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Operating costs - Staff costs (Details) - USD ($)
$ in Millions
12 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2022
Aggregate remuneration      
Wages and salaries $ 1,984 $ 1,858 $ 2,068
Share-based incentive plans 43 58 79
Employer’s social security 146 138 142
Employer’s pension      
Defined benefit plans 72 80 48
Defined contribution plans 62 53 44
Other post-employment plans 7 10 4
Staff costs $ 2,314 $ 2,197 $ 2,385