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Litigations (Details Narrative)
R$ in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2022
USD ($)
Dec. 31, 2022
BRL (R$)
Dec. 31, 2021
USD ($)
Dec. 31, 2021
BRL (R$)
IfrsStatementLineItems [Line Items]        
Legal Proceedings Reserved | $ $ 498   $ 402  
Indemnification payment 113 R$ 590    
Guarantee Obligations, Bank Guarantee | R$   12,000    
Cfem Related Proceedings [Member]        
IfrsStatementLineItems [Line Items]        
Estimated Loss on Legal Proceedings 1,831 9,555 1,594 R$ 8,893
Assessments And Legal Proceedings Related To Pis Cofins [Member]        
IfrsStatementLineItems [Line Items]        
Estimated Loss on Legal Proceedings 1,720 8,975 1,016 5,667
Tax On Services [Member]        
IfrsStatementLineItems [Line Items]        
Estimated Loss on Legal Proceedings 626 3,268 526 2,935
Assessments And Legal Proceedings Related To Tax On Services [Member]        
IfrsStatementLineItems [Line Items]        
Estimated Loss on Legal Proceedings 558 2,910 524 2,923
Tax Proceedings Fines Arising From Offsets Not Approved For Settlement Of Federal Debts [Member]        
IfrsStatementLineItems [Line Items]        
Estimated Loss on Legal Proceedings $ 524 R$ 2,735 287 1,604
Percentage Of Imposition of Fines 50.00% 50.00%    
Environmental Litigations Iron Ore Operations In Itabira [Member]        
IfrsStatementLineItems [Line Items]        
Loss contingency damages sought value $ 431 R$ 2,249 $ 345 R$ 1,925