v3.25.2
Financial Risk Management - Summary of Movement of Interest Bearing Liabilities and Related Derivatives (Detail) - USD ($)
$ in Millions
 12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2023
Disclosure of reconciliation of liabilities arising from financing activities [line items]      
Proceeds from interest bearing liabilities $ 4,129 $ 5,091 $ 8,182
Settlements of debt related instruments (147) (321) (677)
Repayment of interest bearing liabilities (1,675) (7,327)  
Change from Net financing cash flows 2,307 (2,557)  
Bank loans [member]      
Disclosure of reconciliation of liabilities arising from financing activities [line items]      
At the beginning of the financial year 2,610 7,502  
Proceeds from interest bearing liabilities 1,150 400  
Repayment of interest bearing liabilities (40) (5,319)  
Change from Net financing cash flows 1,110 (4,919)  
Other movements:      
Interest rate impacts 11    
Foreign exchange impacts 7 24  
Other interest bearing liabilities/derivative related changes (7) 3  
At the end of the financial year 3,731 2,610 7,502
Notes and debentures [member]      
Disclosure of reconciliation of liabilities arising from financing activities [line items]      
At the beginning of the financial year 14,932 11,819  
Proceeds from interest bearing liabilities 2,979 4,691  
Repayment of interest bearing liabilities (894) (1,338)  
Change from Net financing cash flows 2,085 3,353  
Other movements:      
Interest rate impacts 252 (214)  
Foreign exchange impacts 369 (35)  
Other interest bearing liabilities/derivative related changes 15 9  
At the end of the financial year 17,653 14,932 11,819
Lease Liabilities [member]      
Disclosure of reconciliation of liabilities arising from financing activities [line items]      
At the beginning of the financial year 3,116 3,019  
Repayment of interest bearing liabilities (712) (656)  
Change from Net financing cash flows (712) (656)  
Other movements:      
Divestment of subsidiaries and operations   (60)  
Foreign exchange impacts (13) (16)  
Lease additions 870 593  
Remeasurement of index-linked freight contracts (297) 230  
Other interest bearing liabilities/derivative related changes (11) 6  
At the end of the financial year 2,953 3,116 3,019
Bank overdraft and short-term borrowings [member]      
Disclosure of reconciliation of liabilities arising from financing activities [line items]      
At the beginning of the financial year 3 5  
Other movements:      
Other interest bearing liabilities/derivative related changes (2) (2)  
At the end of the financial year 1 3 5
Other interest bearing liabilities [member]      
Disclosure of reconciliation of liabilities arising from financing activities [line items]      
At the beginning of the financial year 57    
Repayment of interest bearing liabilities (29) (14)  
Change from Net financing cash flows (29) (14)  
Other movements:      
Other interest bearing liabilities/derivative related changes 130 71  
At the end of the financial year 158 57  
Cross currency and interest rate swaps [member]      
Disclosure of reconciliation of liabilities arising from financing activities [line items]      
At the beginning of the financial year 1,395 1,572  
Settlements of debt related instruments (147) (321)  
Change from Net financing cash flows (147) (321)  
Other movements:      
Interest rate impacts (265) 188  
Foreign exchange impacts (369) 35  
Other interest bearing liabilities/derivative related changes (19) (79)  
At the end of the financial year $ 595 $ 1,395 $ 1,572