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Earnings per share - Additional Information (Detail)	Dec. 31, 2023 shares
Major ordinary share transactions [member]
Disclosure of non-adjusting events after reporting period [line items]
Rights outstanding	2,613,452

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

Name:	ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The number of warrants rights outstanding for exercise of the rights.

+ References

No definition available.

+ Details

Name:	ugp_ExerciseOfWarrantsRightsOutstanding
Namespace Prefix:	ugp_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=ifrs-full_MajorOrdinaryShareTransactionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: