v3.26.1
Related party transactions - Amounts incurred by entity for provision of key management personnel services (Details) - USD ($)
$ in Millions
12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Disclosure of transactions between related parties [line items]      
Salaries and short-term employee benefits $ 14 $ 14 $ 12
Annual incentive plan 8 8 4
Non-Executive Directors’ fees 2 2 2
Share-based payment 8 17 7
Post-employment benefits 2 2 2
Termination payments 5 0 0
Key management personnel remuneration $ 39 $ 43 $ 27