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Acquisitions and divestitures (Details Narrative) R$ in Millions, $ in Millions |  | 1 Months Ended | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | ---
Jun. 28, 2024 USD ($) | Mar. 31, 2024 USD ($) | Mar. 31, 2024 BRL (R$) | Apr. 30, 2023 USD ($) | Mar. 31, 2023 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Apr. 30, 2024 USD ($)
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |
Gain | $ 1,063 |  |  |  |  | $ 1,059 | $ 1,063 |  |
Gain on remeasurement of the interest retained at fair value |  |  |  |  |  |  | 657 |  |
Net loss reduction |  |  |  |  |  |  | 661 |  |
Provision for impairment |  |  |  | $ 93 |  |  |  |  |
Acquired the minority interest |  |  |  |  |  |  |  | $ 130 |
Realized gain during the acquisitions |  |  |  |  |  |  |  | $ 3 |
PTVI [Member] |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |
Vale received |  |  |  |  |  | $ 155 | 155 |  |
VBM [Member] |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |
Aggregated amount |  |  |  |  |  |  |  |  | $ 2,455
Sale of equity interest rate |  |  |  |  |  |  |  |  | 90.00%
Gain from the sale |  |  |  |  |  |  |  |  | $ 895
Gain on attributable to noncontrolling interests |  |  |  |  |  |  |  |  | $ 1,514
Alianca Geracao [Member] |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |
Acquisition interest amount |  | $ 486 | R$ 2,700 |  |  |  |  |  |
CSP [Member] |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |
Vale received |  |  |  |  | $ 1,042 |  |  |  |
Cash contributions |  |  |  |  | $ 1,189 |  |  |  |
Gain on financial liability |  |  |  |  |  |  | $ 37 |  |

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