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Brumadinho dam failure - Requests for fines or forfeit of assets (Details) - Aug. 26, 2020 R$ in Billions, $ in Billions	BRL (R$)	USD ($)
Brumadinho dam failure
Provision of bank or insurance guarantee	R$ 26.7	$ 5.1

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- References

No definition available.

+ Details

Name:	vale_DamFailureAbstract
Namespace Prefix:	vale_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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- Definition

The amount of provision of bank guarantee or insurance guarantee to guarantee the application of an eventual fine and potential loss of assets, rights and values.

+ References

No definition available.

+ Details

Name:	vale_ProvisionOfBankOrInsuranceGuaranteeToGuaranteeApplicationOfEventualLiability
Namespace Prefix:	vale_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant