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Investments in associates and joint ventures (Details 2)	12 Months Ended
	Dec. 31, 2024
Alianca Geracao De Energia S. A [Member]
IfrsStatementLineItems [Line Items]
% Ownership	100.00%
% Voting capital	100.00%
% Noncontrolling interest	0.00%
Companhia Portuaria Da Baia De Sepetiba [Member]
IfrsStatementLineItems [Line Items]
% Ownership	100.00%
% Voting capital	100.00%
% Noncontrolling interest	0.00%
Mineracoes Brasileiras Reunidas S.A. MBR [Member]
IfrsStatementLineItems [Line Items]
% Ownership	100.00%
% Voting capital	100.00%
% Noncontrolling interest	0.00%
Salobo Metais S. A. [Member]
IfrsStatementLineItems [Line Items]
% Ownership	90.00%
% Voting capital	90.00%
% Noncontrolling interest	10.00%
Vale Base Metals Limited [Member]
IfrsStatementLineItems [Line Items]
% Ownership	90.00%
% Voting capital	90.00%
% Noncontrolling interest	10.00%
Vale Holdings B V [Member]
IfrsStatementLineItems [Line Items]
% Ownership	100.00%
% Voting capital	100.00%
% Noncontrolling interest	0.00%
Vale Canada Limited [Member]
IfrsStatementLineItems [Line Items]
% Ownership	90.00%
% Voting capital	90.00%
% Noncontrolling interest	10.00%
Vale International S. A. [Member]
IfrsStatementLineItems [Line Items]
% Ownership	100.00%
% Voting capital	100.00%
% Noncontrolling interest	0.00%
Vale Malaysia Minerals Sdn. Bhd. [Member]
IfrsStatementLineItems [Line Items]
% Ownership	100.00%
% Voting capital	100.00%
% Noncontrolling interest	0.00%
Vale Oman Pelletizing Company LLC [Member]
IfrsStatementLineItems [Line Items]
% Ownership	100.00%
% Voting capital	100.00%
% Noncontrolling interest	0.00%

X

- Definition

The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Total for all subsidiaries [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2024-01-01
-Paragraph 17
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-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2024-01-01
-Paragraph 16
-Subparagraph b
-Clause iii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2024-en-r&anchor=para_16_b_iii&doctype=Standard
-URIDate 2024-03-27

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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-Number 12
-IssueDate 2024-01-01
-Paragraph 19B
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-URIDate 2024-03-27

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- Definition

The proportion of ownership interests in a subsidiary held by non-controlling interests. [Refer: Total for all subsidiaries [member]; Non-controlling interests]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2024-01-01
-Paragraph 12
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_12_c&doctype=Standard
-URIDate 2024-03-27

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- Definition

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Number 27
-IssueDate 2024-01-01
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-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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