XML 131 R103.htm IDEA: XBRL DOCUMENT v3.21.1

Related Parties - Additional Information (Detail) - BRL (R$) R$ in Thousands		12 Months Ended
	Apr. 19, 2017	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Disclosure of related party [line items]
Amortization recognized as general and administrative		R$ 2,360	R$ 10,321	R$ 3,922
total common shares approved as incentive ownership plan	11,128,102
Percentage of Common shares may deliver to participants to company's share capital	1.00%
General and administrative expense		R$ 12,664	R$ 12,893	R$ 6,001
Bottom of range [member]
Disclosure of related party [line items]
Period of transfter of ownership shares		3 years
Bottom of range [member] | Deferred stock plan [member]
Disclosure of related party [line items]
Period of transfter of ownership shares		5 years
Top of range [member]
Disclosure of related party [line items]
Period of transfter of ownership shares		6 years
Top of range [member] | Deferred stock plan [member]
Disclosure of related party [line items]
Period of transfter of ownership shares		7 years

X

- Definition

The amount of expense relating to general and administrative activities of the entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_GeneralAndAdministrativeExpense
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The number of shares reserved for issue under options and contracts for the sale of shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 79
-Subparagraph a
-Clause vii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_79_a_vii&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_SharesReservedForIssueUnderOptionsAndContractsForSaleOfShares
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Related parties amortization recognized as general and administrative.

+ References

No definition available.

+ Details

Name:	ugp_AmortizationRecognizedAsGeneralAndAdministrativeExpense
Namespace Prefix:	ugp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Line items represent concepts included in a table. Disclosure of related party.

+ References

No definition available.

+ Details

Name:	ugp_DisclosureOfRelatedPartyLineItems
Namespace Prefix:	ugp_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Participation Percentage Of Share Capital

+ References

No definition available.

+ Details

Name:	ugp_ParticipationPercentageOfShareCapital
Namespace Prefix:	ugp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Period of transfter of ownership shares.

+ References

No definition available.

+ Details

Name:	ugp_PeriodOfTransfterOfOwnershipShares
Namespace Prefix:	ugp_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=ugp_DeferredStockUnitPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: