XML 180 R153.htm IDEA: XBRL DOCUMENT
v3.19.1

Provisions and Contingencies - Balances of escrow deposits (Detail) - BRL (R$) R$ in Thousands | Dec. 31, 2018 | Dec. 31, 2017 | Jan. 01, 2017
--- | --- | --- | ---
Summary of escrow deposits [line items] |  |  |
Total - non-current assets | R$ 881,507 | R$ 822,660 | R$ 778,770
Tax matters [member] |  |  |
Summary of escrow deposits [line items] |  |  |
Total - non-current assets | 727,493 | 659,062 |
Labor litigation [member] |  |  |
Summary of escrow deposits [line items] |  |  |
Total - non-current assets | 69,978 | 71,074 |
Civil and other [member] |  |  |
Summary of escrow deposits [line items] |  |  |
Total - non-current assets | R$ 84,036 | R$ 92,524 |

X
- Definition The amount of long-term deposits held by the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_LongtermDeposits
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Summary of escrow deposits. + References No definition available. + Details
Name: | ugp_SummaryOfEscrowDepositsLineItems
Namespace Prefix: | ugp_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ugp_EscrowDepositsAxis=ugp_TaxMattersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ugp_EscrowDepositsAxis=ugp_LaborLitigationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ugp_EscrowDepositsAxis=ugp_CivilAndOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |