Consolidated Statements of Changes in Equity (Parenthetical) - R$ / shares	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of changes in equity [abstract]
Proposed dividends, per share	R$ 0.17	R$ 0.44	R$ 0.24
Intermediary dividends, paid per share	R$ 0.2		R$ 0.2

The amount, per share, of proposed dividends recognised as distributions to owners.

No definition available.

Name:	ugp_ProposedDividendsPerShare
Namespace Prefix:	ugp_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration