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Financial and capital risk management - Sensitivity analysis of derivative financial instruments (Details 4) $ in Millions | 6 Months Ended
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Jun. 30, 2023 USD ($)
Bunker Oil Call Options Bought [Member] |
IfrsStatementLineItems [Line Items] |
Financial settlement inflows outflows | $ 13

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

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

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=vale_BunkerOilCallOptionsBoughtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |