v3.26.1
Investments Accounted for Using the Equity Method - Summary of Movements of Investments Accounted for using the Equity Method (Detail) - USD ($)
$ in Millions
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Disclosure of significant investments in associates and joint ventures [line items]    
At the beginning of the financial year $ 4,107 $ 1,662
Profit/(loss) from equity accounted investments, related impairments and expenses 574  
Investment in equity accounted investments 350  
Dividends received from equity accounted investments (895)  
Divestment of equity accounted investments (42)  
Other 320  
At the end of the financial year 4,414 4,107
Joint ventures [member]    
Disclosure of significant investments in associates and joint ventures [line items]    
At the beginning of the financial year 2,356  
Profit/(loss) from equity accounted investments, related impairments and expenses 325  
Investment in equity accounted investments 242  
Dividends received from equity accounted investments 0  
Divestment of equity accounted investments 0  
Other 320  
At the end of the financial year 2,593 2,356
Associates [member]    
Disclosure of significant investments in associates and joint ventures [line items]    
At the beginning of the financial year 1,751  
Profit/(loss) from equity accounted investments, related impairments and expenses 899  
Investment in equity accounted investments 108  
Dividends received from equity accounted investments (895)  
Divestment of equity accounted investments (42)  
Other 0  
At the end of the financial year $ 1,821 $ 1,751