XML 147 R138.htm IDEA: XBRL DOCUMENT
v3.25.2

Legal proceedings (Details Narrative) - USD ($) $ in Billions | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Notes and other explanatory information [abstract] |  |
Guarantee obligations bank guarantee | $ 3.4 | $ 2.9

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

X
- References No definition available. + Details
Name: | vale_GuaranteeObligationsBankGuarantee
Namespace Prefix: | vale_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant