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Risks and Financial Instruments - Financial assets and liabilities exposed to floating interest rates (Detail) - BRL (R$)
R$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Disclosure of detailed information about financial instruments [line items]    
Net liability position R$ (2,917,726) R$ (5,950,168)
DI [member]    
Disclosure of detailed information about financial instruments [line items]    
Net liability position (2,917,726) (5,952,953)
DI [member] | Cash equivalents [member]    
Disclosure of detailed information about financial instruments [line items]    
Net liability position 5,204,766 1,943,164
DI [member] | Financial investments [member]    
Disclosure of detailed information about financial instruments [line items]    
Net liability position 406,683 1,607,608
DI [member] | Loans and debentures [member]    
Disclosure of detailed information about financial instruments [line items]    
Net liability position (2,460,698) (4,855,517)
DI [member] | Liability position foreign exchange hedging instruments [member]    
Disclosure of detailed information about financial instruments [line items]    
Net liability position (2,651,609) (2,283,625)
DI [member] | Liability position of fixed interest instruments + IPCA – DI [member]    
Disclosure of detailed information about financial instruments [line items]    
Net liability position (3,416,868) (2,364,583)
TJLP [member]    
Disclosure of detailed information about financial instruments [line items]    
Net liability position 0 (326)
TJLP [member] | Loans [member]    
Disclosure of detailed information about financial instruments [line items]    
Net liability position 0 (326)
LIBOR [member]    
Disclosure of detailed information about financial instruments [line items]    
Net liability position 0 3,111
LIBOR [member] | Asset position of foreign exchange hedging instruments [member]    
Disclosure of detailed information about financial instruments [line items]    
Net liability position 0 279,047
LIBOR [member] | Loans [member]    
Disclosure of detailed information about financial instruments [line items]    
Net liability position R$ 0 R$ (275,936)