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Contingencies and Commitments - Guarantees Granted - Banchile Corredores de Bolsa S.A (Details) - Contingent Liability For Guarantees - CLP ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Guarantees:    
Santiago Securities Exchange, Stock Exchange $ 85,302 $ 59,074
Electronic Chilean Securities Exchange, Stock Exchange 6,843 17,223
Fixed income securities to guarantee CCLV system, Santiago Securities Exchange, Stock Exchange 7,985 5,976
Shares delivered to guarantee equity lending, Electronic Chilean Securities Exchange, Stock Exchange 382
Total $ 100,512 $ 82,273