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v3.25.2

Financial and capital risk management (Details 1) - Not Designated As Hedging Instruments [Member] - USD ($) $ in Millions | Jun. 30, 2025 | Dec. 31, 2024
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IfrsStatementLineItems [Line Items] |  |
Derivative Financial Assets Liabilities | $ 475 | $ (557)
Foreign Exchange And Interest Rate Risk [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Derivative Financial Assets Liabilities | 477 | (549)
Commodity price risk [member] |  |
IfrsStatementLineItems [Line Items] |  |
Derivative Financial Assets Liabilities | $ (2) | (7)
Embedded Derivatives Risk [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Derivative Financial Assets Liabilities |  | $ (1)

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- References No definition available. + Details
Name: | vale_DerivativeFinancialAssetsLiabilities
Namespace Prefix: | vale_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
Name: | vale_IfrsStatementLineItems
Namespace Prefix: | vale_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | ifrs-full_HedgingInstrumentsAxis=vale_NotDesignatedAsHedgingInstrumentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_TypesOfRisksAxis=vale_ForeignExchangeAndInterestRateRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_TypesOfRisksAxis=ifrs-full_CommodityPriceRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_TypesOfRisksAxis=vale_EmbeddedDerivativesRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |