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Fixed Assets (Details) - Schedule of Changes in Value of Property, Plant, and Equipment - CLP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Reconciliation of changes in property, plant and equipment [abstract]    
Balances $ 776,282 $ 721,942
Additions 63,161 74,426
Disposals (24,295) (20,086)
Impairment due to damage (1,041) 0
Other (380) 0
Balances 813,727 776,282
Buildings    
Reconciliation of changes in property, plant and equipment [abstract]    
Balances 318,881 311,363
Additions 26,515 31,574
Disposals (8,967) (14,746)
Impairment due to damage (1,041) 0
Other (7,781) (9,310)
Balances 327,607 318,881
Land    
Reconciliation of changes in property, plant and equipment [abstract]    
Balances 14,631 15,021
Additions 0 0
Disposals (493) (390)
Impairment due to damage 0 0
Other (118) 0
Balances 14,020 14,631
Equipment    
Reconciliation of changes in property, plant and equipment [abstract]    
Balances 343,038 296,022
Additions 29,404 25,697
Disposals (10,446) (1,440)
Impairment due to damage 0 0
Other 9,132 22,759
Balances 371,128 343,038
Other    
Reconciliation of changes in property, plant and equipment [abstract]    
Balances 99,732 99,536
Additions 7,242 17,155
Disposals (4,389) (3,510)
Impairment due to damage 0 0
Other (1,613) (13,449)
Balances $ 100,972 $ 99,732