v3.26.1
Investments in associates and joint ventures (Details 2)
12 Months Ended
Dec. 31, 2025
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 BV [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%