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PROVISIONS AND CONTINGENT PROVISIONS (Details) - CLP ($)
$ in Millions
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Provisions [abstract]      
Provisions for personnel salaries and expenses $ 93,379 $ 97,576  
Provisions for mandatory dividends 178,600 168,840  
Provisions for contingent loan risk [1] 23,709 10,079  
Other 620 27,303  
Total $ 305,271 $ 303,798 $ 292,210
[1] Under IFRS 9 disclosure requeriments.