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Costs and expenses by nature (Details 1) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Costs And Expenses By Nature
Personnel	$ (52)	$ (63)	$ (119)	$ (119)
Services	(45)	(36)	(79)	(68)
Depreciation and amortization	(9)	(14)	(19)	(25)
Other	(31)	(26)	(60)	(45)
Total	$ (137)	$ (139)	$ (277)	$ (257)

X

- Definition

The amount of expenses that the entity does not separately disclose in the same statement or note when the entity uses the 'nature of expense' form for its analysis of expenses. [Refer: Expenses, by nature]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 102
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_102&doctype=Standard
-URIDate 2023-03-23

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 99
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_99&doctype=Standard
-URIDate 2023-03-23

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The amount of expense relating to selling, general and administrative activities of the entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 85
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_85&doctype=Standard
-URIDate 2023-03-23

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The amount of depreciation and amortization expense in selling and administrative expenses. Depreciation and amortization are the systematic allocations of depreciable amounts of assets over their useful lives

+ References

No definition available.

+ Details

Name:	vale_DepreciationAndAmortizationSellingAndAdministrative
Namespace Prefix:	vale_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

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

X

- Definition

The expense of all forms of consideration given by an entity in exchange for a service rendered by employees or for the termination of employment included in selling and administrative expenses.

+ References

No definition available.

+ Details

Name:	vale_EmployeeBenefitsExpenseSellingAndAdministrative
Namespace Prefix:	vale_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The services expense included in selling and administrative expenses.

+ References

No definition available.

+ Details

Name:	vale_ServicesExpenseSellingAndAdministrative
Namespace Prefix:	vale_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration