v3.26.1
Related parties (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Aggregate continuing and discontinued operations [member]      
IfrsStatementLineItems [Line Items]      
Net operating revenue $ 501 $ 638 $ 736
Cost and operating expenses (1,847) (1,367) (964)
Financial result 194 (443) 161
Companhia Siderurgica Do Pecem [Member]      
IfrsStatementLineItems [Line Items]      
Net operating revenue     93
Alianca Geracao De Energia SA [Member]      
IfrsStatementLineItems [Line Items]      
Cost and operating expenses (63) (63) (126)
Pelletizing Companies [Member]      
IfrsStatementLineItems [Line Items]      
Cost and operating expenses (36) (308) (227)
Financial result (36) (26) (38)
Mrs Logistica S.a. [Member]      
IfrsStatementLineItems [Line Items]      
Cost and operating expenses (459) (429) (453)
Norte Energia S.a. [Member]      
IfrsStatementLineItems [Line Items]      
Cost and operating expenses (70) (66) (107)
Vale Oman Distribution Center [Member]      
IfrsStatementLineItems [Line Items]      
Cost and operating expenses (277) (63)  
Vli S.a. [Member]      
IfrsStatementLineItems [Line Items]      
Net operating revenue 320 359 321
Cost and operating expenses (49) (26) (29)
Financial result (5) (2) (3)
PTVI [Member]      
IfrsStatementLineItems [Line Items]      
Cost and operating expenses (641) (397)  
Anglo American [Member]      
IfrsStatementLineItems [Line Items]      
Cost and operating expenses (235)    
Financial result 13    
Other Associates And Joint Ventures [Member]      
IfrsStatementLineItems [Line Items]      
Net operating revenue 26 29 32
Cost and operating expenses (1) (11) (11)
Financial result     1
Total for all related parties [member]      
IfrsStatementLineItems [Line Items]      
Net operating revenue 346 388 446
Cost and operating expenses (1,831) (1,363) (953)
Financial result (28) (28) (40)
Bradesco [Member]      
IfrsStatementLineItems [Line Items]      
Financial result 213 (416) 201
Mitsui Co. Ltd [Member]      
IfrsStatementLineItems [Line Items]      
Net operating revenue 147 247 280
Cosan [Member]      
IfrsStatementLineItems [Line Items]      
Net operating revenue 8 3 10
Cost and operating expenses (16) (4) (11)
Banco Do Brasil [Member]      
IfrsStatementLineItems [Line Items]      
Financial result 9 1  
Major Shareholders [Member]      
IfrsStatementLineItems [Line Items]      
Net operating revenue 155 250 290
Cost and operating expenses (16) (4) (11)
Financial result $ 222 $ (415) $ 201