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v3.19.1

Equity - Dividends and Allocation of Net Income (Detail) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Shareholders equity details [abstract] |  |  |
Net income for the year attributable to shareholders of Ultrapar | R$ 1,150,421 | R$ 1,526,505 | R$ 1,537,837
Minimum mandatory dividends | 575,210 |  |
Interim dividends paid (R$ 0.56 per share) | (304,241) |  |
Mandatory dividends payable - Current liabilities | 270,969 |  |
Additional dividends to the minimum mandatory dividends - equity | 109,355 |  |
Dividends payable (R$ 0.70 per share) | 380,324 |  |
Legal reserve (5% of the net income) | 57,521 |  |
Statutory investments reserve | R$ 408,335 |  |

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