XML 172 R145.htm IDEA: XBRL DOCUMENT
v3.21.1

Loans, borrowings, leases, cash and cash equivalents and short-term investments - Guarantees (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Vale Overseas Limited |  |
Disclosure of detailed information about borrowings [line items] |  |
Loans and borrowings, secured by property, plant and equipment | $ 176 | $ 220

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_DisclosureOfDetailedInformationAboutBorrowingsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of property, plant and equipment pledged as security for liabilities. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2020-01-01 -Paragraph 74 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2020-en-r&anchor=para_74_a&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_PropertyPlantAndEquipmentPledgedAsSecurity
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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