v3.26.1
Taxation - Narrative (Details) - USD ($)
$ in Millions
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Current tax asset $ 244 $ 354  
Current tax liabilities 207 138  
Provision for tax uncertainties 213 217  
Income taxes paid, classified as operating activities 817 1,114 $ 1,099
Difference between current tax charge and cash tax paid (199) (11)  
Current tax expense (income), related to Pillar Two income taxes 13 7  
Deferred tax assets 173 150  
Deferred tax assets arising in jurisdictions with prior year taxable losses 73 76  
Deferred tax 2,282 2,794 2,804
Deferred tax asset on losses expected to be utilized in the next 12 months 10    
Gross value of tax losses which has not been recognised 699 741  
Unrecognised temporary differences in respect of investments in subsidiaries, branches, interests in associates and joint ventures 22,400 23,600  
Tax losses      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax $ (57) $ (57) $ (64)