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v3.24.1.u1

Financial and capital risk management (Details 8) - Treasury Hedge Forward [Member] - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
IfrsStatementLineItems [Line Items] |  |
Protection notional amount |  |
Protection fair value |  |
Protection financial settlement inflows | 14 |
Protection value at risk |  |
Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Protection fair value |  |

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

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

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

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

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

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |