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Financial Instruments - Summary of Hedge Derivative Instruments and Their Corresponding Hedged Instruments (Detail) - CLP ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Unsecured Bonds [Member] | Exchange rate hedge [Member] | SWAP    
Disclosure of detailed information about hedging instruments [line items]    
Fair value of hedged liabilities $ (1,215,353)  
Fair value of hedged assets   $ 12,131,181
Loans with Related Companies [Member] | Interest rate hedge [Member] | SWAP    
Disclosure of detailed information about hedging instruments [line items]    
Fair value of hedged liabilities (3,044,317)  
Fair value of hedged assets   1,075,171
Operational Income [Member] | Exchange rate hedge [Member] | FORWARD    
Disclosure of detailed information about hedging instruments [line items]    
Fair value of hedged liabilities (14,556,147) (26,145,093)
Other [Member]. | Interest rate hedge [Member] | FORWARD    
Disclosure of detailed information about hedging instruments [line items]    
Fair value of hedged assets   133,267
Property, plant & equipment investment [Member] | Exchange rate hedge [Member] | FORWARD    
Disclosure of detailed information about hedging instruments [line items]    
Fair value of hedged liabilities $ (278,000)  
Fair value of hedged assets   $ 347,318