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Employee benefits, restructuring and post-retirement employee benefits provisions (Tables)
 12 Months Ended
Jun. 30, 2023
Text block [abstract]  
Summary of Employee Benefits, Restructuring and Post-retirement Employee Benefits Provisions  
    
2023
      2022  
    
US$M
      US$M  
Employee benefits
1
     
1,749
        1,351  
Restructuring
2
     
28
        27  
Post-retirement employee benefits
3
     
373
        281  
    
 
 
     
 
 
  
Total provisions
     
2,150
        1,659  
    
 
 
     
 
 
  
Comprising:
                  
Current
     
1,734
        1,319  
Non-current
     
416
        340  
 
Summary of Reconciliation of Employee Benefits Restructuring and Postretirement Employee Benefits
2023
   
Employee
benefits
    
Restructuring
    
Post-
retirement
employee
benefits
3
    
Total
  
    
US$M
    
US$M
    
US$M
    
US$M
  
At the beginning of the financial year
     
1,351
      
27
      
281
      
1,659
  
Acquisition of subsidiaries and operations
4
     
25
      
–
      
–
      
25
  
Charge/(credit) for the year:
                                 
Underlying
     
1,675
      
26
      
75
      
1,776
  
Discounting
     
–
      
–
      
19
      
19
  
Net interest expense
     
–
      
–
      
(5
)
 		    
(5
)
 
Exchange variations
     
(21
)
 		    
–
      
34
      
13
  
Released during the year
     
(66
)
 		    
–
      
(2
)
 		    
(68
)
 
Remeasurement gains taken to retained earnings
     
–
      
–
      
18
      
18
  
Utilisation
     
(1,204
)
 		    
(25
)
 		    
(47
)
 		    
(1,276
)
 
Transfers and other movements
     
(11
)
 		    
–
      
–
      
(11
)
 
    
 
 
    
 
 
    
 
 
    
 
 
  
At the end of the financial year
     
1,749
      
28
      
373
      
2,150
  
    
 
 
    
 
 
    
 
 
    
 
 
  
 
1
 
The expenditure associated with total employee benefits will occur in a pattern consistent with when employees choose to exercise their entitlement to benefits.
 
2
 
Total restructuring provisions include provisions for terminations and office closures.
 
3
 
The net liability recognised in the Consolidated Balance Sheet includes US$151 million present value of funded defined benefits pension obligation (2022: US$165 million) offset by fair value of defined benefit scheme assets US$(159
) million (2022: US$(169) million), US$79 million present value of unfunded defined pension and post-retirement medical benefits obligation (2022: US$85 million) and US$302 million unfunded post-employment benefits obligation in Chile (2022: US$200 million).
 
4
 
Relates to the acquisition of OZL on 2 May 2023. Refer to note 29 ‘Business combinations’ for more information.