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v3.21.1

Salaries and Related Charges - Summary of Salaries and Related Charges (Detail) - BRL (R$) R$ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Summary of salaries and related charges [line items] |  |
Salaries and related charges | R$ 468,630 | R$ 405,636
Provisions on payroll [member] |  |
Summary of salaries and related charges [line items] |  |
Salaries and related charges | 195,286 | 184,716
Profit sharing, bonus and premium [member] |  |
Summary of salaries and related charges [line items] |  |
Salaries and related charges | 184,306 | 133,533
Social charges [member] |  |
Summary of salaries and related charges [line items] |  |
Salaries and related charges | 73,267 | 70,228
Other charges [member] |  |
Summary of salaries and related charges [line items] |  |
Salaries and related charges | R$ 15,771 | R$ 17,159

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- Definition Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References No definition available. + Details
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Namespace Prefix: | ugp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Summary of salaries and related charge. + References No definition available. + Details
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Namespace Prefix: | ugp_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
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