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Brumadinho dam failure (Details Narrative) - 12 months ended Dec. 31, 2022 R$ in Millions, $ in Millions | USD ($) | BRL (R$)
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Arbitration Proceedings In Brazil Filed By Shareholders And Class Association Proceeding One [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Estimated Loss on Legal Proceedings | $ 345 | R$ 1,800
Arbitration Proceedings In Brazil Filed By Shareholders And Class Association Proceeding Two [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Estimated Loss on Legal Proceedings | $ 747 | R$ 3,900

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