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Financial Assets at Fair Value through Other Comprehensive Income (Details) - Schedule of breakdown of the balance under the heading Equity instruments at fair value through OCI - Equity Instruments Valued At Fair Value [Member] - CLP ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Financial Assets at Fair Value through Other Comprehensive Income (Details) - Schedule of breakdown of the balance under the heading Equity instruments at fair value through OCI [Line Items]    
Total $ 7,630 $ 8,497
Other Instruments Issued In Chile [Member]    
Financial Assets at Fair Value through Other Comprehensive Income (Details) - Schedule of breakdown of the balance under the heading Equity instruments at fair value through OCI [Line Items]    
Total 6,869 7,446
Instruments Issued By Foreign Institutions [Member]    
Financial Assets at Fair Value through Other Comprehensive Income (Details) - Schedule of breakdown of the balance under the heading Equity instruments at fair value through OCI [Line Items]    
Total $ 761 $ 1,051