v3.25.2
Significant Events - Summary of Provision for Samarco Dam Failure (Detail) - USD ($)
$ in Millions
12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Disclosure of other provisions [line items]    
Current $ 5,823 $ 4,007
Non-current 13,498 15,088
Samarco dam failure [member]    
Disclosure of other provisions [line items]    
At the beginning of the financial year 6,505 3,681
Movement in provision (656) 2,824
Utilised (1,773) (515)
Change in cost estimate 540 3,700
Amortisation of discounting impacting net finance costs 458 506
Exchange translation 119 (867)
Current 2,958 1,500
Non-current 2,891 5,005
At the end of the financial year $ 5,849 $ 6,505