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v3.23.1

Other financial assets and liabilities (Details Narrative) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
IfrsStatementLineItems [Line Items] |  |
Percent annually readjustment index exchange | 6.47% | 12.34%
Provision amount | $ 3,312 | $ 3,537
Obligation settled |  | 62
Obligatio One [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Provision amount | 1,415 |
Obligation One [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Provision amount |  | 1,206
Obligation Two [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Provision amount | $ 601 | $ 404

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- Definition The amount of provisions other than provisions for employee benefits. [Refer: Provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2022-03-24 -Paragraph 84 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2022-en-r&anchor=para_84_a&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 78 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_78_d&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_OtherProvisions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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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- References No definition available. + Details
Name: | vale_ObligationSettled
Namespace Prefix: | vale_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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Namespace Prefix: | vale_
Data Type: | dtr-types:percentItemType
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: | vale_ObligationAxis=vale_ObligationTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |