Deferred Tax Balances - Summary of Movement in Net Deferred Tax Position (Parenthetical) (Detail) - USD ($) $ in Millions |
12 Months Ended | ||
---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2023 |
|
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] | |||
Income tax (charge)/credit recorded in the income statement | $ (177) | $ 988 | $ (387) |
Western Australia Nickel [Member] | |||
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] | |||
Income tax (charge)/credit recorded in the income statement | $ 1,125 | ||
Chilean tax reform [member] | |||
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] | |||
Deferred tax position remeasured | $ (283) |