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Employee Benefits (Details 5) - Age
Dec. 31, 2018
Dec. 31, 2017
CHILE    
Disclosure Of Employee Benefits [Line Items]    
Actuarial assumption of discount rates 569.00% 596.00%
Acturial assumption of voluntary employee turnover rate 19 19
Acturial assumption of rotation rate 53 53
Actuarial assumption of expected rates of salary increases [1] 37.00% 37.00%
CHILE | Officers [Member]    
Disclosure Of Employee Benefits [Line Items]    
Actuarial assumption of retirement age 60 60
CHILE | Other employees Male [Member]    
Disclosure Of Employee Benefits [Line Items]    
Actuarial assumption of retirement age [1] 65 65
CHILE | Other employees Female [Member]    
Disclosure Of Employee Benefits [Line Items]    
Actuarial assumption of retirement age [1] 60 60
ARGENTINA    
Disclosure Of Employee Benefits [Line Items]    
Actuarial assumption of discount rates 3462.00% 2455.00%
Acturial assumption of voluntary employee turnover rate 50 50
Acturial assumption of rotation rate 50 50
Actuarial assumption of expected rates of salary increases [1] 2827.00% 1868.00%
ARGENTINA | Officers [Member]    
Disclosure Of Employee Benefits [Line Items]    
Actuarial assumption of retirement age 60 60
ARGENTINA | Other employees Male [Member]    
Disclosure Of Employee Benefits [Line Items]    
Actuarial assumption of retirement age [1] 65 65
ARGENTINA | Other employees Female [Member]    
Disclosure Of Employee Benefits [Line Items]    
Actuarial assumption of retirement age [1] 60 60
[1] Average of the Company.