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Debt Issued (Details) - Schedule of debt securities issued
$ in Millions
 12 Months Ended
Dec. 31, 2019
CLP ($)
Debt Issued (Details) - Schedule of debt securities issued [Line Items]  
Amount $ 215,357
UCHI-J1111 [Member]  
Debt Issued (Details) - Schedule of debt securities issued [Line Items]  
Currency UF
Amount $ 61,471
Terms Years 23 years
Annual issue rate % 1.05%
Issue date 20/08/2019
Maturity date 20/08/2042
UCHI-J1111 [Member]  
Debt Issued (Details) - Schedule of debt securities issued [Line Items]  
Currency UF
Amount $ 65,973
Terms Years 23 years
Annual issue rate % 1.04%
Issue date 20/08/2019
Maturity date 20/08/2042
UCHI-J1111 [Member]  
Debt Issued (Details) - Schedule of debt securities issued [Line Items]  
Currency UF
Amount $ 48,799
Terms Years 23 years
Annual issue rate % 0.99%
Issue date 21/08/2019
Maturity date 21/08/2042
UCHI-I1111 [Member]  
Debt Issued (Details) - Schedule of debt securities issued [Line Items]  
Currency UF
Amount $ 39,114
Terms Years 21 years
Annual issue rate % 0.96%
Issue date 24/09/2019
Maturity date 24/09/2040