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Investment Properties (Tables)
 12 Months Ended
Dec. 31, 2019
Disclosure of detailed information about investment property [abstract]  
Schedule of investment properties

   2017   2018   2019 
   MCh$   MCh$   MCh$ 
Net Balance as of January 1,   14,674    14,306    13,938 
Additions resulting from business combinations   ―    ―    ― 
Reclassifications   ―    ―    (389)
Disposals   ―    ―    ― 
Depreciation charges in the period   (368)   (368)   (359)
Impairment   ―    ―    ― 
Net Balance as of December 31,   14,306    13,938    13,190