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FINANCIAL INSTRUMENTS AND RISKS MANAGEMENT - Derivatives outstanding by type of contract (Details)
R$ in Thousands, $ in Thousands
Dec. 31, 2022
USD ($)
Dec. 31, 2022
BRL (R$)
Dec. 31, 2021
USD ($)
Dec. 31, 2021
BRL (R$)
Financial Instruments and Risks        
Fair value   R$ 26,954   R$ (6,452,388)
Operational Hedge        
Financial Instruments and Risks        
Fair value   1,754,670   (194,831)
Operational Hedge | NDF (R$ x US$)        
Financial Instruments and Risks        
Notional Amount | $ $ 248,100   $ 30,000  
Fair value   (2,474)   (7,043)
Operational Hedge | NDF (Euro x US$)        
Financial Instruments and Risks        
Notional Amount   544,702    
Fair value   161,055    
Operational Hedge | Interest rate hedge | ZCC        
Financial Instruments and Risks        
Notional Amount | $ 6,866,800   4,494,125  
Fair value   1,596,089   (187,788)
Operational Hedge | Interest rate hedge | NDF (R$ x US$)        
Financial Instruments and Risks        
Notional Amount | $ 248,100   30,000  
Fair value   (2,474)   (7,043)
Operational Hedge | Interest rate hedge | NDF (Euro x US$)        
Financial Instruments and Risks        
Notional Amount | $ 544,702      
Fair value   161,055    
Debt Hedges        
Financial Instruments and Risks        
Fair value   (1,768,134)   (6,285,722)
Debt Hedges | Interest rate hedge | Swap LIBOR to Fixed (US$)        
Financial Instruments and Risks        
Notional Amount | $ 3,200,179   3,600,000  
Fair value   1,052,546   (395,675)
Debt Hedges | Interest rate hedge | Swap IPCA to CDI (notional in Brazilian Reais)        
Financial Instruments and Risks        
Notional Amount   1,741,787   843,845
Fair value   278,945   249,653
Debt Hedges | Interest rate hedge | Swap IPCA to Fixed (US$)        
Financial Instruments and Risks        
Notional Amount | $ 121,003   121,003  
Fair value   (29,910)   (148,583)
Debt Hedges | Interest rate hedge | Swap CDI x Fixed (US$)        
Financial Instruments and Risks        
Notional Amount | $ 1,863,534   2,267,057  
Fair value   (2,566,110)   (5,230,612)
Debt Hedges | Interest rate hedge | Pre-fixed Swap to US$ (US$)        
Financial Instruments and Risks        
Notional Amount | $ 350,000   350,000  
Fair value   (503,605)   (760,505)
Commodity Hedge        
Financial Instruments and Risks        
Fair value   40,418   28,165
Commodity Hedge | Swap US-CPI (US$)        
Financial Instruments and Risks        
Notional Amount | $ 124,960   590,372  
Fair value   40,418   28,165
Commodity Hedge | Interest rate hedge | Swap US-CPI (US$)        
Financial Instruments and Risks        
Notional Amount | $ $ 124,960   $ 590,372  
Fair value   R$ 40,418   R$ 28,165