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Acquisition of businesses - Schedule of cash consideration paid in respect of acquisition of businesses and purchase of shares of non-controlling interests (Details) $ in Millions	6 Months Ended
	Dec. 31, 2024 USD ($)
Disclosure of detailed information about business combination [line items]
Cash consideration paid	$ (25)
Cash acquired	2
Net cash outflow on acquisition of businesses	(76)
Acquisition in subsidiaries
Disclosure of detailed information about business combination [line items]
Cash consideration paid	(25)
Acquisition in subsidiaries | Prior year acquisitions - subsidiaries
Disclosure of detailed information about business combination [line items]
Other consideration	6
Aggregated individually immaterial associates
Disclosure of detailed information about business combination [line items]
Capital injection	$ (47)

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- Definition

Net Cash Outflow On Acquisition Of Businesses And Investments Accounted For Using Equity Method

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- Definition

Other consideration

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- Definition

The amount recognised as of the acquisition date for cash and cash equivalents acquired in a business combination. [Refer: Cash and cash equivalents; Total for all business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-IssueDate 2024-01-01
-Paragraph B64
-Subparagraph i
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- Definition

The fair value, at acquisition date, of cash transferred as consideration in a business combination. [Refer: Total for all business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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-IssueDate 2024-01-01
-Paragraph B64
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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.

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