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Legal proceedings (Details Narrative) - USD ($) $ in Billions	Jun. 30, 2024	Dec. 31, 2023
Notes and other explanatory information [abstract]
Guarantee obligations, bank guarantee	$ 2.7	$ 2.7

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- References

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Balance Type:	na
Period Type:	duration

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