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Subsidiaries
 12 Months Ended
Jun. 30, 2023
Investments accounted for using equity method [abstract]  
Subsidiaries
30    Subsidiaries
Significant subsidiaries of the Group are those with the most significant contribution to the Group’s net profit or net assets. The Group’s interest in the subsidiaries’ results are listed in the table below. For a list of the Group’s subsidiaries, refer to Exhibit 8.1 – List of Subsidiaries.
 
              
Group’s interest
  
Significant subsidiaries
   
Country of
incorporation
   
Principal activity
   
2023

%
      2022
%		  
Coal
                            
Hunter Valley Energy Coal Pty Ltd
    Australia    Coal mining   
 
100
 
      100  
Copper
                            
BHP Olympic Dam Corporation Pty Ltd
    Australia    Copper and uranium mining   
 
100
 
      100  
Compañia Minera Cerro Colorado Limitada
    Chile    Copper mining   
 
100
 
      100  
Minera Escondida Ltda
1
    Chile    Copper mining   
 
57.5
 
      57.5  
Minera Spence SA
    Chile    Copper mining   
 
100
 
      100  
OZ Minerals Carrapateena Pty Ltd
2
    Australia    Copper, gold and silver mining   
 
100
 
      –  
OZ Minerals Prominent Hill Operations Pty Ltd
2
    Australia    Copper, gold and silver mining   
 
100
 
      –  
Iron Ore
                            
BHP Iron Ore (Jimblebar) Pty Ltd
3
    Australia    Iron ore mining   
 
85
 
      85  
BHP Iron Ore Pty Ltd
    Australia    Service company   
 
100
 
      100  
BHP (Towage Service) Pty Ltd
    Australia    Towing services   
 
100
 
      100  
Marketing
                            
BHP Billiton Freight Singapore Pte Limited
    Singapore    Freight services   
 
100
 
      100  
BHP Billiton Marketing AG
    Switzerland    Marketing and trading   
 
100
 
      100  
BHP Billiton Marketing Asia Pte Ltd
    Singapore    Marketing support and other services   
 
100
 
      100  
Group and Unallocated
                            
BHP Billiton Finance B.V.
    The Netherlands    Finance   
 
100
 
      100  
BHP Billiton Finance Limited
    Australia    Finance   
 
100
 
      100  
BHP Billiton Finance (USA) Limited
    Australia    Finance   
 
100
 
      100  
BHP Canada Inc.
    Canada    Potash development   
 
100
 
      100  
BHP Group Operations Pty Ltd
    Australia    Administrative services   
 
100
 
      100  
BHP Nickel West Pty Ltd
    Australia    Nickel mining, smelting, refining and administrative services   
 
100
 
      100  
OZ Minerals Musgrave Operations Pty Ltd
2
    Australia    Copper and nickel mining   
 
100
 
      –  
WMC Finance (USA) Limited
    Australia    Finance   
 
100
 
      100  
 
 
1
 
As the Group has the ability to direct the relevant activities at Minera Escondida Ltda, it has control over the entity. The assessment of the most relevant activity in this contractual arrangement is subject to judgement. The Group establishes the mine plan and the operating budget and has the ability to appoint the key management personnel, demonstrating that the Group has the existing rights to direct the relevant activities of Minera Escondida Ltda.
 
2
 
The acquisition of BHP’s 100 per cent interest in OZ Minerals Limited completed on 2 May 2023. Refer to note 29 ‘Business combinations’ for further information.
 
3
 
The Group has an effective interest of 92.5 per cent in BHP Iron Ore (Jimblebar) Pty Ltd; however, by virtue of the shareholder agreement with ITOCHU Iron Ore Australia Pty Ltd and Mitsui & Co. Iron Ore Exploration & Mining Pty Ltd, the Group’s interest in the Jimblebar mining operation is 85 per cent, which is consistent with the other respective contractual arrangements at Western Australia Iron Ore.