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Brumadinho dam failure (Details)	Jan. 29, 2019 km
Brumadinho dam failure
Tailings released extension (in km)	315
Number of fatalities or presumed fatalities	270

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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 distance impacted by the release of tailings resulting from the dam failure.

+ References

No definition available.

+ Details

Name:	vale_DamFailureTailingsReleasedDistanceImpact
Namespace Prefix:	vale_
Data Type:	num:lengthItemType
Balance Type:	na
Period Type:	instant

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- Definition

Represents the information pertaining to the number of fatalities or presumed fatalities due to the dam failure in Brumadinho.

+ References

No definition available.

+ Details

Name:	vale_NumberOfFatalitiesOrPresumedFatalitiesDueToDamFailureInBrumadinho
Namespace Prefix:	vale_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration