XML 141 R115.htm IDEA: XBRL DOCUMENT
v3.25.1

Employee benefits and private pension plan - Additional information (Detail) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 BRL (R$) Employees | Dec. 31, 2023 BRL (R$) Employees | Dec. 31, 2022 BRL (R$)
Disclosure of defined benefit plans [line items] |  |  |
Defined contribution pension plan fund | R$ | R$ 4,454 | R$ 18,271 |
Contribution to Ultraprev | R$ | R$ 22,482 | R$ 22,482 | R$ 16,368
Number of active participating employees | 3,801 | 4,053 |
Number of retired participating employees | 297 | 298 |
Number of former employees receiving benefits | 21 |  |
Demographic assumption percentage of reasonably possible decrease in mortality table for other benefits | 10.00% |  |
Top of range [member] |  |  |
Disclosure of defined benefit plans [line items] |  |  |
Average period | 18 months |  |

X
- Definition The decrease (increase) in net defined benefit liability (asset) resulting from contributions to a defined benefit plan by the employer. [Refer: Net defined benefit liability (asset); Defined benefit plans [domain]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2024-01-01 -Paragraph 141 -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2024-en-r&anchor=para_141_f&doctype=Standard -URIDate 2024-03-27 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The weighted average duration of a defined benefit obligation. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2024-01-01 -Paragraph 147 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2024-en-r&anchor=para_147_c&doctype=Standard -URIDate 2024-03-27 + Details
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Balance Type: | na
Period Type: | duration

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- Definition The amount of defined contribution pension plan reversion fund. + 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 The demographic assumption percentage of reasonably possible decrease in mortality table for other benefits. + References No definition available. + Details
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Namespace Prefix: | ugp_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition The number of active participating employees to a defined contribution plan. + References No definition available. + Details
Name: | ugp_NumberOfActiveParticipatingEmployees
Namespace Prefix: | ugp_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition The number of former employees receiving benefits to a defined contribution plan. + References No definition available. + Details
Name: | ugp_NumberOfFormerEmployeesReceivingBenefits
Namespace Prefix: | ugp_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition The number of retired participating employees to a defined contribution plan. + References No definition available. + Details
Name: | ugp_NumberOfRetiredParticipatingEmployees
Namespace Prefix: | ugp_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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