v3.26.1
Brumadinho dam failure (Details 1)
$ in Millions
 12 Months Ended
Dec. 31, 2025
USD ($)
IfrsStatementLineItems [Line Items]  
Balance at the beginning $ 1,970
Revision to estimates 297
Monetary and present value adjustments 272
Disbursements (874)
Translation adjustment 246
Balance at the ending 1,911
Judicial Settlement For Brumadinho [Member]  
IfrsStatementLineItems [Line Items]  
Balance at the beginning 1,164
Revision to estimates 70
Monetary and present value adjustments 166
Disbursements (523)
Translation adjustment 144
Balance at the ending 1,021
Judicial Settlement For Brumadinho [Member] | Payment Obligations [Member]  
IfrsStatementLineItems [Line Items]  
Balance at the beginning 304
Revision to estimates 3
Monetary and present value adjustments 41
Disbursements (196)
Translation adjustment 37
Balance at the ending 189
Judicial Settlement For Brumadinho [Member] | Provision For Socio Economic Reparation And Others [Member]  
IfrsStatementLineItems [Line Items]  
Balance at the beginning 327
Revision to estimates 1
Monetary and present value adjustments 46
Disbursements (97)
Translation adjustment 40
Balance at the ending 317
Judicial Settlement For Brumadinho [Member] | Provision For Social And Environmental Reparation [Member]  
IfrsStatementLineItems [Line Items]  
Balance at the beginning 533
Revision to estimates 66
Monetary and present value adjustments 79
Disbursements (230)
Translation adjustment 67
Balance at the ending 515
Other Obligations [Member]  
IfrsStatementLineItems [Line Items]  
Balance at the beginning 806
Revision to estimates 227
Monetary and present value adjustments 106
Disbursements (351)
Translation adjustment 102
Balance at the ending 890
Other Obligations [Member] | Tailings Containment And Geotechnical Safety [Member]  
IfrsStatementLineItems [Line Items]  
Balance at the beginning 504
Revision to estimates 76
Monetary and present value adjustments 67
Disbursements (169)
Translation adjustment 64
Balance at the ending 542
Other Obligations [Member] | Individual Indemnification [Member]  
IfrsStatementLineItems [Line Items]  
Balance at the beginning 49
Revision to estimates 61
Monetary and present value adjustments 8
Disbursements (48)
Translation adjustment 5
Balance at the ending 75
Other Obligations [Member] | Other Commitments [Member]  
IfrsStatementLineItems [Line Items]  
Balance at the beginning 253
Revision to estimates 90
Monetary and present value adjustments 31
Disbursements (134)
Translation adjustment 33
Balance at the ending $ 273