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Taxes to Recover - Summary of Recoverable Income Tax and Social Contribution Taxes (Detail) - BRL (R$)
R$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Disclosure Of Recoverable Income Tax and Social Contribution Taxes [line items]    
Recoverable and social contribution taxes R$ 430,290 R$ 362,784
Current 325,343 257,182
Non-current 104,947 105,602
IRPJ and CSLL [member]    
Disclosure Of Recoverable Income Tax and Social Contribution Taxes [line items]    
Recoverable and social contribution taxes R$ 430,290 R$ 362,784