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Income and Social Contribution Taxes - Summary of deferred income and social contribution tax assets (Detail) - BRL (R$)
R$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Tax losses and negative basis for social contribution carryforwards R$ 396,601 R$ 283,238
Onshore [member]    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Tax losses and negative basis for social contribution carryforwards 396,601 283,238
Tax losses and negative basis for social contribution carryforwards not constituted 76,302 19,545
Oil Trading Importadora e Exportadora Ltda [member] | Onshore [member]    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Tax losses and negative basis for social contribution carryforwards 84,372 93,627
Ultrapar [member] | Onshore [member]    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Tax losses and negative basis for social contribution carryforwards [1] 77,453 65,505
Abastece Aí [member] | Onshore [member]    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Tax losses and negative basis for social contribution carryforwards 91,861 66,347
Ipiranga [member] | Onshore [member]    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Tax losses and negative basis for social contribution carryforwards 97,071 28,894
Ultracargo Vila do Conde [member] | Onshore [member]    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Tax losses and negative basis for social contribution carryforwards 30,652 22,313
Neogás [Member] | Onshore [member]    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Tax losses and negative basis for social contribution carryforwards not constituted 45,333 0
Integra Frotas [member] | Onshore [member]    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Tax losses and negative basis for social contribution carryforwards not constituted 13,335 12,394
Millennium [member] | Onshore [member]    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Tax losses and negative basis for social contribution carryforwards not constituted 8,539 6,154
Others [member] | Onshore [member]    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Tax losses and negative basis for social contribution carryforwards 15,192 6,552
Tax losses and negative basis for social contribution carryforwards not constituted R$ 9,095 R$ 997
[1] Include the amount of R$ 25,884 of deferred taxes recognized on the tax loss of subsidiary Ultrapar International as of December 31, 2023 (R$ 33,663 as of December 31, 2022).