XML 122 R95.htm IDEA: XBRL DOCUMENT v3.19.1

Trade Receivables and Reseller Financing - Composition of Reseller Financing (Detail) - BRL (R$) R$ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Jan. 01, 2017
Summary of trade receivables [line items]
Reseller financing	R$ 715,530	R$ 570,259
Current	367,262	286,569	R$ 211,055
Non-current	348,268	283,690	R$ 177,484
Reseller Financing - Ipiranga [member]
Summary of trade receivables [line items]
Reseller financing	855,229	675,236
Estimated losses on doubtful accounts [member]
Summary of trade receivables [line items]
Reseller financing	R$ (139,699)	R$ (104,977)

X

- Definition

The amount of current reseller financing.

+ References

No definition available.

+ Details

Name:	ugp_CurrentResellerFinancing
Namespace Prefix:	ugp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The amount of non-current reseller financing.

+ References

No definition available.

+ Details

Name:	ugp_NonCurrentResellerFinancing
Namespace Prefix:	ugp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Reseller financing current and noncurrent.

+ References

No definition available.

+ Details

Name:	ugp_ResellerFinancing
Namespace Prefix:	ugp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Summary of trade receivables.

+ References

No definition available.

+ Details

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

X

- Details

Name:	ugp_TradeReceivablesAxis=ugp_ResellerFinancingIpirangaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ugp_TradeReceivablesAxis=ugp_EstimatedLossesOnDoubtfulAccountsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: