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Investments Under Resale Agreements and Obligations Under Repurchase Agreements (Details) - Schedule of Payables by Selling financial instruments and Security Repurchase commitment
$ in Thousands, $ in Millions
Dec. 31, 2020
CLP ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
CLP ($)
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending $ 288,917 $ 405,839 $ 308,734
Instruments issued by the Chilean Governments and Central Bank of Chile [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending 230,846   16,368
Instruments issued by the Chilean Governments and Central Bank of Chile [Member] | Central Bank bonds [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending     7,301
Instruments issued by the Chilean Governments and Central Bank of Chile [Member] | Central Bank promissory notes [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending 183,083   9,067
Instruments issued by the Chilean Governments and Central Bank of Chile [Member] | Other instruments issued by the Chilean Government and Central Bank [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending 47,763  
Other Instruments Issued In Chile [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending 58,071   292,366
Other Instruments Issued In Chile [Member] | Deposit promissory notes from domestic banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Other Instruments Issued In Chile [Member] | Mortgage Bonds From Domestic Banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Other Instruments Issued In Chile [Member] | Bonds from domestic banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Other Instruments Issued In Chile [Member] | Deposits in domestic banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending 57,691   289,279
Other Instruments Issued In Chile [Member] | Bonds From Other Chilean Companies [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Other Instruments Issued In Chile [Member] | Other Instruments      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending 380   3,087
Instruments Issued By Foreign Institutions [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Instruments Issued By Foreign Institutions [Member] | Other Instruments      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Instruments Issued By Foreign Institutions [Member] | Instruments from foreign governments or Central Bank [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Up to 1 month [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending 288,874   298,711
Up to 1 month [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending 230,846   16,368
Up to 1 month [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member] | Central Bank bonds [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending     7,301
Up to 1 month [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member] | Central Bank promissory notes [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending 183,083   9,067
Up to 1 month [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member] | Other instruments issued by the Chilean Government and Central Bank [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending 47,763  
Up to 1 month [Member] | Other Instruments Issued In Chile [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending 58,028   282,343
Up to 1 month [Member] | Other Instruments Issued In Chile [Member] | Deposit promissory notes from domestic banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Up to 1 month [Member] | Other Instruments Issued In Chile [Member] | Mortgage Bonds From Domestic Banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Up to 1 month [Member] | Other Instruments Issued In Chile [Member] | Bonds from domestic banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Up to 1 month [Member] | Other Instruments Issued In Chile [Member] | Deposits in domestic banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending 57,648   280,696
Up to 1 month [Member] | Other Instruments Issued In Chile [Member] | Bonds From Other Chilean Companies [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Up to 1 month [Member] | Other Instruments Issued In Chile [Member] | Other Instruments      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending 380   1,647
Up to 1 month [Member] | Instruments Issued By Foreign Institutions [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Up to 1 month [Member] | Instruments Issued By Foreign Institutions [Member] | Other Instruments      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Up to 1 month [Member] | Instruments Issued By Foreign Institutions [Member] | Instruments from foreign governments or Central Bank [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 1 month and up to 3 months [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending 43   8,583
Over 1 month and up to 3 months [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 1 month and up to 3 months [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member] | Central Bank bonds [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 1 month and up to 3 months [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member] | Central Bank promissory notes [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 1 month and up to 3 months [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member] | Other instruments issued by the Chilean Government and Central Bank [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 1 month and up to 3 months [Member] | Other Instruments Issued In Chile [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending 43   8,583
Over 1 month and up to 3 months [Member] | Other Instruments Issued In Chile [Member] | Deposit promissory notes from domestic banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 1 month and up to 3 months [Member] | Other Instruments Issued In Chile [Member] | Mortgage Bonds From Domestic Banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 1 month and up to 3 months [Member] | Other Instruments Issued In Chile [Member] | Bonds from domestic banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 1 month and up to 3 months [Member] | Other Instruments Issued In Chile [Member] | Deposits in domestic banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending 43   8,583
Over 1 month and up to 3 months [Member] | Other Instruments Issued In Chile [Member] | Bonds From Other Chilean Companies [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 1 month and up to 3 months [Member] | Other Instruments Issued In Chile [Member] | Other Instruments      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 1 month and up to 3 months [Member] | Instruments Issued By Foreign Institutions [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 1 month and up to 3 months [Member] | Instruments Issued By Foreign Institutions [Member] | Other Instruments      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 1 month and up to 3 months [Member] | Instruments Issued By Foreign Institutions [Member] | Instruments from foreign governments or Central Bank [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 3 months and up to 12 months [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending     1,440
Over 3 months and up to 12 months [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 3 months and up to 12 months [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member] | Central Bank bonds [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 3 months and up to 12 months [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member] | Central Bank promissory notes [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 3 months and up to 12 months [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member] | Other instruments issued by the Chilean Government and Central Bank [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 3 months and up to 12 months [Member] | Other Instruments Issued In Chile [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending     1,440
Over 3 months and up to 12 months [Member] | Other Instruments Issued In Chile [Member] | Deposit promissory notes from domestic banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 3 months and up to 12 months [Member] | Other Instruments Issued In Chile [Member] | Mortgage Bonds From Domestic Banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 3 months and up to 12 months [Member] | Other Instruments Issued In Chile [Member] | Bonds from domestic banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 3 months and up to 12 months [Member] | Other Instruments Issued In Chile [Member] | Deposits in domestic banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 3 months and up to 12 months [Member] | Other Instruments Issued In Chile [Member] | Bonds From Other Chilean Companies [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 3 months and up to 12 months [Member] | Other Instruments Issued In Chile [Member] | Other Instruments      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending     1,440
Over 3 months and up to 12 months [Member] | Instruments Issued By Foreign Institutions [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 3 months and up to 12 months [Member] | Instruments Issued By Foreign Institutions [Member] | Other Instruments      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 3 months and up to 12 months [Member] | Instruments Issued By Foreign Institutions [Member] | Instruments from foreign governments or Central Bank [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 1 year and up to 3 years [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member] | Central Bank bonds [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member] | Central Bank promissory notes [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member] | Other instruments issued by the Chilean Government and Central Bank [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member] | Other Instruments Issued In Chile [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member] | Other Instruments Issued In Chile [Member] | Deposit promissory notes from domestic banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member] | Other Instruments Issued In Chile [Member] | Mortgage Bonds From Domestic Banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member] | Other Instruments Issued In Chile [Member] | Bonds from domestic banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member] | Other Instruments Issued In Chile [Member] | Deposits in domestic banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member] | Other Instruments Issued In Chile [Member] | Bonds From Other Chilean Companies [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member] | Other Instruments Issued In Chile [Member] | Other Instruments      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member] | Instruments Issued By Foreign Institutions [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member] | Instruments Issued By Foreign Institutions [Member] | Other Instruments      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member] | Instruments Issued By Foreign Institutions [Member] | Instruments from foreign governments or Central Bank [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member] | Central Bank bonds [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member] | Central Bank promissory notes [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member] | Other instruments issued by the Chilean Government and Central Bank [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member] | Other Instruments Issued In Chile [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member] | Other Instruments Issued In Chile [Member] | Deposit promissory notes from domestic banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member] | Other Instruments Issued In Chile [Member] | Mortgage Bonds From Domestic Banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member] | Other Instruments Issued In Chile [Member] | Bonds from domestic banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member] | Other Instruments Issued In Chile [Member] | Deposits in domestic banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member] | Other Instruments Issued In Chile [Member] | Bonds From Other Chilean Companies [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member] | Other Instruments Issued In Chile [Member] | Other Instruments      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member] | Instruments Issued By Foreign Institutions [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member] | Instruments Issued By Foreign Institutions [Member] | Other Instruments      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 1 year and up to 3 years [Member] | Instruments Issued By Foreign Institutions [Member] | Instruments from foreign governments or Central Bank [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending    
Over 3 years and up to 5 years [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 3 years and up to 5 years [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 3 years and up to 5 years [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member] | Central Bank bonds [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 3 years and up to 5 years [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member] | Central Bank promissory notes [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 3 years and up to 5 years [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member] | Other instruments issued by the Chilean Government and Central Bank [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 3 years and up to 5 years [Member] | Other Instruments Issued In Chile [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 3 years and up to 5 years [Member] | Other Instruments Issued In Chile [Member] | Deposit promissory notes from domestic banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 3 years and up to 5 years [Member] | Other Instruments Issued In Chile [Member] | Mortgage Bonds From Domestic Banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 3 years and up to 5 years [Member] | Other Instruments Issued In Chile [Member] | Bonds from domestic banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 3 years and up to 5 years [Member] | Other Instruments Issued In Chile [Member] | Deposits in domestic banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 3 years and up to 5 years [Member] | Other Instruments Issued In Chile [Member] | Bonds From Other Chilean Companies [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 3 years and up to 5 years [Member] | Other Instruments Issued In Chile [Member] | Other Instruments      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 3 years and up to 5 years [Member] | Instruments Issued By Foreign Institutions [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 3 years and up to 5 years [Member] | Instruments Issued By Foreign Institutions [Member] | Other Instruments      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 3 years and up to 5 years [Member] | Instruments Issued By Foreign Institutions [Member] | Instruments from foreign governments or Central Bank [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 5 years [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 5 years [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 5 years [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member] | Central Bank bonds [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 5 years [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member] | Central Bank promissory notes [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 5 years [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member] | Other instruments issued by the Chilean Government and Central Bank [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 5 years [Member] | Other Instruments Issued In Chile [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 5 years [Member] | Other Instruments Issued In Chile [Member] | Deposit promissory notes from domestic banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 5 years [Member] | Other Instruments Issued In Chile [Member] | Mortgage Bonds From Domestic Banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 5 years [Member] | Other Instruments Issued In Chile [Member] | Bonds from domestic banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 5 years [Member] | Other Instruments Issued In Chile [Member] | Deposits in domestic banks [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 5 years [Member] | Other Instruments Issued In Chile [Member] | Bonds From Other Chilean Companies [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 5 years [Member] | Other Instruments Issued In Chile [Member] | Other Instruments      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 5 years [Member] | Instruments Issued By Foreign Institutions [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 5 years [Member] | Instruments Issued By Foreign Institutions [Member] | Other Instruments      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending  
Over 5 years [Member] | Instruments Issued By Foreign Institutions [Member] | Instruments from foreign governments or Central Bank [Member]      
Instruments issued by the Chilean Governments and Central Bank of Chile      
Payables from repurchase agreements and security lending