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Income taxes - Settlement program (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) installment	Dec. 31, 2020 USD ($) installment
Income taxes
Current liabilities	$ 324	$ 340
Non-current liabilities	1,964	2,404
REFIS liabilities	$ 2,288	$ 2,744
SELIC rate (in percentage)	9.25%	2.00%
Remaining monthly installments of settlement liability | installment	82	94

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- References

No definition available.

+ Details

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- Definition

The amount of liability for income tax and social contribution based on settlement of with taxing authority.

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No definition available.

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Period Type:	instant

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- Definition

The amount of current liability for income tax and social contribution based on settlement of with taxing authority.

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No definition available.

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Namespace Prefix:	vale_
Data Type:	xbrli:monetaryItemType
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- Definition

The percentage of interest rate on tax settlement liability.

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No definition available.

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Namespace Prefix:	vale_
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- Definition

The amount of non-current liability for income tax and social contribution based on settlement of with taxing authority.

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No definition available.

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- Definition

The number of remaining monthly installment of the amount of liability for income tax and social contribution based on settlement of with taxing authority.

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No definition available.

+ Details

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