XML 178 R151.htm IDEA: XBRL DOCUMENT v3.21.1

Brumadinho dam failure - Provision for socio-economic reparation and others (Details)	12 Months Ended
	Dec. 31, 2020
Provision for socio-economic reparation and others
Provisions.
Project average term	3 years
Provision for social and environmental reparation
Provisions.
Project average term	5 years

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

X

- Definition

Represents the provision for socio economic reparation and others, project average term

+ References

No definition available.

+ Details

Name:	vale_ProvisionForSocioEconomicReparationAndOthersProjectAverageTerm
Namespace Prefix:	vale_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_ClassesOfContingentLiabilitiesAxis=vale_ProvisionForSocioEconomicReparationAndOthersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfContingentLiabilitiesAxis=vale_ProvisionForSocioAndEnvironmentalReparationAndOthersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: