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Litigations - Judicial deposits (Details) $ in Millions, R$ in Billions	Jun. 30, 2021 USD ($)	Jun. 30, 2021 BRL (R$)	Dec. 31, 2020 USD ($)
Judicial deposits
Deposits with court	$ 1,326		$ 1,268
Bank guarantees for judicial deposits	2,400	R$ 11.8
Tax litigation
Judicial deposits
Deposits with court	1,052		988
Civil litigation
Judicial deposits
Deposits with court	83		85
Labor litigation
Judicial deposits
Deposits with court	168		177
Environmental litigation
Judicial deposits
Deposits with court	$ 23		$ 18

X

- Definition

The amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

+ References

No definition available.

+ Details

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

X

- Definition

No definition.

+ References

No definition available.

+ Details

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

X

- Definition

The amount of non-current judicial deposits.

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No definition available.

+ Details

Name:	vale_JudicialDepositsNonCurrent
Namespace Prefix:	vale_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: