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Significant Events - Summary of Provision for Samarco Dam Failure (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jun. 30, 2024 | Jun. 30, 2023
Disclosure of other provisions [line items] |  |
Current | $ 4,007 | $ 4,514
Non-current | 15,088 | 11,973
Samarco dam failure [member] |  |
Disclosure of other provisions [line items] |  |
At the beginning of the financial year | 3,681 | 3,421
Movement in provision | 2,824 | 260
Utilised | (515) | (448)
Change in cost estimate | 3,700 | (33)
Amortisation of discounting impacting net finance costs | 506 | 452
Exchange translation | (867) | 289
Current | 1,500 | 1,876
Non-current | 5,005 | 1,805
At the end of the financial year | $ 6,505 | $ 3,681

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