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CONTINGENCIES AND COMMITMENTS (Details 1) - Held Securities [Member] - CLP ($)
$ in Millions
Dec. 31, 2018
Dec. 31, 2017
Third party operations    
Collections $ 99,784 $ 175,200
Assets from third parties managed by the Bank and its affiliates 1,630,431 1,660,804
Subtotal 1,730,215 1,836,004
Custody of securities    
Securities held in custody 11,160,488 383,002
Securities held in custody deposited in other entity 861,405 760,083
Issued securities held in custody 12,335,871 22,046,701
Subtotal 24,357,764 23,189,786
Total $ 26,087,979 $ 25,025,790