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Property and Equipment and Leased Assets and Lease Liabilities (Details) - Schedule of rights over leased assets - CLP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Buildings [member]    
Categories    
Gross Balance $ 123,215 $ 130,853
Property and equipment, Accumulated Depreciation (33,560) (18,722)
Net Balance 89,655 112,131
Floor space for ATMs [member]    
Categories    
Gross Balance 40,445 41,960
Property and equipment, Accumulated Depreciation (16,496) (9,091)
Net Balance 23,949 32,869
Improvements to leased properties [member]    
Categories    
Gross Balance 26,579 27,254
Property and equipment, Accumulated Depreciation (21,354) (21,589)
Net Balance 5,225 5,665
Total [member]    
Categories    
Gross Balance 190,239 200,067
Property and equipment, Accumulated Depreciation (71,410) (49,402)
Net Balance $ 118,829 $ 150,665