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Exploration and Evaluation (Tables)
 12 Months Ended
Dec. 31, 2023
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 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
1
     
 
(31)
 
     
 
(28)
 
     
 
(18)
 
     
 
(77)
  
Transferred exploration and evaluation
2
     
 
(9)
 
     
 
(295)
       
 
-
 
     
 
(304)
 
 
  
Carrying amount at 31 December 2023
     
 
568
 
     
 
76
 
     
 
24
 
     
 
668
 
 
  
Year ended 31 December 2022
                                            
Carrying amount at 1 January 2022
     
 
546
 
     
 
-
 
     
 
68
 
     
 
614
 
Acquisitions through business combination
3
     
 
-
 
     
 
180
 
     
 
-
 
     
 
180
 
Additions
     
 
19
 
     
 
204
 
     
 
17
 
     
 
240
 
Disposals
     
 
-
 
     
 
(10)
 
     
 
-
 
     
 
(10)
 
Amortisation of licence acquisition costs
     
 
-
 
     
 
(8)
 
     
 
(2)
 
     
 
(10)
 
Expensed
1
     
 
-
 
     
 
(126)
 
     
 
(45)
 
     
 
(171)
 
Transferred exploration and evaluation
     
 
(36)
 
     
 
-
 
     
 
-
 
     
 
(36)
 
 
  
Carrying amount at 31 December 2022
     
 
529
 
     
 
240
 
     
 
38
 
     
 
807
 
 
  
Exploration commitments
                                            
 
  
Year ended 31 December 2023
     
 
3
 
     
 
1
 
     
 
35
 
     
 
39
 
Year ended 31 December 2022
     
 
1
 
     
 
1
 
     
 
27
 
     
 
29
 
 
  
 
1.
$77 million (2022: $125 million) relates to costs of unsuccessful wells.
2.
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.
3.
Refer to Note B.5 for details of business combination.