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v3.23.1

Employee benefits (Details Narrative) $ / shares in Units, $ in Millions | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 30, 2022 $ / shares shares | Mar. 30, 2022 R$ / shares shares | Dec. 31, 2022 USD ($) $ / shares shares | Dec. 31, 2021 USD ($) $ / shares shares | Dec. 31, 2020 USD ($) | Dec. 31, 2019 | Mar. 30, 2021 shares
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |
Percentage of reasonably possible increase in actuarial assumption |  |  | 1.00% |  |  |  |
Estimate of contributions |  |  | $ 61 |  |  |  |
Profit sharing program expense |  |  | $ 499 | $ 474 | $ 416 |  |
Fair value price per shares | (per share) | $ 20.03 | R$ 95.87 |  |  |  |  |
Number of shares issued | shares | 1,437,588 | 1,437,588 | 1,709,955 | 1,474,723 |  |  | 1,046,255
American Depositary Receipts [Member] |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |
Share Price | $ / shares |  |  | $ 109.02 | $ 20.12 |  |  |
Number of share options granted |  |  |  | 1,046,255 | 2,154,534 | 1,222,721 |
Performance Share Unit Program [Member] |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |
Percentage Of Performance Factor Based on Total Return To Shareholder Metrics |  |  | 75.00% |  |  |  |
Percentage Of Performance Factor Based on Environmental,Social And Governance Indicator |  |  | 25.00% |  |  |  |
Portfolio Of Vale Stock [Member] | Country of domicile [member] |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |
Plan assets, at fair value |  |  | $ 47 | $ 50 |  |  |
Brazilian Federal Government Securities [Member] | Country of domicile [member] |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |
Plan assets, at fair value |  |  | 4,214 | 3,682 |  |  |
Canadian Government Securities [Member] | Foreign countries [member] |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |
Plan assets, at fair value |  |  | $ 454 | $ 682 |  |  |

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- Definition The estimate of the expected contributions to be made to a defined benefit plan for the next annual reporting period. [Refer: Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2022-03-24 -Paragraph 147 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2022-en-r&anchor=para_147_b&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2022-03-24 -Paragraph 148 -Subparagraph d -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2022-en-r&anchor=para_148_d_iii&doctype=Standard -URIDate 2022-03-24 + Details
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