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Financial Instruments (Details 4) - CLP ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
USD [Member] | Scotiabank Chile [Member]    
Disclosure of Financial Instruments [Line Items]    
Nature of risks covered Flow interest rate and exchange rate on bank bonds Flow interest rate and exchange rate on bank bonds
Financial assets and liabilities, at fair value $ 255,898 $ 55,526
Maturity 06-18-2021 06-18-2021
USD [Member] | Scotiabank Chile [Member] | Loan commitments [member]    
Disclosure of Financial Instruments [Line Items]    
Financial assets and liabilities, at fair value $ 8,564,481 $ 8,201,343
USD [Member] | Scotiabank Chile [Member] | Financial Rights [Member]    
Disclosure of Financial Instruments [Line Items]    
Financial assets and liabilities, at fair value $ 8,820,379 $ 8,256,869
UF [Member] | Banco de Chile [Member]    
Disclosure of Financial Instruments [Line Items]    
Nature of risks covered Flow interest rate on bank bonds Flow interest rate on bank bonds
Financial assets and liabilities, at fair value $ 3,766,678 $ 2,130,577
Maturity 09-15-2021 09-15-2021
UF [Member] | Banco de Chile [Member] | Loan commitments [member]    
Disclosure of Financial Instruments [Line Items]    
Financial assets and liabilities, at fair value $ 55,466,642 $ 58,257,462
UF [Member] | Banco de Chile [Member] | Financial Rights [Member]    
Disclosure of Financial Instruments [Line Items]    
Financial assets and liabilities, at fair value $ 59,233,320 $ 60,388,039