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Income and Social Contribution Taxes - Additional Information (Detail) - BRL (R$)
R$ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Statutory tax rates in Brazil 34.00% 34.00% 34.00%
Deferred income and social contribution taxes R$ 1,613,371 R$ 1,937,748  
Income tax basis reduction for certain subsidiaries 75.00%    
Threshold percentage of taxable income for indefinite expiration of tax loss carryforwards 30.00%    
Income and social contribution tax benefit related to monetary variation (SELIC) on repetition of tax undue payments R$ 141,147 R$ 143,147  
IRPJ [member]      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Statutory tax rates in Brazil 25.00%    
CSLL [member]      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Statutory tax rates in Brazil 9.00%