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Income Tax Expense - Summary of Income Tax Recognised in Other Comprehensive Income (Parenthetical) (Detail) - USD ($) $ in Millions | 12 Months Ended
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Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2022
Major components of tax expense (income) [abstract] |  |  |
Income tax relating to components of other comprehensive income, deferred taxes | $ (18) | $ 12 | $ 1
Income tax relating to components of other comprehensive income, current taxes |  |  |

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- Definition Current income tax relating to components of other comprehensive income. + References No definition available. + Details
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- Definition Deferred income tax relating to components of other comprehensive income. + References No definition available. + Details
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- References No definition available. + Details
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