XML 171 R158.htm IDEA: XBRL DOCUMENT v3.20.1

Trade Payables - Customer and Third Parties Indemnification - Additional Information (Detail) - BRL (R$) R$ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Disclosure of trade payables and receivables [line items]
Indeminites to customers and third parties	R$ 0	R$ 3,501
Ultracargo fire accident in Santos [member]
Disclosure of trade payables and receivables [line items]
Indeminites to customers and third parties		R$ 3,501

X

- Definition

The amount to be paid due to the Ultracargo incident.

+ References

No definition available.

+ Details

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Namespace Prefix:	ugp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Disclosure of trade payables and receivables [line items]

+ References

No definition available.

+ Details

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

X

- Details

Name:	ugp_OtherOperatingIncomeNetAxis=ugp_UltraCargoFireMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: