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Pension Plans (Details) - Schedule of Cash Flow for Post-Employment Benefits - CLP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
a) Fair value of plan assets        
Opening balance   $ 5,260 $ 6,819 $ 7,127
Expected yield of insurance contracts $ 574 539 211  
Employer contributions 1,308 1,269 337  
Actuarial (gain) losses 0 0 0  
Premiums paid 0 0 0  
Benefits paid (3,035) (3,367) (856)  
Fair value of plan assets at year end 4,107 5,260 6,819  
b) Present value of obligations        
Present value of obligations opening balance   (5,027) (6,277) $ (6,633)
Net incorporation of Group companies 0 0 0  
Service cost 1,889 1,250 356  
Interest cost 0 0 0  
Curtailment/settlement effect 0 0 0  
Benefits paid 0 0 0  
Past service cost 0 0 0  
Actuarial (gain) losses 0 0 0  
Other 0 0 0  
Present value of obligations at year end (3,138) (5,027) (6,277)  
Net balance at year end $ 969 $ 233 $ 542