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Identification and Activities of the Company and Subsidiaries (Details Textual)
 12 Months Ended
Dec. 31, 2020
shares
Dec. 31, 2019
shares
Identification and Activities of the Company and Subsidiaries [Line Items]    
Percentage of shareholder Outstanding shares interest in excess 5.00%  
Number of shareholders 1,358  
Inversiones TLC SPA [Member]    
Identification and Activities of the Company and Subsidiaries [Line Items]    
Percentage of voting equity held by entity or by its subsidiaries 23.77%  
Number of shares in entity held by entity or by its subsidiaries or associates 62,556,568  
Number of shares reserved for issue under options and contracts for sale of shares   62,556,568
Inversiones TLC SPA [Member] | Series A Stock [Member]    
Identification and Activities of the Company and Subsidiaries [Line Items]    
Percentage of voting equity held by entity or by its subsidiaries 25.86%  
Inversiones TLC SPA [Member] | Series B Stock [Member]    
Identification and Activities of the Company and Subsidiaries [Line Items]    
Percentage of voting equity held by entity or by its subsidiaries 25.86%  
Number of shares in entity held by entity or by its subsidiaries or associates 5,516,772  
Banco de Chile via State Street [Member] | Series A Stock [Member]    
Identification and Activities of the Company and Subsidiaries [Line Items]    
Number of shares in entity held by entity or by its subsidiaries or associates 57,235,201  
Banco de Chile via State Street [Member] | Series B Stock [Member]    
Identification and Activities of the Company and Subsidiaries [Line Items]    
Number of shares in entity held by entity or by its subsidiaries or associates 11,418,078