XML 210 R183.htm IDEA: XBRL DOCUMENT
v3.21.1

Employee benefits - Long term compensation plan (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure of defined benefit plans [line items] |  |  |
Long term compensation plan costs | $ 71 | $ 39 | $ 95
Matching Program |  |  |
Disclosure of defined benefit plans [line items] |  |  |
Vesting period (in years) | 3 years |  |
Performance Share Unit Program - PSU |  |  |
Disclosure of defined benefit plans [line items] |  |  |
Vesting period (in years) | 4 years |  |
Award paid during 2nd year (in percentage) | 20.00% |  |
Award paid during 3rd year (in percentage) | 30.00% |  |
Award paid during 4th year (in percentage) | 50.00% |  |
Percentage of performance factor based on total return to shareholder metrics | 80 |  |
percentage of performance factor based on environmental, social and governance indicator | 20 |  |

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

X
- Definition The amount of expense arising from cash-settled share-based payment transactions in which the goods or services received did not qualify for recognition as assets. [Refer: Expense from share-based payment transactions in which goods or services received did not qualify for recognition as assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_ExpenseFromCashsettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The percentage of award that will be paid in the fourth year of the award. The award is paid in cash equivalent to the market value of the determined number of common shares. + References No definition available. + Details
Name: | vale_LongTermCompensationProgramPaymentInFourthYear
Namespace Prefix: | vale_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of award that will be paid in the second year of the award. The award is paid in cash equivalent to the market value of the determined number of common shares. + References No definition available. + Details
Name: | vale_LongTermCompensationProgramPaymentInSecondYear
Namespace Prefix: | vale_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of award that will be paid in the third year of the award. The award is paid in cash equivalent to the market value of the determined number of common shares. + References No definition available. + Details
Name: | vale_LongTermCompensationProgramPaymentInThirdYear
Namespace Prefix: | vale_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of performance factor based on indicators of environmental, social and governance "ESG" Indicators + References No definition available. + Details
Name: | vale_PercentageOfPerformanceFactorBasedOnEnvironmentalSocialAndGovernanceIndicator
Namespace Prefix: | vale_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of performance factor measured based on total return to the shareholders metrics. + References No definition available. + Details
Name: | vale_PercentageOfPerformanceFactorBasedOnTotalReturnToShareholderMetrics
Namespace Prefix: | vale_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition The term of vesting cycle of long-term compensation plan under defined benefit plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | vale_VestingPeriodDefinedBenefitPlans
Namespace Prefix: | vale_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=vale_MatchingProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=vale_PerformanceShareUnitProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |