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Financial Assets and Liabilities - Summary of Carrying in Loans, Borrowings and Debentures (Detail) - BRL (R$)
R$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure of detailed information about borrowings [line items]      
Borrowings R$ 45,659,037 R$ 42,249,460 R$ 29,052,215
Brazilian reais (R$) [member]      
Disclosure of detailed information about borrowings [line items]      
Borrowings 23,304,742 17,022,405  
U.S. dollar (U.S.$) [member]      
Disclosure of detailed information about borrowings [line items]      
Borrowings 21,806,154 24,551,500  
British pound (GBP) [member]      
Disclosure of detailed information about borrowings [line items]      
Borrowings 451,824 569,352  
Euro (EUR) [member]      
Disclosure of detailed information about borrowings [line items]      
Borrowings R$ 96,317 R$ 106,203