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Income Tax Expense - Summary of Income Tax Recognised in Other Comprehensive Income (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Cash flow hedges:
(Losses)/gains taken to equity	$ 10	$ (29)	$ 274
Losses/(gains) transferred to the income statement	(15)	45	(264)
Others		(11)
Income tax (charge)/credit relating to items that may be reclassified subsequently to the income statement	(5)	5	10
Items that will not be reclassified to the income statement:
Re-measurement gains/(losses) on pension and medical schemes	(13)	7	(9)
Income tax (charge)/credit relating to items that will not be reclassified to the income statement	(13)	7	(9)
Total income tax (charge)/credit relating to components of other comprehensive income	$ (18)	$ 12	$ 1

X

- Definition

Income tax relating to valuation on cash flow hedges taken to equity.

+ References

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- Definition

Income tax relating to valuation on cash flow hedges transferred to income statement.

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- Definition

Income tax transferred to profit or loss other.

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- Definition

The amount of income tax relating to amounts recognised in other comprehensive income. [Refer: Other comprehensive income]

+ References

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- Definition

The amount of income tax relating to amounts recognised in other comprehensive income that will be reclassified to profit or loss. [Refer: Income tax relating to components of other comprehensive income]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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The amount of income tax relating to amounts recognised in other comprehensive income that will not be reclassified to profit or loss. [Refer: Income tax relating to components of other comprehensive income]

+ References

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- Definition

The amount of income tax relating to amounts recognised in other comprehensive income in relation to remeasurements of defined benefit plans. [Refer: Other comprehensive income; Reserve of remeasurements of defined benefit plans; Defined benefit plans [member]]

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