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Intangible assets (Tables)
 12 Months Ended
Jun. 30, 2023
Text block [abstract]  
Summary of Intangible Assets
    
2023
     2022  
    
Goodwill
     
Other
intangibles
    
Total
     Goodwill      Other
intangibles		     Total  
    
US$M
     
US$M
    
US$M
     US$M      US$M     US$M  
Net book value
               
At the beginning of the financial year
   
 
1,197
 
   
 
172
 
  
 
1,369
 
     1,197        240       1,437  
Additions
     
–
       
51
      
51
       –        36       36  
Acquisition of subsidiaries and operations
1
     
192
       
–
      
192
       –        –       –  
Amortisation for the year
     
–
       
(94
)
 		    
(94
)
 		     –        (60 )      (60 ) 
Impairments for the year
2
     
–
       
(2
)
 		    
(2
)
 		     –        –       –  
Disposals
     
–
       
(15
)
 		    
(15
)
 		     –        (16 )      (16 ) 
Divestment and demerger of subsidiaries and operations
3
     
–
       
–
      
–
       –        (66 )      (66 ) 
Transfers and other movements
     
–
       
109
      
109
       –        38       38  
  
 
 
     
 
 
    
 
 
    
 
 
     
 
 
    
 
 
  
At the end of the financial year
     
1,389
       
221
      
1,610
       1,197        172       1,369  
  
 
 
     
 
 
    
 
 
    
 
 
     
 
 
    
 
 
  
– Cost
     
1,389
       
1,529
      
2,918
       1,197        1,363       2,560  
– Accumulated amortisation and impairments
     
–
       
(1,308
)
 		    
(1,308
)
 		     –        (1,191 )      (1,191 ) 
  
 
 
     
 
 
    
 
 
    
 
 
     
 
 
    
 
 
  
 
1
 
Relates to the acquisition of OZL on 2 May 2023. Refer to note 29 ‘Business combinations’ for more information.
 
2
 
Refer to note 13 ‘Impairment of
non-current
assets’ for information on impairments.
 
3
 
Relates to the merger of Petroleum with Woodside in FY2022. Refer to note 28 ‘Discontinued operations’ for more information.