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Financial Risk Management - Summary of Carrying Amounts of Group's Notes and Debentures by Currency and Derivatives Which Hedge (Parenthetical) (Detail) - USD ($) $ in Millions	Jun. 30, 2023	Jun. 30, 2022
Disclosure of detailed information about hedged items [line items]
Borrowings	$ 19,326	$ 13,852
Fixed interest rate not swapped to floating rate [member]
Disclosure of detailed information about hedged items [line items]
Borrowings	$ 534	$ 3,018

X

- Definition

The amount of outstanding funds that the entity is obligated to repay.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 55
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-URIDate 2022-03-24

+ Details

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Period Type:	instant

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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X

- Details

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Balance Type:
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