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Exploration and Evaluation
 6 Months Ended
Jun. 30, 2024
Text Block [abstract]  
Exploration and evaluation
B.1 Exploration and evaluation
 
    
Asia Pacific

US$m
    
Americas

US$m
    
Africa

US$m
    
Total

US$m
  
Half-year ended 30 June 2024
         
Carrying amount at 1 January 2024
   
 
568
 
  
 
76
 
  
 
24
 
  
 
668
 
Additions
   
 
11
 
  
 
52
 
  
 
14
 
  
 
77
 
Amortisation of licence acquisition costs
   
 
— 
 
  
 
(5
) 
  
 
— 
 
  
 
(5
) 
Transferred exploration and evaluation
   
 
(8
) 
  
 
— 
 
  
 
(18
) 
  
 
(26
) 
  
 
 
    
 
 
    
 
 
    
 
 
  
Carrying amount at 30 June 2024
   
 
571
 
  
 
123
 
  
 
20
 
  
 
714
 
  
 
 
    
 
 
    
 
 
    
 
 
  
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  
  
 
 
    
 
 
    
 
 
    
 
 
  
 
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 oil and gas properties.