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Current Accounts and Other Demand Deposits (Tables)
 12 Months Ended
Dec. 31, 2019
Current Accounts and Other Demand Deposits [abstract]  
Schedule of current accounts and other demand deposits

   2018   2019 
   MCh$   MCh$ 
Current accounts   7,725,465    8,951,527 
Other demand deposits   1,143,414    1,662,950 
Other deposits and accounts   715,609    711,656 
Total   9,584,488    11,326,133