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Financial instruments and risk management - Schedule of available undrawn committed bank facilities (Details) - USD ($) $ in Millions	Jun. 30, 2024	Jun. 30, 2023
Disclosure of information about undrawn borrowing facilities [line items]
Undrawn committed bank facilities	$ 3,250	$ 3,375
Expiring within one year
Disclosure of information about undrawn borrowing facilities [line items]
Undrawn committed bank facilities	625	125
Expiring between one and two years
Disclosure of information about undrawn borrowing facilities [line items]
Undrawn committed bank facilities	1,040	625
Expiring after two years
Disclosure of information about undrawn borrowing facilities [line items]
Undrawn committed bank facilities	$ 1,585	$ 2,625

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- Definition

Disclosure of information about undrawn borrowing facilities.

+ References

No definition available.

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- Definition

The amount of undrawn borrowing facilities that may be available for future operating activities and to settle capital commitments. [Refer: Capital commitments]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 7
-IssueDate 2023-01-01
-Paragraph 50
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-URIDate 2023-03-23

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