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Other Equity - Summary of Financial Information Relating to Subsidiaries with Non-controlling Interests (Parenthetical) (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Discontinued operations - Onshore US Cash Generating Units [member]
Disclosure of significant subsidiaries [line items]
Dividends paid to non-controlling interests	$ 0	$ 7

X

- Definition

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

+ References

No definition available.

+ Details

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- Definition

The amount of dividends paid to non-controlling interests. [Refer: Non-controlling interests]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2019-01-01
-Paragraph B10
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2019-en-r&anchor=para_B10_a&doctype=Appendix&subtype=B
-URIDate 2019-03-27

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