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Exploration and Evaluation (Tables)
 12 Months Ended
Dec. 31, 2024
Text Block [abstract]  
Summary of Exploration And Evaluation
 
Asia Pacific
US$m
Americas
US$m
Africa
US$m
Total
US$m
 
  
Year ended 31 December 2024
                    
Carrying amount at 1 January 2024
     
568
    
76
    
24
    
668
Additions
     
17
    
81
    
1
    
99
Amortisation of licence acquisition costs
     
-
    
(8
) 
     
-
    
(8
)
 
Expensed
     
(3
)
 
     
-
    
(6
)
 
     
(9
)
Transferred exploration and evaluation
     
(11
)
     
-
    
(18
)
     
(29
)
 
  
Carrying amount at 31 December 2024
     
571
    
149
    
1
    
721
 
  
Year ended 31 December 2023
                    
Carrying amount at 1 January 2023
     
529
    
240
    
38
    
807
Additions
     
79
    
161
    
6
    
246
Amortisation of licence acquisition costs
     
-
    
(2)
    
(2)
    
(4)
Expensed
     
(31)
    
(28)
    
(18)
    
(77)
Transferred exploration and evaluation
1
     
(9)
    
(295)
    
-
    
(304)
 
  
Carrying amount at 31 December 2023
     
568
    
76
    
24
    
668
 
  
Exploration commitments
                    
 
  
Year ended 31 December 2024
     
4
    
-
    
10
    
14
Year ended 31 December 2023
     
3
    
1
    
35
    
39
 
  
 
1
.
On 20 June 2023, the Group made a final investment decision to develop the Trion resource in Mexico. Related exploration and evaluation assets of
 $
274
 million
were transferred to property, plant and equipment.