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v3.21.1

Income taxes - Settlement program (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 USD ($) installment | Dec. 31, 2019 USD ($)
Income taxes |  |
Income tax and social contribution settlement liability | $ 2,744 | $ 3,907
Current income tax and social contribution settlement liability | 340 | 431
Non-current income tax and social contribution settlement liability | $ 2,404 | $ 3,476
Remaining monthly installments of settlement liability | installment | 94 |
SELIC rate (in percentage) | 2.00% | 4.50%

X
- References No definition available. + Details
Name: | ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of liability for income tax and social contribution based on settlement of with taxing authority. + References No definition available. + Details
Name: | vale_TaxSettlementLiability
Namespace Prefix: | vale_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of current liability for income tax and social contribution based on settlement of with taxing authority. + References No definition available. + Details
Name: | vale_TaxSettlementLiabilityCurrent
Namespace Prefix: | vale_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The percentage of interest rate on tax settlement liability. + References No definition available. + Details
Name: | vale_TaxSettlementLiabilityInterestRate
Namespace Prefix: | vale_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition The amount of non-current liability for income tax and social contribution based on settlement of with taxing authority. + References No definition available. + Details
Name: | vale_TaxSettlementLiabilityNonCurrent
Namespace Prefix: | vale_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The number of remaining monthly installment of the amount of liability for income tax and social contribution based on settlement of with taxing authority. + References No definition available. + Details
Name: | vale_TaxSettlementLiabilityRemainingNumberOfMonthlyInstallments
Namespace Prefix: | vale_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant