v3.25.2
Interests in Joint Operations - Summary of Significant Interests in Joint Operations (Detail)
12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Mt Goldsworthy [member]    
Disclosure of significant joint operations [line items]    
Country of operation Australia  
Principal activity Iron ore mining  
Group's interest 85.00% 85.00%
Mt Newman [member]    
Disclosure of significant joint operations [line items]    
Country of operation Australia  
Principal activity Iron ore mining  
Group's interest 85.00% 85.00%
Yandi [member]    
Disclosure of significant joint operations [line items]    
Country of operation Australia  
Principal activity Iron ore mining  
Group's interest 85.00% 85.00%
Central Queensland Coal Associates [member]    
Disclosure of significant joint operations [line items]    
Country of operation Australia  
Principal activity Coal mining  
Group's interest 50.00% 50.00%