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Risks and Financial Instruments - Loss allowance for expected credit losses balances on trade receivables (Detail) - BRL (R$) R$ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Disclosure of detailed information about financial instruments [line items] |  |
Allowances for doubful accounts on trade receivable | R$ 468,850 | R$ 496,040
Ipiranga [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Allowances for doubful accounts on trade receivable | 350,375 | 373,514
Ultragaz [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Allowances for doubful accounts on trade receivable | 116,583 | 120,076
Ultracargo [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Allowances for doubful accounts on trade receivable | 1,301 | 2,450
Others [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Allowances for doubful accounts on trade receivable | R$ 591 | R$ 0

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- Definition The amount of allowances for doubful accounts on trade receivables and other receivables. + References No definition available. + Details
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