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v3.23.1

Costs and expenses by nature (Details Narrative) R$ in Millions, $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2022 USD ($) t | Dec. 31, 2022 BRL (R$) t | Nov. 30, 2022 t | Mar. 31, 2021 t
Bottom of range [member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Mineral resources inspection fare (ton) | 4.37 | 4.37 |  | 0.83
Infrastructure investments (ton) |  |  | 2.51 |
Payment of infrastructure investments | $ | $ 224 |  |  |
Top of range [member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Mineral resources inspection fare (ton) | 13.11 | 13.11 |  | 2.51
Infrastructure investments (ton) |  |  | 13.11 | 13.11
Payment of infrastructure investments | R$ |  | R$ 1,176 |  |

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