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Income and Social Contribution Taxes - Additional Information (Detail) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred income and social contribution taxes R$ 1,937,748 R$ 1,512,492
Threshold amount of gross revenue for calculation of alternative method of taxation for companies R$ 78,000  
Percentage of operating revenues for calculation of alternative method of taxation for companies 32.00%  
Threshold percentage of taxable income for indefinite expiration of tax loss carryforwards 30.00%  
Tax losses and negative basis for social contribution carryforwards R$ 396,601 283,238
Income and social contribution tax benefit related to monetary variation (SELIC) on repetition of tax undue payments 143,147 128,420
Deferred income and social contribution taxes 1,255,134 898,235
Ultrapar International S.A. [member]    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Tax losses and negative basis for social contribution carryforwards R$ 25,884 R$ 33,663