Expenses and Other Income - Summary of Expenses and Other Income (Detail) - USD ($) $ in Millions |
12 Months Ended | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2024 |
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| Employee benefits expense: | |||||||||||||||
| Wages and salaries | $ 5,198 | $ 5,017 | $ 4,633 | ||||||||||||
| Employee share awards | 123 | 127 | 112 | ||||||||||||
| Social security costs | 6 | 5 | 5 | ||||||||||||
| Pension and other post-retirement obligations | 442 | 399 | 374 | ||||||||||||
| Less employee benefits expense classified as exploration and evaluation expenditure | (69) | (61) | (49) | ||||||||||||
| Changes in inventories of finished goods and work in progress | (1,093) | 433 | (289) | ||||||||||||
| Raw materials and consumables used | 6,356 | 5,950 | 6,536 | ||||||||||||
| Freight and transportation | 2,110 | 2,029 | 2,270 | ||||||||||||
| External services | 5,418 | 5,726 | 5,795 | ||||||||||||
| Third-party commodity purchases | 3,171 | 1,991 | 1,977 | ||||||||||||
| Net foreign exchange losses | 184 | 85 | 23 | ||||||||||||
| Fair value change on derivatives | [1] | 130 | (58) | 84 | |||||||||||
| Government royalties paid and payable | 2,887 | 2,608 | 3,571 | ||||||||||||
| Exploration and evaluation expenditure incurred and expensed in the current period | 347 | 346 | 399 | ||||||||||||
| Depreciation and amortisation expense | 6,201 | 5,540 | 5,295 | ||||||||||||
| Impairment net of reversals: | |||||||||||||||
| Net impairment profit or loss | 2,406 | 171 | |||||||||||||
| All other operating expenses | 2,162 | 2,074 | 2,124 | ||||||||||||
| Total expenses | 35,979 | 32,319 | 36,750 | ||||||||||||
| (Gain)/loss on disposal of subsidiaries and operations | [2] | (65) | 117 | (915) | |||||||||||
| Other income | [3] | (449) | (485) | (370) | |||||||||||
| Total other income | (514) | (368) | (1,285) | ||||||||||||
| Property, plant and equipment [member] | |||||||||||||||
| Impairment net of reversals: | |||||||||||||||
| Net impairment profit or loss | 2,399 | [4] | 106 | [4] | 3,833 | ||||||||||
| Goodwill And Other Intangible Assets [Member] | |||||||||||||||
| Impairment net of reversals: | |||||||||||||||
| Net impairment profit or loss | $ 7 | [5] | $ 2 | [5] | $ 57 | ||||||||||
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