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FINANCIAL RISK MANAGEMENT - Interest Rate Risk (Details) - 12 months ended Dec. 31, 2022
CLF in Thousands, $ in Thousands, $ in Millions
CLP ($)
item
contract
USD ($)
item
contract
CLF
item
contract
Interest Rate Risk      
Number of contracts | contract 6 6 6
Number of local bonds | item 5 5 5
Interest rate risk      
Interest Rate Risk      
Notes payable, current $ 340,768    
Notes associated with interest payments 495,574,000    
Notes associated with interest payments, current 25,874,000    
Current nominal amount $ 1,104,136,000    
Interest rate risk | Fixed interest rate | National      
Interest Rate Risk      
Financial Liabilities | CLF     CLF 15,450
Interest rate risk | Fixed Rate Bond One [Member] | Fixed interest rate | Foreign      
Interest Rate Risk      
Percentage of foreign bonds re-denominated to domestic currencies 100.00%    
Current nominal amount   $ 365  
Interest rate risk | Fixed Rate Bond Two [Member] | Fixed interest rate | Foreign      
Interest Rate Risk      
Percentage of foreign bonds re-denominated to domestic currencies 100.00%    
Current nominal amount   $ 300