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Inventories (Tables)
12 Months Ended
Dec. 31, 2024
Classes of current inventories [abstract]  
Summary of inventories
    
2024
US$m
    
2023
US$m
 
 
 
(a) Inventories (current)
     
Petroleum products
     
Goods in transit
  
85
  
41
Finished stocks
  
135
  
93
Warehouse stores and materials
  
457
  
476
Carbon credits
  
7
  
6
 
 
  
684
  
  616
 
 
(b) Inventories
(non-current)
     
Warehouse stores and materials
  
18
  
3
Carbon credits
  
195
  
117
 
 
  
213
  
120