ULTRAPAR HOLDINGS INC (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line	Label	Object Class	Period Type	Balance	Report ElementName
1	1001 - Document - Document and Entity Information	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DocumentandEntityInformation
2	Implied Table	Table	*	*	implied:Table
3	Document and entity information [abstract]	Abstract			ugp:DocumentAndEntityInformationAbstract
4	Document Type	Concept (Submission Type)	For Period		dei:DocumentType
5	Amendment Flag	Concept (Yes/No)	For Period		dei:AmendmentFlag
6	Document Period End Date	Concept (Date)	For Period		dei:DocumentPeriodEndDate
7	Document Fiscal Year Focus	Concept (Year)	For Period		dei:DocumentFiscalYearFocus
8	Document Fiscal Period Focus	Concept (Fiscal Period)	For Period		dei:DocumentFiscalPeriodFocus
9	Trading Symbol	Concept (Text/String)	For Period		dei:TradingSymbol
10	Entity Registrant Name	Concept (Text/String)	For Period		dei:EntityRegistrantName
11	Entity Central Index Key	Concept (CIK Number)	For Period		dei:EntityCentralIndexKey
12	Current Fiscal Year End Date	Concept (Month/Day)	For Period		dei:CurrentFiscalYearEndDate
13	Entity Well-known Seasoned Issuer	Concept (Yes/No)	For Period		dei:EntityWellKnownSeasonedIssuer
14	Entity Current Reporting Status	Concept (Yes/No)	For Period		dei:EntityCurrentReportingStatus
15	Entity Filer Category	Concept (Filer Category)	For Period		dei:EntityFilerCategory
16	Entity Shell Company	Concept (Yes/No)	For Period		dei:EntityShellCompany
17	Entity Emerging Growth Company	Concept (Yes/No)	For Period		dei:EntityEmergingGrowthCompany
18	Entity Common Stock, Shares Outstanding	Concept (Shares)	As Of		dei:EntityCommonStockSharesOutstanding
19	1003 - Statement - Statements of Financial Position	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/StatementOfFinancialPositionCurrentNonCurrent-210000
20	Implied Table	Table	*	*	implied:Table
21	Non Current Assets Finance Liabilities [abstract]	Abstract			ugp:NonCurrentAssetsFinanceLiabilitiesAbstract
22	Current assets	Abstract			ifrs-full:CurrentAssetsAbstract
23	Cash and cash equivalents	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
24	Financial investments and hedging instruments	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentInvestments
25	Trade receivables	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentTradeReceivables
26	Reseller financing	Concept (Monetary)	As Of	Debit	ugp:CurrentResellerFinancing
27	Inventories	Concept (Monetary)	As Of	Debit	ifrs-full:Inventories
28	Recoverable taxes	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentTaxAssetsCurrent
29	Recoverable income and social contribution taxes	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentTaxAssets
30	Dividends receivable	Concept (Monetary)	As Of	Debit	ugp:DividendsReceivableCurrent
31	Other receivables	Concept (Monetary)	As Of	Debit	ifrs-full:TradeAndOtherCurrentReceivables
32	Receivables - insurer's indemnification	Concept (Monetary)	As Of	Debit	ugp:ReceivablesFromInsurersIndemnification
33	Prepaid expenses	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentPrepaidExpenses
34	Contractual assets with customers - exclusive rights	Concept (Monetary)	As Of	Debit	ugp:CurrentContractualAssetsWithCustomersExclusiveRights
35	Current assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentAssets
36	Non-current assets	Abstract			ifrs-full:NoncurrentAssetsAbstract
37	Financial investments and hedging instruments	Concept (Monetary)	As Of	Debit	ifrs-full:OtherNoncurrentFinancialAssets
38	Trade receivables	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentTradeReceivables
39	Reseller financing	Concept (Monetary)	As Of	Debit	ugp:NonCurrentResellerFinancing
40	Related parties	Concept (Monetary)	As Of	Debit	ifrs-full:TradeAndOtherReceivablesDueFromRelatedParties
41	Deferred income and social contribution taxes	Concept (Monetary)	As Of	Debit	ifrs-full:DeferredTaxAssets
42	Recoverable taxes	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentReceivablesFromTaxesOtherThanIncomeTax
43	Recoverable income and social contribution taxes	Concept (Monetary)	As Of	Debit	ugp:NonCurrentRecoverableIncomeAndSocialContributionTaxes
44	Escrow deposits	Concept (Monetary)	As Of	Debit	ifrs-full:LongtermDeposits
45	Indemnification asset - business combination	Concept (Monetary)	As Of	Debit	ugp:IndemnificationAssetBusinessCombination
46	Other receivables	Concept (Monetary)	As Of	Debit	ifrs-full:OtherNoncurrentReceivables
47	Prepaid expenses	Concept (Monetary)	As Of	Debit	ugp:NoncurrentPrepaidExpenses
48	Contractual assets with customers - exclusive rights	Concept (Monetary)	As Of	Debit	ugp:NonCurrentContractualAssetsWithCustomersExclusiveRights
49	Total long term assets	Concept (Monetary)	As Of	Debit	ugp:LongTermAssets
50	Investments	Abstract			ugp:InvestmentAbstract
51	In joint-ventures	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentsInJointVentures
52	In associates	Concept (Monetary)	As Of	Debit	ugp:InvestmentsInSubsidiariesInAssociates
53	Other	Concept (Monetary)	As Of	Debit	ugp:InvestmentsInSubsidiariesOther
54	Total investments	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentsInSubsidiariesJointVenturesAndAssociates
55	Property, plant, and equipment, net	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
56	Intangible assets, net	Concept (Monetary)	As Of	Debit	ifrs-full:IntangibleAssetsOtherThanGoodwill
57	Noncurrent assets	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentAssets
58	Total assets	Concept (Monetary)	As Of	Debit	ifrs-full:Assets
59	Current liabilities	Abstract			ifrs-full:CurrentLiabilitiesAbstract
60	Loans and hedging instruments	Concept (Monetary)	As Of	Credit	ugp:LoansAndHedgingInstrumentsCurrent
61	Debentures	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentNotesAndDebenturesIssuedAndCurrentPortionOfNoncurrentNotesAndDebenturesIssued
62	Finance leases	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentFinanceLeaseLiabilities
63	Trade payables	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherCurrentPayables
64	Trade payables-agreement	Concept (Monetary)	As Of	Credit	ugp:TradeCurrentPayablesAgreement
65	Salaries and related charges	Concept (Monetary)	As Of	Credit	ugp:SalariesAndRelatedCharges
66	Taxes payable	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentTaxLiabilities
67	Dividends payable	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentDividendPayables
68	Income and social contribution taxes payable	Concept (Monetary)	As Of	Credit	ifrs-full:PayablesOnSocialSecurityAndTaxesOtherThanIncomeTax
69	Post-employment benefits	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentProvisionsForEmployeeBenefits
70	Provision for asset retirement obligation	Concept (Monetary)	As Of	Credit	ugp:CurrentProvisionAssetRetirementObligation
71	Provision for tax, civil, and labor risks	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentProvisions
72	Trade payables - customers and third parties' indemnification	Concept (Monetary)	As Of	Credit	ugp:CustomersAndThirdPartiesPayables
73	Other payables	Concept (Monetary)	As Of	Credit	ifrs-full:OtherCurrentPayables
74	Deferred revenue	Concept (Monetary)	As Of	Credit	ugp:DeferredIncomeCurrent
75	Current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentLiabilities
76	Non-current liabilities	Abstract			ifrs-full:NoncurrentLiabilitiesAbstract
77	Loans and hedging instruments non-current	Concept (Monetary)	As Of	Credit	ugp:LoansAndHedgingInstrumentsNonCurrent
78	Debentures	Concept (Monetary)	As Of	Credit	ifrs-full:DebtSecurities
79	Finance leases	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentFinanceLeaseLiabilities
80	Related parties	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentPayablesToRelatedParties
81	Deferred income and social contribution taxes	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredTaxLiabilities
82	Post-employment benefits	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentProvisionsForEmployeeBenefits
83	Provision for asset retirement obligation	Concept (Monetary)	As Of	Credit	ugp:ProvisionForAssetRetirementObligation
84	Provision for tax, civil, and labor risks	Concept (Monetary)	As Of	Credit	ifrs-full:LongtermLegalProceedingsProvision
85	Deferred revenue	Concept (Monetary)	As Of	Credit	ugp:DeferredIncomeNoncurrent
86	Subscription warrants - indemnification	Concept (Monetary)	As Of	Credit	ugp:SubscriptionWarrants
87	Other payables	Concept (Monetary)	As Of	Credit	ifrs-full:OtherNoncurrentPayables
88	Noncurrent liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentLiabilities
89	Equity	Abstract			ifrs-full:EquityAbstract
90	Share capital	Concept (Monetary)	As Of	Credit	ifrs-full:IssuedCapital
91	Equity instrument granted	Concept (Monetary)	As Of	Credit	ugp:EquityInstruments
92	Capital reserve	Concept (Monetary)	As Of	Credit	ifrs-full:CapitalReserve
93	Treasury shares	Concept (Monetary)	As Of	Debit	ifrs-full:TreasuryShares
94	Revaluation reserve on subsidiaries	Concept (Monetary)	As Of	Credit	ifrs-full:OtherReserves
95	Profit reserves	Concept (Monetary)	As Of	Credit	ifrs-full:ReserveOfDiscretionaryParticipationFeatures
96	Valuation adjustments	Concept (Monetary)	As Of	Credit	ugp:EquityValuationAdjustments
97	Cumulative translation adjustments	Concept (Monetary)	As Of	Credit	ugp:CumulativeTranslationAdjustment
98	Additional dividends to the minimum mandatory dividends	Concept (Monetary)	As Of	Credit	ugp:AdditionalDividendsMinimumMandatoryDividends
99	Equity attributable to:	Abstract			ugp:ShareholdersEquityAttributableToAbstract
100	Shareholders of the Company	Concept (Monetary)	As Of	Credit	ifrs-full:EquityAttributableToOwnersOfParent
101	Non-controlling interests in subsidiaries	Concept (Monetary)	As Of	Credit	ifrs-full:NoncontrollingInterests
102	Total equity	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
103	Total liabilities and equity	Concept (Monetary)	As Of	Credit	ifrs-full:EquityAndLiabilities
104	1004 - Statement - Statements of Profit or Loss	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/StatementOfComprehensiveIncomeProfitOrLossByFunctionOfExpense-310000
105	Implied Table	Table	*	*	implied:Table
106	Profit or loss [abstract]	Abstract			ifrs-full:IncomeStatementAbstract
107	Net revenue from sales and services	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
108	Cost of products and services sold	Concept (Monetary)	For Period	Debit	ifrs-full:CostOfSales
109	Gross profit	Concept (Monetary)	For Period	Credit	ifrs-full:GrossProfit
110	Operating income (expenses)	Abstract			ugp:OperatingIncomeExpensesAbstract
111	Selling and marketing	Concept (Monetary)	For Period	Debit	ifrs-full:SellingGeneralAndAdministrativeExpense
112	General and administrative	Concept (Monetary)	For Period	Debit	ifrs-full:AdministrativeExpense
113	Loss on disposal of property, plant and equipment and intangibles	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnDisposalsOfPropertyPlantAndEquipment
114	Other operating income, net	Concept (Monetary)	For Period	Credit	ifrs-full:OtherOperatingIncomeExpense
115	Operating income before financial income (expenses) and share of profit (loss) of joint ventures and associates	Concept (Monetary)	For Period	Credit	ugp:OperatingIncomeBeforeFinancialIncomeExpensesAndShareOfProfitLossOfJointVenturesAndAssociates
116	Share of profit (loss) of joint ventures and associates	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
117	Operating income before financial income (expenses) and income and social contribution taxes	Concept (Monetary)	For Period	Credit	ugp:OperatingIncomeBeforeFinancialIncomeExpensesAndIncomeAndSocialContributionTaxes
118	Financial income	Concept (Monetary)	For Period	Credit	ifrs-full:FinanceIncome
119	Financial expenses	Concept (Monetary)	For Period	Debit	ifrs-full:FinanceCosts
120	Financial result, net	Concept (Monetary)	For Period	Credit	ifrs-full:FinanceIncomeCost
121	Income before income and social contribution taxes	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossBeforeTax
122	Income and social contribution taxes	Abstract			ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
123	Current	Concept (Monetary)	For Period	Debit	ifrs-full:CurrentTaxExpenseIncome
124	Deferred	Concept (Monetary)	For Period	Debit	ifrs-full:DeferredTaxExpenseIncome
125	Income and social contribution taxes, total	Concept (Monetary)	For Period	Debit	ugp:IncomeAndSocialContributionTaxes
126	Net income for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
127	Net income for the year attributable to:	Abstract			ifrs-full:ProfitLossAttributableToAbstract
128	Shareholders of the Company	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToOwnersOfParent
129	Non-controlling interests in subsidiaries	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToNoncontrollingInterests
130	Net income for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
131	Earnings per share (based on weighted average number of shares outstanding)	Abstract			ifrs-full:EarningsPerShareAbstract
132	Basic	Concept (Share)	For Period		ifrs-full:BasicEarningsLossPerShare
133	Diluted	Concept (Share)	For Period		ifrs-full:DilutedEarningsLossPerShare
134	1005 - Statement - Statements of Comprehensive Income	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/StatementOfComprehensiveIncomeOCIComponentsPresentedNetOfTax-410000
135	Implied Table	Table	*	*	implied:Table
136	Statement of comprehensive income [abstract]	Abstract			ifrs-full:StatementOfComprehensiveIncomeAbstract
137	Net income for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
138	Items that are subsequently reclassified to profit or loss:	Abstract			ugp:ItemsThatAreSubsequentlyReclassifiedToProfitOrLossAbstract
139	Fair value adjustments of financial instruments of subsidiaries, net	Concept (Monetary)	For Period	Debit	ugp:FairValueAdjustmentSubsidiaries
140	Fair value adjustments of financial instruments of joint ventures, net	Concept (Monetary)	For Period	Debit	ugp:FairValueAdjustmentJointVenture
141	Cumulative translation adjustments, net of hedge of net investments in foreign operations and income and social contribution taxes	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationNetOfTax
142	Items that are not subsequently reclassified to profit or loss:	Abstract			ugp:ItemsThatAreNotSubsequentlyReclassifiedToProfitOrLossAbstract
143	Actuarial losses of post-employment benefits of subsidiaries, net	Concept (Monetary)	As Of	Credit	ifrs-full:ActuarialPresentValueOfPromisedRetirementBenefits
144	Actuarial gains of post-employment benefits of joint ventures, net	Concept (Monetary)	For Period	Debit	ugp:OtherAdjustmentsForNoncashItems1
145	Total comprehensive income for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncome
146	Total comprehensive income for the year attributable to shareholders of the Company	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
147	Total comprehensive income for the year attributable to non-controlling interest in subsidiaries	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
148	1006 - Statement - Statements of Changes in Equity	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/StatementOfChangesInEquity-610000
149	Statement [table]	Table	*	*	ugp:StatementTable
150	Components of equity [axis]	Axis			ifrs-full:ComponentsOfEquityAxis
151	Equity [member]	Member			ifrs-full:EquityMember
152	Share capital [member]	Member			ifrs-full:IssuedCapitalMember
153	Equity instrument granted [member]	Member			ugp:EquityInstrumentGrantedMember
154	Capital reserve [member]	Member			ifrs-full:CapitalReserveMember
155	Treasury shares [member]	Member			ifrs-full:TreasurySharesMember
156	Revaluation reserve on subsidiaries	Member			ugp:RevaluationReserveMember
157	Legal Reserves [member]	Member			ugp:LegalReservesMember
158	Investments statutory reserve [member]	Member			ugp:InvestmentsStatutoryReserveMember
159	Valuation Adjustments [member]	Member			ugp:ValuationAdjustmentsMember
160	Cumulative translation adjustments [member]	Member			ugp:CumulativeTranslationAdjustmentsMember
161	Retained earnings [member]	Member			ifrs-full:RetainedEarningsMember
162	Additional dividends to the minimum mandatory dividends [member]	Member			ugp:AdditionalDividendsMember
163	Shareholders of the Company [member]	Member			ugp:EquityAttributableToShareholdersMember
164	Non-controlling interests in subsidiaries [member]	Member			ugp:EquityAttributableToNoncontrollingInterestsMember
165	Retention of profits [member]	Member			ugp:RetentionOfProfitsMember
166	Statement [LineItems]	LineItems			ugp:StatementLineItems
167	Beginning balance	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
168	Effects of IFRS adoption	Concept (Monetary)	For Period	Credit	ugp:NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoption
169	Transfer of effects of IFRS adoption	Concept (Monetary)	For Period	Credit	ugp:NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionTransferOfEffectsOfIfrsAdoption
170	Balance as of January 1, 2016-Restated	Concept (Monetary)	As Of	Credit	ugp:EquityBalanceOnCumulativeEffectOfAdoptingIFRSNine
171	Net income for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
172	Other comprehensive income:	Abstract			ifrs-full:OtherComprehensiveIncomeAbstract
173	Fair value adjustments of available for sale, net of income taxes	Concept (Monetary)	For Period	Debit	ugp:AdjustmentsOfAvailableForSaleForFairValueGainsLosses
174	Fair value adjustments of financial assets, net of income taxes	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForFairValueGainsLosses
175	Actuarial losses of post-employment benefits, net of income taxes	Concept (Monetary)	For Period	Credit	ugp:ActuarialLossesOfPostEmploymentBenefitsNet
176	Actuarial losses of post-employment benefits, net of income taxes	Concept (Monetary)	For Period	Debit	ugp:ActuarialGainsOfPostEmploymentBenefitsNet
177	Currency translation of foreign subsidiaries, including the effect of net investments hedge	Concept (Monetary)	For Period	Debit	ifrs-full:OtherAdjustmentsToReconcileProfitLoss
178	Total comprehensive income for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncome
179	Equity instrument granted	Concept (Monetary)	For Period	Credit	ugp:EquityInstrumentGranted
180	Sale of treasury shares	Concept (Monetary)	For Period	Credit	ifrs-full:SaleOrIssueOfTreasuryShares
181	Capital increase with reserves	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseInWorkingCapital
182	Stock plan	Concept (Monetary)	For Period	Credit	ugp:IncreaseDecreaseThroughStockPlans
183	Realization of revaluation reserve of subsidiaries	Concept (Monetary)	For Period	Credit	ugp:RealizationOfRevaluationReserveOfSubsidiaries
184	Income and social contribution taxes on realization of revaluation reserve of subsidiaries	Concept (Monetary)	For Period	Credit	ugp:IncomeAndSocialContributionTaxesOnRealizationOfRevaluationReserveOfSubsidiaries
185	Expired dividends	Concept (Monetary)	For Period	Debit	ugp:ExpiredDividends
186	Transfer to investments reserve	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughTransferToStatutoryReserve
187	Additional dividends attributable to non-controlling interests	Concept (Monetary)	For Period	Debit	ugp:AddititionalDividendsNonControlingInterest
188	Additional dividends attributable to non-controlling interests	Concept (Monetary)	For Period	Credit	ugp:AdditionalDividendsNonControllingInterest
189	Approval of additional dividends by the Shareholders' Meeting	Concept (Monetary)	For Period	Debit	ifrs-full:DividendsPaid
190	Non-controlling interests added due to business combination	Concept (Monetary)	For Period	Credit	ugp:NoncontrollingInterestsAddedDueToBusinessCombination
191	Non-controlling interests changes - CBLSA	Concept (Monetary)	For Period	Credit	ugp:NoncontrollingInterestsChangesCBLSA
192	Allocation of net income:	Abstract			ugp:AllocationOfNetIncomeAbstract
193	Legal reserve	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity
194	Interim dividends (R$ 0.80 per share of the Company)	Concept (Monetary)	For Period	Debit	ugp:InterimDividends2
195	Interim dividends (R$ 0.56 per share of the Company)	Concept (Monetary)	For Period	Debit	ugp:InterimDividends
196	Proposed dividends (R$ 0.90 per share of the Company)	Concept (Monetary)	For Period	Debit	ugp:ProposedDividends2
197	Proposed dividends (R$ 0.87 per share of the Company)	Concept (Monetary)	For Period	Debit	ugp:ProposedDividends3
198	Proposed dividends (R$ 0.70 per share of the Company)	Concept (Monetary)	For Period	Debit	ugp:ProposedDividends
199	Retention of profits	Concept (Monetary)	For Period	Credit	ugp:StatutoryInvestmentsReserves
200	Statutory reserve	Concept (Monetary)	For Period	Credit	ugp:IncreaseDecreaseInStatutoryReserveDeposits
201	Ending balance	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
202	1007 - Statement - Statements of Changes in Equity (Parenthetical)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/StatementOfChangesInEquity-610000Parenthetical
203	Implied Table	Table	*	*	implied:Table
204	Statement of changes in equity [abstract]	Abstract			ifrs-full:StatementOfChangesInEquityAbstract
205	Interim dividends, paid per share	Concept (Share)	For Period		ugp:InterimDividendsPerShare
206	Proposed dividends, per share	Concept (Share)	For Period		ugp:ProposedDividendsPerShare
207	1008 - Statement - Statements of Cash Flows-Indirect Method	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/StatementOfCashFlowsIndirectMethod-520000
208	Implied Table	Table	*	*	implied:Table
209	Statement of cash flows [abstract]	Abstract			ifrs-full:StatementOfCashFlowsAbstract
210	Cash flows from operating activities	Abstract			ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
211	Net income for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
212	Adjustments to reconcile net income to cash provided by operating activities	Abstract			ifrs-full:AdjustmentsForReconcileProfitLossAbstract
213	Share of loss (profit) of joint ventures and associates	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
214	Amortization of contractual assets with customers - exclusive rights	Concept (Monetary)	For Period	Debit	ifrs-full:AmortisationAssetsRecognisedFromCostsIncurredToObtainOrFulfilContractsWithCustomers
215	Depreciation and amortization	Concept (Monetary)	For Period	Debit	ifrs-full:DepreciationExpense
216	PIS and COFINS credits on depreciation	Concept (Monetary)	For Period	Credit	ugp:CreditsOnDepreciation
217	Interest and foreign exchange rate variations	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForUnrealisedForeignExchangeLossesGains
218	Deferred income and social contribution taxes	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDeferredTaxExpense
219	(Gain) loss on disposal of property, plant and equipment and intangibles	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets
220	Estimated losses on doubtful accounts	Concept (Monetary)	For Period	Debit	ugp:AdjustmentsForEstimatedLossesOnDoubtfulAccounts
221	Provision for losses in inventories	Concept (Monetary)	For Period	Debit	ugp:AdjustmentsForProvisionForLossesInInventories
222	Provision for post-employment benefits	Concept (Monetary)	For Period	Debit	ugp:AdjustmentsForProvisionForPostemploymentBenefits
223	Other provisions and adjustments	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForIncreaseInOtherProvisionsArisingFromPassageOfTime
224	Adjustments, total	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForReconcileProfitLoss
225	(Increase) decrease in current assets	Abstract			ugp:IncreaseDecreaseInCurrentAssetsAbstract
226	Trade receivables and reseller financing	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable
227	Inventories	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDecreaseIncreaseInInventories
228	Recoverable taxes	Concept (Monetary)	For Period	Debit	ugp:AdjustmentsForRecoverableTaxes
229	Dividends received from joint-ventures	Concept (Monetary)	For Period	Debit	ifrs-full:DividendsReceivedClassifiedAsOperatingActivities
230	Insurance and other receivables	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables
231	Prepaid expenses	Concept (Monetary)	For Period	Debit	ugp:AdjustmentsForPrepaidExpenses
232	Increase (decrease) in current liabilities	Abstract			ugp:IncreaseDecreaseInCurrentLiabilitiesAbstract
233	Trade payables	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAccountPayable
234	Salaries and related charges	Concept (Monetary)	For Period	Credit	ugp:AdjustmentsForIncreaseDecreaseInSalariesAndRelatedCharges
235	Taxes payable	Concept (Monetary)	For Period	Credit	ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities
236	Income and social contribution taxes	Concept (Monetary)	For Period	Credit	ugp:AdjustmentsForIncreaseDecreaseInIncomeAndSocialContributionTaxesPaidCurrent
237	Post-employment benefits	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities
238	Provision for tax, civil, and labor risks	Concept (Monetary)	For Period	Credit	ugp:AdjustmentsForIncreaseDecreaseInProvisionForTaxCivilAndLaborRisksCurrent
239	Insurance and other payables	Concept (Monetary)	For Period	Debit	ugp:AdjustmentsForIncreaseDecreaseInInsuranceAndOtherPayables
240	Deferred revenue	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForIncreaseDecreaseInDeferredIncome
241	(Increase) decrease in non-current assets	Abstract			ugp:IncreaseDecreaseInNonCurrentAssetsAbstract
242	Trade receivables and reseller financing	Concept (Monetary)	For Period	Debit	ugp:AdjustmentsForDecreaseIncreaseInTradeAccountReceivableNonCurrent
243	Recoverable taxes	Concept (Monetary)	For Period	Debit	ugp:AdjustmentsForIncreaseDecreaseRecoverableTaxesNonCurrent
244	Escrow deposits	Concept (Monetary)	For Period	Debit	ugp:AdjustmentsForIncreaseDecreaseInEscrowDepositsNonCurrent
245	Other receivables	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables
246	Prepaid expenses	Concept (Monetary)	For Period	Debit	ugp:AdjustmentsForIncreaseDecreasePrepaidExpensesNoncurrent
247	Increase (decrease) in non-current liabilities	Abstract			ugp:IncreaseDecreaseInNonCurrentLiabilitiesAbstract
248	Post-employment benefits	Concept (Monetary)	For Period	Credit	ugp:AdjustmentsForIncreaseDecreaseInPostEmploymentBenefitsNonCurrent
249	Provision for tax, civil, and labor risks	Concept (Monetary)	For Period	Credit	ugp:AdjustmentsForIncreaseDecreaseInProvisionForTaxCivilAndLaborRisksNoncurrent
250	Other payables	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForIncreaseDecreaseInOtherOperatingPayables
251	Deferred revenue	Concept (Monetary)	For Period	Credit	ugp:AdjustmentsForIncreaseDecreaseInDeferredRevenueNoncurrent
252	Payments of contractual assets with customers - exclusive rights	Concept (Monetary)	For Period	Credit	ugp:AdjustmentsForPaymentsOfContractualAssetsWithCustomersExclusiveRightsNoncurrent
253	Income and social contribution taxes paid	Concept (Monetary)	For Period	Credit	ugp:AdjustmentsForIncreaseDecreaseInIncomeAndSocialContributionTaxesPaidNoncurrent
254	Net cash provided by operating activities	Concept (Monetary)	For Period		ifrs-full:CashFlowsFromUsedInOperatingActivities
255	Cash flows from investing activities	Abstract			ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
256	Financial investments, net of redemptions	Concept (Monetary)	For Period	Debit	ifrs-full:OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities
257	Cash of companies acquired	Concept (Monetary)	For Period	Debit	ifrs-full:OtherCashReceiptsFromSalesOfEquityOrDebtInstrumentsOfOtherEntitiesClassifiedAsInvestingActivities
258	Acquisition of property, plant, and equipment	Concept (Monetary)	For Period	Credit	ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
259	Acquisition of intangible assets	Concept (Monetary)	For Period	Credit	ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities
260	Acquisition of companies	Concept (Monetary)	For Period	Credit	ifrs-full:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities
261	Capital increase in joint ventures	Concept (Monetary)	For Period	Credit	ifrs-full:OtherCashPaymentsToAcquireInterestsInJointVenturesClassifiedAsInvestingActivities
262	Capital reduction in associates	Concept (Monetary)	For Period	Credit	ugp:CapitalReductionInAssociatesClassifiedAsInvestingActivities
263	Proceeds from disposal of property, plant and equipment and intangibles	Concept (Monetary)	For Period	Debit	ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
264	Net cash used in investing activities	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInInvestingActivities
265	Cash flows from financing activities	Abstract			ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
266	Proceeds	Concept (Monetary)	For Period	Debit	ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
267	Repayments	Concept (Monetary)	For Period	Credit	ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
268	Interest paid	Concept (Monetary)	For Period	Credit	ifrs-full:InterestPaidClassifiedAsFinancingActivities
269	Payments of financial lease	Concept (Monetary)	For Period	Credit	ifrs-full:PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities
270	Dividends paid	Concept (Monetary)	For Period	Credit	ifrs-full:DividendsPaidClassifiedAsFinancingActivities
271	Related parties	Concept (Monetary)	For Period	Debit	ifrs-full:CashReceiptsFromRepaymentOfAdvancesAndLoansMadeToRelatedParties
272	Net cash provided by (used in) financing activities	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInFinancingActivities
273	Effect of exchange rate changes on cash and cash equivalents in foreign currency	Concept (Monetary)	For Period	Debit	ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
274	Increase (decrease) in cash and cash equivalents	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges
275	Cash and cash equivalents at the beginning of the year	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
276	Cash and cash equivalents at the end of the year	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
277	1009 - Disclosure - Operations	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOperationsExplanatory
278	Implied Table	Table	*	*	implied:Table
279	Text block [abstract]	Abstract			ugp:TextBlockAbstract
280	Operations	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfOperationsExplanatory
281	1010 - Disclosure - Presentation of Financial Statements and Summary of Significant Accounting Policies	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
282	Implied Table	Table	*	*	implied:Table
283	Text block [abstract]	Abstract			ugp:TextBlockAbstract
284	Presentation of Financial Statements and Summary of Significant Accounting Policies	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
285	1011 - Disclosure - Principles of Consolidation, Investments in Subsidiaries and Acquisition	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfPrinciplesOfConsolidationExplanatory
286	Implied Table	Table	*	*	implied:Table
287	Text block [abstract]	Abstract			ugp:TextBlockAbstract
288	Principles of Consolidation, Investments in Subsidiaries and Acquisition	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfPrinciplesOfConsolidationExplanatory
289	1012 - Disclosure - Cash and Cash Equivalents and Financial Investments	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCashAndCashEquivalentsExplanatory
290	Implied Table	Table	*	*	implied:Table
291	Text block [abstract]	Abstract			ugp:TextBlockAbstract
292	Cash and Cash Equivalents and Financial Investments	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory
293	1013 - Disclosure - Trade Receivables and Reseller Financing	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfTradeAndOtherReceivablesExplanatory
294	Implied Table	Table	*	*	implied:Table
295	Text block [abstract]	Abstract			ugp:TextBlockAbstract
296	Trade Receivables and Reseller Financing	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory
297	1014 - Disclosure - Inventories	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInventoriesExplanatory
298	Implied Table	Table	*	*	implied:Table
299	Text block [abstract]	Abstract			ugp:TextBlockAbstract
300	Inventories	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfInventoriesExplanatory
301	1015 - Disclosure - Taxes to Recover	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfTaxesToRecoverExplanatory
302	Implied Table	Table	*	*	implied:Table
303	Text block [abstract]	Abstract			ugp:TextBlockAbstract
304	Taxes to Recover	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfTaxesToRecoverExplanatory
305	1016 - Disclosure - Related Parties	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfRelatedPartyExplanatory
306	Implied Table	Table	*	*	implied:Table
307	Text block [abstract]	Abstract			ugp:TextBlockAbstract
308	Related Parties	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfRelatedPartyExplanatory
309	1017 - Disclosure - Income and Social Contribution Taxes	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfIncomeTaxExplanatory
310	Implied Table	Table	*	*	implied:Table
311	Text block [abstract]	Abstract			ugp:TextBlockAbstract
312	Income and Social Contribution Taxes	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfIncomeTaxExplanatory
313	1018 - Disclosure - Prepaid Expenses	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfPrepaidExpensesExplanatory
314	Implied Table	Table	*	*	implied:Table
315	Text block [abstract]	Abstract			ugp:TextBlockAbstract
316	Prepaid Expenses	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfPrepaidExpensesExplanatory
317	1019 - Disclosure - Contractual Assets with Customers - Exclusive Rights	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfContractAssetsWithCustomersExclusiveRightsExplanatory
318	Implied Table	Table	*	*	implied:Table
319	Text block [abstract]	Abstract			ugp:TextBlockAbstract
320	Contractual Assets with Customers - Exclusive Rights	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfContractAssetsWithCustomersExclusiveRightsExplanatory
321	1020 - Disclosure - Investments	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInvestmentsExplanatory
322	Implied Table	Table	*	*	implied:Table
323	Text block [abstract]	Abstract			ugp:TextBlockAbstract
324	Investments	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfInvestmentsExplanatory
325	1021 - Disclosure - Property, Plant, and Equipment	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfPropertyPlantAndEquipmentExplanatory
326	Implied Table	Table	*	*	implied:Table
327	Text block [abstract]	Abstract			ugp:TextBlockAbstract
328	Property, Plant, and Equipment	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory
329	1022 - Disclosure - Intangible Assets	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfIntangibleAssetsExplanatory
330	Implied Table	Table	*	*	implied:Table
331	Text block [abstract]	Abstract			ugp:TextBlockAbstract
332	Intangible Assets	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfIntangibleAssetsExplanatory
333	1023 - Disclosure - Loans, Debentures, and Finance Leases	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfLoansAndAdvancesToBanksExplanatory
334	Implied Table	Table	*	*	implied:Table
335	Text block [abstract]	Abstract			ugp:TextBlockAbstract
336	Loans, Debentures, and Finance Leases	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfLoansAndAdvancesToBanksExplanatory
337	1024 - Disclosure - Trade Payables	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfTradeAndOtherPayablesExplanatory
338	Implied Table	Table	*	*	implied:Table
339	Text block [abstract]	Abstract			ugp:TextBlockAbstract
340	Trade Payables	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory
341	1025 - Disclosure - Salaries and Related Charges	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSalariesAndRelatedChargesExplanatory
342	Implied Table	Table	*	*	implied:Table
343	Text block [abstract]	Abstract			ugp:TextBlockAbstract
344	Salaries and Related Charges	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfSalariesAndRelatedChargesExplanatory
345	1026 - Disclosure - Taxes Payable	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfTaxReceivablesAndPayablesExplanatory
346	Implied Table	Table	*	*	implied:Table
347	Text block [abstract]	Abstract			ugp:TextBlockAbstract
348	Taxes Payable	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfTaxReceivablesAndPayablesExplanatory
349	1027 - Disclosure - Employee Benefits and Private Pension Plan	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEmployeeBenefitsExplanatory
350	Implied Table	Table	*	*	implied:Table
351	Text block [abstract]	Abstract			ugp:TextBlockAbstract
352	Employee Benefits and Private Pension Plan	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfEmployeeBenefitsExplanatory
353	1028 - Disclosure - Provision for Asset Retirement Obligation - Fuel Tanks	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherProvisionsExplanatory
354	Implied Table	Table	*	*	implied:Table
355	Text block [abstract]	Abstract			ugp:TextBlockAbstract
356	Provision for Asset Retirement Obligation - Fuel Tanks	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfOtherProvisionsExplanatory
357	1029 - Disclosure - Provisions and Contingencies	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfProvisionsExplanatory
358	Implied Table	Table	*	*	implied:Table
359	Text block [abstract]	Abstract			ugp:TextBlockAbstract
360	Provisions and Contingencies	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfProvisionsExplanatory
361	1030 - Disclosure - Ultracargo - Fire Accident in Santos	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfUltracargoFireAccidentInSantosExplanatory
362	Implied Table	Table	*	*	implied:Table
363	Text block [abstract]	Abstract			ugp:TextBlockAbstract
364	Ultracargo - Fire Accident in Santos	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfUltracargoFireAccidentInSantosExplanatory
365	1031 - Disclosure - Deferred Revenue	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfDeferredRevenueExplanatory
366	Implied Table	Table	*	*	implied:Table
367	Text block [abstract]	Abstract			ugp:TextBlockAbstract
368	Deferred Revenue	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfDeferredRevenueExplanatory
369	1032 - Disclosure - Subscription warrants - indemnification	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSubscriptionWarrantsExplanatory
370	Implied Table	Table	*	*	implied:Table
371	Text block [abstract]	Abstract			ugp:TextBlockAbstract
372	Subscription warrants - indemnification	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfSubscriptionWarrantsExplanatory
373	1033 - Disclosure - Equity	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfStockholdersEquityExplanatory
374	Implied Table	Table	*	*	implied:Table
375	Text block [abstract]	Abstract			ugp:TextBlockAbstract
376	Equity	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfStockholdersEquityExplanatory
377	1034 - Disclosure - Net Revenue from Sale and Services	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfRevenueExplanatory
378	Implied Table	Table	*	*	implied:Table
379	Text block [abstract]	Abstract			ugp:TextBlockAbstract
380	Net Revenue from Sale and Services	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfRevenueExplanatory
381	1035 - Disclosure - Expenses by Nature	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfExpensesByNatureExplanatory
382	Implied Table	Table	*	*	implied:Table
383	Text block [abstract]	Abstract			ugp:TextBlockAbstract
384	Expenses by Nature	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfExpensesByNatureExplanatory
385	1036 - Disclosure - Gain (loss) on Disposal of Property, Plant and Equipment and Intangibles	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsGainLossOnDisposalOfPropertyPlantAndEquipmentAndIntangiblesExplanatory
386	Implied Table	Table	*	*	implied:Table
387	Text block [abstract]	Abstract			ugp:TextBlockAbstract
388	Gain (loss) on Disposal of Property, Plant and Equipment and Intangibles	Concept (Text Block (HTML))	For Period		ugp:GainLossOnDisposalOfPropertyPlantAndEquipmentAndIntangiblesExplanatory
389	1037 - Disclosure - Other Operating Income, Net	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherOperatingIncomeExpenseExplanatory
390	Implied Table	Table	*	*	implied:Table
391	Text block [abstract]	Abstract			ugp:TextBlockAbstract
392	Other Operating Income, Net	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfOtherOperatingIncomeExpenseExplanatory
393	1038 - Disclosure - Financial Income (Expense)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfFinancialIncomeExpenseExplanatory
394	Implied Table	Table	*	*	implied:Table
395	Text block [abstract]	Abstract			ugp:TextBlockAbstract
396	Financial Income (Expense)	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfFinancialIncomeExpenseExplanatory
397	1039 - Disclosure - Earnings per Share	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEarningsPerShareExplanatory
398	Implied Table	Table	*	*	implied:Table
399	Text block [abstract]	Abstract			ugp:TextBlockAbstract
400	Earnings per Share	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfEarningsPerShareExplanatory
401	1040 - Disclosure - Segment Information	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEntitysReportableSegmentsExplanatory
402	Implied Table	Table	*	*	implied:Table
403	Text block [abstract]	Abstract			ugp:TextBlockAbstract
404	Segment Information	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory
405	1041 - Disclosure - Risks and Financial Instruments	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory
406	Implied Table	Table	*	*	implied:Table
407	Text block [abstract]	Abstract			ugp:TextBlockAbstract
408	Risks and Financial Instruments	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory
409	1042 - Disclosure - Commitments	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCommitmentsExplanatory
410	Implied Table	Table	*	*	implied:Table
411	Text block [abstract]	Abstract			ugp:TextBlockAbstract
412	Commitments	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfCommitmentsExplanatory
413	1043 - Disclosure - Subsequent events	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEventsAfterReportingPeriodExplanatory
414	Implied Table	Table	*	*	implied:Table
415	Text block [abstract]	Abstract			ugp:TextBlockAbstract
416	Subsequent events	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfEventsAfterReportingPeriodExplanatory
417	1044 - Disclosure - Presentation of Financial Statements and Summary of Significant Accounting Policies (Policies)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSummaryOfSignificantAccountingPoliciesExplanatoryPolicies
418	Implied Table	Table	*	*	implied:Table
419	Text block [abstract]	Abstract			ugp:TextBlockAbstract
420	Recognition of Revenue	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue
421	Cash and Cash Equivalents	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents
422	Financial Assets	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForFinancialAssetsExplanatory
423	Trade Receivables and Reseller Financing	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory
424	Inventories	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForMeasuringInventories
425	Contractual assets with customers - exclusive rights	Concept (Text Block (HTML))	For Period		ugp:ContractualAssetsWithCustomersExclusiveRightsExplanatory
426	Investments	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForInvestmentInAssociates
427	Property, Plant, and Equipment	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory
428	Leases	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForLeasesExplanatory
429	Intangible Assets	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory
430	Other Assets	Concept (Text Block (HTML))	For Period		ugp:DescriptionOfAccountingPolicyForOtherAssetsExplanatory
431	Financial Liabilities	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForFinancialLiabilitiesExplanatory
432	Income and Social Contribution Taxes on Income	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory
433	Provision for Asset Retirement Obligation - Fuel Tanks	Concept (Text Block (HTML))	For Period		ugp:DescriptionOfAccountingPolicyForOtherProvisionsExplanatory
434	Provisions for Tax, Civil, and Labor Risks	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForProvisionsExplanatory
435	Post-Employment Benefits	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory
436	Other Liabilities	Concept (Text Block (HTML))	For Period		ugp:DescriptionOfAccountingPolicyForOtherLiabilitiesExplanatory
437	Foreign Currency Transactions	Concept (Text Block (HTML))	For Period		ugp:DescriptionOfAccountingPolicyForForeignCurrencyTransactionsExplanatory
438	Basis for Translation of Financial Statements of Foreign Subsidiaries	Concept (Text Block (HTML))	For Period		ugp:DescriptionOfAccountingPolicyForBasisForTranslationOfFinancialStatementsExplanatory
439	Use of Estimates, Assumptions and Judgments	Concept (Text Block (HTML))	For Period		ugp:DescriptionOfAccountingPolicyForUseOfEstimatesAssumptionsAndJudgmentsExplanatory
440	Impairment of Assets	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory
441	Business Combination	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory
442	Statements of Cash Flows Indirect Method	Concept (Text Block (HTML))	For Period		ugp:DescriptionOfAccountingPolicyForStatementsOfCashFlowsExplanatory
443	Adoption of the Pronouncements Issued by IASB	Concept (Text Block (HTML))	For Period		ugp:DescriptionOfAccountingPolicyForPronouncementsIssuedByIfrsExplanatory
444	Authorization for Issuance of the Financial Statements	Concept (Text Block (HTML))	For Period		ugp:DescriptionOfAccountingPolicyForAuthorizationForIssuanceOfFinancialStatementsExplanatory
445	1045 - Disclosure - Presentation of Financial Statements and Summary of Significant Accounting Policies (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSummaryOfSignificantAccountingPoliciesExplanatoryTables
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452	Summary of Impairment Loss of Subsidiary	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory
453	Summary of Classification and Measurement of Financial Instruments	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfReclassificationsOrChangesInPresentationExplanatory
454	Summary of Impacts of Adoption	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations
455	Summary of Adoption of Pronouncesments Issued	Concept (Text Block (HTML))	For Period		ugp:SummaryOfOfPronouncesmentsIssuedTableTextBlock
456	Summary of he Range Of Estimated Impacts On the Adoption Of the Ifrs 16	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfChangesInAccountingEstimatesExplanatory
457	1046 - Disclosure - Principles of Consolidation, Investments in Subsidiaries and Acquisition (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfPrinciplesOfConsolidationExplanatoryTables
458	Statement [table]	Table	*	*	ugp:StatementTable
459	Business combinations [axis]	Axis			ifrs-full:BusinessCombinationsAxis
460	Entity's total for business combinations [member]	Member			ifrs-full:EntitysTotalForBusinessCombinationsMember
461	TEAS Terminal Exportador de Alcool de Santos Ltda. [member]	Member			ugp:TEASTerminalExportadorDeAlcoolDeSantosLtdaMember
462	Statement [LineItems]	LineItems			ugp:StatementLineItems
463	Investments in subsidiaries	Concept (Text Block (HTML))	For Period		ugp:SummaryOfInvestmentsInSubsidiariesTableTextBlock
464	Fair value of acquired assets and liabilities assumed in acquisition	Concept (Text Block (HTML))	For Period		ugp:SummaryOfAcquiredAssetsAndLiabilitiesInAcquisitionsTableTextBlock
465	Summary of identification of assets and liabilities, intangible assets, not recognized in acquired entity's book	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfIdentificationOfAssetsAndLiabilitiesIntangibleAssetsNotRecognizedAsOfAcquisitionDateExplanatory
466	Summary of goodwill calculation	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillExplanatory
467	Consolidated information	Concept (Text Block (HTML))	For Period		ugp:SummaryOfConsolidatedInformationWithAcquisitionTableTextBlock
468	1047 - Disclosure - Cash and Cash Equivalents and Financial Investments (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCashAndCashEquivalentsExplanatoryTables
469	Implied Table	Table	*	*	implied:Table
470	Text block [abstract]	Abstract			ugp:TextBlockAbstract
471	Cash and cash equivalents	Concept (Text Block (HTML))	For Period		ugp:SummaryOfCashAndCashEquivalentsTableTextBlock
472	Financial investments	Concept (Text Block (HTML))	For Period		ugp:SummaryOfFinancialInvestmentsTableTextBlock
473	1048 - Disclosure - Trade Receivables and Reseller Financing (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfTradeAndOtherReceivablesExplanatoryTables
474	Implied Table	Table	*	*	implied:Table
475	Text block [abstract]	Abstract			ugp:TextBlockAbstract
476	Trade receivables	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfTradeReceivablesCompositionExplanatory
477	Trade receivables breakdown	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfTradeReceivablesBreakdownExplanatory
478	Breakdown of estimated losses on doubtful accounts	Concept (Text Block (HTML))	For Period		ugp:DisclosureInBreakdownOfEstimatedLossOnDoubtfulAccountsExplanatory
479	Composition of reseller financing	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfResellerFinancingCompositionExplanatory
480	Breakdown of reseller financing, gross of estimated losses on doubtful accounts	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfBreakdownOfResellerFinancingGrossOfEstimatedLossesOnDoubtfulAccountsExplanatory
481	Breakdown of estimated losses on doubtful accounts	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfBreakdownOfEstimatedLossesOnDoubtfulAccountsExplanatory
482	1049 - Disclosure - Inventories (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInventoriesExplanatoryTables
483	Implied Table	Table	*	*	implied:Table
484	Text block [abstract]	Abstract			ugp:TextBlockAbstract
485	Composition of inventories	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfInventoriesCompositionExplanatory
486	Movements in the provision for losses	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfProvisionForLossesExplanatory
487	Breakdown of provisions for losses related to inventories	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfInventoriesProvisionForLossesExplanatory
488	1050 - Disclosure - Taxes to Recover (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfTaxesToRecoverExplanatoryTables
489	Implied Table	Table	*	*	implied:Table
490	Text block [abstract]	Abstract			ugp:TextBlockAbstract
491	Recoverable taxes	Concept (Text Block (HTML))	For Period		ugp:SummaryOfRecoverableTaxesTableTextBlock
492	Provision for ICMS losses	Concept (Text Block (HTML))	For Period		ugp:SummaryOfProvisionForIcmsLossesTableTextBlock
493	Summary of Recoverable Income Tax and Social Contribution Taxes	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfRecoverableIncomeTaxAndSocialContributionTaxesExplanatory
494	1051 - Disclosure - Related Parties (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfRelatedPartyExplanatoryTables
495	Implied Table	Table	*	*	implied:Table
496	Text block [abstract]	Abstract			ugp:TextBlockAbstract
497	Subsidiaries and Other Related Parties	Concept (Text Block (HTML))	For Period		ugp:SummaryOfSubsidiariesAndOtherRelatedPartiesTableTextBlock
498	Expenses for Compensation of its Key Executives	Concept (Text Block (HTML))	For Period		ugp:SummaryOfCompensationForKeyExecutivesTableTextBlock
499	Shares Granted	Concept (Text Block (HTML))	For Period		ugp:SummaryOfSharesGrantedTableTextBlock
500	Changes of Number of Shares Granted	Concept (Text Block (HTML))	For Period		ugp:SummaryOfChangesInNumberOfSharesGrantedTableTextBlock
501	Restricted Stock Program	Concept (Text Block (HTML))	For Period		ugp:SummaryOfRestrictedStockProgramTableTextBlock
502	Summarized Changes of Number of Restricted and Performance Shares Granted	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfSummarizedChangesOfNumberOfRestrictedAndPerformanceSharesGrantedExplanatory
503	1052 - Disclosure - Income and Social Contribution Taxes (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfIncomeTaxExplanatoryTables
504	Implied Table	Table	*	*	implied:Table
505	Text block [abstract]	Abstract			ugp:TextBlockAbstract
506	Deferred taxes	Concept (Text Block (HTML))	For Period		ugp:SummaryOfDeferredTaxesTableTextBlock
507	Summary of Changes in Balances of Deferred Taxes	Concept (Text Block (HTML))	For Period		ugp:SummaryOfChangesInBalanceOfDeferredTaxesTableTextBlock
508	Summary of Recovery of Deferred Tax Assets	Concept (Text Block (HTML))	For Period		ugp:SummaryOfDeferredTaxAssetRecoveryTableTextBlock
509	Summary of Reconciliation of Taxes	Concept (Text Block (HTML))	For Period		ugp:SummaryOfTaxReconciliationTableTextBlock
510	Summary of Tax Incentives	Concept (Text Block (HTML))	For Period		ugp:SummaryOfTaxIncentivesTableTextBlock
511	1053 - Disclosure - Prepaid Expenses (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfPrepaidExpensesExplanatoryTables
512	Implied Table	Table	*	*	implied:Table
513	Text block [abstract]	Abstract			ugp:TextBlockAbstract
514	Summary of Prepaid Expenses	Concept (Text Block (HTML))	For Period		ugp:SummaryOfPrepaidExpensesTableTextBlock
515	1054 - Disclosure - Contractual Assets with Customers - Exclusive Rights (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfContractAssetsWithCustomersExclusiveRightsExplanatoryTables
516	Implied Table	Table	*	*	implied:Table
517	Text block [abstract]	Abstract			ugp:TextBlockAbstract
518	Summary of Contractual Assets with Customers Exclusive Rights Balance and Changes	Concept (Text Block (HTML))	For Period		ifrs-full:ExplanationOfSignificantChangesInContractAssetsAndContractLiabilitiesExplanatory
519	1055 - Disclosure - Investments (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInvestmentsExplanatoryTables
520	Implied Table	Table	*	*	implied:Table
521	Text block [abstract]	Abstract			ugp:TextBlockAbstract
522	Summary of Balances and Changes in Joint Ventures	Concept (Text Block (HTML))	For Period		ugp:SummaryOfBalancesAndChangesInJointVenturesTableTextBlock
523	Summary of Amounts of Financial Position and Income Statements of Profit or Loss of Joint Ventures	Concept (Text Block (HTML))	For Period		ugp:SummaryOfFinancialStatementsOfJointVenturesTableTextBlock
524	Summary of Balances and Changes in Associates	Concept (Text Block (HTML))	For Period		ugp:SummaryOfBalancesInAssociatesTableTextBlock
525	Summary of Amounts of Balance Sheets and Income Statements of Associates	Concept (Text Block (HTML))	For Period		ugp:SummaryOfFinancialStatementsOfAssociatesTableTextBlock
526	1056 - Disclosure - Property, Plant, and Equipment (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfPropertyPlantAndEquipmentExplanatoryTables
527	Implied Table	Table	*	*	implied:Table
528	Text block [abstract]	Abstract			ugp:TextBlockAbstract
529	Balances and changes in property, plant, and equipment	Concept (Text Block (HTML))	For Period		ugp:SummaryOfBalancesInPropertyPlantAndEquipmentTableTextBlock
530	1057 - Disclosure - Intangible Assets (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfIntangibleAssetsExplanatoryTables
531	Implied Table	Table	*	*	implied:Table
532	Text block [abstract]	Abstract			ugp:TextBlockAbstract
533	Balances and changes in intangible assets	Concept (Text Block (HTML))	For Period		ugp:SummaryOfBalancesInIntangibleAssetsTextBlock
534	Amortization expenses	Concept (Text Block (HTML))	For Period		ugp:SummaryOfAmortizationExpensesTableTextBlock
535	Balance of the goodwill	Concept (Text Block (HTML))	For Period		ugp:SummaryOfBalancesOfGoodwillTableTextBlock
536	1058 - Disclosure - Loans, Debentures, and Finance Leases (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfLoansAndAdvancesToBanksExplanatoryTables
537	Statement [table]	Table	*	*	ugp:StatementTable
538	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
539	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
540	Oxiteno USA LLC [member]	Member			ugp:OxitenoUSAMember
541	Statement [LineItems]	LineItems			ugp:StatementLineItems
542	Summary of Compostion of loans	Concept (Text Block (HTML))	For Period		ugp:SummaryOfCompostionOfLoansTableTextBlock
543	Summary of Changes in Loans, Debentures and Finance Leases	Concept (Text Block (HTML))	For Period		ugp:SummaryOfChangesInLoansDebenturesAndFinanceLeasesTableTextBlock
544	Summary of Principal Maturity Schedule	Concept (Text Block (HTML))	For Period		ugp:SummaryOfPrincipalMaturityScheduleTableTextBlock
545	Summary of Foreign Loan Maturity	Concept (Text Block (HTML))	For Period		ugp:SummaryOfForeignLoanMaturityTableTextBlock
546	Summary of Subsidiary's Loan Maturity	Concept (Text Block (HTML))	For Period		ugp:SummaryOfLoanMaturityExplanatory
547	Summary of Loans and Debnture Maturity	Concept (Text Block (HTML))	For Period		ugp:SummaryOfLoanAndDebentureMaturityTableTextBlock
548	Summary of Debentures	Concept (Text Block (HTML))	For Period		ugp:SummaryOfDebenturesTableTextBlock
549	Summary of debentures maturity dates distribution	Concept (Text Block (HTML))	For Period		ugp:SummaryOfLoanAndDebentureMaturityDistributionTableTextBlock
550	Summary of Equipment and Intangible Assets, Net of Depreciation and Amortization, and Corresponding Liabilities	Concept (Text Block (HTML))	For Period		ugp:SummaryOfEquipmentAndIntangibleAssetsNetOfDepreciationAndAmortizationAndCorrespondingLiabilitiesTableTextBlock
551	Summary of Transaction Costs	Concept (Text Block (HTML))	For Period		ugp:SummaryOfTransactionCostsTextBlock
552	Summary of Appropriated Profit or Loss in The Future	Concept (Text Block (HTML))	For Period		ugp:SummaryOfAppropriatedProfitOrLossInFutureTableTextBlock
553	1059 - Disclosure - Trade Payables (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfTradeAndOtherPayablesExplanatoryTables
554	Implied Table	Table	*	*	implied:Table
555	Text block [abstract]	Abstract			ugp:TextBlockAbstract
556	Summary of Trade Payables	Concept (Text Block (HTML))	For Period		ugp:SummaryOfTradePayablesTableTextBlock
557	1060 - Disclosure - Salaries and Related Charges (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSalariesAndRelatedChargesExplanatoryTables
558	Implied Table	Table	*	*	implied:Table
559	Text block [abstract]	Abstract			ugp:TextBlockAbstract
560	Summary of Salaries and Related Charges	Concept (Text Block (HTML))	For Period		ugp:SummaryOfSalariesAndRelatedChargesTableTextBlock
561	1061 - Disclosure - Taxes Payable (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfTaxReceivablesAndPayablesExplanatoryTables
562	Implied Table	Table	*	*	implied:Table
563	Text block [abstract]	Abstract			ugp:TextBlockAbstract
564	Summary of Taxes Payable	Concept (Text Block (HTML))	For Period		ugp:SummaryOfTaxesPayableTableTextBlock
565	1062 - Disclosure - Employee Benefits and Private Pension Plan (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEmployeeBenefitsExplanatoryTables
566	Implied Table	Table	*	*	implied:Table
567	Text block [abstract]	Abstract			ugp:TextBlockAbstract
568	Post-employment benefits	Concept (Text Block (HTML))	For Period		ugp:SummaryOfPostEmploymentBenefits
569	Changes in provision for post-employment benefits	Concept (Text Block (HTML))	For Period		ugp:ChangesInProvisionForPostEmploymentBenefits
570	Post-employment benefit expense	Concept (Text Block (HTML))	For Period		ugp:SummaryOfEmploymentBenefitExpenseTableTextBlock
571	Significant actuarial assumptions adopted	Concept (Text Block (HTML))	For Period		ugp:SummaryOfSignificantActuarialAssumptionsAdoptedTableTextBlock
572	Sensitivity analysis	Concept (Text Block (HTML))	For Period		ugp:SummaryOfSensitivityAnalysisTableTextBlock
573	1063 - Disclosure - Provision for Asset Retirement Obligation - Fuel Tanks (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherProvisionsExplanatoryTables
574	Implied Table	Table	*	*	implied:Table
575	Text block [abstract]	Abstract			ugp:TextBlockAbstract
576	Changes in the provision for asset retirement obligation	Concept (Text Block (HTML))	For Period		ugp:SummaryOfChangesInAssetRetirementObligationTableTextBlock
577	1064 - Disclosure - Provisions and Contingencies (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfProvisionsExplanatoryTables
578	Implied Table	Table	*	*	implied:Table
579	Text block [abstract]	Abstract			ugp:TextBlockAbstract
580	Breakdown of provisions by nature	Concept (Text Block (HTML))	For Period		ugp:SummaryOfBreakdownOfProvisionsByNatureTableTextBlock
581	Balances of escrow deposits	Concept (Text Block (HTML))	For Period		ugp:SummaryOfBalancesOfEscrowDepositsTableTextBlock
582	1065 - Disclosure - Ultracargo - Fire Accident in Santos (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfUltracargoFireAccidentInSantosExplanatoryTables
583	Implied Table	Table	*	*	implied:Table
584	Text block [abstract]	Abstract			ugp:TextBlockAbstract
585	Summary of remaining balance of trade payables customers and third parties indemnification	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfRemainingBalanceOfTradePayablesCustomersAndThirdPartiesIndemnificationExplanatory
586	1066 - Disclosure - Deferred Revenue (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfDeferredRevenueExplanatoryTables
587	Implied Table	Table	*	*	implied:Table
588	Text block [abstract]	Abstract			ugp:TextBlockAbstract
589	Deferred revenue in subsidiaries	Concept (Text Block (HTML))	For Period		ugp:SummaryOfDeferredRevenueInSubsidiariesTableTextBlock
590	1067 - Disclosure - Equity (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfStockholdersEquityExplanatoryTables
591	Implied Table	Table	*	*	implied:Table
592	Text block [abstract]	Abstract			ugp:TextBlockAbstract
593	Balance of other comprehensive income	Concept (Text Block (HTML))	For Period		ugp:SummaryOfBalanceOfOtherComprehensiveIncomeTableTextBlock
594	Balance and changes in cumulative translation adjustments	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfCumulativeTranslationAdjustmentsExplanatory
595	Dividends and Allocation of Net Income	Concept (Text Block (HTML))	For Period		ugp:SummaryOfDividendsAndAllocationOfNetIncomeTableTextBlock
596	Summary of Balances and Changes in Consolidated Dividends Payable	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfBalancesAndChangesInConsolidatedDividendsPayableExplanatory
597	1068 - Disclosure - Net Revenue from Sale and Services (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfRevenueExplanatoryTables
598	Implied Table	Table	*	*	implied:Table
599	Text block [abstract]	Abstract			ugp:TextBlockAbstract
600	Net Revenue from sales and services	Concept (Text Block (HTML))	For Period		ugp:SummaryOfRevenueFromSalesAndServicesTableTextBlock
601	1069 - Disclosure - Expenses by Nature (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfExpensesByNatureExplanatoryTables
602	Implied Table	Table	*	*	implied:Table
603	Text block [abstract]	Abstract			ugp:TextBlockAbstract
604	Expenses by nature	Concept (Text Block (HTML))	For Period		ugp:SummaryOfExpensesByNatureTableTextBlock
605	1070 - Disclosure - Other Operating Income, Net (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherOperatingIncomeExpenseExplanatoryTables
606	Implied Table	Table	*	*	implied:Table
607	Text block [abstract]	Abstract			ugp:TextBlockAbstract
608	Other operating income net	Concept (Text Block (HTML))	For Period		ugp:SummaryOfOtherOperatingIncomeTableTextBlock
609	1071 - Disclosure - Financial Income (Expense) (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfFinancialIncomeExpenseExplanatoryTables
610	Implied Table	Table	*	*	implied:Table
611	Text block [abstract]	Abstract			ugp:TextBlockAbstract
612	Financial income (expense)	Concept (Text Block (HTML))	For Period		ugp:SummaryOfFinancialIncomeExpenseTableTextBlock
613	1072 - Disclosure - Earnings per Share (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEarningsPerShareExplanatoryTables
614	Implied Table	Table	*	*	implied:Table
615	Text block [abstract]	Abstract			ugp:TextBlockAbstract
616	Basic and diluted earnings per share	Concept (Text Block (HTML))	For Period		ifrs-full:EarningsPerShareExplanatory
617	Weighted Average Shares Outstanding	Concept (Text Block (HTML))	For Period		ugp:SummaryOfWeightedAverageSharesOutstandingTableTextBlock
618	1073 - Disclosure - Segment Information (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEntitysReportableSegmentsExplanatoryTables
619	Implied Table	Table	*	*	implied:Table
620	Text block [abstract]	Abstract			ugp:TextBlockAbstract
621	Financial information of segments	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfFinancialInformationOfSegmentsExplanatory
622	Asset reclassification	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfAssetReclassificationExplanatory
623	Fixed and intangible assets of the Company abroad	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfFixedAndIntangibleAssetsAbroadExplanatory
624	Revenue from operations abroad	Concept (Text Block (HTML))	For Period		ugp:DisclosureOfRevenueFromOperationsAbroadExplanatory
625	1074 - Disclosure - Risks and Financial Instruments (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatoryTables
626	Implied Table	Table	*	*	implied:Table
627	Text block [abstract]	Abstract			ugp:TextBlockAbstract
628	Assets and liabilities in foreign currencies	Concept (Text Block (HTML))	For Period		ugp:SummaryOfAssetsAndLiabilitiesInForeignCurrenciesTableTextBlock
629	Sensitivity analysis of assets and liabilities in foreign currency	Concept (Text Block (HTML))	For Period		ugp:SummaryOfSensitivityAnalysisOfAssetsAndLiabilitiesInForeignCurrencyTableTextBlock
630	Financial assets and liabilities exposed to floating interest rates	Concept (Text Block (HTML))	For Period		ugp:SummaryOfFinancialAssetsAndLiabilitiesExposedToFloatingInterestRatesTableTextBlock
631	Sensitivity analysis of floating interest rate risk	Concept (Text Block (HTML))	For Period		ugp:SummaryOfSensitivityAnalysisOfFloatingInterestRateRiskTableTextBlock
632	Summary of Credit Risk of Cash, Cash Equivalents and Financial Investments	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfExternalCreditExposuresExplanatory
633	Allowance for estimated losses on doubtful accounts balances on trade receivables	Concept (Text Block (HTML))	For Period		ugp:SummaryOfAllowanceForDoubtfulAccountsOnTradeReceivablesTableTextBlock
634	Contractual undiscounted cash outflows	Concept (Text Block (HTML))	For Period		ugp:SummaryOfContractualUndiscountedCashOutflowsTableTextBlock
635	Position of hedging instruments	Concept (Text Block (HTML))	For Period		ugp:SummaryOfPositionOfHedgingInstrumentsTableTextBlock
636	Foreign Exchange Hedging Instruments Designated as Fair Value Hedge	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDetailedInformationAboutHedgingInstrumentsExplanatory
637	Value of gains (losses) recognized	Concept (Text Block (HTML))	For Period		ugp:SummaryOfValueOfGainsLossesRecognizedTableTextBlock
638	Fair values and the carrying values of the financial instruments	Concept (Text Block (HTML))	For Period		ugp:SummaryOfFairAndCarryingValuesOfFinancialInstrumentsTableTextBlock
639	Summary of the financial assets and financial liabilities measured at fair value	Concept (Text Block (HTML))	For Period		ugp:SummaryOfFinancialAssetsAndFinancialLiabilitiesMeasuredAtFairValueTableTextBlock
640	Changes in exchange rate	Concept (Text Block (HTML))	For Period		ugp:SummaryOfChangesInExchangeRateTableTextBlock
641	1075 - Disclosure - Commitments (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCommitmentsExplanatoryTables
642	Implied Table	Table	*	*	implied:Table
643	Text block [abstract]	Abstract			ugp:TextBlockAbstract
644	Contracts	Concept (Text Block (HTML))	For Period		ugp:SummaryOfContractsTableTextBlock
645	Insurance coverage	Concept (Text Block (HTML))	For Period		ugp:SummaryOfInsuranceCoverageInSubsidiariesTableTextBlock
646	Operating lease contracts	Concept (Text Block (HTML))	For Period		ugp:SummaryOfOperatingLeaseContractsTableTextBlock
647	1076 - Disclosure - Presentation of Financial Statements and Summary of Significant Accounting Policies - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosurePresentationOfFinancialStatementsAndSummaryOfSignificantAccountingPoliciesAdditionalInformation
648	Basis Of Presentation And Summary Of Significant Accounting Policies [table]	Table	*	*	ugp:BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTable
649	Classes of intangible assets and goodwill [axis]	Axis			ifrs-full:ClassesOfIntangibleAssetsAndGoodwillAxis
650	Intangible assets and goodwill [member]	Member			ifrs-full:IntangibleAssetsAndGoodwillMember
651	Goodwill [member]	Member			ifrs-full:GoodwillMember
652	Intangible assets other than goodwill [member]	Member			ifrs-full:IntangibleAssetsOtherThanGoodwillMember
653	Type Of Exchange Gain Loss [axis]	Axis			ugp:TypeOfExchangeGainLossAxis
654	Type Of Exchange Gain Loss [domain]	Member			ugp:TypeOfExchangeGainLossDomain
655	Purchase Exchange Rate [member]	Member			ugp:PurchaseExchangeRateMember
656	Sale Exchange Rate [member]	Member			ugp:SaleExchangeRateMember
657	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
658	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
659	Oxiteno S. A. Industria e Comercio [member]	Member			ugp:OxitenoIndustriaComercioMember
660	Basis Of Presentation And Summary Of Significant Accounting Policies [line items]	LineItems			ugp:BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesLineItems
661	Research and development expense recognized	Concept (Monetary)	For Period	Debit	ifrs-full:ResearchAndDevelopmentExpense
662	Cumulative translation adjustments	Concept (Monetary)	As Of	Credit	ugp:TranslationAdjustments
663	Variable exchange rate VES/US$	Concept (Decimal)	As Of		ifrs-full:ClosingForeignExchangeRate
664	Impairment loss recognized	Concept (Monetary)	For Period	Debit	ifrs-full:ImpairmentLoss
665	Gains and losses from changes in foreign investments	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnHedgesOfNetInvestmentsInForeignOperationsBeforeTax
666	Impairment loss	Concept (Monetary)	For Period		ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill
667	1077 - Disclosure - Presentation of Financial Statements and Summary of Significant Accounting Policies - Summary of Foreign Subsidiaries (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosurePresentationOfFinancialStatementsAndSummaryOfSignificantAccountingPoliciesSummaryOfForeignSubsidiaries
668	Disclosure of foreign subsidiaries [table]	Table	*	*	ugp:DisclosureOfForeignSubsidiariesTable
669	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
670	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
671	Oxiteno Mexico S.A. de C.V. [member]	Member			ugp:OxitenoMexicoMember
672	Oxiteno servicios corporativos S.A. de C.V.[member]	Member			ugp:OxitenoServiciosCorporativosMember
673	Oxiteno servicios industriales S.A. de C.V.[member]	Member			ugp:OxitenoServiciosIndustrialesMember
674	Oxiteno USA LLC [member]	Member			ugp:OxitenoUSAMember
675	Oxiteno Uruguay [member]	Member			ugp:OxitenoUruguayMember
676	Oxiteno Andina [member]	Member			ugp:OxitenoAndinaMember
677	Disclosure of foreign subsidiaries [line items]	LineItems			ugp:DisclosureOfForeignSubsidiariesLineItems
678	Functional currency	Concept (Text/String)	For Period		ifrs-full:DescriptionOfFunctionalCurrency
679	Location	Concept (Text/String)	For Period		ugp:GeographicalAreas
680	1078 - Disclosure - Presentation of Financial Statements and Summary of Significant Accounting Policies - Summary of Impairment Loss of Subsidiary (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosurePresentationOfFinancialStatementsAndSummaryOfSignificantAccountingPoliciesSummaryOfImpairmentLossOfSubsidiary
681	Disclosure of impairment loss and reversal of impairment loss [table]	Table	*	*	ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable
682	Individual assets or cash-generating units [axis]	Axis			ifrs-full:IndividualAssetsOrCashgeneratingUnitsAxis
683	Entity's total for individual assets or cash-generating units [member]	Member			ifrs-full:EntitysTotalForIndividualAssetsOrCashgeneratingUnitsMember
684	Current assets [member]	Member			ugp:CurrentAssetsMember
685	Non-current assets [member]	Member			ugp:NonCurrentAssetsMember
686	Classes of assets [axis]	Axis			ifrs-full:ClassesOfAssetsAxis
687	Assets [member]	Member			ifrs-full:ClassesOfAssetsMember
688	Cash and cash equivalents [member]	Member			ugp:CashAndCashEquivalentMember
689	Trade receivables [member]	Member			ifrs-full:TradeReceivablesMember
690	Inventories [member]	Member			ugp:InventoriesMember
691	Other receivables [member]	Member			ugp:OtherReceivablesMember
692	Property, plant and equipment [member]	Member			ifrs-full:PropertyPlantAndEquipmentMember
693	Disclosure of impairment loss and reversal of impairment loss [line items]	LineItems			ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems
694	Total of impairment loss	Concept (Monetary)	For Period	Debit	ifrs-full:ImpairmentLoss
695	1079 - Disclosure - Presentation of Financial Statements and Summary of Significant Accounting Policies - Summary of Classification and Measurement of Financial Instruments (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosurePresentationOfFinancialStatementsAndSummaryOfSignificantAccountingPoliciesSummaryOfClassificationAndMeasurementOfFinancialInstruments
696	Disclosure of reclassifications or changes in presentation [table]	Table	*	*	ifrs-full:DisclosureOfReclassificationsOrChangesInPresentationTable
697	Effect of overlay approach reclassification [axis]	Axis			ifrs-full:EffectOfOverlayApproachReclassificationAxis
698	In accordance with IFRS 9 [member]	Member			ifrs-full:InAccordanceWithIFRS9Member
699	Previously stated [member]	Member			ifrs-full:PreviouslyStatedMember
700	Application of IFRS9 [member]	Member			ugp:ApplicationOfIFRS9Member
701	Classes of financial instruments [axis]	Axis			ifrs-full:ClassesOfFinancialInstrumentsAxis
702	Financial instruments, class [member]	Member			ifrs-full:ClassesOfFinancialInstrumentsMember
703	Cash and bank deposits [member]	Member			ugp:CashAndBankDepositsMember
704	Financial investments local currency [member]	Member			ugp:FinancialInvestmentsLocalCurrencyMember
705	Financial investments foreign currency [member]	Member			ugp:FinancialInvestmentsForeignCurrencyMember
706	Fixed income securities local currency1 [member]	Member			ugp:FixedIncomeSecuritiesLocalCurrency1Member
707	Fixed income securities local currency2 [member]	Member			ugp:FixedIncomeSecuritiesLocalCurrency2Member
708	Fixed income securities local currency3 [member]	Member			ugp:FixedIncomeSecuritiesLocalCurrency3Member
709	Fixed income securities foreign currency [member]	Member			ugp:FixedIncomeSecuritiesForeignCurrencyMember
710	Currency interest rate hedging instruments [member]	Member			ugp:CurrencyInterestRateHedgingInstrumentsMember
711	Disclosure of reclassifications or changes in presentation [line items]	LineItems			ifrs-full:DisclosureOfReclassificationsOrChangesInPresentationLineItems
712	Category	Concept (Text/String)	For Period		ugp:CategoryOfFinancialAssetsAndLiabilities
713	Carrying value	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssets
714	Measured at fair value through profit or loss	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentFinancialAssetsAtFairValueThroughProfitOrLoss
715	Measured at fair value through other comprehensive income	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome
716	Measured at amortized cost	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentFinancialAssetsAtAmortisedCost
717	1080 - Disclosure - Presentation of Financial Statements and Summary of Significant Accounting Policies - Summary of Impacts of Adoption - Statements of Financial Position (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosurePresentationOfFinancialStatementsAndSummaryOfSignificantAccountingPoliciesSummaryOfImpactsOfAdoptionStatementsOfFinancialPosition
718	Disclosure of expected impact of initial application of new standards or interpretations [table]	Table	*	*	ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsTable
719	Retrospective application and retrospective restatement [axis]	Axis			ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
720	Currently stated [member]	Member			ifrs-full:RestatedMember
721	Previously stated [member]	Member			ifrs-full:PreviouslyStatedMember
722	Increase (decrease) due to changes in accounting policy [member]	Member			ifrs-full:FinancialEffectOfChangesInAccountingPolicyMember
723	New IFRSs [axis]	Axis			ifrs-full:NewIFRSsAxis
724	New IFRSs [member]	Member			ifrs-full:NewIFRSsMember
725	IFRS9 [member]	Member			ugp:IFRS9Member
726	IFRS 15 [member]	Member			ugp:IFRS15Member
727	Effect of overlay approach reclassification [axis]	Axis			ifrs-full:EffectOfOverlayApproachReclassificationAxis
728	In accordance with IFRS 9 [member]	Member			ifrs-full:InAccordanceWithIFRS9Member
729	Effect of overlay approach reclassification [member]	Member			ifrs-full:EffectOfOverlayApproachReclassificationMember
730	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
731	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
732	Chevron Brasil Lubrificantes S A [member]	Member			ugp:ChevronBrasilLubrificantesMember
733	Disclosure of expected impact of initial application of new standards or interpretations [line items]	LineItems			ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsLineItems
734	Current assets	Abstract			ifrs-full:CurrentAssetsAbstract
735	Trade receivables and reseller financing	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentTradeReceivables
736	Inventories	Concept (Monetary)	As Of	Debit	ifrs-full:Inventories
737	Contractual assets with customers - exclusive rights	Concept (Monetary)	As Of	Debit	ugp:CurrentContractualAssetsWithCustomersExclusiveRights
738	Other current assets	Concept (Monetary)	As Of	Debit	ifrs-full:OtherCurrentAssets
739	Current assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentAssets
740	Non-current assets	Abstract			ifrs-full:NoncurrentAssetsAbstract
741	Contractual assets with customers - exclusive rights	Concept (Monetary)	As Of	Debit	ugp:NonCurrentContractualAssetsWithCustomersExclusiveRights
742	Deferred income and social contribution taxes	Concept (Monetary)	As Of	Debit	ifrs-full:DeferredTaxAssets
743	Other non-currentassets	Concept (Monetary)	As Of	Debit	ifrs-full:OtherNoncurrentAssets
744	Total long term assets	Concept (Monetary)	As Of	Debit	ugp:LongTermAssets
745	Investments	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentsInSubsidiariesJointVenturesAndAssociates
746	Property, plant, and equipment	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
747	Intangible assets	Concept (Monetary)	As Of	Debit	ifrs-full:IntangibleAssetsOtherThanGoodwill
748	Total non-current assets	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentAssets
749	Total assets	Concept (Monetary)	As Of	Debit	ifrs-full:Assets
750	Current liabilities	Abstract			ifrs-full:CurrentLiabilitiesAbstract
751	Taxes payable	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherCurrentPayables
752	Other current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:OtherCurrentLiabilities
753	Current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentLiabilities
754	Non-current liabilities	Abstract			ifrs-full:NoncurrentLiabilitiesAbstract
755	Deferred income and social contribution taxes	Concept (Monetary)	As Of	Credit	ugp:IncomeAndSocialContributionTaxesPayable
756	Other non-currentassets	Concept (Monetary)	As Of	Credit	ifrs-full:OtherNoncurrentLiabilities
757	Total non-currentliabilities	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentLiabilities
758	Equity	Abstract			ifrs-full:EquityAbstract
759	Profit reserves	Concept (Monetary)	As Of	Credit	ifrs-full:ReserveOfDiscretionaryParticipationFeatures
760	Valuation adjustments	Concept (Monetary)	As Of	Credit	ugp:EquityValuationAdjustments
761	Other equity items	Concept (Monetary)	As Of	Credit	ugp:OtherEquityItems
762	Equity attributable to:	Abstract			ugp:ShareholdersEquityAttributableToAbstract
763	Shareholders of the Company	Concept (Monetary)	As Of	Credit	ifrs-full:EquityAttributableToOwnersOfParent
764	Non-controlling interests in subsidiaries	Concept (Monetary)	As Of	Credit	ifrs-full:NoncontrollingInterests
765	Total equity	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
766	Total liabilities and equity	Concept (Monetary)	As Of	Credit	ifrs-full:EquityAndLiabilities
767	1081 - Disclosure - Presentation of Financial Statements and Summary of Significant Accounting Policies - Summary of Impacts of Adoption - Statements of Profit or Loss (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosurePresentationOfFinancialStatementsAndSummaryOfSignificantAccountingPoliciesSummaryOfImpactsOfAdoptionStatementsOfProfitOrLoss
768	Disclosure of expected impact of initial application of new standards or interpretations [table]	Table	*	*	ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsTable
769	Retrospective application and retrospective restatement [axis]	Axis			ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
770	Currently stated [member]	Member			ifrs-full:RestatedMember
771	Previously stated [member]	Member			ifrs-full:PreviouslyStatedMember
772	Increase (decrease) due to changes in accounting policy [member]	Member			ifrs-full:FinancialEffectOfChangesInAccountingPolicyMember
773	After adoption IFRS 9 and 15 [member]	Member			ugp:AfterAdoptionMember
774	New IFRSs [axis]	Axis			ifrs-full:NewIFRSsAxis
775	New IFRSs [member]	Member			ifrs-full:NewIFRSsMember
776	IFRS9 [member]	Member			ugp:IFRS9Member
777	IFRS 15 [member]	Member			ugp:IFRS15Member
778	Effect of overlay approach reclassification [axis]	Axis			ifrs-full:EffectOfOverlayApproachReclassificationAxis
779	In accordance with IFRS 9 [member]	Member			ifrs-full:InAccordanceWithIFRS9Member
780	Effect of overlay approach reclassification [member]	Member			ifrs-full:EffectOfOverlayApproachReclassificationMember
781	Disclosure of expected impact of initial application of new standards or interpretations [line items]	LineItems			ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsLineItems
782	Net revenue from sales and services	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
783	Cost of products and services sold	Concept (Monetary)	For Period	Debit	ifrs-full:CostOfSales
784	Gross profit	Concept (Monetary)	For Period	Credit	ifrs-full:GrossProfit
785	Operating income (expenses)	Abstract			ugp:OperatingIncomeExpensesAbstract
786	Selling and marketing	Concept (Monetary)	For Period	Debit	ifrs-full:SellingGeneralAndAdministrativeExpense
787	Other operating income (expenses) items	Concept (Monetary)	For Period	Credit	ifrs-full:OtherOperatingIncomeExpense
788	Operating income before financial income (expenses) and share of profit (loss) of joint ventures and associates	Concept (Monetary)	For Period	Credit	ugp:OperatingIncomeBeforeFinancialIncomeExpensesAndShareOfProfitLossOfJointVenturesAndAssociates
789	Financial result, net	Concept (Monetary)	For Period	Credit	ifrs-full:FinanceIncome
790	Share of profit of joint ventures and associates	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
791	Income before income and social contribution taxes	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossBeforeTax
792	Income and social contribution taxes	Abstract			ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
793	Current	Concept (Monetary)	For Period	Debit	ifrs-full:CurrentTaxExpenseIncome
794	Deferred	Concept (Monetary)	For Period	Debit	ifrs-full:DeferredTaxExpenseIncome
795	Tax expense (income)	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxExpenseContinuingOperations
796	Net income for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
797	Net income for the year attributable to:	Abstract			ifrs-full:ProfitLossAttributableToAbstract
798	Shareholders of the Company	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToOwnersOfParent
799	Non-controlling interests in subsidiaries	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToNoncontrollingInterests
800	Net income for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
801	Earnings per share (based on weighted average number of shares outstanding) -	Abstract			ifrs-full:EarningsPerShareAbstract
802	Basic	Concept (Share)	For Period		ifrs-full:BasicEarningsLossPerShare
803	Diluted	Concept (Share)	For Period		ifrs-full:DilutedEarningsLossPerShare
804	1082 - Disclosure - Presentation of Financial Statements and Summary of Significant Accounting Policies - Summary of Impacts of Adoption - Statements of Cash Flows (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosurePresentationOfFinancialStatementsAndSummaryOfSignificantAccountingPoliciesSummaryOfImpactsOfAdoptionStatementsOfCashFlows
805	Disclosure of expected impact of initial application of new standards or interpretations [table]	Table	*	*	ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsTable
806	New IFRSs [axis]	Axis			ifrs-full:NewIFRSsAxis
807	New IFRSs [member]	Member			ifrs-full:NewIFRSsMember
808	IFRS9 [member]	Member			ugp:IFRS9Member
809	IFRS 15 [member]	Member			ugp:IFRS15Member
810	Effect of overlay approach reclassification [axis]	Axis			ifrs-full:EffectOfOverlayApproachReclassificationAxis
811	In accordance with IFRS 9 [member]	Member			ifrs-full:InAccordanceWithIFRS9Member
812	Effect of overlay approach reclassification [member]	Member			ifrs-full:EffectOfOverlayApproachReclassificationMember
813	Retrospective application and retrospective restatement [axis]	Axis			ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
814	Currently stated [member]	Member			ifrs-full:RestatedMember
815	Previously stated [member]	Member			ifrs-full:PreviouslyStatedMember
816	Increase (decrease) due to changes in accounting policy [member]	Member			ifrs-full:FinancialEffectOfChangesInAccountingPolicyMember
817	After adoption IFRS 9 and 15 [member]	Member			ugp:AfterAdoptionMember
818	Disclosure of expected impact of initial application of new standards or interpretations [line items]	LineItems			ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsLineItems
819	Cash flows from operating activities	Abstract			ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
820	Net income for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
821	Adjustments to reconcile net income to cash provided by operating activities	Abstract			ifrs-full:AdjustmentsForReconcileProfitLossAbstract
822	Share of loss (profit) of joint ventures and associates	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
823	Amortization of contractual assets with customers - exclusive rights	Concept (Monetary)	For Period	Debit	ifrs-full:AmortisationAssetsRecognisedFromCostsIncurredToObtainOrFulfilContractsWithCustomers
824	Depreciation and amortization	Concept (Monetary)	For Period	Debit	ifrs-full:DepreciationExpense
825	PIS and COFINS credits on depreciation	Concept (Monetary)	For Period	Credit	ugp:CreditsOnDepreciation
826	Asset retirement obligation	Concept (Monetary)	For Period	Credit	ugp:AdjustmentsForAssetRetirementObligation
827	Interest, monetary, and foreign exchange rate variations	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForUnrealisedForeignExchangeLossesGains
828	Deferred income and social contribution taxes	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDeferredTaxExpense
829	(Gain) loss on disposal of property, plant and equipment and intangibles	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets
830	Estimated credit losses on doubtful accounts	Concept (Monetary)	For Period	Debit	ugp:AdjustmentsForEstimatedLossesOnDoubtfulAccounts
831	Provision for losses in inventories	Concept (Monetary)	For Period	Debit	ugp:AdjustmentsForProvisionForLossesInInventories
832	Provision for post-employment benefits	Concept (Monetary)	For Period	Debit	ugp:AdjustmentsForProvisionForPostemploymentBenefits
833	Other provisions and adjustments	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForIncreaseInOtherProvisionsArisingFromPassageOfTime
834	Adjustments, total	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForReconcileProfitLoss
835	(Increase) decrease in current assets	Abstract			ugp:IncreaseDecreaseInCurrentAssetsAbstract
836	Trade receivables and reseller financing	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable
837	Inventories	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDecreaseIncreaseInInventories
838	Other current asset items	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDecreaseIncreaseInOtherCurrentAssets
839	Increase (decrease) in current liabilities	Abstract			ugp:IncreaseDecreaseInCurrentLiabilitiesAbstract
840	Taxes payable	Concept (Monetary)	For Period	Credit	ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities
841	Insurance and other payables	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForIncreaseDecreaseInInsuranceReinsuranceAndInvestmentContractLiabilities
842	Other current liabilities items	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities
843	(Increase) decrease in non-current assets	Abstract			ugp:IncreaseDecreaseInNonCurrentAssetsAbstract
844	Other non-current asset items	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDecreaseIncreaseInOtherAssets
845	Increase (decrease) in non-current liabilities	Abstract			ugp:IncreaseDecreaseInNonCurrentLiabilitiesAbstract
846	Post-employment benefits	Concept (Monetary)	For Period	Credit	ugp:AdjustmentsForIncreaseDecreaseInPostEmploymentBenefitsNonCurrent
847	Other non-current liabilities items	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForIncreaseDecreaseInOtherLiabilities
848	Payments of contractual assets with customers - exclusive rights	Concept (Monetary)	For Period	Credit	ugp:AdjustmentsForPaymentsOfContractualAssetsWithCustomersExclusiveRightsNoncurrent
849	Income and social contribution taxes paid	Concept (Monetary)	For Period	Credit	ugp:AdjustmentsForIncreaseDecreaseInIncomeAndSocialContributionTaxesPaidNoncurrent
850	Net cash provided by operating activities	Concept (Monetary)	For Period		ifrs-full:CashFlowsFromUsedInOperatingActivities
851	Cash flows from investing activities	Abstract			ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
852	Acquisition of property, plant, and equipment	Concept (Monetary)	For Period	Credit	ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
853	Acquisition of intangible assets	Concept (Monetary)	For Period	Credit	ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities
854	Other investing activities items	Concept (Monetary)	For Period	Debit	ifrs-full:OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities
855	Net cash used in investing activities	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInInvestingActivities
856	Net cash provided by financing activities	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInFinancingActivities
857	Effect of exchange rate changes on cash and cash equivalents in foreign currency	Concept (Monetary)	For Period	Debit	ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
858	Increase in cash and cash equivalents	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges
859	Cash and cash equivalents at the beginning of the year	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
860	Cash and cash equivalents at the end of the year	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
861	1083 - Disclosure - Presentation of Financial Statements and Summary of Significant Accounting Policies- Summary of he Range Of Estimated Impacts On the Adoption Of the Ifrs 16 (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosurePresentationOfFinancialStatementsAndSummaryOfSignificantAccountingPoliciesSummaryOfHeRangeOfEstimatedImpactsOnTheAdoptionOfTheIfrs16
862	Disclosure of changes in accounting estimates [table]	Table	*	*	ifrs-full:DisclosureOfChangesInAccountingEstimatesTable
863	New IFRSs [axis]	Axis			ifrs-full:NewIFRSsAxis
864	New IFRSs [member]	Member			ifrs-full:NewIFRSsMember
865	IFRS 16 [member]	Member			ugp:IFRS16Member
866	Retrospective application and retrospective restatement [axis]	Axis			ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
867	Currently stated [member]	Member			ifrs-full:RestatedMember
868	Increase (decrease) due to changes in accounting policy [member]	Member			ifrs-full:FinancialEffectOfChangesInAccountingPolicyMember
869	Disclosure of changes in accounting estimates [line items]	LineItems			ifrs-full:DisclosureOfChangesInAccountingEstimatesLineItems
870	Current assets	Abstract			ifrs-full:CurrentAssetsAbstract
871	Prepaid expenses	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentPrepaidExpenses
872	Non-current assets	Abstract			ifrs-full:NoncurrentAssetsAbstract
873	Prepaid expenses	Concept (Monetary)	As Of	Debit	ugp:NoncurrentPrepaidExpenses
874	Right of use assets	Concept (Monetary)	As Of	Debit	ifrs-full:RightofuseAssets
875	Intangible assets	Concept (Monetary)	As Of	Debit	ifrs-full:IntangibleAssetsOtherThanGoodwill
876	Total assets	Concept (Monetary)	As Of	Debit	ifrs-full:Assets
877	Current liabilities	Abstract			ifrs-full:CurrentLiabilitiesAbstract
878	Lease contracts payable	Concept (Monetary)	As Of	Credit	ugp:LeaseContractsPayableCurrent
879	Non-current liabilities	Abstract			ifrs-full:NoncurrentLiabilitiesAbstract
880	Lease contracts payable	Concept (Monetary)	As Of	Credit	ugp:LeaseContractsPayableNonCurrent
881	Total liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:Liabilities
882	1084 - Disclosure - Principles of Consolidation, Investments in Subsidiaries and Unrealized Acquisition - Summary Of Consolidated Financial Statements Of direct and Indirect Subsidiaries (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosurePrinciplesOfConsolidationInvestmentsInSubsidiariesAndUnrealizedAcquisitionSummaryOfConsolidatedFinancialStatementsOfDirectAndIndirectSubsidiaries
883	Summary of subsidiaries [table]	Table	*	*	ugp:SummaryOfSubsidiariesTable
884	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
885	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
886	IPP [member]	Member			ugp:IpirangaProdutosDePetroleoSAMember
887	am/pm Comestveis Ltda [member]	Member			ugp:AmPmComestveisLtdaMember
888	Centro de Convenincias Millennium Ltda [member]	Member			ugp:CentroDeConveninciasMillenniumLtdaMember
889	Icorban Correspondente Bancrio Ltda [member]	Member			ugp:IcorbanCorrespondenteBancarioLtdaMember
890	Ipiranga Trading Limited [member]	Member			ugp:IpirangaTradingLimitedMember
891	Tropical Transportes Ipiranga Ltda [member]	Member			ugp:TropicalTransportesIpirangaLtdaMember
892	Ipiranga Imobiliria Ltda [member]	Member			ugp:IpirangaImobiliriaLtdaMember
893	Ipiranga Logstica Ltda [member]	Member			ugp:IpirangaLogsticaLtdaMember
894	Oil Trading Importadora e Exportadora Ltda [member]	Member			ugp:OilTradingImportadoraExportadoraLtdaMember
895	Iconic Lubrificantes S.A [member]	Member			ugp:IconicLubrificantesSAMember
896	Ipiranga Lubrificantes S A [member]	Member			ugp:IpirangaLubrificantesMember
897	Integra Frotas Ltda [member]	Member			ugp:IntegraFrotasLtdaMember
898	Companhia Ultragaz S A [member]	Member			ugp:CompanhiaUltragazMember
899	Ultragaz Comercial Ltda [member]	Member			ugp:UltragazComercialLtdaMember
900	Bahiana Distribuidora De Gas Ltda [member]	Member			ugp:BahianaDistribuidoraDeGasLtdaMember
901	Utingas Armazenadora S.A. [member]	Member			ugp:UtingasArmazenadoraMember
902	L p g international inc [member]	Member			ugp:LPGInternationalIncMember
903	Imaven Imoveis Ltda [member]	Member			ugp:ImavenImoveisLtdaMember
904	Imifarma Produtos Farmaceuticos e Cosmeticos S A [member]	Member			ugp:ImifarmaProdutosFarmaceuticosCosmeticosMember
905	Oxiteno S. A. Industria e Comercio [member]	Member			ugp:OxitenoIndustriaComercioMember
906	Oxiteno Nordeste SAIndustriae Com�rcio [member]	Member			ugp:OxitenoNordesteSAIndustriaeComercioMember
907	Oxiteno Argentina Sociedad de Responsabilidad Ltda [member]	Member			ugp:OxitenoArgentinaSociedadDeResponsabilidadLtdaMember
908	Oleoqu�mica Industriae Com�rcio De Produtos Qu�micos Ltda [member]	Member			ugp:OleoqumicaIndustriaeComrcioDeProdutosQumicosLtdaMember
909	Oxiteno Uruguay SA [member]	Member			ugp:OxitenoUruguaySAMember
910	Oxiteno M�xico SA de CV [member]	Member			ugp:OxitenoMexicoSADeCVMember
911	Oxiteno Servicios Corporativos SA de CV [member]	Member			ugp:OxitenoServiciosCorporativosSADeCVMember
912	Oxiteno Servicios Industriales de CV [member]	Member			ugp:OxitenoServiciosIndustrialsDeCVMember
913	Oxiteno USA LLC [member]	Member			ugp:OxitenoUSALLCMember
914	Global petroleum products trading corporation [member]	Member			ugp:GlobalPetroleumProductsTradingCorporationMember
915	Oxiteno Andina, CA [member]	Member			ugp:OxitenoAndinaCAMember
916	Oxiteno Europe SPRL [member]	Member			ugp:OxitenoEuropeSprlMember
917	Oxiteno Colombia S A S [member]	Member			ugp:OxitenoColombiaSASMember
918	Oxiteno Shanghai LTD [member]	Member			ugp:OxitenoShanghaiLtdMember
919	Empresa Carioca de Produtos Quimicos S A [member]	Member			ugp:EmpresaCariocaDeProdutosQuimicosSAMember
920	Ultracargo Operacoes Logisticas e Participacoes Ltda [member]	Member			ugp:UltracargoOperacoesLogisticasParticipacoesLtdaMember
921	Terminal Quimico De Aratu SATequimar [member]	Member			ugp:TerminalQuimicoDeAratuSATequimarMember
922	TEAS Terminal Exportador de Alcool de Santos Ltda. [member]	Member			ugp:TEASTerminalExportadorDeAlcoolDeSantosLtdaMember
923	Ultrapar international sa [member]	Member			ugp:UltraparInternationalSAMember
924	SERMA Ass dos usuarios equip proc de dados [member]	Member			ugp:SermaAssDosUsuariosEquipProcDeDadosMember
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927	Location	Concept (Text/String)	For Period		ugp:Location
928	Segment	Concept (Text/String)	For Period		ugp:BusinessSegment
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930	Indirect control	Concept (Percent)	For Period		ugp:IndirectControlInterestPercentage
931	1085 - Disclosure - Principles of Consolidation, Investments in Subsidiaries and Unrealized - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosurePrinciplesOfConsolidationInvestmentsInSubsidiariesAndUnrealizedAdditionalInformation
932	Disclosure of detailed information about business combination [table]	Table	*	*	ifrs-full:DisclosureOfBusinessCombinationsTable
933	Business combinations [axis]	Axis			ifrs-full:BusinessCombinationsAxis
934	Entity's total for business combinations [member]	Member			ifrs-full:EntitysTotalForBusinessCombinationsMember
935	TEAS Terminal Exportador de Alcool de Santos Ltda. [member]	Member			ugp:TEASTerminalExportadorDeAlcoolDeSantosLtdaMember
936	Disclosure of detailed information about business combination [line items]	LineItems			ifrs-full:DisclosureOfBusinessCombinationsLineItems
937	Percentage of equity interests acquired	Concept (Percent)	As Of		ifrs-full:PercentageOfVotingEquityInterestsAcquired
938	Proportion of voting rights held by non-controlling interests	Concept (Percent)	For Period		ifrs-full:ProportionOfVotingRightsHeldByNoncontrollingInterests
939	Goodwill	Concept (Monetary)	As Of	Debit	ifrs-full:GoodwillRecognisedAsOfAcquisitionDate
940	Total consideration	Concept (Monetary)	As Of	Credit	ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred
941	Goodwill	Concept (Monetary)	As Of	Debit	ifrs-full:Goodwill
942	Non-compliance fine paid	Concept (Monetary)	For Period	Debit	ugp:AmountOfFinePaid
943	1086 - Disclosure - Principles of Consolidation, Investments in Subsidiaries and Unrealized Acquisition - Fair value of acquired assets and liabilities assumed in acquisition (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosurePrinciplesOfConsolidationInvestmentsInSubsidiariesAndUnrealizedAcquisitionFairValueOfAcquiredAssetsAndLiabilitiesAssumedInAcquisition
944	Disclosure of detailed information about financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfFinancialInstrumentsTable
945	Business combinations [axis]	Axis			ifrs-full:BusinessCombinationsAxis
946	Entity's total for business combinations [member]	Member			ifrs-full:EntitysTotalForBusinessCombinationsMember
947	Acquisition date [member]	Member			ugp:AcquisitionDateMember
948	TEAS Terminal Exportador de Alcool de Santos Ltda. [member]	Member			ugp:TEASTerminalExportadorDeAlcoolDeSantosLtdaMember
949	Transactions recognised separately from acquisition of assets and assumption of liabilities in business combination [axis]	Axis			ifrs-full:TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationAxis
950	Transactions recognised separately from acquisition of assets and assumption of liabilities in business combination [member]	Member			ifrs-full:TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationMember
951	Temporary amount [member]	Member			ugp:TemporaryAmountMember
952	Adjustments [member]	Member			ugp:AdjustmentsMember
953	Summary of assets and liabilities fair value [line items]	LineItems			ugp:SummaryOfAssetsAndLiabilitiesFairValueLineItems
954	Cash and cash equivalents	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
955	Deferred income and social contribution taxes	Concept (Monetary)	As Of	Debit	ugp:DeferredIncomeAndSocialContributionTaxAssets
956	Trade receivables	Concept (Monetary)	As Of	Debit	ifrs-full:TradeReceivables
957	Inventories	Concept (Monetary)	As Of	Debit	ifrs-full:Inventories
958	Recoverable taxes	Concept (Monetary)	As Of	Debit	ugp:RecoverableTaxes
959	Other receivables	Concept (Monetary)	As Of	Debit	ifrs-full:OtherAssets
960	Current assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentAssets
961	Trade payables	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherCurrentPayables
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963	Contingent consideration	Concept (Monetary)	As Of	Credit	ugp:ContingentConsideration
964	Taxes payable	Concept (Monetary)	As Of	Credit	ugp:IncomeAndSocialContributionTaxesPayable
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966	Current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentLiabilities
967	Related parties	Concept (Monetary)	As Of	Debit	ugp:RelatedPartiesNoncurrentAssets
968	Indemnity asset	Concept (Monetary)	As Of	Debit	ugp:IndemnityAsset
969	Escrow deposits	Concept (Monetary)	As Of	Debit	ifrs-full:LongtermDeposits
970	Other receivables	Concept (Monetary)	As Of	Debit	ifrs-full:OtherReceivables
971	Property, plant, and equipment	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
972	Intangible assets	Concept (Monetary)	As Of	Debit	ifrs-full:IntangibleAssetsOtherThanGoodwill
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974	Provision for tax, civil, and labor risks	Concept (Monetary)	As Of	Credit	ugp:ProvisionForTaxCivilAndLaborRisks
975	Deferred income and social contribution taxes	Concept (Monetary)	As Of	Credit	ifrs-full:OtherNoncurrentPayables
976	Post-employment benefits	Concept (Monetary)	As Of	Credit	ugp:PostemploymentBenefitsNoncurrent
977	Noncurrent liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentLiabilities
978	Total assets acquired	Concept (Monetary)	As Of	Debit	ugp:TotalAssetsAcquired
979	Goodwill	Concept (Monetary)	As Of	Debit	ifrs-full:Goodwill
980	Total assets acquired and goodwill	Concept (Monetary)	As Of	Debit	ugp:TotalAssetsAcquiredAndGoodwill
981	Total liabilities assumed	Concept (Monetary)	As Of	Credit	ifrs-full:Liabilities
982	Participation of non-controlling interests	Concept (Monetary)	As Of	Credit	ifrs-full:NoncontrollingInterests
983	Consideration transferred	Concept (Monetary)	As Of	Credit	ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred
984	Consideration transferred	Concept (Monetary)	As Of	Credit	ugp:TemporaryConsiderationTransferred
985	1087 - Disclosure - Principles of Consolidation, Investments in Subsidiaries and Acquisition - Summary of identification of assets and liabilities, intangible assets, not recognized in acquired entity's book (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosurePrinciplesOfConsolidationInvestmentsInSubsidiariesAndAcquisitionSummaryOfIdentificationOfAssetsAndLiabilitiesIntangibleAssetsNotRecognizedInAcquiredEntitysBook
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987	Classes of intangible assets other than goodwill [axis]	Axis			ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
988	Intangible assets other than goodwill [member]	Member			ifrs-full:IntangibleAssetsOtherThanGoodwillMember
989	Commercial property rights [member]	Member			ugp:CommercialPropertyRightsMember
990	Portfolio and customers' relationship [member]	Member			ugp:PortfolioAndCustomersRelationshipMember
991	Transactions recognised separately from acquisition of assets and assumption of liabilities in business combination [axis]	Axis			ifrs-full:TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationAxis
992	Transactions recognised separately from acquisition of assets and assumption of liabilities in business combination [member]	Member			ifrs-full:TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationMember
993	Adjustments [member]	Member			ugp:AdjustmentsMember
994	Disclosure of detailed information about financial instruments [line items]	LineItems			ifrs-full:DisclosureOfFinancialInstrumentsLineItems
995	Intangible assets other than goodwill	Concept (Monetary)	As Of	Debit	ifrs-full:IntangibleAssetsOtherThanGoodwill
996	Finite Lived Intangible Asset, Estimated Useful Life	Concept (xbrli:durationItemType)	For Period		ugp:FiniteLivedIntangibleAssetEstimatedUsefulLife
997	1088 - Disclosure - Principles of Consolidation, Investments in Subsidiaries, Acquisitions Under Approval and Business Combination - Summary of goodwill (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosurePrinciplesOfConsolidationInvestmentsInSubsidiariesAcquisitionsUnderApprovalAndBusinessCombinationSummaryOfGoodwill
998	Disclosure of reconciliation of changes in goodwill [table]	Table	*	*	ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillTable
999	Transactions recognised separately from acquisition of assets and assumption of liabilities in business combination [axis]	Axis			ifrs-full:TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationAxis
1000	Transactions recognised separately from acquisition of assets and assumption of liabilities in business combination [member]	Member			ifrs-full:TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationMember
1001	Temporary amount [member]	Member			ugp:TemporaryAmountMember
1002	Adjustments [member]	Member			ugp:AdjustmentsMember
1003	Business combinations [axis]	Axis			ifrs-full:BusinessCombinationsAxis
1004	Entity's total for business combinations [member]	Member			ifrs-full:EntitysTotalForBusinessCombinationsMember
1005	Acquisition date [member]	Member			ugp:AcquisitionDateMember
1006	TEAS Terminal Exportador de Alcool de Santos Ltda. [member]	Member			ugp:TEASTerminalExportadorDeAlcoolDeSantosLtdaMember
1007	Summary of principles of consolidation [line items]	LineItems			ugp:SummaryOfPrinciplesOfConsolidationLineItems
1008	Consideration transferred	Concept (Monetary)	As Of	Credit	ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred
1009	Total assets acquired	Concept (Monetary)	As Of	Debit	ugp:TotalAssetsAcquired
1010	Total liabilities assumed	Concept (Monetary)	As Of	Credit	ifrs-full:Liabilities
1011	Non-controllinginterest	Concept (Monetary)	As Of	Credit	ifrs-full:NoncontrollingInterests
1012	Goodwill	Concept (Monetary)	As Of	Debit	ifrs-full:Goodwill
1013	1089 - Disclosure - Principles of Consolidation, Investments in Subsidiaries, Acquisitions Under Approval and Business Combination - Consolidated information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosurePrinciplesOfConsolidationInvestmentsInSubsidiariesAcquisitionsUnderApprovalAndBusinessCombinationConsolidatedInformation
1014	Disclosure of reconciliation of changes in goodwill [table]	Table	*	*	ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillTable
1015	Business combinations [axis]	Axis			ifrs-full:BusinessCombinationsAxis
1016	Entity's total for business combinations [member]	Member			ifrs-full:EntitysTotalForBusinessCombinationsMember
1017	TEAS Terminal Exportador de Alcool de Santos Ltda. [member]	Member			ugp:TEASTerminalExportadorDeAlcoolDeSantosLtdaMember
1018	Summary of principles of consolidation [line items]	LineItems			ugp:SummaryOfPrinciplesOfConsolidationLineItems
1019	Net revenue from sales and services	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueOfAcquiree
1020	Operating income	Concept (Monetary)	For Period	Debit	ugp:OperatingIncomeAcquiree
1021	Net income for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossOfAcquiree
1022	Earnings per share basic - whole R$ (see Note 31)	Concept (Share)	For Period		ugp:BasicEarningsLossPerShareAcquiree
1023	Earnings per share diluted - whole R$ (see Note 31)	Concept (Share)	For Period		ugp:DilutedEarningsLossPerShareAcquiree
1024	1090 - Disclosure - Cash and Cash Equivalents and Financial Investments - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureCashAndCashEquivalentsAndFinancialInvestmentsAdditionalInformation
1025	Implied Table	Table	*	*	implied:Table
1026	Cash and cash equivalents and financial investments details narrative [abstract]	Abstract			ugp:CashAndCashEquivalentsAndFinancialInvestmentsDetailsNarrativeAbstract
1027	Cash, cash equivalents, and financial investments	Concept (Monetary)	As Of	Debit	ugp:CashCashEquivalentsAndFinancialInvestments
1028	1091 - Disclosure - Cash and Cash Equivalents and Financial Investments - Cash and cash equivalents (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureCashAndCashEquivalentsAndFinancialInvestmentsCashAndCashEquivalents
1029	Implied Table	Table	*	*	implied:Table
1030	Cash and cash equivalents and financial investments details [abstract]	Abstract			ugp:CashAndCashEquivalentsAndFinancialInvestmentsDetailsAbstract
1031	Cash and bank deposits In local currency	Concept (Monetary)	As Of	Credit	ugp:CashAndBankDepositsInLocalCurrency
1032	In foreign currency	Concept (Monetary)	As Of	Credit	ugp:CashAndBankDepositsInForeignCurrency
1033	Fixed-income securities	Concept (Monetary)	As Of	Credit	ugp:FinancialInvestmentsConsideredCashEquivalentsInLocalCurrency
1034	Fixed-income securities	Concept (Monetary)	As Of	Credit	ugp:FinancialInvestmentsConsideredCashEquivalentsInForeignCurrency
1035	Total cash and cash equivalents	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
1036	1092 - Disclosure - Cash and Cash Equivalents and Financial Investments - Financial investments (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureCashAndCashEquivalentsAndFinancialInvestmentsFinancialInvestments
1037	Implied Table	Table	*	*	implied:Table
1038	Cash and cash equivalents and financial investments details1 [abstract]	Abstract			ugp:CashAndCashEquivalentsAndFinancialInvestmentsDetails1Abstract
1039	Financial investments in local currency, fixed-income securities and funds	Concept (Monetary)	As Of	Credit	ugp:FinancialInvestmentsInLocalCurrency
1040	Financial investments in foreign currency, fixed-income securities and funds	Concept (Monetary)	As Of	Credit	ugp:FinancialInvestmentsInForeignCurrency
1041	Currency and interest rate hedging instruments	Concept (Monetary)	As Of	Credit	ugp:CurencyAndInterestRateHedgingInstruments
1042	Total financial investments	Concept (Monetary)	As Of	Debit	ugp:FinancialInvestments
1043	Current	Concept (Monetary)	As Of	Credit	ugp:FinancialInvestmentsCurrent
1044	Non-current	Concept (Monetary)	As Of	Credit	ugp:FinancialInvestmentsNoncurrent
1045	1093 - Disclosure - Trade Receivables and Reseller Financing - Trade receivables (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureTradeReceivablesAndResellerFinancingTradeReceivables
1046	Disclosure of detailed information about financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfFinancialInstrumentsTable
1047	Trade Receivables [axis]	Axis			ugp:TradeReceivablesAxis
1048	Trade Receivables [domain]	Member			ugp:TradeReceivablesDomain
1049	Domestic customers [member]	Member			ugp:DomesticCustomersMember
1050	foreign customers [member]	Member			ugp:ForeignCustomersMember
1051	Estimated losses on doubtful accounts [member]	Member			ugp:EstimatedLossesOnDoubtfulAccountsMember
1052	Summary of trade receivables [line items]	LineItems			ugp:SummaryOfTradeReceivablesLineItems
1053	Trade receivables	Concept (Monetary)	As Of	Debit	ifrs-full:TradeReceivables
1054	Current	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentTradeReceivables
1055	Non-current	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentTradeReceivables
1056	1094 - Disclosure - Trade Receivables and Reseller Financing - Summary of of Trade Receivables, Gross of Estimated Losses on Doubtful Accounts (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureTradeReceivablesAndResellerFinancingSummaryOfOfTradeReceivablesGrossOfEstimatedLossesOnDoubtfulAccounts
1057	Disclosure of detailed information about financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfFinancialInstrumentsTable
1058	Range [axis]	Axis			ifrs-full:RangeAxis
1059	Ranges [member]	Member			ifrs-full:RangesMember
1060	Current [member]	Member			ifrs-full:CurrentMember
1061	Less than 30 days [member]	Member			ugp:LessThanThirtyDaysMember
1062	From thirty 31 to 60 days [member]	Member			ugp:FromThirtyOneDaysToSixtyDaysMember
1063	From sixty one days to Ninety days [member]	Member			ugp:FromSixtyOneDaysToNinetyDaysMember
1064	From 91 to180 days [member]	Member			ugp:From91To180DaysMember
1065	More than 180 Days [member]	Member			ugp:MoreThanOneEightyDaysMember
1066	Summary of trade receivables [line items]	LineItems			ugp:SummaryOfTradeReceivablesLineItems
1067	Trade receivables, gross of estimated losses on doubtful accounts	Concept (Monetary)	As Of	Debit	ugp:TradeReceivablesGross
1068	1095 - Disclosure - Trade Receivables and Reseller Financing - Breakdown of Estimated Loss on Doubtful Accounts (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureTradeReceivablesAndResellerFinancingBreakdownOfEstimatedLossOnDoubtfulAccounts
1069	Disclosure of detailed information about financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfFinancialInstrumentsTable
1070	Maturity [axis]	Axis			ifrs-full:MaturityAxis
1071	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
1072	Current [member]	Member			ifrs-full:CurrentMember
1073	Less than 30 days [member]	Member			ugp:LessThanThirtyDaysMember
1074	From thirty 31 to 60 days [member]	Member			ugp:FromThirtyOneDaysToSixtyDaysMember
1075	From sixty one days to Ninety days [member]	Member			ugp:FromSixtyOneDaysToNinetyDaysMember
1076	From 91 to180 days [member]	Member			ugp:From91To180DaysMember
1077	More than 180 Days [member]	Member			ugp:MoreThanOneEightyDaysMember
1078	Trade Receivables [axis]	Axis			ugp:TradeReceivablesAxis
1079	Trade Receivables [domain]	Member			ugp:TradeReceivablesDomain
1080	Estimated losses on doubtful accounts [member]	Member			ugp:EstimatedLossesOnDoubtfulAccountsMember
1081	Summary of trade receivables [line items]	LineItems			ugp:SummaryOfTradeReceivablesLineItems
1082	Trade Receivables	Concept (Monetary)	As Of	Debit	ifrs-full:TradeReceivables
1083	1096 - Disclosure - Trade Receivables and Reseller Financing - Composition of Reseller Financing (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureTradeReceivablesAndResellerFinancingCompositionOfResellerFinancing
1084	Disclosure of detailed information about financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfFinancialInstrumentsTable
1085	Trade Receivables [axis]	Axis			ugp:TradeReceivablesAxis
1086	Trade Receivables [domain]	Member			ugp:TradeReceivablesDomain
1087	Reseller Financing - Ipiranga [member]	Member			ugp:ResellerFinancingIpirangaMember
1088	Estimated losses on doubtful accounts [member]	Member			ugp:EstimatedLossesOnDoubtfulAccountsMember
1089	Summary of trade receivables [line items]	LineItems			ugp:SummaryOfTradeReceivablesLineItems
1090	Reseller financing	Concept (Monetary)	As Of	Debit	ugp:ResellerFinancing
1091	Current	Concept (Monetary)	As Of	Debit	ugp:CurrentResellerFinancing
1092	Non-current	Concept (Monetary)	As Of	Debit	ugp:NonCurrentResellerFinancing
1093	1097 - Disclosure - Trade Receivables and Reseller Financing - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureTradeReceivablesAndResellerFinancingAdditionalInformation
1094	Disclosure of detailed information about financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfFinancialInstrumentsTable
1095	Range [axis]	Axis			ifrs-full:RangeAxis
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1098	Top of range [member]	Member			ifrs-full:TopOfRangeMember
1099	Average [member]	Member			ugp:AverageMember
1100	Summary of trade receivables [line items]	LineItems			ugp:SummaryOfTradeReceivablesLineItems
1101	Terms of reseller financing	Concept (xbrli:durationItemType)	For Period		ugp:TermsOfResellerFinancing
1102	Reseller financing rate per month	Concept (Percent)	For Period		ugp:ResellerFinancingRatePerMonth
1103	1098 - Disclosure - Trade Receivables and Reseller Financing - Breakdown of Reseller Financing, Gross of Estimated Losses on Doubtful Accounts (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureTradeReceivablesAndResellerFinancingBreakdownOfResellerFinancingGrossOfEstimatedLossesOnDoubtfulAccounts
1104	Disclosure of detailed information about financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfFinancialInstrumentsTable
1105	Maturity [axis]	Axis			ifrs-full:MaturityAxis
1106	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
1107	Current [member]	Member			ifrs-full:CurrentMember
1108	Less than 30 days [member]	Member			ugp:LessThanThirtyDaysMember
1109	From thirty 31 to 60 days [member]	Member			ugp:FromThirtyOneDaysToSixtyDaysMember
1110	From sixty one days to Ninety days [member]	Member			ugp:FromSixtyOneDaysToNinetyDaysMember
1111	From 91 to180 days [member]	Member			ugp:From91To180DaysMember
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1113	Summary of trade receivables [line items]	LineItems			ugp:SummaryOfTradeReceivablesLineItems
1114	Reseller financing, gross of estimated losses on doubtful accounts	Concept (Monetary)	As Of	Debit	ugp:ResellerFinancingGross
1115	1099 - Disclosure - Trade Receivables and Reseller Financing - Breakdown of Estimated Losses on Doubtful Accounts (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureTradeReceivablesAndResellerFinancingBreakdownOfEstimatedLossesOnDoubtfulAccounts
1116	Disclosure of detailed information about financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfFinancialInstrumentsTable
1117	Maturity [axis]	Axis			ifrs-full:MaturityAxis
1118	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
1119	Current [member]	Member			ifrs-full:CurrentMember
1120	Less than 30 days [member]	Member			ugp:LessThanThirtyDaysMember
1121	From thirty 31 to 60 days [member]	Member			ugp:FromThirtyOneDaysToSixtyDaysMember
1122	From sixty one days to Ninety days [member]	Member			ugp:FromSixtyOneDaysToNinetyDaysMember
1123	From 91 to180 days [member]	Member			ugp:From91To180DaysMember
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1125	Trade Receivables [axis]	Axis			ugp:TradeReceivablesAxis
1126	Trade Receivables [domain]	Member			ugp:TradeReceivablesDomain
1127	Estimated losses on doubtful accounts [member]	Member			ugp:EstimatedLossesOnDoubtfulAccountsMember
1128	Summary of trade receivables [line items]	LineItems			ugp:SummaryOfTradeReceivablesLineItems
1129	Reseller financing	Concept (Monetary)	As Of	Debit	ugp:ResellerFinancing
1130	1100 - Disclosure - Inventories - Composition of Inventories (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureInventoriesCompositionOfInventories
1131	Classes of inventories [table]	Table	*	*	ugp:ClassesOfInventoriesTable
1132	Inventories [axis]	Axis			ugp:InventoriesAxis
1133	Inventories [domain]	Member			ugp:InventoriesDomain
1134	Fuels [member]	Member			ugp:FuelsMember
1135	Finished goods [member]	Member			ugp:FinishedGoodsMember
1136	Work in process [member]	Member			ugp:WorkInProcessMember
1137	Raw Materials [member]	Member			ugp:RawMaterialsMember
1138	Liquified petroleum gas [member]	Member			ugp:LiquifiedPetroleumGasMember
1139	Consumable materials [member]	Member			ugp:ConsumableMaterialsMember
1140	Pharmaceutical hygiene beauty products member	Member			ugp:PharmaceuticalHygieneBeautyProductsMember
1141	Advances to suppliers [member]	Member			ugp:AdvancesToSuppliersMember
1142	Properties for resale [member]	Member			ugp:PropertiesForResaleMember
1143	Summary of inventories [line items]	LineItems			ugp:SummaryOfInventoriesLineItems
1144	Cost	Concept (Monetary)	As Of	Debit	ugp:InventoriesCost
1145	Provision for losses	Concept (Monetary)	As Of	Credit	ugp:ProvisionForLossesInventories
1146	Net balance	Concept (Monetary)	As Of	Debit	ifrs-full:Inventories
1147	1101 - Disclosure - Inventories - Movements in the Provision for Losses (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureInventoriesMovementsInTheProvisionForLosses
1148	Implied Table	Table	*	*	implied:Table
1149	Inventories details 1 [abstract]	Abstract			ugp:InventoriesDetails1Abstract
1150	Provisions for losses, beginning	Concept (Monetary)	As Of	Credit	ugp:InventoriesProvisionForLosses
1151	Additions to net realizable value adjustment	Concept (Monetary)	For Period	Credit	ugp:AdditionsToNetRealizableValueAdjustment
1152	Additions of obsolescence and other losses	Concept (Monetary)	For Period	Credit	ugp:AdditionsToObsolescenceAndOtherLosses
1153	Reversals of obsolescence and other losses	Concept (Monetary)	For Period	Debit	ugp:ReversalsOfObsolescenceAndOtherLosses
1154	Oxiteno Andina	Concept (Monetary)	For Period	Debit	ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossLoansAndAdvances
1155	Provisions for losses, ending	Concept (Monetary)	As Of	Credit	ugp:InventoriesProvisionForLosses
1156	1102 - Disclosure - Inventories - Breakdown of Provision for Losses Related to Inventories (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureInventoriesBreakdownOfProvisionForLossesRelatedToInventories
1157	Implied Table	Table	*	*	implied:Table
1158	Classes of current inventories [abstract]	Abstract			ifrs-full:ClassesOfInventoriesAbstract
1159	Net realizable value adjustment	Concept (Monetary)	As Of	Credit	ugp:NetRealizableValueAdjustment
1160	Obsolescence and other losses	Concept (Monetary)	As Of	Credit	ugp:ObsolescenceAndOtherLosses
1161	Provision for losses related to inventories	Concept (Monetary)	As Of	Credit	ugp:InventoriesProvisionForLosses
1162	1103 - Disclosure - Taxes to Recover - Summary of Recoverable Taxes (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureTaxesToRecoverSummaryOfRecoverableTaxes
1163	Summary of recoverable taxes [table]	Table	*	*	ugp:SummaryOfRecoverableTaxesTable
1164	Taxes [axis]	Axis			ugp:TaxesAxis
1165	Taxes [domain]	Member			ugp:TaxesDomain
1166	ICMS [member]	Member			ugp:ICMSMember
1167	Provision for icms losses [member]	Member			ugp:ProvisionForIcmsLossesMember
1168	PIS and COFINS [member]	Member			ugp:PisAndCofinsMember
1169	Value Added Tax [member]	Member			ugp:ValueAddedTaxMember
1170	Others [member]	Member			ugp:OtherTaxesPayableMember
1171	Summary of recoverable taxes [line items]	LineItems			ugp:SummaryOfRecoverableTaxesLineItems
1172	Recoverable taxes	Concept (Monetary)	As Of	Debit	ugp:RecoverableTaxes
1173	Current	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentTaxAssetsCurrent
1174	Non-current	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentTaxAssetsNoncurrent
1175	1104 - Disclosure - Taxes to Recover - Summary of Provision for ICMS Losses (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureTaxesToRecoverSummaryOfProvisionForICMSLosses
1176	Implied Table	Table	*	*	implied:Table
1177	Summary of recoverable taxes [abstract]	Abstract			ugp:SummaryOfRecoverableTaxesAbstract
1178	Additions, write-offs and reversals, net	Concept (Monetary)	For Period	Debit	ugp:WriteoffsAdditionsReversalsOficmsProvision
1179	Provision for ICMS losses, ending	Concept (Monetary)	As Of	Credit	ugp:ProvisionForicmsLosses
1180	1105 - Disclosure - Taxes to Recover - Summary of Recoverable Income Tax and Social Contribution Taxes (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureTaxesToRecoverSummaryOfRecoverableIncomeTaxAndSocialContributionTaxes
1181	Disclosure of Recoverable Income Tax and Social Contribution Taxes [table]	Table	*	*	ugp:DisclosureOfRecoverableIncomeTaxAndSocialContributionTaxesTable
1182	Taxes [axis]	Axis			ugp:TaxesAxis
1183	Taxes [domain]	Member			ugp:TaxesDomain
1184	IRPJ and CSLL [member]	Member			ugp:IrpjandcsllMember
1185	Disclosure Of Recoverable Income Tax and Social Contribution Taxes [line items]	LineItems			ugp:DisclosureOfRecoverableIncomeTaxAndSocialContributionTaxesLineItems
1186	Recoverable and social contribution taxes	Concept (Monetary)	As Of	Debit	ugp:RecoverableAndSocialContributionTaxes
1187	Current	Concept (Monetary)	As Of	Debit	ugp:CurrentRecoverableIncomeAndSocialContributionTaxes
1188	Non-current	Concept (Monetary)	As Of	Debit	ugp:NonCurrentRecoverableIncomeAndSocialContributionTaxes
1189	1106 - Disclosure - Taxes to Recover - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureTaxesToRecoverAdditionalInformation
1190	Disclosure of Recoverable Income Tax and Social Contribution Taxes [table]	Table	*	*	ugp:DisclosureOfRecoverableIncomeTaxAndSocialContributionTaxesTable
1191	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1192	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
1193	Oxiteno S.A. and Oxiteno Nordeste [member]	Member			ugp:OxitenoSAAndOxitenoNordesteMember
1194	Other Subsidiaries [member]	Member			ugp:OtherSubsidiariesMember
1195	Taxes [axis]	Axis			ugp:TaxesAxis
1196	Taxes [domain]	Member			ugp:TaxesDomain
1197	IRPJ and CSLL [member]	Member			ugp:IrpjandcsllMember
1198	Range [axis]	Axis			ifrs-full:RangeAxis
1199	Ranges [member]	Member			ifrs-full:RangesMember
1200	Top of range [member]	Member			ifrs-full:TopOfRangeMember
1201	Disclosure Of Recoverable Income Tax and Social Contribution Taxes [line items]	LineItems			ugp:DisclosureOfRecoverableIncomeTaxAndSocialContributionTaxesLineItems
1202	Realization of tax credit period	Concept (xbrli:durationItemType)	For Period		ugp:RealizationOfTaxCreditPeriod
1203	1107 - Disclosure - Related Parties - Summary of Subsidiaries and Other Related Parties (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureRelatedPartiesSummaryOfSubsidiariesAndOtherRelatedParties
1204	Summary of related parties [table]	Table	*	*	ugp:SummaryOfRelatedPartiesTable
1205	Associates [axis]	Axis			ifrs-full:SignificantInvestmentsInAssociatesAxis
1206	Entity's total for associates [member]	Member			ifrs-full:EntitysTotalForAssociatesMember
1207	Quimica da bahia Industria e Comercio [member]	Member			ugp:QuimicaDaBahiaIndustriaEcomercioMember
1208	Others [member]	Member			ugp:RelatiedPartiesOtherMember
1209	Oxicap Industria de Gases [member]	Member			ugp:OxicapIndustriaDeGasesMember
1210	Refinaria De Petroleo Rigrandense [member]	Member			ugp:RefinariaDePetroleoRigrandenseMember
1211	ConectCar Solucoes de Mobilidade Eletronica [member]	Member			ugp:ConectCarSolucoesDeMobilidadeEletronicaMember
1212	LA'7 Participaes e Empreend. Imob. Ltda. [member]	Member			ugp:LA7ParticipaesEEmpreendImobLtdaMember
1213	Summary of related parties [line items]	LineItems			ugp:SummaryOfRelatedPartiesLineItems
1214	Loans assets	Concept (Monetary)	As Of	Debit	ugp:LoansAssets
1215	Loans liabilities	Concept (Monetary)	As Of	Credit	ugp:LoansLiabilities
1216	Receivables	Concept (Monetary)	As Of	Debit	ugp:CommercialTransactionsReceivables
1217	Payables	Concept (Monetary)	As Of	Credit	ugp:CommercialTransactionsPayables
1218	Commercial transactions, sales and services	Concept (Monetary)	For Period	Credit	ugp:CommercialTransactionsSalesAndServices
1219	Commercial transactions purchases	Concept (Monetary)	As Of	Debit	ugp:CommercialTransactionsPurchases
1220	Expenses	Concept (Monetary)	As Of	Debit	ugp:CommercialTransactionsExpenses
1221	1108 - Disclosure - Related Parties - Summary of Subsidiaries and Other Related Parties (Parenthetical) (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureRelatedPartiesSummaryOfSubsidiariesAndOtherRelatedPartiesParenthetical
1222	Summary of related parties [table]	Table	*	*	ugp:SummaryOfRelatedPartiesTable
1223	Associates [axis]	Axis			ifrs-full:SignificantInvestmentsInAssociatesAxis
1224	Entity's total for associates [member]	Member			ifrs-full:EntitysTotalForAssociatesMember
1225	LA'7 Participaes e Empreend. Imob. Ltda. [member]	Member			ugp:LA7ParticipaesEEmpreendImobLtdaMember
1226	Summary of related parties [line items]	LineItems			ugp:SummaryOfRelatedPartiesLineItems
1227	Number of drugstores under rental contracts	Concept (Integer)	For Period		ugp:NumberOfDrugstoresUnderRentalContracts
1228	1109 - Disclosure - Related Parties - Summary of Expenses for Compensation of Its Key Executives (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureRelatedPartiesSummaryOfExpensesForCompensationOfItsKeyExecutives
1229	Summary of related parties [table]	Table	*	*	ugp:SummaryOfRelatedPartiesTable
1230	Executive compensation [axis]	Axis			ugp:ExecutiveCompensationAxis
1231	Executive compensation [domain]	Member			ugp:ExecutiveCompensationDomain
1232	Short-term compensation [member]	Member			ugp:ShortTermCompensationMember
1233	Stock compensation [member]	Member			ugp:StockCompensationMember
1234	Post employment benefits [member]	Member			ugp:PostEmploymentBenefitsMember
1235	Long-term compensation [member]	Member			ugp:LongTermCompensationMember
1236	Termination benefit [member]	Member			ugp:TerminationBenefitMember
1237	Summary of related parties [line items]	LineItems			ugp:SummaryOfRelatedPartiesLineItems
1238	Compensation expense of key executives	Concept (Monetary)	For Period	Debit	ifrs-full:KeyManagementPersonnelCompensation
1239	1110 - Disclosure - Related Parties - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureRelatedPartiesAdditionalInformation
1240	Disclosure of related party [table]	Table	*	*	ugp:DisclosureOfRelatedPartyTable
1241	Range [axis]	Axis			ifrs-full:RangeAxis
1242	Ranges [member]	Member			ifrs-full:RangesMember
1243	Bottom of range [member]	Member			ifrs-full:BottomOfRangeMember
1244	Top of range [member]	Member			ifrs-full:TopOfRangeMember
1245	Types of share-based payment arrangements [axis]	Axis			ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1246	Share-based payment arrangements [member]	Member			ifrs-full:SharebasedPaymentArrangementsMember
1247	Deferred stock plan [member]	Member			ugp:DeferredStockUnitPlanMember
1248	Disclosure of related party [line items]	LineItems			ugp:DisclosureOfRelatedPartyLineItems
1249	Deferred stock plan amortization period from grant date	Concept (xbrli:durationItemType)	For Period		ugp:DeferredShareUnitsVestingPeriod
1250	Amortization recognized as general and administrative	Concept (Monetary)	For Period	Debit	ugp:AmortizationRecognizedAsGeneralAndAdministrativeExpense
1251	Period of transfter of ownership shares	Concept (xbrli:durationItemType)	For Period		ugp:PeriodOfTransfterOfOwnershipShares
1252	total common shares approved as incentive ownership plan	Concept (Shares)	As Of		ifrs-full:SharesReservedForIssueUnderOptionsAndContractsForSaleOfShares
1253	Percentage of Common shares may deliver to participants to company's share capital	Concept (Percent)	For Period		ugp:ParticipationPercentageOfShareCapital
1254	General and administrative expense	Concept (Monetary)	For Period	Debit	ifrs-full:GeneralAndAdministrativeExpense
1255	1111 - Disclosure - Related Parties - Summary of Shares granted (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureRelatedPartiesSummaryOfSharesGranted
1256	Summary of related parties [table]	Table	*	*	ugp:SummaryOfRelatedPartiesTable
1257	Types of share-based payment arrangements [axis]	Axis			ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1258	Share-based payment arrangements [member]	Member			ifrs-full:SharebasedPaymentArrangementsMember
1259	Sharebased payment arrangements 1 [member]	Member			ugp:SharebasedPaymentArrangements1Member
1260	Sharebased payment arrangements 2 [member]	Member			ugp:SharebasedPaymentArrangements2Member
1261	Sharebased payment arrangements 3 [member]	Member			ugp:SharebasedPaymentArrangements3Member
1262	Sharebased payment arrangements 4 [member]	Member			ugp:SharebasedPaymentArrangements4Member
1263	Sharebased payment arrangements 5 [member]	Member			ugp:SharebasedPaymentArrangements5Member
1264	Sharebased payment arrangements 6 [member]	Member			ugp:SharebasedPaymentArrangements6Member
1265	Summary of related parties [line items]	LineItems			ugp:SummaryOfRelatedPartiesLineItems
1266	Grant date	Concept (Text/String)	For Period		ifrs-full:DateOfGrantOfSharebasedPaymentArrangement
1267	Balance of number of shares granted	Concept (Decimal)	For Period		ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
1268	Vesting period	Concept (Text/String)	For Period		ifrs-full:DescriptionOfVestingRequirementsForSharebasedPaymentArrangement
1269	Market price of shares on the grant date	Concept (Share)	For Period		ugp:WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPayment
1270	Total grant costs, including taxes	Concept (Monetary)	For Period	Debit	ugp:SharebasedPaymentGrantsCostsIncludingTaxes
1271	Accumulated recognized grant costs	Concept (Monetary)	For Period	Credit	ugp:AccumulatedRecognizedGrantCosts
1272	Accumulated unrecognized grant costs	Concept (Monetary)	For Period	Credit	ugp:AccumulatedUnrecognizedGrantCosts
1273	1112 - Disclosure - Related Parties - Changes of Number of Shares Granted (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureRelatedPartiesChangesOfNumberOfSharesGranted
1274	Implied Table	Table	*	*	implied:Table
1275	Related parties details 3 [abstract]	Abstract			ugp:RelatedPartiesDetails3Abstract
1276	Share granted, beginning	Concept (Shares)	As Of		ugp:ShareOptionsGrantedInSharebasedPaymentArrangement
1277	Shares granted on March 4, 2017	Concept (Shares)	For Period		ugp:ForfeitureOfSharesGranted
1278	Forfeiture of granted shares due to termination of executive employment	Concept (Shares)	For Period		ugp:CancellationOfGrantedSharesDueToTerminationOfExecutiveEmployment
1279	Shares vested and transferred	Concept (Shares)	For Period		ugp:SharesVestedTransferredDuringPeriodSharebasedPaymentArrangement
1280	Share granted, ending	Concept (Shares)	As Of		ugp:ShareOptionsGrantedInSharebasedPaymentArrangement
1281	1113 - Disclosure - Related Parties - Restricted Stock Program (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureRelatedPartiesRestrictedStockProgram
1282	Summary of related parties [table]	Table	*	*	ugp:SummaryOfRelatedPartiesTable
1283	Types of share-based payment arrangements [axis]	Axis			ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1284	Share-based payment arrangements [member]	Member			ifrs-full:SharebasedPaymentArrangementsMember
1285	Restricted program [member]	Member			ugp:RestrictedProgramOneMember
1286	Restricted And Performance Program [member]	Member			ugp:RestrictedAndPerformanceProgramOneMember
1287	Restricted And Performance Program [member]	Member			ugp:RestrictedAndPerformanceProgramTwoMember
1288	Restricted program [member]	Member			ugp:RestrictedProgramTwoMember
1289	Restricted program three [member]	Member			ugp:RestrictedProgramThreeMember
1290	Summary of related parties [line items]	LineItems			ugp:SummaryOfRelatedPartiesLineItems
1291	Grant date	Concept (Text/String)	For Period		ifrs-full:DateOfGrantOfSharebasedPaymentArrangement
1292	Balance of number of shares granted	Concept (Decimal)	For Period		ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted
1293	Vesting period	Concept (Text/String)	For Period		ifrs-full:DescriptionOfVestingRequirementsForSharebasedPaymentArrangement
1294	Market price of shares on the grant date (in R$ per share)	Concept (Share)	For Period		invest:InvestmentOptionsExercisePrice
1295	Total grant costs, including taxes	Concept (Monetary)	For Period	Debit	ugp:GrantCostsIncludingTaxes
1296	Accumulated recognized grant costs	Concept (Monetary)	For Period	Debit	ugp:AccumulatedRecognizedGrantCostsRelatedParties
1297	Accumulated unrecognized grant costs	Concept (Monetary)	For Period	Debit	ugp:AccumulatedUnrecognizedGrantCostsRelatedParties
1298	1114 - Disclosure - Related Parties - Summarized Changes of Number of Restricted and Performance Shares Granted (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureRelatedPartiesSummarizedChangesOfNumberOfRestrictedAndPerformanceSharesGranted
1299	Summary of related parties [table]	Table	*	*	ugp:SummaryOfRelatedPartiesTable
1300	Types of share-based payment arrangements [axis]	Axis			ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1301	Share-based payment arrangements [member]	Member			ifrs-full:SharebasedPaymentArrangementsMember
1302	April 9, 2018 [member]	Member			ugp:GrantDateOneMember
1303	September 19, 2018 [member]	Member			ugp:GrantDateTwoMember
1304	September 24, 2018 [member]	Member			ugp:GrantDateThreeMember
1305	Summary of related parties [line items]	LineItems			ugp:SummaryOfRelatedPartiesLineItems
1306	Balance on December 31, 2017	Concept (Decimal)	As Of		ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1307	Shares granted	Concept (Decimal)	For Period		ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted
1308	Forfeiture of granted shares due to termination of executive employment	Concept (Shares)	For Period		ugp:NumberOfInstrumentsOtherEquityInstrumentsCancellationOfGrantedSharesDueToTerminationOfExecutiveEmployment
1309	Balance on December 31, 2018	Concept (Decimal)	As Of		ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1310	1115 - Disclosure - Income and Social Contribution Taxes - Deferred Taxes (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeAndSocialContributionTaxesDeferredTaxes
1311	Implied Table	Table	*	*	implied:Table
1312	Deferred income and social contribution taxes asset [abstract]	Abstract			ugp:DeferredIncomeAndSocialContributionTaxesAssetAbstract
1313	Provision for impairment of assets	Concept (Monetary)	As Of	Debit	ugp:DeferredIncomeAndSocialContributionTaxesProvisionForImpairmentOfAssets
1314	Provisions for tax, civil, and labor risks	Concept (Monetary)	As Of	Credit	ugp:DeferredIncomeAndSocialContributionTaxesProvisionsFortaxCivilAndLaborRisks
1315	Provision for post-employment benefits	Concept (Monetary)	As Of	Debit	ugp:DeferredIncomeAndSocialContributionTaxesProvisionForPostEmploymentBenefits
1316	Provision for differences between cash and accrual basis	Concept (Monetary)	As Of	Debit	ugp:DeferredIncomeAndSocialContributionTaxesProvisionForDifferencesBetweenCashAndAccrualBasisAssets
1317	Goodwill	Concept (Monetary)	As Of	Debit	ugp:DeferredincomeAndSocialContributionTaxesGoodwill
1318	Business combination - fiscal basis vs. accounting basis of goodwill	Concept (Monetary)	As Of	Debit	ugp:DeferredIncomeAndSocialContributionTaxesBusinessCombinationFiscalBasisAccountingBasisOfGoodwill
1319	Provision for asset retirement obligation	Concept (Monetary)	As Of	Debit	ugp:DeferredIncomeAndSocialContributionTaxesProvisionForAssetRetirementObligation
1320	Other provisions	Concept (Monetary)	As Of	Debit	ugp:DeferredIncomeAndSocialContributionTaxesOtherProvisions
1321	Tax losses and negative basis for social contribution carryforwards (d)	Concept (Monetary)	As Of	Debit	ugp:DeferredIncomeAndSocialContributionTaxesTaxLossesAndNegativeBasisForSocialContributionCarryforwards
1322	Total	Concept (Monetary)	As Of	Debit	ugp:DeferredIncomeAndSocialContributionTaxAssets
1323	Offset the liabilities balance	Concept (Monetary)	As Of	Credit	ugp:DeferredIncomeAndSocialContributioTaxesOffsetLiabilitiesBalance
1324	Net balance of assets	Concept (Monetary)	As Of	Debit	ugp:DeferredIncomeAndSocialContributionTaxAssetsNet
1325	Revaluation of property, plant, and equipment	Concept (Monetary)	As Of	Credit	ugp:DeferredIncomeAndSocialContributionTaxesRevaluationOfPropertyPlantAndEquipment
1326	Lease	Concept (Monetary)	As Of	Credit	ugp:DeferredIncomeAndSocialContributionTaxesLease
1327	Provision for differences between cash and accrual basis	Concept (Monetary)	As Of	Credit	ugp:DeferredIncomeAndSocialContributionTaxesProvisionForDifferencesBetweenCashAndAccrualBasisLiabilities
1328	Provision for goodwill	Concept (Monetary)	As Of	Credit	ugp:DeferredIncomeAndSocialContributionTaxesProvisionForPostemploymentBenefitsProvisionForGoodwillAndNegativeGoodwill
1329	Business combination - fair value of assets	Concept (Monetary)	As Of	Credit	ugp:DeferredIncomeAndSocialContributionTaxesProvisionForPostemploymentBenefitsBusinessCombinationFairValueOfAssets
1330	Temporary differences of foreign subsidiaries	Concept (Monetary)	As Of	Credit	ugp:DeferredIncomeAndSocialContributionTaxesTemporaryDifferencesOfForeignSubsidiaries
1331	Other provisions	Concept (Monetary)	As Of	Debit	ugp:DeferredIncomeAndSocialContributionTaxesOtherProvisionsLiabilities
1332	Total	Concept (Monetary)	As Of	Credit	ugp:DeferredIncomeAndSocialContributionTaxLiabilities
1333	Offset the assets balance	Concept (Monetary)	As Of	Debit	ugp:DeferredIncomeAndSocialContributionTaxesOffsetAssetsBalance
1334	Net balance of liabilities	Concept (Monetary)	As Of	Credit	ugp:DeferredIncomeAndSocialContributionTaxLiabilitiesNet
1335	1116 - Disclosure - Income and Social Contribution Taxes - Summary of Changes in Balances of Deferred Taxes (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeAndSocialContributionTaxesSummaryOfChangesInBalancesOfDeferredTaxes
1336	Disclosure of Deferred income and social contribution taxes [table]	Table	*	*	ugp:DisclosureOfDeferredIncomeAndSocialContributionTaxesTable
1337	Retrospective application and retrospective restatement [axis]	Axis			ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
1338	Currently stated [member]	Member			ifrs-full:RestatedMember
1339	Previously stated [member]	Member			ifrs-full:PreviouslyStatedMember
1340	Disclosure of deferred income and social contribution taxes [line items]	LineItems			ugp:DisclosureOfDeferredIncomeAndSocialContributionTaxesLineItems
1341	Initial balance	Concept (Monetary)	As Of	Credit	ugp:DeferredIRPJAndCSLL
1342	IFRS 9 and 15 adoption	Concept (Monetary)	For Period	Credit	ugp:DeferredIRPJAndCSLLIIfrsAnd15AdoptionValue
1343	IRPJ and CSLL related to CBLSA goodwill - retrospective effect	Concept (Monetary)	For Period	Credit	ugp:DeferredIRPJAndCSLLRelatedToCBLSAGoodwill
1344	Subtotal - Initial balance - restated	Concept (Monetary)	For Period	Credit	ugp:DeferredIRPJAndCSLLInitialBalance
1345	Deferred IRPJ and CSLL recognized in income of the year	Concept (Monetary)	For Period	Credit	ugp:DeferredIRPJAndCSLLRecognizedInIncomeOfYear
1346	Deferred IRPJ and CSLL recognized in other comprehensive income	Concept (Monetary)	For Period	Credit	ugp:DeferredIRPJAndCSLLRecognizedInOtherComprehensiveIncome
1347	Deferred IRPJ and CSLL recognized in business combination	Concept (Monetary)	For Period	Credit	ugp:DeferredIRPJAndCSLLRecognizedInBusinessCombinations
1348	Others	Concept (Monetary)	For Period	Credit	ugp:DeferredIRPJAndCSLLOthers
1349	Final balance	Concept (Monetary)	As Of	Credit	ugp:DeferredIRPJAndCSLL
1350	1117 - Disclosure - Income and Social Contribution Taxes - Summary of Recovery of Deferred Tax Assets (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeAndSocialContributionTaxesSummaryOfRecoveryOfDeferredTaxAssets
1351	Disclosure of Deferred income and social contribution taxes [table]	Table	*	*	ugp:DisclosureOfDeferredIncomeAndSocialContributionTaxesTable
1352	Range [axis]	Axis			ifrs-full:RangeAxis
1353	Ranges [member]	Member			ifrs-full:RangesMember
1354	Up to 1 year [member]	Member			ugp:UpTo1YearMember
1355	From 1 to 2 years [member]	Member			ugp:From1To2YearsMember
1356	From 2 to 3 years [member]	Member			ugp:From2To3YearsMember
1357	From 3 to 5 years [member]	Member			ugp:From3To5YearsMember
1358	From 5 to 7 years [member]	Member			ugp:From5To7YearsMember
1359	From 7 to 10 Years[member]	Member			ugp:From7To10YearsMember
1360	Summary of income and social contribution taxes [line items]	LineItems			ugp:SummaryOfIncomeAndSocialContributionTaxesLineItems
1361	Recovery of deferred tax assets	Concept (Monetary)	As Of	Debit	ugp:DeferredIncomeAndSocialContributionTaxAssets
1362	1118 - Disclosure - Income and Social Contribution Taxes - Summary of Reconciliation of Taxes (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeAndSocialContributionTaxesSummaryOfReconciliationOfTaxes
1363	Implied Table	Table	*	*	implied:Table
1364	Income and social contribution taxes details 4 [abstract]	Abstract			ugp:IncomeAndSocialContributionTaxesDetails4Abstract
1365	Income (loss) before taxes and share of profit (loss) of joint ventures, and associates	Concept (Monetary)	For Period	Credit	ugp:IncomeBeforeTaxesAndShareOfProfitLossOfJointVenturesAndAssociates
1366	Statutory tax rates	Concept (Percent)	For Period		ifrs-full:ApplicableTaxRate
1367	Income and social contribution taxes at the statutory tax rates	Concept (Monetary)	For Period	Debit	ugp:IncomeAndSocialContributionTaxesAtStatutoryTaxRates
1368	Adjustments to the statutory income and social contribution taxes:	Abstract			ugp:AdjustmentsToStatutoryIncomeAndSocialContributionTaxesAbstract
1369	Nondeductible expenses	Concept (Monetary)	For Period	Debit	ifrs-full:TaxExpenseOtherThanIncomeTaxExpense
1370	Nontaxable revenues	Concept (Monetary)	For Period	Credit	ugp:NontaxableRevenues
1371	Adjustment to estimated income	Concept (Monetary)	For Period	Credit	ugp:AdjustmentToEstimatedIncome
1372	Interest on equity	Concept (Monetary)	As Of	Credit	ugp:InterestOnEquity
1373	Unrecorded deferred Income and Social Contribution Taxes Carryforwards deferred	Concept (Monetary)	For Period	Debit	ugp:UnrecordedDeferredIncomeAndSocialContributionTaxesCarryforwardsDeferred
1374	Other adjustments	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForIncomeTaxExpense
1375	Income and social contribution taxes before tax incentives	Concept (Monetary)	For Period	Debit	ugp:IncomeAndSocialContributionTaxesBeforeTaxIncentives
1376	Tax incentives-SUDENE	Concept (Monetary)	As Of	Debit	ugp:TaxIncentives
1377	Income and social contribution taxes in the income statement	Concept (Monetary)	For Period	Debit	ugp:IncomeAndSocialContributionTaxes
1378	Current	Concept (Monetary)	For Period	Debit	ifrs-full:CurrentTaxExpenseIncome
1379	Deferred	Concept (Monetary)	For Period	Debit	ifrs-full:DeferredTaxExpenseIncome
1380	Income and social contribution taxes in the income statement	Concept (Monetary)	For Period	Debit	ugp:IncomeAndSocialContributionTaxes
1381	Effective IRPJ and CSLL rates	Concept (Percent)	For Period		ugp:EffectiveIRPJAndCSLLRates
1382	1119 - Disclosure - Income and Social Contribution Taxes - Summary of Tax Incentives (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeAndSocialContributionTaxesSummaryOfTaxIncentives
1383	Disclosure of Deferred income and social contribution taxes [table]	Table	*	*	ugp:DisclosureOfDeferredIncomeAndSocialContributionTaxesTable
1384	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1385	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
1386	Bahiana Distribuidora De Gas Ltda [member]	Member			ugp:BahianaDistribuidoraDeGasLtdaMember
1387	Terminal Quimico De Aratu SATequimar [member]	Member			ugp:TerminalQuimicoDeAratuSATequimarMember
1388	Oleoqu�mica Industriae Com�rcio De Produtos Qu�micos Ltda [member]	Member			ugp:OleoqumicaIndustriaeComrcioDeProdutosQumicosLtdaMember
1389	Oxiteno Nordeste SAIndustriae Com�rcio [member]	Member			ugp:OxitenoNordesteSAIndustriaeComercioMember
1390	Empresa Carioca de Produtos Quimicos S A [member]	Member			ugp:EmpresaCariocaDeProdutosQuimicosSAMember
1391	Individual assets or cash-generating units [axis]	Axis			ifrs-full:IndividualAssetsOrCashgeneratingUnitsAxis
1392	Entity's total for individual assets or cash-generating units [member]	Member			ifrs-full:EntitysTotalForIndividualAssetsOrCashgeneratingUnitsMember
1393	Aracaju Base [member]	Member			ugp:AracajuBaseMember
1394	Suape Base [member]	Member			ugp:SuapeBaseMember
1395	Mataripe Base [member]	Member			ugp:MataripeBaseMember
1396	Caucaia Base [member]	Member			ugp:CaucaiaBaseMember
1397	Juazeiro base [member]	Member			ugp:JuazeiroBaseMember
1398	Aratu Terminal [member]	Member			ugp:AratuTerminalMember
1399	Itaqui Terminal [member]	Member			ugp:ItaquiTerminalMember
1400	Camacari Plant [member]	Member			ugp:CamacariPlantMember
1401	Summary of income and social contribution taxes [line items]	LineItems			ugp:SummaryOfIncomeAndSocialContributionTaxesLineItems
1402	Subsidiary	Concept (Text/String)	For Period		ugp:Subsidiary
1403	Business Units	Concept (Text/String)	For Period		ugp:BusinessUnit
1404	Incentive - %	Concept (Percent)	For Period		ugp:IncentivePercentage
1405	Expiration	Concept (Year)	For Period		ugp:ExpirationYear
1406	1120 - Disclosure - Income and Social Contribution Taxes - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeAndSocialContributionTaxesAdditionalInformation
1407	Disclosure of related party [table]	Table	*	*	ugp:DisclosureOfRelatedPartyTable
1408	Taxes [axis]	Axis			ugp:TaxesAxis
1409	Taxes [domain]	Member			ugp:TaxesDomain
1410	IRPJ [member]	Member			ugp:IRPJMember
1411	CSLL [member]	Member			ugp:CSLLMember
1412	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1413	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
1414	offshore subsidiaries [member]	Member			ugp:OffshoreSubsidiariesMember
1415	Disclosure of related party [line items]	LineItems			ugp:DisclosureOfRelatedPartyLineItems
1416	Tax loss carryforwards related to income tax	Concept (Monetary)	As Of	Debit	ugp:TaxLossCarryforwards
1417	Tax losses and negative basis for social contribution carryforwards	Concept (Monetary)	As Of	Debit	ugp:DeferredIncomeAndSocialContributionTaxesTaxLossesAndNegativeBasisForSocialContributionCarryforwards
1418	Deferred taxes not recognized due to the uncertainty of realization	Concept (Monetary)	As Of	Debit	ugp:DeferredTaxesNotRecognizedDueToUncertaintyOfRealization
1419	Deferred tax assets reversed	Concept (Monetary)	As Of	Debit	ifrs-full:DeferredTaxAssetWhenUtilisationIsDependentOnFutureTaxableProfitsInExcessOfProfitsFromReversalOfTaxableTemporaryDifferencesAndEntityHasSufferedLossInJurisdictionToWhichDeferredTaxAssetRelates
1420	Tax loss carryforwards related to income tax	Concept (Monetary)	As Of	Debit	ugp:TaxLossCarryforwards
1421	1121 - Disclosure - Prepaid Expenses - Summary of Prepaid Expenses (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosurePrepaidExpensesSummaryOfPrepaidExpenses
1422	Implied Table	Table	*	*	implied:Table
1423	Prepaid expenses details [abstract]	Abstract			ugp:PrepaidExpensesDetailsAbstract
1424	Rents	Concept (Monetary)	As Of	Debit	ugp:PrepaidRentExpense
1425	Advertising and publicity	Concept (Monetary)	As Of	Debit	ugp:PrepaidAdvertisingExpense
1426	Deferred Stock Plan, net (see Note 8.c)	Concept (Monetary)	As Of	Debit	ugp:PrepaidDeferredStockPlanExpense
1427	Insurance premiums	Concept (Monetary)	As Of	Debit	ugp:PrepaidInsuranceExpense
1428	Software maintenance	Concept (Monetary)	For Period	Debit	ugp:PrepaidSoftwareMaintenanceExpense
1429	Other prepaid expenses	Concept (Monetary)	As Of	Debit	ugp:OtherPrepaidExpenses
1430	Prepaid expenses	Concept (Monetary)	As Of	Debit	ugp:PrepaidExpenses
1431	Current	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentPrepaidExpenses
1432	Non-current	Concept (Monetary)	As Of	Debit	ugp:NoncurrentPrepaidExpenses
1433	1122 - Disclosure - Contractual Assets with Customers - Exclusive Rights - Summary of Contractual Assets with Customers Exclusive Rights Balance and Changes (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureContractualAssetsWithCustomersExclusiveRightsSummaryOfContractualAssetsWithCustomersExclusiveRightsBalanceAndChanges
1434	Disclosure of contract assets [table]	Table	*	*	ugp:DisclosureOfContractAssetsTable
1435	Retrospective application and retrospective restatement [axis]	Axis			ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
1436	Currently stated [member]	Member			ifrs-full:RestatedMember
1437	Increase (decrease) due to application of IFRS 15 [member]	Member			ifrs-full:IncreaseDecreaseDueToApplicationOfIFRS15Member
1438	Disclosure of contract assets [line items]	LineItems			ugp:DisclosureOfContractAssetsLineItems
1439	Initial balance	Concept (Monetary)	As Of	Debit	ifrs-full:ContractAssets
1440	Additions	Concept (Monetary)	For Period	Debit	ugp:IncreaseDecreaseContractAssetsRelatingToContractsWithCustomers
1441	Amortization	Concept (Monetary)	For Period	Credit	ugp:AmortizationOfContractAssetsRelatingToContractsWithCustomers
1442	Transfer	Concept (Monetary)	For Period	Credit	ugp:TransferOfContractAssetsRelatingToContractsWithCustomers
1443	Final balance	Concept (Monetary)	As Of	Debit	ifrs-full:ContractAssets
1444	Current	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentContractAssets
1445	Non-current	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentContractAssets
1446	1123 - Disclosure - Investment - Summary of Balances and Changes in Joint Ventures (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentSummaryOfBalancesAndChangesInJointVentures
1447	Disclosure of joint ventures [table]	Table	*	*	ifrs-full:DisclosureOfJointVenturesTable
1448	Joint ventures [axis]	Axis			ifrs-full:JointVenturesAxis
1449	Entity's total for joint ventures [member]	Member			ifrs-full:EntitysTotalForJointVenturesMember
1450	Uniao vopak [member]	Member			ugp:UniaoVopakMember
1451	Rpr [member]	Member			ugp:RPRMember
1452	Connect car [member]	Member			ugp:ConnectCarMember
1453	Disclosure of joint ventures [line items]	LineItems			ifrs-full:DisclosureOfJointVenturesLineItems
1454	Joint ventures, beginning	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentsInJointVentures
1455	Capital increase	Concept (Monetary)	For Period	Debit	ugp:CapitalIncreaseJointVentures
1456	Valuation adjustments	Concept (Monetary)	For Period	Credit	ugp:ValuationAdjustmentsJointVentures
1457	Dividends and interest on equity (gross)	Concept (Monetary)	For Period	Debit	ifrs-full:DividendsReceivedFromJointVenturesClassifiedAsInvestingActivities
1458	Share of profit (loss) of joint ventures	Concept (Monetary)	For Period	Credit	ugp:ShareOfProfitLossOfJointVentures
1459	Joint ventures, ending	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentsInJointVentures
1460	1124 - Disclosure - Investment - Summary of Amounts of Financial Position and Income Statements of Profit or Loss of Joint Ventures (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentSummaryOfAmountsOfFinancialPositionAndIncomeStatementsOfProfitOrLossOfJointVentures
1461	Disclosure of joint ventures [table]	Table	*	*	ifrs-full:DisclosureOfJointVenturesTable
1462	Joint ventures [axis]	Axis			ifrs-full:JointVenturesAxis
1463	Entity's total for joint ventures [member]	Member			ifrs-full:EntitysTotalForJointVenturesMember
1464	Uniao vopak [member]	Member			ugp:UniaoVopakMember
1465	Rpr [member]	Member			ugp:RPRMember
1466	Connect car [member]	Member			ugp:ConnectCarMember
1467	Disclosure of joint ventures [line items]	LineItems			ifrs-full:DisclosureOfJointVenturesLineItems
1468	Current assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentAssets
1469	Non-current assets	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentAssets
1470	Current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentLiabilities
1471	Non-current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentLiabilities
1472	Equity	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
1473	Net revenue from sales and services	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
1474	Costs, operating expenses and income	Concept (Monetary)	For Period	Debit	ugp:OperatingExpenseAndIncomeCosts
1475	Net financial income and income and social contribution taxes	Concept (Monetary)	For Period	Credit	ugp:NetFinancialIncomeAndIncomeAndSocialContributionTaxes
1476	Net income (loss)	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
1477	Number of shares or units held	Concept (Shares)	For Period		ugp:NumberOfSharesOrUnitsHeld
1478	% of capital held	Concept (Percent)	For Period		ugp:PercentageOfCapitalHeld
1479	1125 - Disclosure - Investment - Summary of Balances and Changes in Associates (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentSummaryOfBalancesAndChangesInAssociates
1480	Investment [Table]	Table	*	*	invest:InvestmentTable
1481	Associates [axis]	Axis			ifrs-full:SignificantInvestmentsInAssociatesAxis
1482	Entity's total for associates [member]	Member			ifrs-full:EntitysTotalForAssociatesMember
1483	Transportadora sulbrasileira de gas [member]	Member			ugp:TransportadoraSulbrasileiraDeGasMember
1484	Oxicap Industria de Gases [member]	Member			ugp:OxicapIndustriaDeGasesMember
1485	Quimica da bahia Industria e Comercio [member]	Member			ugp:QuimicaDaBahiaIndustriaEcomercioMember
1486	Metalurgica plus [member]	Member			ugp:MetalurgicaPlusMember
1487	Plenogas distribuidora de gas [member]	Member			ugp:PlenogasDistribuidoraDeGasMember
1488	Summary of associates [line items]	LineItems			ugp:SummaryOfAssociatesLineItems
1489	Associates, beginning	Concept (Monetary)	As Of	Debit	ugp:InvestmentsInSubsidiariesInAssociates
1490	Capital reduction	Concept (Monetary)	For Period	Debit	ugp:CapitalReductionInAssociates
1491	Dividends	Concept (Monetary)	For Period	Debit	ifrs-full:DividendsReceivedFromAssociatesClassifiedAsInvestingActivities
1492	Share of profit (loss) of associates	Concept (Monetary)	For Period	Credit	ugp:ShareOfProfitLossOfAssociates
1493	Associates, ending	Concept (Monetary)	As Of	Debit	ugp:InvestmentsInSubsidiariesInAssociates
1494	1126 - Disclosure - Investment - Summary of Amounts of Balance Sheets and Income Statements of Associates (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentSummaryOfAmountsOfBalanceSheetsAndIncomeStatementsOfAssociates
1495	Detailed Disclosure Of Inventories [table]	Table	*	*	ugp:DetailedDisclosureOfInventoriesTable
1496	Associates [axis]	Axis			ifrs-full:SignificantInvestmentsInAssociatesAxis
1497	Entity's total for associates [member]	Member			ifrs-full:EntitysTotalForAssociatesMember
1498	Transportadora sulbrasileira de gas [member]	Member			ugp:TransportadoraSulbrasileiraDeGasMember
1499	Oxicap Industria de Gases [member]	Member			ugp:OxicapIndustriaDeGasesMember
1500	Quimica da bahia Industria e Comercio [member]	Member			ugp:QuimicaDaBahiaIndustriaEcomercioMember
1501	Metalurgica plus [member]	Member			ugp:MetalurgicaPlusMember
1502	Plenogas distribuidora de gas [member]	Member			ugp:PlenogasDistribuidoraDeGasMember
1503	Summary of associates [line items]	LineItems			ugp:SummaryOfAssociatesLineItems
1504	Current assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentAssets
1505	Non-current assets	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentAssets
1506	Current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentLiabilities
1507	Non-current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentLiabilities
1508	Equity	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
1509	Net revenue from sales and services	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
1510	Costs, operating expenses and income	Concept (Monetary)	For Period	Credit	ifrs-full:OtherOperatingIncomeExpense
1511	Net financial income and income and social contribution taxes	Concept (Monetary)	For Period	Credit	ugp:NetFinancialIncomeAndIncomeAndSocialContributionTaxes
1512	Net income (loss)	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
1513	Number of shares or units held	Concept (Shares)	For Period		ugp:SharesOrUnitsHeld
1514	% of capital held	Concept (Percent)	For Period		ifrs-full:ProportionOfOwnershipInterestsHeldByNoncontrollingInterests
1515	1127 - Disclosure - Property,Plant,and Equipment - Balances and changes in property, plant, and equipment beginning and ending (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosurePropertyPlantandEquipmentBalancesAndChangesInPropertyPlantAndEquipmentBeginningAndEnding
1516	Disclosure of detailed information about property, plant and equipment [table]	Table	*	*	ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
1517	Classes of property, plant and equipment [axis]	Axis			ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1518	Property, plant and equipment [member]	Member			ifrs-full:PropertyPlantAndEquipmentMember
1519	Land [member]	Member			ifrs-full:LandMember
1520	Machinery [member]	Member			ifrs-full:MachineryMember
1521	Buildings [member]	Member			ifrs-full:BuildingsMember
1522	Leasehold improvements [member]	Member			ifrs-full:LeaseholdImprovementsMember
1523	Automotive [member]	Member			ugp:AutomotiveMember
1524	Lpg tanks [member]	Member			ugp:LPGTanksMember
1525	Vehicles [member]	Member			ifrs-full:VehiclesMember
1526	Furniture [member]	Member			ugp:FurnitureMember
1527	Construction in progress [member]	Member			ifrs-full:ConstructionInProgressMember
1528	Advances to suppliers [member]	Member			ugp:AdvancesToSuppliersMember
1529	Imports in progress [member]	Member			ugp:ImportsInProgressMember
1530	IT equipment [member]	Member			ugp:ITEquipmentMember
1531	Retrospective application and retrospective restatement [axis]	Axis			ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
1532	Currently stated [member]	Member			ifrs-full:RestatedMember
1533	Previously stated [member]	Member			ifrs-full:PreviouslyStatedMember
1534	Increase (decrease) due to application of IFRS 15 [member]	Member			ifrs-full:IncreaseDecreaseDueToApplicationOfIFRS15Member
1535	Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]	Axis			ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1536	Carrying amount [member]	Member			ifrs-full:CarryingAmountMember
1537	Gross carrying amount [member]	Member			ifrs-full:GrossCarryingAmountMember
1538	Accumulated depreciation [member]	Member			ifrs-full:AccumulatedDepreciationAndAmortisationMember
1539	Provision for losses [member]	Member			ugp:ProvisionForLossesMember
1540	Disclosure of detailed information about property, plant and equipment [line items]	LineItems			ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
1541	Property, plant, and equipment, weighted average useful life (years)	Concept (Text/String)	For Period		ifrs-full:UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment
1542	Property, plant, and equipment, beginning	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
1543	Property, plant, and equipment, reclassifications	Concept (Monetary)	For Period	Debit	ugp:ReclassificationsOfPropertyPlantAndEquipment
1544	Property, plant, and equipment, beginning restated	Concept (Monetary)	For Period	Debit	ugp:PropertyPlantAndEquipmentRestatedAdjustmentBalance
1545	Property, plant, and equipment, additions	Concept (Monetary)	For Period	Debit	ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
1546	Property, plant, and equipment, depreciation	Concept (Monetary)	For Period		ifrs-full:DepreciationPropertyPlantAndEquipment
1547	Property, plant, and equipment, transfer	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment
1548	Property, plant, and equipment, write-offs and disposals	Concept (Monetary)	For Period	Credit	ifrs-full:DisposalsPropertyPlantAndEquipment
1549	Property, plant, and equipment, effect of foreign currency exchange rate variation	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment
1550	Property, plant, and equipment, ending	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
1551	Property, plant, and equipment, fair value CBLSA retrospective effect	Concept (Monetary)	As Of	Debit	ifrs-full:FairValueOfPropertyPlantAndEquipmentMateriallyDifferentFromCarryingAmount
1552	Property, plant, and equipment, opening balance TEAS	Concept (Monetary)	For Period	Debit	ugp:PropertyPlantAndEquipmentOpeningBalanceTeas
1553	Property, plant, and equipment, opening balance CBLSA	Concept (Monetary)	For Period	Debit	ugp:PropertyPlantAndEquipmentOpeningBalanceCblsa
1554	1128 - Disclosure - Property,Plant,and Equipment - Balances and changes in property, plant, and equipment beginning and ending (Parenthetical) (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosurePropertyPlantandEquipmentBalancesAndChangesInPropertyPlantAndEquipmentBeginningAndEndingParenthetical
1555	Disclosure of detailed information about property, plant and equipment [table]	Table	*	*	ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
1556	Classes of property, plant and equipment [axis]	Axis			ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1557	Property, plant and equipment [member]	Member			ifrs-full:PropertyPlantAndEquipmentMember
1558	Land [member]	Member			ifrs-full:LandMember
1559	Machinery [member]	Member			ifrs-full:MachineryMember
1560	Unconsolidated subsidiaries [axis]	Axis			ifrs-full:UnconsolidatedSubsidiariesAxis
1561	Entity's total for unconsolidated subsidiaries [member]	Member			ifrs-full:EntitysTotalForUnconsolidatedSubsidiariesMember
1562	Oxiteno Andina [member]	Member			ugp:OxitenoAndinaMember
1563	Disclosure of detailed information about property, plant and equipment [line items]	LineItems			ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
1564	Impairment loss recognised in property, plant and equipment	Concept (Monetary)	For Period		ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
1565	1129 - Disclosure - Intangible Assets - Balance and changes in intangible assets (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureIntangibleAssetsBalanceAndChangesInIntangibleAssets
1566	Disclosure of detailed information about intangible assets [table]	Table	*	*	ifrs-full:DisclosureOfIntangibleAssetsTable
1567	Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]	Axis			ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1568	Carrying amount [member]	Member			ifrs-full:CarryingAmountMember
1569	Cost [member]	Member			ugp:IntangibleAssetsCostMember
1570	Accumulated amortization [member]	Member			ugp:IntangibleAssetsAccumulatedAmortizationMember
1571	Retrospective application and retrospective restatement [axis]	Axis			ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
1572	Currently stated [member]	Member			ifrs-full:RestatedMember
1573	Previously stated [member]	Member			ifrs-full:PreviouslyStatedMember
1574	Increase (decrease) due to application of IFRS 15 [member]	Member			ifrs-full:IncreaseDecreaseDueToApplicationOfIFRS15Member
1575	Classes of intangible assets and goodwill [axis]	Axis			ifrs-full:ClassesOfIntangibleAssetsAndGoodwillAxis
1576	Intangible assets and goodwill [member]	Member			ifrs-full:IntangibleAssetsAndGoodwillMember
1577	Goodwill [member]	Member			ifrs-full:GoodwillMember
1578	Software [member]	Member			ugp:SoftwareMember
1579	Technology [member]	Member			ugp:TechnologyMember
1580	Commercial property rights [member]	Member			ugp:CommercialPropertyRightsMember
1581	Distribution rights asset [member]	Member			ugp:DistributionRightsAssetMember
1582	Brands [member]	Member			ugp:BrandsMember
1583	Trademark rights [member]	Member			ugp:TrademarkRightsMember
1584	Others [member]	Member			ifrs-full:OtherIntangibleAssetsMember
1585	Summary of intangible assets [line items]	LineItems			ugp:SummaryOfIntangibleAssetsLineItems
1586	Intangible assets, IFRS 15 adoption and reclassifications	Concept (Monetary)	For Period	Debit	ifrs-full:RevaluationIncreaseDecreaseIntangibleAssetsOtherThanGoodwill
1587	Weighted average useful life (years)	Concept (Decimal)	As Of		ifrs-full:RemainingAmortisationPeriodOfIntangibleAssetsMaterialToEntity
1588	Intangible assets, fair value CBLSA retrospective effect	Concept (Monetary)	For Period	Debit	ugp:FairValueCblsaRetrospectiveEffect
1589	Intangible assets, beginning	Concept (Monetary)	As Of	Debit	ifrs-full:IntangibleAssetsAndGoodwill
1590	Intangible assets, additions	Concept (Monetary)	For Period	Debit	ugp:IntangibleAssetsAdditions
1591	Intangible assets, amortization	Concept (Monetary)	For Period	Credit	ugp:IntangibleAssetsAmortization
1592	Intangible assets, transfer	Concept (Monetary)	For Period	Debit	ugp:IntangibleAssetsTransfer
1593	Intangible assets, write-offs and disposals	Concept (Monetary)	For Period	Credit	ugp:IntangibleAssetsWriteOffsAndDisposals
1594	Intangible assets, effect of foreign currency exchange rate variation	Concept (Monetary)	For Period	Credit	ugp:IntangibleAssetsEffectOfForeignCurrencyExchangeRateVariation
1595	Opening balance CBLSA	Concept (Monetary)	For Period	Debit	ugp:IntangibleAssetsOpeningOpeningBalanceCblsa
1596	Intangible assets opening balance TEAS	Concept (Monetary)	For Period	Debit	ugp:IntangibleAssetsOpeningBalanceTeas
1597	Intangible assets, ending balance	Concept (Monetary)	As Of	Debit	ifrs-full:IntangibleAssetsAndGoodwill
1598	1130 - Disclosure - Intangible Assets - Amortization expenses (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureIntangibleAssetsAmortizationExpenses
1599	Implied Table	Table	*	*	implied:Table
1600	Intangible assets details 2 [abstract]	Abstract			ugp:IntangibleAssetsDetails2Abstract
1601	Inventories and cost of products and services sold	Concept (Monetary)	For Period	Debit	ugp:InventoriesAndCostOfProductsAndServicesSoldAmortisation
1602	Selling and marketing	Concept (Monetary)	For Period	Debit	ugp:SellingAndMarketingAmortisation
1603	General and administrative	Concept (Monetary)	For Period	Debit	ugp:GeneralAndAdministrativeAmortisation
1604	Total, amortization	Concept (Monetary)	For Period	Debit	ifrs-full:AmortisationExpense
1605	1131 - Disclosure - Intangible Assets - Balances of goodwill (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureIntangibleAssetsBalancesOfGoodwill
1606	Disclosure of foreign subsidiaries [table]	Table	*	*	ugp:DisclosureOfForeignSubsidiariesTable
1607	Segments [axis]	Axis			ifrs-full:SegmentsAxis
1608	Segments [member]	Member			ifrs-full:SegmentsMember
1609	Extrafarma [member]	Member			ugp:ExtrafarmaMember
1610	Ipiranga [member]	Member			ugp:IpirangaMember
1611	Uniao Terminais [member]	Member			ugp:UniaoTerminaisMember
1612	Texaco [member]	Member			ugp:TexacoMember
1613	Cblsa [member]	Member			ugp:CblsaMember
1614	Oxiteno Uruguay [member]	Member			ugp:OxitenoUruguayMember
1615	Temmar [member]	Member			ugp:TemmarMember
1616	DNP [member]	Member			ugp:DNPMember
1617	Repsol [member]	Member			ugp:RepsolMember
1618	TEAS Terminal Exportador de Alcool de Santos Ltda. [member]	Member			ugp:TEASTerminalExportadorDeAlcoolDeSantosLtdaMember
1619	Others [member]	Member			ugp:OtherSegmentsMember
1620	Summary of intangible assets [line items]	LineItems			ugp:SummaryOfIntangibleAssetsLineItems
1621	Segment	Concept (Text/String)	For Period		ugp:GoodwillAcquisitionSegment
1622	Goodwill	Concept (Monetary)	For Period	Debit	ugp:AcquisitionsThroughBusinessCombinationsGoodwill
1623	1132 - Disclosure - Intangible Assets - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureIntangibleAssetsAdditionalInformation
1624	Disclosure of detailed information about intangible assets [table]	Table	*	*	ifrs-full:DisclosureOfIntangibleAssetsTable
1625	Segments [axis]	Axis			ifrs-full:SegmentsAxis
1626	Segments [member]	Member			ifrs-full:SegmentsMember
1627	Extrafarma [member]	Member			ugp:ExtrafarmaMember
1628	Range [axis]	Axis			ifrs-full:RangeAxis
1629	Ranges [member]	Member			ifrs-full:RangesMember
1630	Bottom of range [member]	Member			ifrs-full:BottomOfRangeMember
1631	Top of range [member]	Member			ifrs-full:TopOfRangeMember
1632	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1633	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
1634	Terminal Quimico De Aratu SATequimar [member]	Member			ugp:TerminalQuimicoDeAratuSATequimarMember
1635	Classes of intangible assets and goodwill [axis]	Axis			ifrs-full:ClassesOfIntangibleAssetsAndGoodwillAxis
1636	Intangible assets and goodwill [member]	Member			ifrs-full:IntangibleAssetsAndGoodwillMember
1637	Operating Leases [member]	Member			ugp:OperatingLeasesMember
1638	Commercial property rights [member]	Member			ugp:CommercialPropertyRightsMember
1639	Disclosure of detailed information about intangible assets [line items]	LineItems			ifrs-full:DisclosureOfIntangibleAssetsLineItems
1640	Period of evaluation	Concept (xbrli:durationItemType)	For Period		ugp:PeriodOfEvaluation
1641	Period to maturity	Concept (xbrli:durationItemType)	For Period		ugp:PeriodToMaturity
1642	Discount rate	Concept (Percent)	For Period		ugp:DiscountRate
1643	Real growth rate	Concept (Percent)	For Period		ugp:RealGrowthRate
1644	Impairment loss	Concept (Monetary)	For Period		ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill
1645	Agreement term	Concept (Decimal)	As Of		ifrs-full:RemainingAmortisationPeriodOfIntangibleAssetsMaterialToEntity
1646	Price paid	Concept (Monetary)	For Period	Credit	ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities
1647	1133 - Disclosure - Loans, Debentures, and Finance Leases - Summary of Compostion of loans (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureLoansDebenturesAndFinanceLeasesSummaryOfCompostionOfLoans
1648	Summary of loans debentures and finance leases [table]	Table	*	*	ugp:SummaryOfLoansDebenturesAndFinanceLeasesTable
1649	Classes of liabilities [axis]	Axis			ifrs-full:ClassesOfLiabilitiesAxis
1650	Liabilities [member]	Member			ifrs-full:LiabilitiesMember
1651	Loan 1 [member]	Member			ugp:Loan1Member
1652	Loan 2 [member]	Member			ugp:Loan2Member
1653	Loan 3 [member]	Member			ugp:Loan3Member
1654	Loan 4 [member]	Member			ugp:Loan4Member
1655	Loan 5 [member]	Member			ugp:Loan5Member
1656	Loan 6 [member]	Member			ugp:Loan6Member
1657	Loan 7 [member]	Member			ugp:Loan7Member
1658	Loan 8 [member]	Member			ugp:Loan8Member
1659	Loan 9 [member]	Member			ugp:Loan9Member
1660	Loan 10 [member]	Member			ugp:Loan10Member
1661	Loan 11 [member]	Member			ugp:Loan11Member
1662	Loan 12 [member]	Member			ugp:Loan12Member
1663	Loan 13 [member]	Member			ugp:Loan13Member
1664	Loan 14 [member]	Member			ugp:Loan14Member
1665	Loan 15 [member]	Member			ugp:Loan15Member
1666	Loan 16 [member]	Member			ugp:Loan16Member
1667	Loan 17 [member]	Member			ugp:Loan17Member
1668	Loan 18 [member]	Member			ugp:Loan18Member
1669	Loan 19 [member]	Member			ugp:Loan19Member
1670	Loan 20 [member]	Member			ugp:Loan20Member
1671	Loan 21 [member]	Member			ugp:Loan21Member
1672	Loan 22 [member]	Member			ugp:Loan22Member
1673	Loan 23 [member]	Member			ugp:Loan23Member
1674	Loan 24 [member]	Member			ugp:Loan24Member
1675	Loan 25 [member]	Member			ugp:Loan25Member
1676	Loan 26 [member]	Member			ugp:Loan26Member
1677	Loan 27 [member]	Member			ugp:Loan27Member
1678	Loan 28 [member]	Member			ugp:Loan28Member
1679	Loan 29 [member]	Member			ugp:Loan29Member
1680	Loan 30 [member]	Member			ugp:Loan30Member
1681	Summary of loans debentures and finance leases [line items]	LineItems			ugp:SummaryOfLoansDebenturesAndFinanceLeasesLineItems
1682	Description	Concept (Text/String)	For Period		ugp:LoanDescription
1683	Foreign currency - denominated loans	Concept (Monetary)	As Of	Credit	ugp:ForeignCurrencyDenominatedLoans
1684	Brazilian Real - denominated loans	Concept (Monetary)	As Of	Credit	ugp:BrazilianRealDenominatedLoans
1685	Total foreign currency and Brazilian Reais	Concept (Monetary)	As Of	Credit	ugp:TotalForeignCurrencyAndBrazilianReais
1686	Currency and interest rate hedging instruments	Concept (Monetary)	As Of	Credit	ugp:CurrencyInterestRateHedgingInstruments
1687	Total	Concept (Monetary)	As Of	Credit	ugp:LoanDebt
1688	Current	Concept (Monetary)	As Of	Credit	ugp:CurrentDebt
1689	Non-current	Concept (Monetary)	As Of	Credit	ugp:NoncurrentDebt
1690	Index/Currency	Concept (Text/String)	For Period		ugp:LoanIndexCurrency
1691	Weighted average financial charges	Concept (Text/String)	For Period		ugp:WeightedAverageFinancialChargesLoans
1692	Maturity	Concept (Text/String)	For Period		ugp:LoanMaturityDate
1693	1134 - Disclosure - Loans, Debentures, and Finance Leases - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureLoansDebenturesAndFinanceLeasesAdditionalInformation
1694	Summary of loans debentures and finance leases [table]	Table	*	*	ugp:SummaryOfLoansDebenturesAndFinanceLeasesTable
1695	Debenture [axis]	Axis			ugp:DebentureAxis
1696	Debenture [Domain]	Member			ugp:DebentureDomain
1697	Debenture three [member]	Member			ugp:DebentureThreeMember
1698	Debenture four [member]	Member			ugp:DebentureFourMember
1699	Debenture five [member]	Member			ugp:DebentureFiveMember
1700	Debenture six [member]	Member			ugp:DebentureSixMember
1701	Debenture seven [member]	Member			ugp:DebentureSevenMember
1702	Debenture eight [member]	Member			ugp:DebentureEightMember
1703	Debenture twelve [member]	Member			ugp:DebentureTwelveMember
1704	Debenture eleven [member]	Member			ugp:DebentureElevenMember
1705	Debenture one [member]	Member			ugp:DebentureOneMember
1706	Debenture two [member]	Member			ugp:DebentureTwoMember
1707	Debenture ten [member]	Member			ugp:DebentureTenMember
1708	Borrowings by name [axis]	Axis			ifrs-full:BorrowingsByNameAxis
1709	Borrowings by name [member]	Member			ifrs-full:BorrowingsByNameMember
1710	Foreign loans [member]	Member			ugp:ForeignLoansMember
1711	Debentures second issue [member]	Member			ugp:DebenturesSecondIssueMember
1712	Debentures fifth issue [member]	Member			ugp:DebenturesFifthIssueMember
1713	Debentures fourth issue [member]	Member			ugp:DebenturesFourthIssueMember
1714	Debentures sixth issue [member]	Member			ugp:DebenturesSixthIssueMember
1715	Debentures seventh issue [member]	Member			ugp:DebenturesSeventhIssueMember
1716	Debentures eighth issue [member]	Member			ugp:DebenturesEighthIssueMember
1717	Classes of contingent liabilities [axis]	Axis			ifrs-full:ClassesOfContingentLiabilitiesAxis
1718	Contingent liabilities [member]	Member			ifrs-full:ContingentLiabilitiesMember
1719	Other contingent liabilities [member]	Member			ifrs-full:OtherContingentLiabilitiesMember
1720	Liabilities arising from financing activities [axis]	Axis			ifrs-full:LiabilitiesArisingFromFinancingActivitiesAxis
1721	Liabilities arising from financing activities [member]	Member			ifrs-full:LiabilitiesArisingFromFinancingActivitiesMember
1722	Long term interest rate [member]	Member			ugp:LongTermInterestRateMember
1723	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1724	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
1725	IPP [member]	Member			ugp:IpirangaProdutosDePetroleoSAMember
1726	Oxiteno S.A. and Oxiteno Nordeste [member]	Member			ugp:OxitenoSAAndOxitenoNordesteMember
1727	Classes of financial instruments [axis]	Axis			ifrs-full:ClassesOfFinancialInstrumentsAxis
1728	Financial instruments, class [member]	Member			ifrs-full:ClassesOfFinancialInstrumentsMember
1729	Export Credit Note [member]	Member			ugp:ExportCreditNoteMember
1730	Counterparties [axis]	Axis			ifrs-full:CounterpartiesAxis
1731	Counterparties [member]	Member			ifrs-full:CounterpartiesMember
1732	Northeast Constitutional Financing Fund [member]	Member			ugp:NortheastConstitutionalFinancingFundMember
1733	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
1734	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
1735	Ultrapar international sa [member]	Member			ugp:UltraparInternationalSAMember
1736	Types of rate-regulated activities [axis]	Axis			ifrs-full:TypesOfRateregulatedActivitiesAxis
1737	Rate-regulated activities [member]	Member			ifrs-full:RateregulatedActivitiesMember
1738	Restricted Assets [member]	Member			ugp:RestrictedAssetsMember
1739	Summary of loans debentures and finance leases [line items]	LineItems			ugp:SummaryOfLoansDebenturesAndFinanceLeasesLineItems
1740	Long term interest rate	Concept (Percent)	As Of		ugp:LongTermDebtInterestRate
1741	Interest rate	Concept (Percent)	As Of		ifrs-full:BorrowingsInterestRate
1742	Discount on interest rate	Concept (Percent)	For Period		ugp:PercentageOfDiscountRate
1743	Notes to foreign market	Concept (Monetary)	As Of	Credit	ifrs-full:NotesAndDebenturesIssued
1744	Borrowings, maturity date	Concept (Text/String)	For Period		ifrs-full:BorrowingsMaturity
1745	Issue percent of face value	Concept (Percent)	For Period		ugp:BondsIssuePriceInPercentage
1746	Restriction on encumbrance of assets	Concept (Monetary)	As Of	Credit	ifrs-full:LiabilitiesToWhichSignificantRestrictionsApply
1747	Percent restricted consolidated tangible assets	Concept (Percent)	For Period		ugp:ValueOfAssetsPercentage
1748	Borrowings	Concept (Monetary)	For Period	Credit	ugp:DebentureFaceValue
1749	Floating interest rates in dollar change in foreign loan	Concept (Text/String)	For Period		ugp:DebentureInterestDescription
1750	Determination of required maintenance ratio description	Concept (Pure)	For Period		ugp:EBITDAToInterestCoverageRatioDescription
1751	Borrowings, adjustment to interest rate basis	Concept (Percent)	As Of		ifrs-full:BorrowingsAdjustmentToInterestRateBasis
1752	Simple nominative nonconvertible unsecured registered debentures	Concept (Decimal)	For Period		ugp:NumberOfDebenturesDistributedThroughPublicOffer
1753	Final maturity	Concept (Text/String)	For Period		ugp:DebentureFinalMaturity
1754	Payment of the face value	Concept (Text/String)	For Period		ugp:DebenturePaymentOfFaceValueDescription
1755	Payment of interest	Concept (Text/String)	For Period		ugp:DebenturePaymentOfInterestDescription
1756	Reprice	Concept (Text/String)	For Period		ugp:DebentureReprice
1757	Second series simple nominative nonconvertible unsecured registered debentures	Concept (Integer)	For Period		ugp:NumberOfDebenturesIssued
1758	Amount:	Concept (Monetary)	As Of	Credit	ugp:DebenturesPrincipalAmount
1759	Financing guaranteed by collateral	Concept (Monetary)	For Period		ifrs-full:ProvisionOfGuaranteesOrCollateralByEntityRelatedPartyTransactions
1760	Amount of guarantees and promissory notes	Concept (Monetary)	As Of	Debit	ugp:GuaranteesDebtors
1761	Collateral guarantees to secure letters of credits	Concept (Monetary)	As Of	Debit	ugp:CollateralAssetsLettersOfCreditOrGuarantees
1762	Guarantee related to supply Of LPG	Concept (Monetary)	For Period	Credit	ugp:GuaranteeObligationsSupplyOfLpg
1763	Supply of row materials without guarantee	Concept (Monetary)	For Period	Credit	ugp:RowMaterialsSupplyWithoutaGuarantee
1764	maximum amount of future payments on collateral gurantee	Concept (Monetary)	As Of	Credit	ugp:MaximumPotentialAmountOfFuturePaymentsOnGuarantees
1765	Fair value of collaterals recorded as other payables	Concept (Monetary)	As Of	Credit	ugp:GuaranteeLiabilities
1766	1135 - Disclosure - Loans, Debentures, and Finance Leases - Summary of Changes in Loans, Debentures and Finance Leases (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureLoansDebenturesAndFinanceLeasesSummaryOfChangesInLoansDebenturesAndFinanceLeases
1767	Implied Table	Table	*	*	implied:Table
1768	Loans debentures and finance leases details 1 [abstract]	Abstract			ugp:LoansDebenturesAndFinanceLeasesDetails1Abstract
1769	Loans, debentures and finance leases, beginning	Concept (Monetary)	As Of	Credit	ugp:LoansDebenturesAndFinanceLeases
1770	New loans and debentures with cash effect	Concept (Monetary)	For Period	Credit	ugp:AdditionsLoansAndDebenturesWithCashEffect
1771	Interest accrued	Concept (Monetary)	For Period	Credit	ugp:LoandsAndDebenturesInterestAccrued
1772	Principal payment and financial leases	Concept (Monetary)	For Period	Debit	ugp:PrincipalPaymentAndFinancialLeases
1773	Interest payment	Concept (Monetary)	For Period	Debit	ugp:LoansAndDebenturesInterestPayment
1774	Monetary and exchange rate variation	Concept (Monetary)	For Period	Credit	ugp:LoansAndDebenturesMonetaryAndExchangeRateVariation
1775	Change in fair value	Concept (Monetary)	For Period	Credit	ugp:LoansAndDeBenturesChangeInFairValue
1776	Loans, debentures and finance leases, ending	Concept (Monetary)	As Of	Credit	ugp:LoansDebenturesAndFinanceLeases
1777	1136 - Disclosure - Loans, Debentures, and Finance Leases - Summary of Principal Maturity Schedule (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureLoansDebenturesAndFinanceLeasesSummaryOfPrincipalMaturitySchedule
1778	Summary of loans debentures and finance leases [table]	Table	*	*	ugp:SummaryOfLoansDebenturesAndFinanceLeasesTable
1779	Range [axis]	Axis			ifrs-full:RangeAxis
1780	Ranges [member]	Member			ifrs-full:RangesMember
1781	From 1 to 2 years [member]	Member			ugp:From1To2YearsMember
1782	From 2 to 3 years [member]	Member			ugp:From2To3YearsMember
1783	From 3 to 4 years [member]	Member			ugp:From3To4YearsMember
1784	From 4 to 5 years [member]	Member			ugp:From4To5YearsMember
1785	More than 5 years [member]	Member			ugp:MoreThan5YearsMember
1786	Summary of loans debentures and finance leases [line items]	LineItems			ugp:SummaryOfLoansDebenturesAndFinanceLeasesLineItems
1787	Long term consolidated debt	Concept (Monetary)	As Of	Credit	ugp:NoncurrentDebt
1788	1137 - Disclosure - Loans, Debentures, and Finance Leases - Summary of Foreign Loan Maturity (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureLoansDebenturesAndFinanceLeasesSummaryOfForeignLoanMaturity
1789	Summary of loans debentures and finance leases [table]	Table	*	*	ugp:SummaryOfLoansDebenturesAndFinanceLeasesTable
1790	Foreign loan [axis]	Axis			ugp:ForeignLoanAxis
1791	Foreign loan [domain]	Member			ugp:ForeignLoanDomain
1792	Foreign loan one [member]	Member			ugp:ForeignLoanOneMember
1793	Foreign loan two [member]	Member			ugp:ForeignLoanTwoMember
1794	Foreign loan three [member]	Member			ugp:ForeignLoanThreeMember
1795	Foreign loan four [member]	Member			ugp:ForeignLoanFourMember
1796	Foreign loan five [member]	Member			ugp:ForeignLoanFiveMember
1797	Foreign loan six [member]	Member			ugp:ForeignLoanSixMember
1798	Foreign loan seven [member]	Member			ugp:ForeignLoanSevenMember
1799	Summary of loans debentures and finance leases [line items]	LineItems			ugp:SummaryOfLoansDebenturesAndFinanceLeasesLineItems
1800	Loan maturity, date	Concept (Text/String)	For Period		ugp:ForeignLoanMaturityDate
1801	Cost in percentage of CDI	Concept (Percent)	For Period		ugp:AverageCostInPercentageOfCdi
1802	Loan maturity, amount	Concept (Monetary)	For Period	Credit	ugp:ForeignLoanMaturityAmount
1803	1138 - Disclosure - Loans, Debentures, and Finance Leases - Summary of Subsidiary's Loan Maturity (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureLoansDebenturesAndFinanceLeasesSummaryOfSubsidiarysLoanMaturity
1804	Summary of loans debentures and finance leases [table]	Table	*	*	ugp:SummaryOfLoansDebenturesAndFinanceLeasesTable
1805	Consolidated Entities [Axis]	Axis			srt:ConsolidatedEntitiesAxis
1806	Consolidated Entities [Domain]	Member			srt:ConsolidatedEntitiesDomain
1807	Oxiteno USA LLC [member]	Member			ugp:OxitenoUSAMember
1808	Maturity [axis]	Axis			ifrs-full:MaturityAxis
1809	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
1810	Interest and transaction costs [member]	Member			ugp:InterestAndTransactionCostsMember
1811	Mature in August 2019 [member]	Member			ugp:MatureInAugustTwoThousandAndNineteenMember
1812	Mature in February 2020 [member]	Member			ugp:MatureInFebruaryTwoThousandAndTwentyMember
1813	Mature in August 2020 [member]	Member			ugp:MatureInAugustTwoThousandAndTwentyMember
1814	Mature in September 2020 [member]	Member			ugp:MatureInSeptemberTwoThousandAndTwentyMember
1815	Mature in February 2021 [member]	Member			ugp:MatureInFebruaryTwoThousandAndTwentyOneMember
1816	Mature in March 2022 [member]	Member			ugp:MatureInMarchTwoThousandAndTwentyTwoMember
1817	Mature in October 2022 [member]	Member			ugp:MatureInOctoberTwoThousandAndTwentyTwoMember
1818	Mature in March 2023 [member]	Member			ugp:MatureInMarchTwoThousandAndTwentyThreeMember
1819	Maturity in February 2019 [member]	Member			ugp:MaturityThreeMember
1820	Maturity in May 2019 [member]	Member			ugp:MaturityFourMember
1821	Maturity in May 2020 [member]	Member			ugp:MaturityFiveMember
1822	Maturity in May 2021 [member]	Member			ugp:MaturitySixMember
1823	Maturity in May 2022 [member]	Member			ugp:MaturitySevenMember
1824	Maturity in May 2019 [member]	Member			ugp:MaturityTenMember
1825	Maturity in May 2020 [member]	Member			ugp:MaturityElevenMember
1826	Maturity in May 2021 [member]	Member			ugp:MaturityTwelveMember
1827	Maturity in April 2022 [member]	Member			ugp:MaturityThirteenMember
1828	Maturity in July 2022 [member]	Member			ugp:MaturityFourteenMember
1829	Maturity in October 2022 [member]	Member			ugp:MaturityFifteenMember
1830	Maturity In March 2023 [member]	Member			ugp:MaturitySixteenMember
1831	Maturity In December 2023 [member]	Member			ugp:MaturitySeventeenMember
1832	Maturity In April 2024 [member]	Member			ugp:MaturityEighteenMember
1833	Maturity In October 2024 [member]	Member			ugp:MaturityNineteenMember
1834	Maturity In December 2025 [member]	Member			ugp:MaturityTwentyMember
1835	Summary of loans debentures and finance leases [line items]	LineItems			ugp:SummaryOfLoansDebenturesAndFinanceLeasesLineItems
1836	Borrowings	Concept (Monetary)	As Of	Credit	ifrs-full:Borrowings
1837	Loan maturity, Banco de Brasil	Concept (Monetary)	For Period	Credit	ugp:LoanMaturityBancoDeBrasil
1838	Debentures	Concept (Monetary)	As Of	Credit	ugp:Debentures
1839	1139 - Disclosure - Loans, Debentures, and Finance Leases - Summary of Equipment and Intangible Assets, Net of Depreciation and Amortization, and Corresponding Liabilities (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureLoansDebenturesAndFinanceLeasesSummaryOfEquipmentAndIntangibleAssetsNetOfDepreciationAndAmortizationAndCorrespondingLiabilities
1840	Implied Table	Table	*	*	implied:Table
1841	Disclosure of loans debentures and finance leases [abstract]	Abstract			ugp:DisclosureOfLoansDebenturesAndFinanceLeasesAbstract
1842	Equipment and intangible assets, net of depreciation and amortization	Concept (Monetary)	As Of	Credit	ugp:EquipmentAndIntangibleAssetsNetOfDepreciationAndAmortization
1843	Financing (present value)	Concept (Monetary)	As Of	Credit	ugp:FinancingPresentValue
1844	Current	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentFinanceLeaseLiabilities
1845	Non-current	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentFinanceLeaseLiabilities
1846	1140 - Disclosure - Loans, Debentures, and Finance Leases - Summary of Future Disbursements (Installments) Assumed Under Contracts (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureLoansDebenturesAndFinanceLeasesSummaryOfFutureDisbursementsInstallmentsAssumedUnderContracts
1847	Summary of loans debentures and finance leases [table]	Table	*	*	ugp:SummaryOfLoansDebenturesAndFinanceLeasesTable
1848	Range [axis]	Axis			ifrs-full:RangeAxis
1849	Ranges [member]	Member			ifrs-full:RangesMember
1850	Up to 1 year [member]	Member			ugp:UpTo1YearMember
1851	From 1 to 2 years [member]	Member			ugp:From1To2YearsMember
1852	From 2 to 3 years [member]	Member			ugp:From2To3YearsMember
1853	From 3 to 4 years [member]	Member			ugp:From3To4YearsMember
1854	From 4 to 5 years [member]	Member			ugp:From4To5YearsMember
1855	More than 5 years [member]	Member			ugp:MoreThan5YearsMember
1856	Summary of loans debentures and finance leases [line items]	LineItems			ugp:SummaryOfLoansDebenturesAndFinanceLeasesLineItems
1857	Future disbursements	Concept (Monetary)	As Of	Credit	ugp:FutureDisbursementsInstallmentsFinanceLeases
1858	1141 - Disclosure - Loans, Debentures, and Finance Leases - Summary of Transaction Costs (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureLoansDebenturesAndFinanceLeasesSummaryOfTransactionCosts
1859	Summary of loans debentures and finance leases [table]	Table	*	*	ugp:SummaryOfLoansDebenturesAndFinanceLeasesTable
1860	Classes of financial instruments [axis]	Axis			ifrs-full:ClassesOfFinancialInstrumentsAxis
1861	Financial instruments, class [member]	Member			ifrs-full:ClassesOfFinancialInstrumentsMember
1862	Notes in foreign market [member]	Member			ugp:NotesInForeignMarketMember
1863	Banco do Brasil [member]	Member			ugp:BancoDoBrasilMember
1864	Debentures [member]	Member			ugp:DebenturesMember
1865	Foreign loans [member]	Member			ugp:ForeignLoansMember
1866	Other transaction costs [member]	Member			ugp:OtherTransactionCostsMember
1867	Summary of loans debentures and finance leases [line items]	LineItems			ugp:SummaryOfLoansDebenturesAndFinanceLeasesLineItems
1868	Effective rate of transaction costs	Concept (Percent)	For Period		ugp:EffectiveRateOfTransactionCosts
1869	Transaction costs, beginning	Concept (Monetary)	As Of	Debit	ugp:TransactionCostsFinancialInstruments
1870	Incurred cost	Concept (Monetary)	For Period	Debit	ugp:IncurredTransactionCost
1871	Amortization	Concept (Monetary)	For Period	Credit	ugp:TransactionCostAmortization
1872	Transaction costs, ending	Concept (Monetary)	As Of	Debit	ugp:TransactionCostsFinancialInstruments
1873	1142 - Disclosure - Loans, Debentures, and Finance Leases - Summary of Appropriated Profit or Loss in The Future (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureLoansDebenturesAndFinanceLeasesSummaryOfAppropriatedProfitOrLossInTheFuture
1874	Summary of loans debentures and finance leases [table]	Table	*	*	ugp:SummaryOfLoansDebenturesAndFinanceLeasesTable
1875	Classes of financial instruments [axis]	Axis			ifrs-full:ClassesOfFinancialInstrumentsAxis
1876	Financial instruments, class [member]	Member			ifrs-full:ClassesOfFinancialInstrumentsMember
1877	Notes in foreign market [member]	Member			ugp:NotesInForeignMarketMember
1878	Banco do Brasil [member]	Member			ugp:BancoDoBrasilMember
1879	Debentures [member]	Member			ugp:DebenturesMember
1880	Foreign loans [member]	Member			ugp:ForeignLoansMember
1881	Other transaction costs [member]	Member			ugp:OtherTransactionCostsMember
1882	Range [axis]	Axis			ifrs-full:RangeAxis
1883	Ranges [member]	Member			ifrs-full:RangesMember
1884	Up to 1 year [member]	Member			ugp:UpTo1YearMember
1885	From 1 to 2 years [member]	Member			ugp:From1To2YearsMember
1886	From 2 to 3 years [member]	Member			ugp:From2To3YearsMember
1887	From 3 to 4 years [member]	Member			ugp:From3To4YearsMember
1888	From 4 to 5 years [member]	Member			ugp:From4To5YearsMember
1889	More than 5 years [member]	Member			ugp:MoreThan5YearsMember
1890	Summary of loans debentures and finance leases [line items]	LineItems			ugp:SummaryOfLoansDebenturesAndFinanceLeasesLineItems
1891	Amount appropriated to profit or loss in the future	Concept (Monetary)	As Of	Credit	ugp:AmountAppropriatedToProfitOrLossInFuture
1892	1143 - Disclosure - Trade Payables - Summary of Trade Payables (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureTradePayablesSummaryOfTradePayables
1893	Disclosure of Payables [table]	Table	*	*	ugp:DisclosureOfPayablesTable
1894	Trade payables [axis]	Axis			ugp:TradePayablesAxis
1895	Trade payables [domain]	Member			ugp:TradePayablesDomain
1896	Domestic suppliers [member]	Member			ugp:DomesticSuppliersMember
1897	Domestic suppliers agreement [member]	Member			ugp:DomesticSuppliersAgreementMember
1898	Foreign suppliers [member]	Member			ugp:ForeignSuppliersMember
1899	Foreign suppliers agreement [member]	Member			ugp:ForeignSuppliersAgreementMember
1900	Summary of trade payables [line items]	LineItems			ugp:SummaryOfTradePayablesLineItems
1901	Trade payables	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherCurrentPayables
1902	1144 - Disclosure - Salaries and Related Charges - Summary of Salaries and Related Charges (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureSalariesAndRelatedChargesSummaryOfSalariesAndRelatedCharges
1903	Disclosure of expenses [table]	Table	*	*	ugp:DisclosureOfExpensesTable
1904	Salaries and related charges [axis]	Axis			ugp:SalariesAndRelatedChargesAxis
1905	Salaries and related charges [domain]	Member			ugp:SalariesAndRelatedChargesDomain
1906	Provisions on payroll [member]	Member			ugp:ProvisionsOnPayrollMember
1907	Profit sharing [member]	Member			ugp:ProfitSharingMember
1908	Social charges [member]	Member			ugp:SocialChargesMember
1909	Other charges [member]	Member			ugp:OtherChargesMember
1910	Summary of salaries and related charges [line items]	LineItems			ugp:SummaryOfSalariesAndRelatedChargesLineItems
1911	Salaries and related charges	Concept (Monetary)	As Of	Credit	ugp:SalariesAndRelatedCharges
1912	1145 - Disclosure - Taxes Payable - Summary of Taxes Payable (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureTaxesPayableSummaryOfTaxesPayable
1913	Disclosure of taxes payable [table]	Table	*	*	ugp:DisclosureOfTaxesPayableTable
1914	Taxes [axis]	Axis			ugp:TaxesAxis
1915	Taxes [domain]	Member			ugp:TaxesDomain
1916	ICMS [member]	Member			ugp:ICMSMember
1917	PIS and COFINS [member]	Member			ugp:PisAndCofinsMember
1918	ISS [member]	Member			ugp:ISSMember
1919	Value Added Tax [member]	Member			ugp:ValueAddedTaxMember
1920	PERT [member]	Member			ugp:PertMember
1921	Others [member]	Member			ugp:OtherTaxesPayableMember
1922	Disclosure of taxes payable [line items]	LineItems			ugp:DisclosureOfTaxesPayableLineItems
1923	Taxes payable	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentTaxLiabilities
1924	1146 - Disclosure - Employee Benefits and Private Pension Plan - Additional information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureEmployeeBenefitsAndPrivatePensionPlanAdditionalInformation
1925	Disclosure Of Employee Benefit Plan [table]	Table	*	*	ugp:DisclosureOfEmployeeBenefitPlanTable
1926	Range [axis]	Axis			ifrs-full:RangeAxis
1927	Ranges [member]	Member			ifrs-full:RangesMember
1928	Bottom of range [member]	Member			ifrs-full:BottomOfRangeMember
1929	Top of range [member]	Member			ifrs-full:TopOfRangeMember
1930	Summary of employee benefits [line items]	LineItems			ugp:SummaryOfEmployeeBenefitsLineItems
1931	Maximum matching contribution percentage	Concept (Percent)	For Period		ugp:MaximumMatchingContributionInProportionToEmployeeGrossSalaryPercentage
1932	Monthly accumulated fund percentage	Concept (Percent)	For Period		ugp:AccumulatedFundPercentage
1933	Fixed monthly accumulated fund period	Concept (xbrli:durationItemType)	For Period		ugp:FixedAccumulatedFundPeriod
1934	Contribution to Ultraprev	Concept (Monetary)	For Period	Debit	ifrs-full:ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset
1935	Number of active participating employees	Concept (Integer)	For Period		ugp:NumberOfActiveParticipatingEmployees
1936	Number of retired participating employees	Concept (Integer)	For Period		ugp:NumberOfRetiredParticipatingEmployees
1937	Number of former employees receiving benefits	Concept (Integer)	For Period		ugp:NumberOfFormerEmployeesReceivingBenefits
1938	1147 - Disclosure - Employee Benefits and Private Pension Plan - Post-employment Benefits (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureEmployeeBenefitsAndPrivatePensionPlanPostemploymentBenefits
1939	Disclosure of employee benefits [table]	Table	*	*	ugp:DisclosureOfEmployeeBenefitsTable
1940	Post employment benefits [axis]	Axis			ugp:PostEmploymentBenefitsAxis
1941	Post employment benefits [domain]	Member			ugp:PostEmploymentBenefitsDomain
1942	Health and dental care plan [member]	Member			ugp:HealthAndDentalCareMember
1943	Indemnification of FGTS [member]	Member			ugp:IndemnificationOfFGTSMember
1944	Seniority bonus [member]	Member			ugp:SeniorityBonusMember
1945	Life insurance [member]	Member			ugp:LifeInsuranceMember
1946	Summary of employee benefits [line items]	LineItems			ugp:SummaryOfEmployeeBenefitsLineItems
1947	Total	Concept (Monetary)	As Of	Credit	ifrs-full:ProvisionsForEmployeeBenefits
1948	Current	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentProvisionsForEmployeeBenefits
1949	Non-current	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentProvisionsForEmployeeBenefits
1950	1148 - Disclosure - Employee Benefits and Private Pension Plan - Changes in provision for post-employment benefits (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureEmployeeBenefitsAndPrivatePensionPlanChangesInProvisionForPostemploymentBenefits
1951	Implied Table	Table	*	*	implied:Table
1952	Employee benefits and private pension plan details 1 [abstract]	Abstract			ugp:EmployeeBenefitsAndPrivatePensionPlanDetails1Abstract
1953	Provision for post-employment benefits, opening	Concept (Monetary)	As Of	Credit	ifrs-full:ProvisionsForEmployeeBenefits
1954	Current service cost	Concept (Monetary)	For Period	Credit	ugp:EmployeetBenefitsCurrentServiceCost
1955	Interest cost	Concept (Monetary)	For Period	Credit	ugp:EmployeeBenefitsInterestCost
1956	Actuarial (gains) losses from changes in actuarial assumptions	Concept (Monetary)	For Period	Credit	ugp:ActuarialGainsLossesFromChangesInActuarialAssumptionsEmployeeBenefits
1957	Benefits paid directly by Company and its subsidiaries	Concept (Monetary)	For Period	Debit	ugp:EmployeeBenefitsPaidDirectlyByCompanyAndItsSubsidiaries
1958	Opening balance CBL S.A. (see Note 3.c)	Concept (Monetary)	For Period	Debit	ugp:EmployeeBenefitPlansOpeningBalanceCblsa
1959	Exchange rate from foreign subsidiaries	Concept (Monetary)	For Period	Credit	ugp:EmployeeBenefitsExchangeRateFromForeignSubsidiaries
1960	Provision for post-employment benefits, ending	Concept (Monetary)	As Of	Credit	ifrs-full:ProvisionsForEmployeeBenefits
1961	1149 - Disclosure - Employee Benefits and Private Pension Plan - Post-employment benefit expense (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureEmployeeBenefitsAndPrivatePensionPlanPostemploymentBenefitExpense
1962	Disclosure of employee benefits [table]	Table	*	*	ugp:DisclosureOfEmployeeBenefitsTable
1963	Post employment benefits [axis]	Axis			ugp:PostEmploymentBenefitsAxis
1964	Post employment benefits [domain]	Member			ugp:PostEmploymentBenefitsDomain
1965	Health and dental care plan [member]	Member			ugp:HealthAndDentalCareMember
1966	Indemnification of FGTS [member]	Member			ugp:IndemnificationOfFGTSMember
1967	Seniority bonus [member]	Member			ugp:SeniorityBonusMember
1968	Life insurance [member]	Member			ugp:LifeInsuranceMember
1969	Summary of employee benefits [line items]	LineItems			ugp:SummaryOfEmployeeBenefitsLineItems
1970	Employee benefit expense	Concept (Monetary)	For Period	Debit	ifrs-full:EmployeeBenefitsExpense
1971	1150 - Disclosure - Employee Benefits and Private Pension Plan - Significant actuarial assumptions adopted (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureEmployeeBenefitsAndPrivatePensionPlanSignificantActuarialAssumptionsAdopted
1972	Implied Table	Table	*	*	implied:Table
1973	Employee benefits and private pension plan details 3 [abstract]	Abstract			ugp:EmployeeBenefitsAndPrivatePensionPlanDetails3Abstract
1974	Discount rate for the actuarial obligation at present value	Concept (Percent)	As Of		ifrs-full:ActuarialAssumptionOfDiscountRates
1975	Average projected salary growth rate	Concept (Percent)	As Of		ugp:AverageProjectedSalaryGrowthRate
1976	Inflation rate (long term)	Concept (Percent)	As Of		ugp:InflationRateLongTerm
1977	Growth rate of medical services	Concept (Percent)	As Of		ugp:GrowthRateOfMedicalServices
1978	1151 - Disclosure - Employee Benefits and Private Pension Plan - Sensitivity analysis (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureEmployeeBenefitsAndPrivatePensionPlanSensitivityAnalysis
1979	Disclosure of employee benefits [table]	Table	*	*	ugp:DisclosureOfEmployeeBenefitsTable
1980	Actuarial assumptions [axis]	Axis			ifrs-full:ActuarialAssumptionsAxis
1981	Actuarial assumptions [member]	Member			ifrs-full:ActuarialAssumptionsMember
1982	Discount rate [member]	Member			ugp:DiscountRateMember
1983	Wage growth rate [member]	Member			ugp:WageGrowthRateMember
1984	Medical services growth rate [member]	Member			ugp:MedicalServicesGrowthRateMember
1985	Summary of employee benefits [line items]	LineItems			ugp:SummaryOfEmployeeBenefitsLineItems
1986	Change in assumptions	Concept (Text/String)	For Period		ugp:ChangesInAssumptionDecreaseInLiability
1987	Decrease in liability	Concept (Monetary)	For Period	Debit	ugp:ActuarialAssumptionsDecreaseInLiability
1988	Change in assumptions	Concept (Text/String)	For Period		ugp:ChangeInAssumptionsIncreaseInLiability
1989	Increase in liability	Concept (Monetary)	For Period	Credit	ugp:ActuarialAssumptionIncreaseInLiability
1990	1152 - Disclosure - Provision for Asset Retirement Obligation - Fuel Tanks - Changes in the provision for asset retirement obligation (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureProvisionForAssetRetirementObligationFuelTanksChangesInTheProvisionForAssetRetirementObligation
1991	Disclosure Of Post Employment Benefits [table]	Table	*	*	ugp:DisclosureOfPostEmploymentBenefitsTable
1992	Defined benefit plans [axis]	Axis			ifrs-full:DefinedBenefitPlansAxis
1993	Defined benefit plans [member]	Member			ifrs-full:DefinedBenefitPlansMember
1994	Asset Retirement Obligation [member]	Member			ugp:AssetRetirementObligationMember
1995	Disclosure Of Post Employment Benefits [line items]	LineItems			ugp:DisclosureOfPostEmploymentBenefitsLineItems
1996	Beginning balance	Concept (Monetary)	As Of	Credit	ifrs-full:OtherProvisions
1997	Additions (new tanks)	Concept (Monetary)	For Period	Credit	ifrs-full:AdditionalProvisionsOtherProvisions
1998	Expense with tanks removed	Concept (Monetary)	For Period	Debit	ugp:ProvisionExpenses
1999	Accretion expense	Concept (Monetary)	For Period	Debit	ugp:AccretionExpenseOtherProvisions
2000	Ending Balance	Concept (Monetary)	As Of	Credit	ifrs-full:OtherProvisions
2001	Current	Concept (Monetary)	As Of	Credit	ifrs-full:OtherShorttermProvisions
2002	Non-current	Concept (Monetary)	As Of	Credit	ifrs-full:OtherLongtermProvisions
2003	1153 - Disclosure - Provisions and Contingencies - Breakdown of provisions by nature (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureProvisionsAndContingenciesBreakdownOfProvisionsByNature
2004	Summary Of Provisions [table]	Table	*	*	ugp:SummaryOfProvisionsTable
2005	Classes of other provisions [axis]	Axis			ifrs-full:ClassesOfProvisionsAxis
2006	Other provisions [member]	Member			ifrs-full:OtherProvisionsMember
2007	IRPJ and CSLL [member]	Member			ugp:IrpjandcsllMember
2008	PIS and COFINS [member]	Member			ugp:PisAndCofinsMember
2009	ICMS [member]	Member			ugp:ICMSMember
2010	Civil, environmental and regulatory claims [member]	Member			ugp:ClaimsMember
2011	Labor litigation [member]	Member			ugp:LaborLitigationMember
2012	Other [member]	Member			ugp:OtherProvisionMember
2013	Summary Of Provisions [line items]	LineItems			ugp:SummaryOfProvisionsLineItems
2014	Provisions by nature, beginning	Concept (Monetary)	As Of	Credit	ugp:ProvisionForTaxCivilAndLaborRisks
2015	Additions	Concept (Monetary)	For Period	Credit	ugp:AdditionsToProvisionForTaxCivilAndLaborRisks
2016	Write-offs	Concept (Monetary)	For Period	Credit	ugp:WriteOffsOfProvisionForTaxCivilAndLaborRisks
2017	Payments	Concept (Monetary)	For Period	Debit	ugp:PaymentOfProvisionForTaxCivilAndLaborRisks
2018	Interest	Concept (Monetary)	For Period	Credit	ugp:InterestOnProvisionForTaxCivilAndLaborRisks
2019	Provisions by nature, ending	Concept (Monetary)	As Of	Credit	ugp:ProvisionForTaxCivilAndLaborRisks
2020	Current	Concept (Monetary)	As Of	Credit	ugp:CurrentProvisionForTaxCivilAndLaborRisks
2021	Non-current	Concept (Monetary)	As Of	Credit	ugp:NonCurrentProvisionForTaxCivilAndLaborRisks
2022	1154 - Disclosure - Provisions and Contingencies - Balances of escrow deposits (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureProvisionsAndContingenciesBalancesOfEscrowDeposits
2023	Summary Of Provisions [table]	Table	*	*	ugp:SummaryOfProvisionsTable
2024	Escrow deposits [axis]	Axis			ugp:EscrowDepositsAxis
2025	Escrow deposits [domain]	Member			ugp:EscrowDepositsDomain
2026	Tax matters [member]	Member			ugp:TaxMattersMember
2027	Labor litigation [member]	Member			ugp:LaborLitigationMember
2028	Civil and other [member]	Member			ugp:CivilAndOtherMember
2029	Summary of escrow deposits [line items]	LineItems			ugp:SummaryOfEscrowDepositsLineItems
2030	Total - non-current assets	Concept (Monetary)	As Of	Debit	ifrs-full:LongtermDeposits
2031	1155 - Disclosure - Provisions and Contingencies - Additional information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureProvisionsAndContingenciesAdditionalInformation
2032	Disclosure of collateral and contractual commitments [table]	Table	*	*	ugp:DisclosureOfCollateralAndContractualCommitmentsTable
2033	Classes of other provisions [axis]	Axis			ifrs-full:ClassesOfProvisionsAxis
2034	Other provisions [member]	Member			ifrs-full:OtherProvisionsMember
2035	PIS and COFINS [member]	Member			ugp:PisAndCofinsMember
2036	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
2037	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
2038	Cia. Ultragaz and Bahiana [member]	Member			ugp:CiaUltragazAndBahianaMember
2039	Three employees and one former employee [member]	Member			ugp:ThreeEmployeesAndOneFormerEmployeeMember
2040	Two former employees, each [member]	Member			ugp:TwoFormerEmployeesEachMember
2041	Chevron and subsidiary IPP [member]	Member			ugp:ChevronAndSubsidiaryIPPMember
2042	Range [axis]	Axis			ifrs-full:RangeAxis
2043	Ranges [member]	Member			ifrs-full:RangesMember
2044	Bottom of range [member]	Member			ifrs-full:BottomOfRangeMember
2045	Top of range [member]	Member			ifrs-full:TopOfRangeMember
2046	Disclosure of collateral and contractual commitments [line items]	LineItems			ugp:DisclosureOfCollateralAndContractualCommitmentsLineItems
2047	Escrow deposits made under preliminary injunction	Concept (Monetary)	For Period	Debit	ugp:EscrowDepositsMadeUnderPreLiminaryInjunction
2048	Reversed of the provision	Concept (Monetary)	For Period	Credit	ugp:WriteOffsOfProvisionForTaxCivilAndLaborRisks
2049	Profit or loss on provision	Concept (Monetary)	For Period	Credit	ugp:ProfitLossOnProvisionForTaxCivilAndLaborRisks
2050	Provisions for lawsuits and administrative proceedings	Concept (Monetary)	As Of	Credit	ugp:ProvisionsForLawsuitsAndAdministrativeProceedings
2051	Provisions for labor litigation filed by former employees	Concept (Monetary)	As Of	Credit	ugp:ProvisionsForLaborLitigationFiledByFormerEmployees
2052	Possible contingency	Concept (Monetary)	As Of	Credit	ugp:PossibleContingency
2053	Percentage of possible loss contingency	Concept (Percent)	For Period		ugp:PercentageOfPossibleLossContingency
2054	Contingent liabilities for tax matters and social security	Concept (Monetary)	As Of	Credit	ugp:ContingentLiabilitiesForTaxMattersAndSocialSecurity
2055	IPIContingency	Concept (Monetary)	As Of	Credit	ugp:IpiContingency
2056	Legal Proceedings Related To Icms	Concept (Monetary)	As Of	Credit	ugp:LegalProceedingsRelatedToiCms
2057	ICMS credits	Concept (Monetary)	As Of	Debit	ugp:IcmsCredits
2058	Reversal of ICMS credits	Concept (Monetary)	For Period	Credit	ugp:ReversalOfICMSCredits
2059	Reversal of alleged non-payment	Concept (Monetary)	For Period	Credit	ugp:ReversalOfAllegedNonpayment
2060	Reversal of inventory differences	Concept (Monetary)	For Period	Credit	ugp:ReversalOfInventoryDifferences
2061	Reversal of conditioned fruition of fiscal incentive	Concept (Monetary)	For Period	Credit	ugp:ReversalOfConditionedFruitionOfFiscalIncentive
2062	Offset claims and credit dis-allowances	Concept (Monetary)	As Of	Credit	ugp:OffsetClaimsAndCreditDisallowances
2063	Amortization of goodwill paid on acquisition of subsidiary	Concept (Monetary)	As Of	Credit	ugp:AmortizationOfGoodwillPaidOnAcquisitionOfSubsidiary
2064	Contingent liabilities for civil, environmental and regulatory claims	Concept (Monetary)	As Of	Credit	ugp:ContingentLiabilitiesForCivilEnvironmentalAndRegulatoryClaims
2065	Number of lawsuits for civil, environmental and regulatory claims	Concept (Integer)	For Period		ugp:NumberOfLawsuitsFiledForCivilEnvironmentalAndRegulatoryClaims
2066	Penalty on Ultragaz	Concept (Monetary)	As Of	Credit	ugp:PenaltyOnUltragaz
2067	Liability provisions	Concept (Monetary)	As Of	Credit	ifrs-full:LegalProceedingsProvision
2068	Contingent liabilities not recognized to lawsuits	Concept (Monetary)	As Of	Credit	ugp:ContingentLiabilitiesNotRecognizedToLawsuit
2069	Contingent liabilities not recognized to extrajudicial lawsuits	Concept (Monetary)	As Of	Credit	ugp:ContingentLiabilitiesNotRecognizedToExtrajudicialLawsuits
2070	Contingent liabilities for labor matters	Concept (Monetary)	As Of	Credit	ugp:ContingentLiabilitiesForLaborMatters
2071	Number of lawsuits for labor matters	Concept (Integer)	For Period		ugp:NumberOfLawsuitsFiledForLaborMatters
2072	1156 - Disclosure - Ultracargo - Fire Accident in Santos - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureUltracargoFireAccidentInSantosAdditionalInformation
2073	Disclosure of trade payables and receivables [table]	Table	*	*	ugp:DisclosureOfTradePayablesAndReceivablesTable
2074	Other operating income net [axis]	Axis			ugp:OtherOperatingIncomeNetAxis
2075	Other operating income net [domain]	Member			ugp:OtherOperatingIncomeNetDomain
2076	Ultracargo fire accident in Santos [member]	Member			ugp:UltraCargoFireMember
2077	Disclosure of trade payables and receivables [line items]	LineItems			ugp:DisclosureOfTradePayablesAndReceivablesLineItems
2078	Percentage of overall capacity affected by fire	Concept (Percent)	For Period		ugp:PercentageOfOverallCapacityAffectedByFire
2079	Total cubic meters licensing required for the return to operation	Concept (Decimal)	For Period		ugp:TotalCubicMetersLicensingRequiredForTheReturnToOperation
2080	Total cubic meters affected by the fire	Concept (Decimal)	For Period		ugp:TotalCubicMetersAffectedByFire
2081	Insurance receivable	Concept (Monetary)	As Of	Debit	ugp:InsuranceReceivable
2082	Indeminites to customers and third parties	Concept (Monetary)	As Of	Credit	ugp:CustomersAndThirdPartiesPayables
2083	Rescue, containment expense and loss of profit	Concept (Monetary)	As Of	Debit	ugp:RescueContainmentExpensesAndLossOfProfit
2084	Other operating income, net	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromOperatingActivities
2085	1157 - Disclosure - Ultracargo - Fire Accident in Santos - Summary of remaining balance of trade payables customers and third parties indemnification (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureUltracargoFireAccidentInSantosSummaryOfRemainingBalanceOfTradePayablesCustomersAndThirdPartiesIndemnification
2086	Implied Table	Table	*	*	implied:Table
2087	Disclosure of trade payables [abstract]	Abstract			ugp:DisclosureOfTradePayablesAbstract
2088	Beginning balance	Concept (Monetary)	For Period	Credit	ugp:CustomersAndThirdPartiesPayablesBeginningBalance
2089	Additions	Concept (Monetary)	For Period	Credit	ugp:AdditionsToCustomersAndThirdPartiesPayables
2090	Write-offs	Concept (Monetary)	For Period	Credit	ugp:WriteOffsOfCustomersAndThirdPartiesPayables
2091	Payments	Concept (Monetary)	For Period	Credit	ugp:PaymentsToCustomersAndThirdPartiesPayables
2092	Ending balance	Concept (Monetary)	As Of	Credit	ugp:CustomersAndThirdPartiesPayablesEndingBalance
2093	1158 - Disclosure - Deferred Revenue - Deferred revenue in subsidiaries (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureDeferredRevenueDeferredRevenueInSubsidiaries
2094	Disclosure Of Deferred Revenue [table]	Table	*	*	ugp:DisclosureOfDeferredRevenueTable
2095	Deferred revenue [axis]	Axis			ugp:DeferredRevenueAxis
2096	Deferred revenue [domain]	Member			ugp:DeferredRevenueDomain
2097	Franchising upfront fee [member]	Member			ugp:FranchisingUpfrontFeeMember
2098	Loyalty program one [member]	Member			ugp:LoyaltyProgramOneMember
2099	Loyalty program two [member]	Member			ugp:LoyaltyProgramTwoMember
2100	Summary of deferred revenue [line items]	LineItems			ugp:SummaryOfDeferredRevenueLineItems
2101	Deferred revenue	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredIncome
2102	Current	Concept (Monetary)	As Of	Credit	ugp:DeferredIncomeCurrent
2103	Non-current	Concept (Monetary)	As Of	Credit	ugp:DeferredIncomeNoncurrent
2104	1159 - Disclosure - Deferred Revenue - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureDeferredRevenueAdditionalInformation
2105	Disclosure Of Deferred Revenue [table]	Table	*	*	ugp:DisclosureOfDeferredRevenueTable
2106	Products and services [axis]	Axis			ifrs-full:ProductsAndServicesAxis
2107	Products and services [member]	Member			ifrs-full:ProductsAndServicesMember
2108	am/pm [member]	Member			ugp:AmPmMember
2109	Jet Oil [member]	Member			ugp:JetOilMember
2110	Summary of deferred revenue [line items]	LineItems			ugp:SummaryOfDeferredRevenueLineItems
2111	Number of stores	Concept (Integer)	As Of		ugp:NumberOfStores1
2112	1160 - Disclosure - Subscription warrants - indemnification - Additional information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureSubscriptionWarrantsIndemnificationAdditionalInformation
2113	Implied Table	Table	*	*	implied:Table
2114	Subscription warrants - indemnification [abstract]	Abstract			ugp:SubscriptionWarrantsIndemnificationAbstract
2115	Subscription warrants shares issued	Concept (Shares)	For Period		ugp:SubscriptionWarrantsSharesIssued
2116	Maximum number of shares to be issued - subscription warrants	Concept (Shares)	For Period		ugp:MaximumNumberOfSharesToBeIssuedSubscriptionWarrants
2117	Subscription warrants, shares	Concept (Shares)	As Of		ugp:SubscriptionWarrantsShares
2118	Subscription warrants - indemnification	Concept (Monetary)	As Of	Credit	ugp:SubscriptionWarrants
2119	Maximum number of shares available for issue - subscription warrants	Concept (Shares)	For Period		ugp:MaximumNumberOfSharesAvailableForIssueSubscriptionWarrants
2120	1161 - Disclosure - Equity - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureEquityAdditionalInformation
2121	Shareholders Equity [table]	Table	*	*	ugp:ShareholdersEquityTable
2122	Range [axis]	Axis			ifrs-full:RangeAxis
2123	Ranges [member]	Member			ifrs-full:RangesMember
2124	Top of range [member]	Member			ifrs-full:TopOfRangeMember
2125	Shareholders Equity [line items]	LineItems			ugp:ShareholdersEquityLineItems
2126	Subscribed and paid-in capital stock	Concept (Shares)	As Of		ugp:SubscribedAndPaidInCapitalStock
2127	Common shares authorized	Concept (Shares)	As Of		ifrs-full:NumberOfSharesAuthorised
2128	Price of the shares issued	Concept (Share)	For Period		ugp:ShareIssuePrice
2129	Common shares outstanding	Concept (Shares)	As Of		ifrs-full:NumberOfSharesOutstanding
2130	Shares held in treasury	Concept (Shares)	As Of		ugp:SharesHeldInTreasury
2131	Average cost	Concept (Share)	For Period		ugp:TreasurySharesAveragePrice
2132	Increase in capital reserves	Concept (Monetary)	As Of	Credit	ugp:CapitalIncreasesReserved
2133	Incurred costs directly attributable to issuing new shares	Concept (Monetary)	For Period	Debit	ifrs-full:ShareIssueRelatedCost
2134	Retention of profits and investments reserve	Concept (Monetary)	For Period	Credit	ugp:RetentionOfProfitsAndInvestmentsReserve
2135	Dividends payable	Concept (Monetary)	As Of	Credit	ifrs-full:DividendsPayable
2136	Dividends per share	Concept (Share)	As Of		ugp:DividendPerShare
2137	Dividends paid	Concept (Monetary)	For Period	Debit	ugp:DividendPaid
2138	1162 - Disclosure - Equity - Balance of Other Comprehensive Income (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureEquityBalanceOfOtherComprehensiveIncome
2139	Statement of changes in equity [table]	Table	*	*	ifrs-full:StatementOfChangesInEquityTable
2140	Valuation techniques used in fair value measurement [axis]	Axis			ifrs-full:ValuationTechniquesUsedInFairValueMeasurementAxis
2141	Valuation techniques [member]	Member			ifrs-full:ValuationTechniquesMember
2142	Fair value of cash flow hedging instruments [member]	Member			ugp:FairValueCashFlowHedgingInstrumentsMember
2143	Fair value of financial instruments [member]	Member			ugp:FairValueFinancialInstrumentsAvailableForSaleMember
2144	Actuarial gains (losses) of post-employment benefits [member]	Member			ugp:ActuarialGainsOfPostemploymentBenefitsMember
2145	Non-controlling shareholders interest change [member]	Member			ugp:NoncontrollingShareholdersInterestChangeMember
2146	Total [member]	Member			ugp:TotalValuationAdjustmentsMember
2147	Summary of shareholders equity [line items]	LineItems			ugp:SummaryOfShareholdersEquityLineItems
2148	Beginning balance	Concept (Monetary)	As Of	Credit	ugp:OtherComprehensiveIncomeOfTheCompany
2149	Changes in fair value of financial instruments	Concept (Monetary)	For Period	Credit	ugp:ChangesInFairValueOfFinancialInstruments
2150	Income and social contribution taxes on fair value	Concept (Monetary)	For Period	Debit	ugp:IncomeAndSocialContributionTaxesOnFairValue
2151	Difference between the fair value of the consideration received or paid and the variation in the non-controlling shareholders interest	Concept (Monetary)	For Period	Credit	ugp:DifferenceFairValueOfConsiderationReceivedOrPaid
2152	Actuarial losses of post-employment benefits	Concept (Monetary)	For Period	Debit	ugp:ActuarialLossesOfPostemploymentBenefits
2153	Income and social contribution taxes on actuarial losses	Concept (Monetary)	For Period	Debit	ugp:IncomeAndSocialContributionTaxesOnActuarialLosses
2154	Ending balance	Concept (Monetary)	As Of	Credit	ugp:OtherComprehensiveIncomeOfTheCompany
2155	1163 - Disclosure - Equity - Balance and Changes in Cumulative Translation Adjustments (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureEquityBalanceAndChangesInCumulativeTranslationAdjustments
2156	Implied Table	Table	*	*	implied:Table
2157	Statement of changes in equity [abstract]	Abstract			ifrs-full:StatementOfChangesInEquityAbstract
2158	Beginning Balance	Concept (Monetary)	As Of	Credit	ugp:TranslationAdjustments
2159	Translation of foreign subsidiaries, net of IRPJ and CSLL	Concept (Monetary)	For Period	Credit	ugp:TranslationOfForeignSubsidiariesIncludingNetOfIRPJAndCSLLInvestmentsHedge
2160	Ending Balance	Concept (Monetary)	As Of	Credit	ugp:TranslationAdjustments
2161	1164 - Disclosure - Equity - Dividends and Allocation of Net Income (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureEquityDividendsAndAllocationOfNetIncome
2162	Implied Table	Table	*	*	implied:Table
2163	Shareholders equity details [abstract]	Abstract			ugp:ShareholdersEquityDetailsAbstract
2164	Net income for the year attributable to shareholders of Ultrapar	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToOwnersOfParent
2165	Minimum mandatory dividends	Concept (Monetary)	As Of	Credit	ugp:MinimumMandatoryDividends
2166	Interim dividends paid (R$ 0.56 per share)	Concept (Monetary)	For Period	Debit	ugp:InterimDividendsPaid
2167	Mandatory dividends payable - Current liabilities	Concept (Monetary)	For Period	Debit	ugp:MandatoryDividendsPayable
2168	Additional dividends to the minimum mandatory dividends - equity	Concept (Monetary)	As Of	Credit	ugp:AdditionalDividendsToMinimumMandatoryDividends
2169	Dividends payable (R$ 0.70 per share)	Concept (Monetary)	As Of	Credit	ugp:InterimDividendPayable
2170	Legal reserve (5% of the net income)	Concept (Monetary)	For Period	Debit	ugp:LegalReserves
2171	Statutory investments reserve	Concept (Monetary)	As Of	Credit	ugp:StatutoryInvestmentsReserve
2172	1165 - Disclosure - Equity - Dividends and Allocation of Net Income (Parenthetical) (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureEquityDividendsAndAllocationOfNetIncomeParenthetical
2173	Implied Table	Table	*	*	implied:Table
2174	Shareholders equity details [abstract]	Abstract			ugp:ShareholdersEquityDetailsAbstract
2175	Legal reserve as percentage of net income	Concept (Percent)	For Period		ugp:LegalReserveAsPercentageOfNetIncome
2176	1166 - Disclosure - Equity - Disclosure - Equity - Summary of Balances and Changes in Consolidated Dividends Payable (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureEquityDisclosureEquitySummaryOfBalancesAndChangesInConsolidatedDividendsPayable
2177	Implied Table	Table	*	*	implied:Table
2178	Shareholders equity details [abstract]	Abstract			ugp:ShareholdersEquityDetailsAbstract
2179	Beginning balance	Concept (Monetary)	For Period	Credit	ugp:CurrentDividendPayablesBeginningBalance
2180	Provisions	Concept (Monetary)	For Period	Credit	ugp:DividendProvisionAmount
2181	Payments	Concept (Monetary)	For Period	Debit	ugp:DividendPayments
2182	Expired dividends	Concept (Monetary)	For Period	Debit	ugp:ExpiredDividends
2183	Ending balance	Concept (Monetary)	As Of	Credit	ugp:CurrentDividendPayablesEndingBalance
2184	1167 - Disclosure - Net Revenue from Sale and Services - Net Revenue from Sales and Services (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureNetRevenueFromSaleAndServicesNetRevenueFromSalesAndServices
2185	Implied Table	Table	*	*	implied:Table
2186	Net revenue from sale and services details [abstract]	Abstract			ugp:NetRevenueFromSaleAndServicesDetailsAbstract
2187	Gross revenue from sale	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueFromSaleOfGoods
2188	Gross revenue from services	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueFromRenderingOfServices
2189	Sales taxes	Concept (Monetary)	For Period	Debit	ugp:SalesTaxes
2190	Discounts and sales returns	Concept (Monetary)	For Period	Debit	ugp:SalesDiscountsAndReturns
2191	Amortization of contractual assets with customers (see Note 11)	Concept (Monetary)	For Period	Debit	ifrs-full:AmortisationAssetsRecognisedFromCostsIncurredToObtainOrFulfilContractsWithCustomers
2192	Deferred revenue (see Note 23)	Concept (Monetary)	For Period	Credit	ugp:RevenueDeferred
2193	Net revenue from sales and services	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
2194	1168 - Disclosure - Expenses by Nature - Expenses by Nature (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureExpensesByNatureExpensesByNature
2195	Implied Table	Table	*	*	implied:Table
2196	Expenses by nature details [abstract]	Abstract			ugp:ExpensesByNatureDetailsAbstract
2197	Raw materials and materials for use and consumption	Concept (Monetary)	For Period	Debit	ifrs-full:RawMaterialsAndConsumablesUsed
2198	Personnel expenses	Concept (Monetary)	For Period	Debit	ifrs-full:KeyManagementPersonnelCompensationTerminationBenefits
2199	Freight and storage	Concept (Monetary)	For Period	Debit	ugp:FreightAndStorageExpense
2200	Depreciation and amortization	Concept (Monetary)	For Period	Debit	ifrs-full:DepreciationExpense
2201	Advertising and marketing	Concept (Monetary)	For Period	Debit	ugp:AdvertisingAndMarketingExpense
2202	Services provided by third parties	Concept (Monetary)	For Period	Debit	ifrs-full:ServicesExpense
2203	Lease of real estate and equipment	Concept (Monetary)	For Period	Debit	ifrs-full:LeaseAndSubleasePaymentsRecognisedAsExpense
2204	Other expenses	Concept (Monetary)	For Period	Debit	ifrs-full:OtherExpenseByNature
2205	Total	Concept (Monetary)	For Period	Debit	ifrs-full:ExpenseByNature
2206	Cost of products and services sold	Concept (Monetary)	For Period	Debit	ifrs-full:CostOfSales
2207	Selling and marketing	Concept (Monetary)	For Period	Debit	ifrs-full:SellingGeneralAndAdministrativeExpense
2208	General and administrative	Concept (Monetary)	For Period	Debit	ifrs-full:AdministrativeExpense
2209	Total	Concept (Monetary)	For Period	Debit	ifrs-full:ExpenseByNature
2210	1169 - Disclosure - Gain (loss) on Disposal of Property, Plant and Equipment and Intangibles - Additional information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureGainlossOnDisposalOfPropertyPlantAndEquipmentAndIntangiblesAdditionalInformation
2211	Implied Table	Table	*	*	implied:Table
2212	Gain loss on disposal of property plant and equipment and intangibles details narrative [abstract]	Abstract			ugp:GainLossOnDisposalOfPropertyPlantAndEquipmentAndIntangiblesDetailsNarrativeAbstract
2213	Gain (loss) on disposal of property, plant, and equipment	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnDisposalsOfPropertyPlantAndEquipment
2214	1170 - Disclosure - Other Operating Income, Net - Other Operating Income Net (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureOtherOperatingIncomeNetOtherOperatingIncomeNet
2215	Disclosure Of Expenses By Nature [table]	Table	*	*	ugp:DisclosureOfExpensesByNatureTable
2216	Other operating income net [axis]	Axis			ugp:OtherOperatingIncomeNetAxis
2217	Other operating income net [domain]	Member			ugp:OtherOperatingIncomeNetDomain
2218	Commercial partnerships [member]	Member			ugp:CommercialPartnershipsMember
2219	Merchandising [member]	Member			ugp:MerchandisingMember
2220	Loyalty Program [member]	Member			ugp:LoyaltyProgramMember
2221	Ultracargo fire accident in Santos [member]	Member			ugp:UltraCargoFireMember
2222	PIS and COFINS extraordinary credits provisions [member]	Member			ugp:PISAndCOFINSExtraordinaryCreditsProvisionsMember
2223	PIS and COFINS extraordinary credits recoverable taxes [member]	Member			ugp:PISAndCOFINSExtraordinaryCreditsRecoverableTaxesMember
2224	Tcc [member]	Member			ugp:TCCMember
2225	Unrealized acquisition fine [member]	Member			ugp:UnrealizedAcquisitionFineMember
2226	Others [member]	Member			ugp:OtherOperatingIncomeOtherMember
2227	Summary of other operating income net [line items]	LineItems			ugp:SummaryOfOtherOperatingIncomeNetLineItems
2228	Other operating income, net	Concept (Monetary)	For Period	Credit	ifrs-full:OtherOperatingIncomeExpense
2229	1171 - Disclosure - Financial Income (Expense) - Financial Income (Expense) (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialIncomeExpenseFinancialIncomeExpense
2230	Implied Table	Table	*	*	implied:Table
2231	Financial income expense details [abstract]	Abstract			ugp:FinancialIncomeExpenseDetailsAbstract
2232	Interest on financial investments	Concept (Monetary)	For Period	Credit	ugp:FinancialInvestmentsInterest
2233	Interest from customers	Concept (Monetary)	For Period	Credit	ugp:InterestFromCustomers
2234	Changes in subscription warranty-indemnification (see Note 24)	Concept (Monetary)	For Period	Credit	ugp:ChangesInSubscriptionWarrantyIncome
2235	Selic interest on PIS and COFINS credits (see Notes 7.a.2 and 21.a.1.2)	Concept (Monetary)	For Period	Credit	ugp:SelicInterestOnPISAndCOFINSCredits
2236	Other financial income	Concept (Monetary)	For Period	Credit	ifrs-full:OtherFinanceIncome
2237	Financial income	Concept (Monetary)	For Period	Credit	ifrs-full:FinanceIncome
2238	Interest on loans	Concept (Monetary)	For Period	Debit	ugp:LoanInterest
2239	Interest on debentures	Concept (Monetary)	For Period	Debit	ugp:DebenturesInterest
2240	Interest on finance leases	Concept (Monetary)	For Period	Debit	ugp:FinanceLeasesInterest
2241	Bank charges, financial transactions tax, and other charges	Concept (Monetary)	For Period	Debit	ugp:BankChargesFinancialTransactionsTaxAndOtherCharges
2242	Exchange variation, net of gains and losses with derivative instruments	Concept (Monetary)	For Period	Debit	ugp:ExchangeVariationNetOfGainsAndLossesDerivativeInstruments
2243	Reversal of provision - ICMS from PIS and COFINS tax bases (see Note 21.a.1.2)	Concept (Monetary)	For Period	Debit	ugp:ReversalOfProvision
2244	Changes in subscription warranty-indemnification (see Note 24)	Concept (Monetary)	For Period	Debit	ugp:ChangesInSubscriptionWarranty
2245	TCC interest - Bahiana (see Notes 21.b.2.2 and 29)	Concept (Monetary)	For Period	Debit	ugp:TccInterest
2246	Interest of provisions, net, and other financial expenses	Concept (Monetary)	For Period	Debit	ifrs-full:OtherFinanceCost
2247	Financial expenses	Concept (Monetary)	For Period	Debit	ifrs-full:FinanceCosts
2248	Financial income (expense)	Concept (Monetary)	For Period	Credit	ifrs-full:FinanceIncomeCost
2249	1172 - Disclosure - Earnings per Share - Basic and Diluted Earnings per Share (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureEarningsPerShareBasicAndDilutedEarningsPerShare
2250	Implied Table	Table	*	*	implied:Table
2251	Earnings per share [abstract]	Abstract			ifrs-full:EarningsPerShareAbstract
2252	Net income for the year of the Company	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToOwnersOfParent
2253	Weighted average shares outstanding (in thousands)	Concept (Shares)	For Period		ugp:WeightedAverageSharesBasic
2254	Basic earnings per share -R$	Concept (Share)	For Period		ifrs-full:BasicEarningsLossPerShare
2255	Net income for the year of the Company	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToOwnersOfParent
2256	Weighted average shares outstanding (in thousands), including dilution effects	Concept (Shares)	For Period		ifrs-full:WeightedAverageShares
2257	Diluted earnings per share -R$	Concept (Share)	For Period		ifrs-full:DilutedEarningsLossPerShare
2258	1173 - Disclosure - Earnings per Share - Weighted Average Shares Outstanding (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureEarningsPerShareWeightedAverageSharesOutstanding
2259	Implied Table	Table	*	*	implied:Table
2260	Earnings per share details 1 [abstract]	Abstract			ugp:EarningsPerShareDetails1Abstract
2261	Weighted average shares outstanding for basic per share calculation	Concept (Shares)	For Period		ugp:WeightedAverageSharesBasic
2262	Subscription warrants-indemnification	Concept (Shares)	For Period		ugp:SubscriptionWarrantsIndemnificationShares
2263	Deferred Stock Plan	Concept (Shares)	For Period		ugp:DeferredStockPlanShares
2264	Weighted average shares outstanding for diluted per share calculation	Concept (Shares)	For Period		ugp:WeightedAverageSharesDiluted
2265	1174 - Disclosure - Segment Information - Financial Information of Segments (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureSegmentInformationFinancialInformationOfSegments
2266	Disclosure of operating segments [table]	Table	*	*	ifrs-full:DisclosureOfOperatingSegmentsTable
2267	Segments [axis]	Axis			ifrs-full:SegmentsAxis
2268	Segments [member]	Member			ifrs-full:SegmentsMember
2269	Ultragaz [member]	Member			ugp:UltragazMember
2270	Ipiranga [member]	Member			ugp:IpirangaMember
2271	Oxiteno [member]	Member			ugp:OxitenoMember
2272	Ultracargo [member]	Member			ugp:UltracargoMember
2273	Extrafarma [member]	Member			ugp:ExtrafarmaMember
2274	Reportable segments [member]	Member			ifrs-full:ReportableSegmentsMember
2275	All other segments [member]	Member			ifrs-full:AllOtherSegmentsMember
2276	Segment consolidation items [axis]	Axis			ifrs-full:SegmentConsolidationItemsAxis
2277	Entity's total for segment consolidation items [member]	Member			ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
2278	Elimination of intersegment amounts [member]	Member			ifrs-full:EliminationOfIntersegmentAmountsMember
2279	Operating segments [member]	Member			ifrs-full:OperatingSegmentsMember
2280	Disclosure of operating segments [line items]	LineItems			ifrs-full:DisclosureOfOperatingSegmentsLineItems
2281	Net revenue from sales and services	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
2282	Operating income (expense):	Concept (Monetary)	For Period	Credit	ifrs-full:OtherIncomeExpenseFromSubsidiariesJointlyControlledEntitiesAndAssociates
2283	Share of profit (loss) of joint-ventures and associates	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
2284	Income before financial result, income and social contribution taxes	Concept (Monetary)	For Period	Credit	ugp:OperatingIncomeBeforeFinancialIncomeExpensesAndIncomeAndSocialContributionTaxes
2285	Financial result, net	Concept (Monetary)	For Period	Credit	ifrs-full:FinanceIncomeCost
2286	Income before income and social contribution taxes	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossBeforeTax
2287	1175 - Disclosure - Segment Information - Additions to Property, Plant, and Equipment and intangible Assets, Depreciation and Amortization Charges and Asset Reclassification (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureSegmentInformationAdditionsToPropertyPlantAndEquipmentAndIntangibleAssetsDepreciationAndAmortizationChargesAndAssetReclassification
2288	Disclosure Of Segment Information [table]	Table	*	*	ugp:DisclosureOfSegmentInformationTable
2289	Segments [axis]	Axis			ifrs-full:SegmentsAxis
2290	Segments [member]	Member			ifrs-full:SegmentsMember
2291	Ultragaz [member]	Member			ugp:UltragazMember
2292	Ipiranga [member]	Member			ugp:IpirangaMember
2293	Oxiteno [member]	Member			ugp:OxitenoMember
2294	Ultracargo [member]	Member			ugp:UltracargoMember
2295	Extrafarma [member]	Member			ugp:ExtrafarmaMember
2296	Reportable segments [member]	Member			ifrs-full:ReportableSegmentsMember
2297	Others [member]	Member			ugp:OtherSegmentsMember
2298	Summary of segment information [line items]	LineItems			ugp:SummaryOfSegmentInformationLineItems
2299	Total additions to property, plant, and equipment and intangible assets (see Notes 13 and 14)	Concept (Monetary)	For Period	Debit	ugp:AdditionsPropertyPlantAndEquipmentAndIntangibleAssets
2300	Asset retirement obligation - fuel tanks (see Note 20)	Concept (Monetary)	For Period	Credit	ifrs-full:RetirementsIntangibleAssetsAndGoodwill
2301	Depreciation and amortization charges:	Concept (Monetary)	For Period	Debit	ifrs-full:DepreciationAndAmortisationExpense
2302	Capitalized borrowing costs	Concept (Monetary)	For Period		ifrs-full:BorrowingCostsCapitalised
2303	Total investments in property, plant, and equipment and intangible assets (cash flow)	Concept (Monetary)	For Period	Debit	ugp:InvestmentsInPropertyPlantAndEquipmentAndIntangibleAssetsCashFlow
2304	Payments of contractual assets with customers - exclusive rights	Concept (Monetary)	For Period	Credit	ugp:AdjustmentsForPaymentsOfContractualAssetsWithCustomersExclusiveRightsNoncurrent
2305	Amortization of contractual assets with customers - exclusive rights	Concept (Monetary)	For Period	Debit	ifrs-full:AmortisationAssetsRecognisedFromCostsIncurredToObtainOrFulfilContractsWithCustomers
2306	Total assets (excluding intersegment account balances):	Concept (Monetary)	As Of	Debit	ifrs-full:Assets
2307	1176 - Disclosure - Segment Information - Fixed and Intangible Assets of Company Abroad (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureSegmentInformationFixedAndIntangibleAssetsOfCompanyAbroad
2308	Disclosure Of Segment Information [table]	Table	*	*	ugp:DisclosureOfSegmentInformationTable
2309	Geographical areas [axis]	Axis			ifrs-full:GeographicalAreasAxis
2310	Geographical areas [member]	Member			ifrs-full:GeographicalAreasMember
2311	United States [member]	Member			country:US
2312	Mexico [member]	Member			country:MX
2313	Uruguay [member]	Member			country:UY
2314	Venezuela [member]	Member			country:VE
2315	Summary of segment information [line items]	LineItems			ugp:SummaryOfSegmentInformationLineItems
2316	Fixed and intangible assets	Concept (Monetary)	As Of	Debit	ugp:FixedAndIntangibleAssets
2317	1177 - Disclosure - Segment Information - Revenue from Operations Abroad (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureSegmentInformationRevenueFromOperationsAbroad
2318	Disclosure Of Segment Information [table]	Table	*	*	ugp:DisclosureOfSegmentInformationTable
2319	Geographical areas [axis]	Axis			ifrs-full:GeographicalAreasAxis
2320	Geographical areas [member]	Member			ifrs-full:GeographicalAreasMember
2321	Brazil [member]	Member			country:BR
2322	Mexico [member]	Member			country:MX
2323	Uruguay [member]	Member			country:UY
2324	Venezuela [member]	Member			country:VE
2325	Other Latin American Countries [member]	Member			ugp:OtherLatinAmericanCountriesMember
2326	United States [member]	Member			country:US
2327	Far East [member]	Member			ugp:FarEastMember
2328	Europe [member]	Member			ugp:EuropeContinentMember
2329	Others [member]	Member			ugp:OtherRegionsMember
2330	Summary of segment information [line items]	LineItems			ugp:SummaryOfSegmentInformationLineItems
2331	Revenue	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
2332	1178 - Disclosure - Risks and Financial Instruments - Assets and liabilities in foreign currencies (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureRisksAndFinancialInstrumentsAssetsAndLiabilitiesInForeignCurrencies
2333	Implied Table	Table	*	*	implied:Table
2334	Assets in foreign currency abstract	Abstract			ugp:AssetsInForeignCurrencyAbstract
2335	Liabilities in foreign currency	Abstract			ugp:LiabilitiesInForeignCurrencyAbstract
2336	Financing in foreign currency, gross of transaction costs and discount	Concept (Monetary)	As Of	Credit	ugp:FinancingInForeignCurrency
2337	Payables arising from imports, net of advances to foreign suppliers	Concept (Monetary)	As Of	Credit	ugp:PayablesArisingFromImports
2338	Liabilities in foreign currency	Concept (Monetary)	As Of	Credit	ugp:LiabilitiesInForeignCurrency
2339	Foreign currency hedging instruments	Concept (Monetary)	As Of	Credit	ugp:ForeignCurrencyHedgingInstruments
2340	Net liability position - Total	Concept (Monetary)	As Of	Debit	ugp:NetAssetLiabilityPositionTotal
2341	Net asset (liability) position - Income statement effect	Concept (Monetary)	As Of	Debit	ugp:NetAssetLiabilityPositionIncomeStatementEffect
2342	Net liability position - Equity effect	Concept (Monetary)	As Of	Debit	ugp:NetAssetLiabilityPositionShareholdersEquityEffect
2343	Cash, cash equivalents and financial investments in foreign currency (except hedging instruments)	Concept (Monetary)	As Of	Debit	ugp:CashCashEquivalentsAndFinancialInvestmentsInForeignCurrencyExceptHedgingInstruments
2344	Foreign trade receivables, net of allowance for doubtful accounts and advances to foreign customers	Concept (Monetary)	As Of	Debit	ugp:ForeignTradeReceivablesNetOfAllowanceForDoubtfulAccountsAndAdvancesToForeignCustomers
2345	Other net assets in foreign (except cash, cash equivalents, financial investments, trade receivables, financing, and payables)	Concept (Monetary)	As Of	Debit	ugp:OtherNetAssetsInForeignExceptCashCashEquivalentsFinancialInvestmentsTradeReceivablesFinancingAndPayables
2346	Assets in foreign currency	Concept (Monetary)	As Of	Credit	ugp:AssetsInForeignCurrency
2347	1179 - Disclosure - Risks and Financial Instruments - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureRisksAndFinancialInstrumentsAdditionalInformation
2348	Disclosure of detailed information about financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfFinancialInstrumentsTable
2349	Types of hedges [axis]	Axis			ifrs-full:TypesOfHedgesAxis
2350	Hedges [member]	Member			ifrs-full:TypesOfHedgesMember
2351	Hedging against foreign exchange exposure of operations [member]	Member			ugp:HedgingAgainstForeignExchangeExposureOfOperationsMember
2352	Hedging against fixed interest rate plus IPCA in Brazilian Reais [member]	Member			ugp:HedgingAgainstFixedInterestRatePlusIPCAInBrazilianReaisMember
2353	Foreign exchange hedging instruments [member]	Member			ugp:ForeignExchangeHedgingInstrumentsMember
2354	Scenario [axis]	Axis			ugp:ScenarioAxis
2355	Scenario [domain]	Member			ugp:ScenarioDomain
2356	Scenario I [member]	Member			ugp:Scenario1Member
2357	Scenario II [member]	Member			ugp:Scenario2Member
2358	Scenario III [member]	Member			ugp:Scenario3Member
2359	Maturity [axis]	Axis			ifrs-full:MaturityAxis
2360	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
2361	Later than one year [member]	Member			ifrs-full:LaterThanOneYearMember
2362	Range [axis]	Axis			ifrs-full:RangeAxis
2363	Ranges [member]	Member			ifrs-full:RangesMember
2364	Bottom of range [member]	Member			ifrs-full:BottomOfRangeMember
2365	Top of range [member]	Member			ifrs-full:TopOfRangeMember
2366	Hedging instruments [axis]	Axis			ifrs-full:HedgingInstrumentsAxis
2367	Hedging instruments [member]	Member			ifrs-full:HedgingInstrumentsMember
2368	Exchange Rate Swap Receivable In U S Dollars [member]	Member			ugp:ExchangeRateSwapReceivableInUSDollarsMember
2369	Rate swaps [axis]	Axis			ugp:RateSwapsAxis
2370	Rate swaps [domain]	Member			ugp:RateSwapsDomain
2371	Payables in CDI interest rate [member]	Member			ugp:PayablesInCDIInterestRateMember
2372	Asset position at US dollar + 1.17% p.a. [member]	Member			ugp:AssetPositionAtUSDollarPlusOnePointOneSevenPercentPAMember
2373	Asset position at US dollar + LIBOR + 1.29% p.a. [member]	Member			ugp:AssetPositionAtUSDollarPlusLIBORPlusOnePointTwoNinePercentPAMember
2374	Asset position at US dollar + 5.65% p.a. [member]	Member			ugp:AssetPositionAtUSDollarPlusFivePointSixFivePercentPAMember
2375	Disclosure of detailed information about financial instruments [line items]	LineItems			ifrs-full:DisclosureOfFinancialInstrumentsLineItems
2376	Floating interest rate variation	Concept (Percent)	For Period		ugp:FloatingInterestRate
2377	Net liability position	Concept (Monetary)	As Of	Debit	ugp:NetAssetLiabilityPositionTotal
2378	Number of customer or group accounts for more than 10% of total revenue	Concept (Decimal)	For Period		ugp:NumberOfCustomersAccountedForMoreThanTenPercentOfRevenue
2379	Gross indebtedness	Concept (Monetary)	As Of	Credit	ifrs-full:Borrowings
2380	Investment plan	Concept (Monetary)	As Of	Debit	ugp:InvestmentPlan
2381	Cash, cash equivalents, and short-term financial investments	Concept (Monetary)	As Of	Debit	ugp:CashCashEquivalentsAndShortTermFinancialInvestments
2382	Notional amount	Concept (Monetary)	As Of		ifrs-full:NotionalAmount
2383	CDI rate	Concept (Percent)	For Period		ugp:CDIRate
2384	Financial investment basis spread	Concept (Percent)	As Of		ugp:FinancialInstrumentBasisSpreadOnEffectiveRate
2385	Notional amount designated as fair value hedge	Concept (Monetary)	For Period	Credit	ugp:NotionalAmountDesignatedAsFairValueHedge
2386	Principal amount of zero cost collars	Concept (Monetary)	As Of		ifrs-full:NominalOrPrincipalAmountOfFinancialInstrumentOnDiscontinuationOfMeasurementAtFairValueThroughProfitOrLossBecauseCreditDerivativeIsUsedToManageCreditRisk
2387	Contract price range (R$/US$)	Concept (Decimal)	As Of		ifrs-full:ClosingForeignExchangeRate
2388	Notional amount of exchange rate hedging instruments of firm commitments designated as cash flow hedges	Concept (Monetary)	As Of	Credit	ugp:NotionalAmountOfExchangeRateHedgingInstrumentsOfFirmCommitmentsDesignatedAsCashFlowHedges
2389	Cash flow hedges gain (loss)	Concept (Monetary)	For Period	Credit	ugp:GainFromCashFlowHedges
2390	Unrealized gain (loss) of other comprehensive income, net of deferred income and social contribution taxes	Concept (Monetary)	For Period	Credit	ugp:CashFlowHedgeUnrealizedGainLossOfOtherComprehensiveIncomeNet
2391	Notional amount of foreign exchange hedging instruments for highly probable future transactions designated as fair value hedge, related to notes in the foreign market	Concept (Monetary)	As Of	Credit	ugp:NotionalAmountOfForeignExchangeHedgingInstrumentsForHighlyProbableFutureTransactionsDesignatedAsCashFlowHedgeRelatedToNotesInForeignMarket
2392	Unrealized loss of other comprehensive income, net of deferred income and social contribution taxes	Concept (Monetary)	For Period	Credit	ugp:CashFlowHedgeUnrealizedLossOfOtherComprehensiveIncomeNet
2393	Notional amount of foreign exchange hedging instruments for highly probable future transactions designated as cash flow hedge, related to future sales revenues	Concept (Monetary)	As Of	Credit	ugp:NotionalAmountOfForeignExchangeHedgingInstrumentsForHighlyProbableFutureTransactionsDesignatedAsCashFlowHedgeRelatedToFutureSalesRevenues
2394	Unrealized loss of other comprehensive income, net of deferred IRPJ and CSLL	Concept (Monetary)	For Period	Credit	ugp:CashFlowHedgeUnrealizedGainOfOtherComprehensiveIncomeNet
2395	Balance of foreign exchange hedging instruments designated as net investments hedge in foreign entities	Concept (Monetary)	As Of	Credit	ugp:BalanceOfForeignExchangeHedgingInstrumentsDesignatedAsNetInvestmentsHedgeInForeignEntities
2396	Unrealized loss of other comprehensive income, net of deferred income and social contribution taxes	Concept (Monetary)	For Period	Credit	ugp:InvestmentHegeInForeignEntitiesUnrealizedLossOfOtherComprehensiveIncomeNet
2397	Likely scenario pre-fixed interest rate deterioration.	Concept (Percent)	For Period		ugp:LikelyScenarioPrefixedInterestRateDeterioration
2398	1180 - Disclosure - Risks and Financial Instruments - Sensitivity analysis of assets and liabilities in foreign currency (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureRisksAndFinancialInstrumentsSensitivityAnalysisOfAssetsAndLiabilitiesInForeignCurrency
2399	Summary of risks and financial instruments [table]	Table	*	*	ugp:SummaryOfRisksAndFinancialInstrumentsTable
2400	Scenario [axis]	Axis			ugp:ScenarioAxis
2401	Scenario [domain]	Member			ugp:ScenarioDomain
2402	Scenario I [member]	Member			ugp:Scenario1Member
2403	Scenario II [member]	Member			ugp:Scenario2Member
2404	Scenario III [member]	Member			ugp:Scenario3Member
2405	Summary of risks and financial instruments [line items]	LineItems			ugp:SummaryOfRisksAndFinancialInstrumentsLineItems
2406	Income statement effect	Concept (Monetary)	As Of	Credit	ugp:IncomeStatementEffectIncrease
2407	Equity effect	Concept (Monetary)	As Of	Credit	ugp:ShareholdersEquityEffectDecrease
2408	Total	Concept (Monetary)	As Of	Credit	ugp:IncomeStatementEffectincreaseShareholdersEquityDecreaseNetEffect
2409	Income statement effect	Concept (Monetary)	As Of	Credit	ugp:IncomeStatementEffectDecrease
2410	Equity effect	Concept (Monetary)	As Of	Credit	ugp:ShareholdersEquityEffectincrease
2411	Total	Concept (Monetary)	As Of	Credit	ugp:IncomeStatementEffectDecreaseShareHoldersEquityIncreaseNetEffect
2412	1181 - Disclosure - Risks and Financial Instruments - Financial assets and liabilities exposed to floating interest rates (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureRisksAndFinancialInstrumentsFinancialAssetsAndLiabilitiesExposedToFloatingInterestRates
2413	Summary of risks and financial instruments [table]	Table	*	*	ugp:SummaryOfRisksAndFinancialInstrumentsTable
2414	Types of risks [axis]	Axis			ifrs-full:TypesOfRisksAxis
2415	Risks [member]	Member			ifrs-full:TypesOfRisksMember
2416	CDI [member]	Member			ugp:CDIMember
2417	TJLP [member]	Member			ugp:TJLPMember
2418	LIBOR [member]	Member			ugp:LIBORMember
2419	Tiie [member]	Member			ugp:TIIEMember
2420	SELIC [member]	Member			ugp:SelicMember
2421	Liability position [axis]	Axis			ugp:LiabilityPositionAxis
2422	Liability position [domain]	Member			ugp:LiabilityPositionDomain
2423	Cash equivalent [member]	Member			ugp:CashEquivalentMember
2424	Financial Investments [member]	Member			ugp:FinancialInvestmentsMember
2425	Asset position foreign exchange hedging [member]	Member			ugp:AssetPositionForeignExchangeHedgingMember
2426	Loans and debentures [member]	Member			ugp:LoansAndDebenturesMember
2427	Liability position foreign exchange hedging instruments [member]	Member			ugp:LiabilityPositionForeignExchangeHedgingInstrumentsMember
2428	Liability position hedging instruments pre fixed [member]	Member			ugp:LiabilityPositionHedgingInstrumentsPreFixedMember
2429	Loans tjlp [member]	Member			ugp:LoansTJLPMember
2430	Asset position foreign exchange hedging instruments [member]	Member			ugp:AssetPositionForeignExchangeHedgingInstrumentsMember
2431	Loans libor [member]	Member			ugp:LoansLiborMember
2432	Loans tiie [member]	Member			ugp:LoansTIIEMember
2433	Loans selic [member]	Member			ugp:LoansSELICMember
2434	Summary of risks and financial instruments [line items]	LineItems			ugp:SummaryOfRisksAndFinancialInstrumentsLineItems
2435	Net liability position	Concept (Monetary)	As Of	Credit	ugp:NetLiabilityPosition
2436	1182 - Disclosure - Risks and Financial Instruments - Sensitivity analysis of floating interest rate risk (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureRisksAndFinancialInstrumentsSensitivityAnalysisOfFloatingInterestRateRisk
2437	Summary of risks and financial instruments [table]	Table	*	*	ugp:SummaryOfRisksAndFinancialInstrumentsTable
2438	Scenario [axis]	Axis			ugp:ScenarioAxis
2439	Scenario [domain]	Member			ugp:ScenarioDomain
2440	Scenario I [member]	Member			ugp:Scenario1Member
2441	Scenario II [member]	Member			ugp:Scenario2Member
2442	Scenario III [member]	Member			ugp:Scenario3Member
2443	Summary of risks and financial instruments [line items]	LineItems			ugp:SummaryOfRisksAndFinancialInstrumentsLineItems
2444	Exposure of interest rate risk	Abstract			ugp:ExposureOfInterestRateRiskAbstract
2445	Interest effect on cash equivalents and financial investments	Concept (Monetary)	As Of	Credit	ugp:InterestEffectOnCashEquivalentsAndFinancialInvestments
2446	Foreign exchange hedging instruments (assets in CDI) effect	Concept (Monetary)	As Of	Credit	ugp:ForeignExchangeHedgingInstrumentsAssetsCdiEffect
2447	Interest effect on debt in CDI	Concept (Monetary)	As Of	Debit	ugp:InterestEffectOnDebtCdi
2448	Interest rate hedging instruments (liabilities in CDI) effect	Concept (Monetary)	As Of	Debit	ugp:InterestRateHedgingInstrumentsLiabilitiesCDIEffect
2449	Incremental expenses, CDI	Concept (Monetary)	As Of	Debit	ugp:IncrementalExpensesCDI
2450	Interest effect on debt in TJLP	Concept (Monetary)	As Of	Debit	ugp:InterestEffectOnDebtTJLP
2451	Incremental expenses, TJLP	Concept (Monetary)	As Of	Debit	ugp:IncrementalExpensesTjlp
2452	Foreign exchange hedging instruments (assets in LIBOR) effect	Concept (Monetary)	As Of	Credit	ugp:ForeignExchangeHedgingInstrumentsAssetsLiborEffect
2453	Interest effect on debt in LIBOR	Concept (Monetary)	As Of	Debit	ugp:InterestEffectOnDebtLIBOR
2454	Incremental expenses, LIBOR	Concept (Monetary)	As Of	Debit	ugp:IncrementalExpensesLibor
2455	Interest effect on debt in TIIE	Concept (Monetary)	As Of	Debit	ugp:InterestEffectOnDebtTIIE
2456	Incremental expenses, TIIE	Concept (Monetary)	As Of	Debit	ugp:IncrementalExpensesTIIE
2457	Interest effect on debt in SELIC	Concept (Monetary)	As Of	Debit	ugp:InterestEffectOnDebtSELIC
2458	Incremental expenses, SELIC	Concept (Monetary)	As Of	Debit	ugp:IncrementalExpensesSelic
2459	1183 - Disclosure - Risks and Financial Instruments - Summary of Credit Risk of Cash, Cash Equivalents and Financial Investments (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureRisksAndFinancialInstrumentsSummaryOfCreditRiskOfCashCashEquivalentsAndFinancialInvestments
2460	Disclosure of external credit grades [table]	Table	*	*	ifrs-full:DisclosureOfExternalCreditExposuresTable
2461	External credit grades [axis]	Axis			ifrs-full:ExternalCreditGradesAxis
2462	Entity's total for external credit grades [member]	Member			ifrs-full:EntitysTotalForExternalCreditGradesMember
2463	AAA [member]	Member			ugp:AAAMember
2464	AA [member]	Member			ugp:AaMember
2465	A [member]	Member			ugp:AMember
2466	BBB [member]	Member			ugp:BbbMember
2467	Disclosure of external credit grades [line items]	LineItems			ifrs-full:DisclosureOfExternalCreditExposuresLineItems
2468	Counterparty credit rating	Concept (Monetary)	As Of	Debit	ugp:CashCashEquivalentsAndFinancialInvestments
2469	1184 - Disclosure - Risks and Financial Instruments - Allowance for doubtful accounts on trade receivables (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureRisksAndFinancialInstrumentsAllowanceForDoubtfulAccountsOnTradeReceivables
2470	Summary of risks and financial instruments [table]	Table	*	*	ugp:SummaryOfRisksAndFinancialInstrumentsTable
2471	Segments [axis]	Axis			ifrs-full:SegmentsAxis
2472	Segments [member]	Member			ifrs-full:SegmentsMember
2473	Ipiranga [member]	Member			ugp:IpirangaMember
2474	Ultragaz [member]	Member			ugp:UltragazMember
2475	Oxiteno [member]	Member			ugp:OxitenoMember
2476	Extrafarma [member]	Member			ugp:ExtrafarmaMember
2477	Ultracargo [member]	Member			ugp:UltracargoMember
2478	Summary of risks and financial instruments [line items]	LineItems			ugp:SummaryOfRisksAndFinancialInstrumentsLineItems
2479	Allowances for doubful accounts on trade receivable	Concept (Monetary)	As Of	Credit	ugp:AllowancesForDoubfulAccountsOnTradeReceivable
2480	1185 - Disclosure - Risks and Financial Instruments - Contractual undiscounted cash outflows (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureRisksAndFinancialInstrumentsContractualUndiscountedCashOutflows
2481	Summary of risks and financial instruments [table]	Table	*	*	ugp:SummaryOfRisksAndFinancialInstrumentsTable
2482	Range [axis]	Axis			ifrs-full:RangeAxis
2483	Ranges [member]	Member			ifrs-full:RangesMember
2484	Total [member]	Member			ugp:TotalMember
2485	Less than 1 year [member]	Member			ugp:LessThanOneYearMember
2486	Between 1 and 3 years [member]	Member			ugp:Between1And3YearsMember
2487	Between 3 and 5 years [member]	Member			ugp:Between3And5YearsMember
2488	More than 5 years [member]	Member			ugp:MoreThan5YearsMember
2489	Summary of risks and financial instruments [line items]	LineItems			ugp:SummaryOfRisksAndFinancialInstrumentsLineItems
2490	Loans including future contractual interest	Concept (Monetary)	As Of	Credit	ugp:LoansIncludingFutureContractualInterest
2491	Currency and interest rate hedging instruments	Concept (Monetary)	As Of	Debit	ugp:CurrencyAndInterestRateHedgingInstruments
2492	Trade payables	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherPayables
2493	1186 - Disclosure - Risks and Financial Instruments - Contractual undiscounted cash outflows (Parenthetical) (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureRisksAndFinancialInstrumentsContractualUndiscountedCashOutflowsParenthetical
2494	Summary of risks and financial instruments [table]	Table	*	*	ugp:SummaryOfRisksAndFinancialInstrumentsTable
2495	Maturity [axis]	Axis			ifrs-full:MaturityAxis
2496	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
2497	2018 [member]	Member			ugp:TwentyEighteenMember
2498	From 2019 To 2021 [member]	Member			ugp:FromTwentyNineteenToTwentyTwentyOneMember
2499	From 2022 To 2023 [member]	Member			ugp:FromTwentyTwentyTwoToTwentyTwentyThreeMember
2500	From 2024 To 2033 [member]	Member			ugp:FromTwentyTwentyFourToTwentyThirtyThreeMember
2501	2019 [member]	Member			ugp:TwentyNineteenMember
2502	2020 [member]	Member			ugp:TwentyTwentyMember
2503	2021 [member]	Member			ugp:TwentyTwentyOneMember
2504	2022 [member]	Member			ugp:TwentyTwentyTwoMember
2505	2023 [member]	Member			ugp:TwentyTwentyThreeMember
2506	2024 [member]	Member			ugp:TwentyTwentyFourMember
2507	2025 [member]	Member			ugp:TwentyTwentyFiveMember
2508	2026 [member]	Member			ugp:TwentyTwentySixMember
2509	2027 [member]	Member			ugp:TwentyTwentySevenMember
2510	From 2020 To 2033 [member]	Member			ugp:FromTwentyTwentyToTwentyThirtyThreeMember
2511	Summary of risks and financial instruments [line items]	LineItems			ugp:SummaryOfRisksAndFinancialInstrumentsLineItems
2512	CDI rate	Concept (Percent)	For Period		ugp:CDIRate
2513	Exchange rate of the Real against the U.S. dollar	Concept (Decimal)	For Period		ifrs-full:AverageForeignExchangeRate
2514	TJLP rate	Concept (Percent)	For Period		ugp:TJLPRate
2515	IGP-M rate	Concept (Percent)	For Period		ugp:IGPMRate
2516	IPCA rate	Concept (Percent)	For Period		ugp:IPCARate
2517	1187 - Disclosure - Risks and Financial Instruments - Position of hedging instruments (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureRisksAndFinancialInstrumentsPositionOfHedgingInstruments
2518	Disclosure Of Derivative Financial Instruments [table]	Table	*	*	ugp:DisclosureOfDerivativeFinancialInstrumentsTable
2519	Accounting estimates [axis]	Axis			ifrs-full:AccountingEstimatesAxis
2520	Accounting estimates [member]	Member			ifrs-full:AccountingEstimatesMember
2521	Designated as hedge accounting [member]	Member			ugp:DesignatedAsHedgeAccountingMember
2522	Not designated as hedge accounting [member]	Member			ugp:NotDesignatedAsHedgeAccountingMember
2523	Hedging instruments [axis]	Axis			ifrs-full:HedgingInstrumentsAxis
2524	Hedging instruments [member]	Member			ifrs-full:HedgingInstrumentsMember
2525	Exchange Rate Swap Receivable In U S Dollars [member]	Member			ugp:ExchangeRateSwapReceivableInUSDollarsMember
2526	Interest rate swaps in brazilian reais [member]	Member			ugp:InterestRateSwapsInBrazilianReaisMember
2527	Options [member]	Member			ugp:OptionsMember
2528	Exchange rate swaps payable in US dollars coupon [member]	Member			ugp:ExchangeRateSwapsPayableInUSDollarsCouponMember
2529	Gross result [member]	Member			ugp:HedgingInstrumentsGrossResultMember
2530	Income tax [member]	Member			ugp:HedgingInstrumentsIncomeTaxMember
2531	Positive result [member]	Member			ugp:HedgingInstrumentsPositiveResultMember
2532	Negative result [member]	Member			ugp:HedgingInstrumentsNegativeResultMember
2533	Rate swaps [axis]	Axis			ugp:RateSwapsAxis
2534	Rate swaps [domain]	Member			ugp:RateSwapsDomain
2535	Receivables In U S Dollars LIBOR [member]	Member			ugp:ReceivablesInUSDollarsLIBORMember
2536	Receivables in US dollars fixed [member]	Member			ugp:ReceivablesInUSDollarsFixedMember
2537	Payables in CDI interest rate [member]	Member			ugp:PayablesInCDIInterestRateMember
2538	Receivables in fixed interest rates ipca [member]	Member			ugp:ReceivablesInFixedInterestRatesIpcaMember
2539	Payables cdi [member]	Member			ugp:PayablesCdiMember
2540	Zero Cost Collar Reaisx US Dollars [member]	Member			ugp:ZeroCostCollarReaisxUsDollarsMember
2541	Receivables in cdi interest rates [member]	Member			ugp:ReceivablesInCDIInterestRatesMember
2542	Payables in us dollars fixed [member]	Member			ugp:PayablesInUsDollarsFixedMember
2543	Summary of risks and financial instruments [line items]	LineItems			ugp:SummaryOfRisksAndFinancialInstrumentsLineItems
2544	Notional amount	Concept (Monetary)	As Of		ifrs-full:NotionalAmount
2545	Fair value	Concept (Monetary)	As Of	Debit	ugp:HedgingInstrumentsPositionFairValue
2546	Amounts receivable	Concept (Monetary)	As Of	Debit	ugp:HedgingInstrumentsAmountsReceivable
2547	Amounts payable	Concept (Monetary)	As Of	Credit	ugp:HedgingInstrumentsAmountsPayable
2548	1188 - Disclosure - Risks and Financial Instruments - Summary of Foreign Exchange Hedging Instruments Designated as Fair Value Hedge (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureRisksAndFinancialInstrumentsSummaryOfForeignExchangeHedgingInstrumentsDesignatedAsFairValueHedge
2549	Disclosure of detailed information about hedges [table]	Table	*	*	ifrs-full:DisclosureOfHedgeAccountingTable
2550	Hedging instruments [axis]	Axis			ifrs-full:HedgingInstrumentsAxis
2551	Hedging instruments [member]	Member			ifrs-full:HedgingInstrumentsMember
2552	Foreign exchange hedging instruments [member]	Member			ugp:ForeignExchangeHedgingInstrumentsMember
2553	Interest rate hedging instruments [member]	Member			ugp:InterestRateHedgingInstrumentsMember
2554	Disclosure of detailed information about hedges [line items]	LineItems			ifrs-full:DisclosureOfHedgeAccountingLineItems
2555	Notional amount - R$	Concept (Monetary)	For Period	Credit	ugp:NotionalAmountDesignatedAsFairValueHedge
2556	Result of hedging instruments - gain/(loss) - R$	Concept (Monetary)	For Period	Credit	ugp:GainLossRelatedToHedgingInstrument
2557	Fair value adjustment of debt - R$	Concept (Monetary)	For Period	Credit	ugp:GainLossRelatedToFairValueAdjustmentOfDebt
2558	Financial expense in the statements of profit or loss - R$	Concept (Monetary)	For Period	Credit	ugp:LossRelatedToFinancialExpenseOfDebt
2559	Average effective cost - CDI %	Concept (Percent)	For Period		ugp:PercentageOfAverageEffectiveCost
2560	1189 - Disclosure - Risks and Financial Instruments - Value of gains (losses) recognized (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureRisksAndFinancialInstrumentsValueOfGainslossesRecognized
2561	Disclosure of detailed information about financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfFinancialInstrumentsTable
2562	Hedging instruments [axis]	Axis			ifrs-full:HedgingInstrumentsAxis
2563	Hedging instruments [member]	Member			ifrs-full:HedgingInstrumentsMember
2564	Profit or loss [member]	Member			ugp:ProfitOrLossMember
2565	Equity [member]	Member			ugp:HedgingInstrumentEquityMember
2566	Hedging instrument rates [axis]	Axis			ugp:HedgingInstrumentRatesAxis
2567	Hedging instrument rates [domain]	Member			ugp:HedgingInstrumentRatesDomain
2568	Exchange Rate Swap Receivable In U S Dollars [member]	Member			ugp:ExchangeRateSwapReceivableInUSDollarsMember
2569	Exchange rate swap payable in us dollars [member]	Member			ugp:ExchangeRateSwapPayableInUsDollarsMember
2570	Interest rate swaps brl [member]	Member			ugp:InterestRateSwapsBrlMember
2571	Nonderivative Financial Instruments [member]	Member			ugp:NonDerivativeFinancialInstrumentsMember
2572	Summary of risks and financial instruments [line items]	LineItems			ugp:SummaryOfRisksAndFinancialInstrumentsLineItems
2573	Gain (loss) on hedging instruments	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnHedgingInstrument
2574	1190 - Disclosure - Risks and Financial Instruments - Fair values and the carrying values of the financial instruments (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureRisksAndFinancialInstrumentsFairValuesAndTheCarryingValuesOfTheFinancialInstruments
2575	Disclosure of detailed information about financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfFinancialInstrumentsTable
2576	Classes of financial instruments [axis]	Axis			ifrs-full:ClassesOfFinancialInstrumentsAxis
2577	Financial instruments, class [member]	Member			ifrs-full:ClassesOfFinancialInstrumentsMember
2578	Cash and bank deposits [member]	Member			ugp:CashAndBankDepositsMember
2579	Financial investments local currency [member]	Member			ugp:FinancialInvestmentsLocalCurrencyMember
2580	Financial investments foreign currency [member]	Member			ugp:FinancialInvestmentsForeignCurrencyMember
2581	Fixed income securities local currency1 [member]	Member			ugp:FixedIncomeSecuritiesLocalCurrency1Member
2582	Fixed income securities local currency2 [member]	Member			ugp:FixedIncomeSecuritiesLocalCurrency2Member
2583	Fixed income securities local currency3 [member]	Member			ugp:FixedIncomeSecuritiesLocalCurrency3Member
2584	Fixed income securities foreign currency [member]	Member			ugp:FixedIncomeSecuritiesForeignCurrencyMember
2585	Currency interest rate hedging instruments [member]	Member			ugp:CurrencyInterestRateHedgingInstrumentsMember
2586	Financing [member]	Member			ugp:Financing1Member
2587	Financing [member]	Member			ugp:Financing2Member
2588	Debentures [member]	Member			ugp:DebenturesMember
2589	Debentures 1 [member]	Member			ugp:Debentures1Member
2590	Finance Leases [member]	Member			ugp:FinanceLeasesMember
2591	Currency interest rate hedging [member]	Member			ugp:CurrencyInterestRateHedgingMember
2592	Subscription warrants indemnification [member]	Member			ugp:SubscriptionWarrantsIndemnificationMember
2593	Summary of risks and financial instruments [line items]	LineItems			ugp:SummaryOfRisksAndFinancialInstrumentsLineItems
2594	Category	Concept (Text/String)	For Period		ugp:CategoryOfFinancialAssetsAndLiabilities
2595	Financial assets, carrying value	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssets
2596	Financial assets, fair value	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssetsAtFairValue
2597	Financial liabilities, carrying value	Concept (Monetary)	As Of	Credit	ifrs-full:FinancialLiabilities
2598	Financial liabilities, fair value	Concept (Monetary)	As Of	Credit	ifrs-full:FinancialLiabilitiesAtFairValue
2599	1191 - Disclosure - Risks and Financial Instruments - Summary of the financial assets and financial liabilities measured at fair value (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureRisksAndFinancialInstrumentsSummaryOfTheFinancialAssetsAndFinancialLiabilitiesMeasuredAtFairValue
2600	Disclosure of detailed information about financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfFinancialInstrumentsTable
2601	Classes of financial instruments [axis]	Axis			ifrs-full:ClassesOfFinancialInstrumentsAxis
2602	Financial instruments, class [member]	Member			ifrs-full:ClassesOfFinancialInstrumentsMember
2603	Financing [member]	Member			ugp:Financing1Member
2604	Financing [member]	Member			ugp:Financing2Member
2605	Debentures [member]	Member			ugp:DebenturesMember
2606	Debentures 2 [member]	Member			ugp:Debentures2Member
2607	Finance Leases [member]	Member			ugp:FinanceLeasesMember
2608	Currency interest rate hedging [member]	Member			ugp:CurrencyInterestRateHedgingMember
2609	Subscription warrants indemnification [member]	Member			ugp:SubscriptionWarrantsIndemnificationMember
2610	Cash and bank deposits [member]	Member			ugp:CashAndBankDepositsMember
2611	Financial investments local currency [member]	Member			ugp:FinancialInvestmentsLocalCurrencyMember
2612	Financial investments foreign currency [member]	Member			ugp:FinancialInvestmentsForeignCurrencyMember
2613	Fixed income securities local currency1 [member]	Member			ugp:FixedIncomeSecuritiesLocalCurrency1Member
2614	Fixed income securities local currency2 [member]	Member			ugp:FixedIncomeSecuritiesLocalCurrency2Member
2615	Fixed income securities local currency3 [member]	Member			ugp:FixedIncomeSecuritiesLocalCurrency3Member
2616	Fixed income securities foreign currency [member]	Member			ugp:FixedIncomeSecuritiesForeignCurrencyMember
2617	Currency interest rate hedging instruments [member]	Member			ugp:CurrencyInterestRateHedgingInstrumentsMember
2618	Debentures 1 [member]	Member			ugp:Debentures1Member
2619	Levels of fair value hierarchy [axis]	Axis			ifrs-full:LevelsOfFairValueHierarchyAxis
2620	All levels of fair value hierarchy [member]	Member			ifrs-full:AllLevelsOfFairValueHierarchyMember
2621	Level 1 [member]	Member			ifrs-full:Level1OfFairValueHierarchyMember
2622	Level 2 [member]	Member			ifrs-full:Level2OfFairValueHierarchyMember
2623	Summary of risks and financial instruments [line items]	LineItems			ugp:SummaryOfRisksAndFinancialInstrumentsLineItems
2624	Category	Concept (Text/String)	For Period		ugp:FinancialAssetLiabilityCategory
2625	Financial assets, fair value	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssets
2626	Financial liabilities, fair value	Concept (Monetary)	As Of	Credit	ugp:FinancialLiabilitiesFairValue
2627	1192 - Disclosure - Risks and Financial Instruments - Changes in exchange rate (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureRisksAndFinancialInstrumentsChangesInExchangeRate
2628	Disclosure of detailed information about financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfFinancialInstrumentsTable
2629	Scenario [axis]	Axis			ugp:ScenarioAxis
2630	Scenario [domain]	Member			ugp:ScenarioDomain
2631	Scenario I [member]	Member			ugp:Scenario1Member
2632	Scenario II [member]	Member			ugp:Scenario2Member
2633	Scenario III [member]	Member			ugp:Scenario3Member
2634	Summary of risks and financial instruments [line items]	LineItems			ugp:SummaryOfRisksAndFinancialInstrumentsLineItems
2635	Currency swaps receivable in U.S. dollars	Abstract			ugp:CurrencySwapsReceivableInUSDollarsAbstract
2636	U.S. Dollar / Real swaps	Concept (Monetary)	As Of	Debit	ugp:USDollarToRealSwaps
2637	Debts/firm commitments in dollars	Concept (Monetary)	As Of	Credit	ugp:DebtsFirmCommitmentsInDollars
2638	Net effect	Concept (Monetary)	As Of	Debit	ugp:USDollarToRealSwapsNetEffect
2639	Currency swaps payable in U.S. dollars	Abstract			ugp:CurrencySwapsPayableInUSDollarsAbstract
2640	Real / U.S. Dollar swaps	Concept (Monetary)	As Of	Credit	ugp:RealToUsDollarSwaps
2641	Gross margin of Oxiteno	Concept (Monetary)	As Of	Debit	ugp:GrossMarginOfOxitenoSwapPayable
2642	Net effect	Concept (Monetary)	As Of	Credit	ugp:RealToUsDollarSwapsNetEffect
2643	Options	Abstract			ugp:CurrencySwapsOptionAbstract
2644	Options Real / U.S. Dollar swaps	Concept (Monetary)	As Of	Debit	ugp:OptionsRealToDollarSwaps
2645	Gross margin of Oxiteno	Concept (Monetary)	As Of	Credit	ugp:GrossMarginOfOxitenoOption
2646	Net effect	Concept (Monetary)	As Of	Credit	ugp:OptionsRealToDollarSwapsNetEffect
2647	Interest rate swap (in Brazilian Reais) - Debentures-CRA	Abstract			ugp:InterestRateSwapInBrazilianReaisDebenturesCRAAbstract
2648	Fixed rate swap - CDI	Concept (Monetary)	As Of	Credit	ugp:FixedRateSwapCdi
2649	Fixed rate debt	Concept (Monetary)	As Of	Credit	ugp:FixedRateDebt
2650	Net effect	Concept (Monetary)	As Of	Credit	ugp:FixedRateSwapNetEffect
2651	1193 - Disclosure - Commitments - Contracts (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureCommitmentsContracts
2652	Commitments [table]	Table	*	*	ugp:CommitmentsTable
2653	Types of contracts [axis]	Axis			ifrs-full:TypesOfContractsAxis
2654	Types of contracts [member]	Member			ifrs-full:TypesOfContractsMember
2655	Cargo contract one [member]	Member			ugp:CargoContractOneMember
2656	Cargo contract two [member]	Member			ugp:CargoContractTwoMember
2657	Cargo contract three [member]	Member			ugp:CargoContractThreeMember
2658	Cargo contract four [member]	Member			ugp:CargoContractFourMember
2659	Summary of contract commitments [line items]	LineItems			ugp:SummaryOfContractCommitmentsLineItems
2660	Port	Concept (Text/String)	For Period		ugp:CargoPort
2661	Minimum movement in tons per years	Concept (Text/String)	For Period		ugp:MinimumCargoMovementPerYear
2662	Maturity	Concept (Text/String)	For Period		ugp:CargooAgreementMaturity
2663	1194 - Disclosure - Commitments - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureCommitmentsAdditionalInformation
2664	Disclosure of commitments and contingencies [table]	Table	*	*	ugp:DisclosureOfCommitmentsAndContingenciesTable
2665	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
2666	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
2667	Third parties [member]	Member			ugp:ThirdPartiesMember
2668	directors and executive officers (D&O) [member]	Member			ugp:DirectorsAndOfficersMember
2669	Types of contracts [axis]	Axis			ifrs-full:TypesOfContractsAxis
2670	Types of contracts [member]	Member			ifrs-full:TypesOfContractsMember
2671	Aratu [member]	Member			ugp:AratuMember
2672	Suape [member]	Member			ugp:SuapeMember
2673	Disclosure of commitments and contingencies [line items]	LineItems			ugp:DisclosureOfCommitmentsAndContingenciesLineItems
2674	Cargo rates per ton	Concept (Decimal)	As Of		ugp:CargoRatesPerTon
2675	Minimum annual consumption level of ethylene	Concept (Integer)	For Period		ugp:MinimumAnnualConsumptionLevelOfEthylene
2676	Minimum purchase of ethylene annually	Concept (Integer)	For Period		ugp:MinimumAnnualPurchaseOfEthylene
2677	Liability insurance policies	Concept (Monetary)	As Of	Credit	ifrs-full:LiabilitiesArisingFromInsuranceContracts
2678	Operating lease expense	Concept (Monetary)	For Period	Debit	ifrs-full:ContingentRentsRecognisedAsExpenseClassifiedAsOperatingLease
2679	1195 - Disclosure - Commitments - Insurance coverage (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureCommitmentsInsuranceCoverage
2680	Commitments [table]	Table	*	*	ugp:CommitmentsTable
2681	Segments [axis]	Axis			ifrs-full:SegmentsAxis
2682	Segments [member]	Member			ifrs-full:SegmentsMember
2683	Oxiteno [member]	Member			ugp:OxitenoMember
2684	Ipiranga [member]	Member			ugp:IpirangaMember
2685	Ultracargo [member]	Member			ugp:UltracargoMember
2686	Ultragaz [member]	Member			ugp:UltragazMember
2687	Extrafarma [member]	Member			ugp:ExtrafarmaMember
2688	Summary of contract commitments [line items]	LineItems			ugp:SummaryOfContractCommitmentsLineItems
2689	Maximum compensation value	Concept (Monetary)	For Period	Credit	ifrs-full:IncomeArisingFromInsuranceContracts
2690	1196 - Disclosure - Commitments - Operating lease contracts (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureCommitmentsOperatingLeaseContracts
2691	Commitments [table]	Table	*	*	ugp:CommitmentsTable
2692	Range [axis]	Axis			ifrs-full:RangeAxis
2693	Ranges [member]	Member			ifrs-full:RangesMember
2694	Up to 1 year [member]	Member			ugp:UpTo1YearMember
2695	Between 1 and 5 years [member]	Member			ugp:Between1And5YearsMember
2696	More than 5 years [member]	Member			ugp:MoreThan5YearsMember
2697	Summary of commitments [line items]	LineItems			ugp:SummaryOfCommitmentsLineItems
2698	Future operating lease disbursements	Concept (Monetary)	As Of	Credit	ugp:FutureOperatingLeaseDisbursements
2699	payable	Concept (Monetary)	As Of	Credit	ugp:OperatingLeaseContractPayable
2700	receivable	Concept (Monetary)	As Of	Debit	ugp:OperatingLeaseContractReceivable
2701	1197 - Disclosure - Subsequent Events - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureSubsequentEventsAdditionalInformation
2702	Disclosure of non-adjusting events after reporting period [table]	Table	*	*	ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodTable
2703	Non-adjusting events after reporting period [axis]	Axis			ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
2704	Non-adjusting events after reporting period [member]	Member			ifrs-full:NonadjustingEventsMember
2705	Forward split [member]	Member			ugp:ForwardSplitMember
2706	Port concessions [member]	Member			ugp:PortConcessionsMember
2707	Administrative decision [member]	Member			ugp:AdministrativeExpensesMember
2708	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
2709	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
2710	IPP [member]	Member			ugp:IpirangaProdutosDePetroleoSAMember
2711	Ultracargo [member]	Member			ugp:UltracargoMember
2712	IPP and Ultracargo [member]	Member			ugp:IpirangaProdutosDePetroleoSAAndUltracargoMember
2713	CADE [member]	Member			ugp:ConselhoAdministrativoDeDefesaEconmicaMember
2714	Entity by Location [Axis]	Axis			dei:EntityByLocationAxis
2715	Location [Domain]	Member			dei:LocationDomain
2716	Paraiba [member]	Member			ugp:ParaibaMember
2717	Espirito Santo [member]	Member			ugp:EspiritoSantoMember
2718	Terminal [axis]	Axis			ugp:TerminalAxis
2719	Terminal1 [Member]	Member			ugp:Terminal1Member
2720	Port of Cabedelo [member]	Member			ugp:PortOfCabedeloMember
2721	Port of Vitoria [member]	Member			ugp:PortOfVitoriaMember
2722	Area BEL02A [member]	Member			ugp:AreaBEL02AMember
2723	Area BEL04A [member]	Member			ugp:AreaBEL04AMember
2724	Area VDC12 [member]	Member			ugp:AreaVDC12Member
2725	Disclosure of non-adjusting events after reporting period [line items]	LineItems			ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems
2726	Description Stock split ratio	Concept (Text/String)	For Period		ugp:StockSplitRatioDescription
2727	Number of port concession areas won	Concept (Integer)	For Period		ugp:NumberOfPortConcessionsAreaWon
2728	Minimum port storage capacity	Concept (num:volumeItemType)	For Period		ugp:MinimumPortStorageCapacity
2729	Number of consortiums	Concept (Integer)	For Period		ugp:NumberOfConsortiums
2730	Port concessions description	Concept (Text/String)	For Period		ugp:DescriptionOfPortConcessions
2731	Investments	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentsInSubsidiariesJointVenturesAndAssociates
2732	Term of concession	Concept (xbrli:durationItemType)	For Period		ugp:PeriodOfConcession
2733	Percentage of consortium owned	Concept (Percent)	For Period		ugp:PercentageOfConsortiumOwned
2734	Number of periods that Port areas will be operated	Concept (xbrli:durationItemType)	For Period		ugp:PeriodOfPortConcession
2735	Estimated investments to port concessions	Concept (Monetary)	For Period	Debit	ugp:EstimatedInvestmentsToPortConcessions
2736	Payment for fine	Concept (Monetary)	For Period	Credit	ugp:FinesAndFees