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v3.25.2

Equity (Details 1) - USD ($) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2025 | Jun. 30, 2024
Acquired Parent [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Number of shares repurchased |  | 17,413,659
Purchase of treasury shares |  | $ 231
Acquired By Wholly Owned Subsidiaries [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Number of shares repurchased |  | 11,645,514
Purchase of treasury shares |  | $ 158
Shares Buyback Program [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Number of shares repurchased |  | 29,059,173
Purchase of treasury shares |  | $ 389

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- Definition The decrease in equity resulting from the purchase of treasury shares. [Refer: Treasury shares] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 106 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_106_d&doctype=Standard -URIDate 2024-03-27 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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

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

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- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=vale_SharesBuybackProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |