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Other investments - Narrative (Details) - USD ($) $ in Millions | Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2022
--- | --- | --- | ---
Disclosure of financial assets [line items] |  |  |  |  |
Loan provided by subsidiary | $ 94 | $ 71 | [1] | $ 45 | [1]
Customers and third parties |  |  |  |  |
Disclosure of financial assets [line items] |  |  |  |  |
Allowances of loans made to customers and other third parties | 138 | 152 |  | 156 |
Customers and third parties | Loans |  |  |  |  |
Disclosure of financial assets [line items] |  |  |  |  |
Loan provided by subsidiary | 6 | 7 |  | 7 |
Associates | Loans |  |  |  |  |
Disclosure of financial assets [line items] |  |  |  |  |
Loan provided by subsidiary | $ 57 | $ 36 |  | $ 14 |
[1] | (1) See pages 238-240 for an explanation under Accounting information and policies.

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