v3.26.1
Acquisitions and divestitures (Details Narrative) - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
Nov. 30, 2023
Mar. 31, 2023
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Sep. 30, 2025
Mar. 31, 2025
Sep. 30, 2024
Aug. 31, 2024
Jun. 30, 2024
Apr. 30, 2024
Dec. 31, 2022
Jul. 31, 2022
IfrsStatementLineItems [Line Items]                          
Closing transaction $ 72                        
Realized loss during the period         $ 87                
Acquired the minority interest       $ 130                  
Realized gain during the acquisitions       3                  
Realized gain recorded on equity results         $ 31                
Alianca Energia [Member]                          
IfrsStatementLineItems [Line Items]                          
Results from investments and other results in associates and joint ventures                 $ 305        
Reversal of impairment and gains (losses) on disposal of non-current assets, net             $ 117            
Transaction amount           $ 871              
Cash inflow           1,006              
Reduction remaining investment           $ 135              
Anglo American Brasil [Member]                          
IfrsStatementLineItems [Line Items]                          
Acquisition cost     $ 750                    
Reversal of impairment and gains (losses) on disposal of non-current assets, net     626                    
Impairment on disposal of non-current assets, net     89                    
Payment of cash     30                    
VODC [Member]                          
IfrsStatementLineItems [Line Items]                          
Reversal of impairment and gains (losses) on disposal of non-current assets, net               $ 1,222          
Sale of equity interest amount     555                    
Remeasurement fair value of remaining interest amount     555                    
Cumulative translation adjustments amount     112                    
PTVI [Member]                          
IfrsStatementLineItems [Line Items]                          
Reversal of impairment and gains (losses) on disposal of non-current assets, net       $ 1,059           $ 1,059      
Remeasurement fair value of remaining interest amount     657             657      
Cumulative translation adjustments amount     1,063             1,063      
Net loss     $ 661             $ 661      
Energy Transition Metals Business [Member]                          
IfrsStatementLineItems [Line Items]                          
Gain from the sale amount                     $ 895    
Transactions with noncontrolling shareholders                     $ 1,514    
Arcelor Mittal Brasil S A [Member]                          
IfrsStatementLineItems [Line Items]                          
Investment                         $ 111
Accounts receivable                       $ 24  
Sale of interest   $ 1,082                      
Net debt   $ 1,149                      
USD [Member] | Alianca Energia [Member]                          
IfrsStatementLineItems [Line Items]                          
Acquisition cost                 493        
BRL [Member] | Alianca Energia [Member]                          
IfrsStatementLineItems [Line Items]                          
Acquisition cost                 $ 2,737