XML 124 R97.htm IDEA: XBRL DOCUMENT
v3.21.1

Acquisitions and divestitures - Option exercised in VLI shares (Details) R$ in Millions, $ in Millions | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2020 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2020 BRL (R$) | Dec. 31, 2020 USD ($)
Disclosure of detailed information about business combination [line items] |  |  |  |
Cash consideration from divestment of shares in associate |  |  |  | $ 241
Percentage of shares acquired by exercise of option | 8.00% |  |  |
Percentage of total share held | 29.60% |  |  |
Loss from divestiture of shares in associate | $ 172 |  |  |
VLI S.A. |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |
Cash consideration from divestment of shares in associate |  |  | R$ 1,223 | $ 241
Percentage of shares acquired by exercise of option | 8.00% |  |  |
Percentage of total share held | 29.60% |  |  |
Loss from divestiture of shares in associate |  | $ 172 |  |

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfBusinessCombinationsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The proportion of ownership interest in an associate attributable to the entity. [Refer: Associates [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2020-01-01 -Paragraph 17 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2020-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2020-01-01 -Paragraph 16 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2020-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2020-01-01 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2020-01-01 -Paragraph 21 -Subparagraph a -Clause iv -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2020-en-r&anchor=para_21_a_iv&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_ProportionOfOwnershipInterestInAssociate
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount cash consideration from divestment of shares in associate. + References No definition available. + Details
Name: | vale_CashConsiderationFromDivestmentOfSharesInAssociate
Namespace Prefix: | vale_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the amount of gain (loss) recognized from divestment of shares in associate. + References No definition available. + Details
Name: | vale_GainLossFromDivestmentOfSharesInAssociate
Namespace Prefix: | vale_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The percentage of shares that are to be divested. + References No definition available. + Details
Name: | vale_PercentageOfDivestmentOfShares
Namespace Prefix: | vale_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_SignificantInvestmentsInAssociatesAxis=vale_VliS.a.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |