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Deferred Tax Balances - Summary of Movement in Net Deferred Tax Position (Detail) - USD ($)
$ in Millions
 12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2021
Net deferred tax (liability)/asset      
At the beginning of the financial year $ (3,007) $ (1,402) $ (91)
Income tax charge recorded in the income statement (387) (125) (1,325)
Income tax credit/(charge) recorded directly in equity 6 (42) 42
Divestment and demerger of subsidiaries and operations 0 (1,439)  
Other movements 12 1 (28)
At the end of the financial year (4,243) $ (3,007) $ (1,402)
OZ Minerals Limited [member]      
Net deferred tax (liability)/asset      
Acquisition of subsidiaries and operations $ (867)