amount that available from annual sales level of each institution [Line Items]      
Percentage of Coverage     60.00%
Percentage of Deductible until June 2020   2.50%  
Percentage of Deductible after June 2020 2.50%    
Large companies II [Member] | Minimum [Member]      
Risk Management (Details) - Schedule of loans include deductible amount that available from annual sales level of each institution [Line Items]      
Annual Income (in Unidad de Fomento)     600,000
Large companies II [Member] | Maximum [Member]      
Risk Management (Details) - Schedule of loans include deductible amount that available from annual sales level of each institution [Line Items]      
Annual Income (in Unidad de Fomento)     1,000,000