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Schedule of goodwill on acquisition (Details) R$ in Thousands | 12 Months Ended
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Dec. 31, 2021 BRL (R$)
Elizabeth Cimentos [Member] |
IfrsStatementLineItems [Line Items] |
Purchase price considered | R$ 599,891
Fair value of the assets and liabilities acquired | 516,625
Goodwill for future profitability expected | 83,266
Elizabeth Mineracao [Member] |
IfrsStatementLineItems [Line Items] |
Purchase price considered | 118,831
Fair value of the assets and liabilities acquired | R$ 118,831

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