Trade and other receivables (Tables)
 12 Months Ended
Jun. 30, 2021
Text block [abstract]  
Summary of Trade and Other Receivables
                                 
    
2021
    
2020
  
    
US$M
    
US$M
  
Trade receivables
   
 
4,450
 
  
 
1,974
 
Loans to equity accounted investments
   
 
–
 
  
 
40
 
Other receivables
   
 
1,946
 
  
 
1,617
 
    
 
 
    
 
 
  
Total
   
 
6,396
 
  
 
3,631
 
    
 
 
    
 
 
  
Comprising:
                 
Current
   
 
6,059
 
  
 
3,364
 
Non-current
   
 
337
 
  
 
267