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

X

- 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

X

- 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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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- 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

X

- 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

X

- Definition

The number of active participating employees to a defined contribution plan.

+ References

No definition available.

+ Details

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Namespace Prefix:	ugp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The number of former employees receiving benefits to a defined contribution plan.

+ References

No definition available.

+ Details

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Namespace Prefix:	ugp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The number of retired participating employees to a defined contribution plan.

+ References

No definition available.

+ Details

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Namespace Prefix:	ugp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Details

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Namespace Prefix:
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