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Taxes to Recover - Summary of Recoverable Taxes (Detail) - BRL (R$)
R$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Summary of recoverable taxes [line items]    
Recoverable taxes R$ 2,108,025 R$ 2,519,658
Current 1,061,227 1,044,850
Non-current 1,046,798 1,474,808
ICMS [member]    
Summary of recoverable taxes [line items]    
Recoverable taxes 893,206 1,129,325
PIS and COFINS [member]    
Summary of recoverable taxes [line items]    
Recoverable taxes 1,177,513 1,297,029
Value-Added Tax (IVA) of foreign subsidiaries [member]    
Summary of recoverable taxes [line items]    
Recoverable taxes 179 35,600
Other Taxes Receivable [member]    
Summary of recoverable taxes [line items]    
Recoverable taxes R$ 37,127 R$ 57,704