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Deferred Tax Balances - Summary of Movement in Net Deferred Tax Position (Parenthetical) (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Income tax (charge)/credit recorded in the income statement	$ (1,325)	$ 335	$ (81)
Deferred tax liability (asset)	1,402	91	491	$ (569)
Increase (decrease) due to changes in accounting policy required by IFRSs [member]
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Deferred tax liability (asset)			1,021
Discontinued operations [member]
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Income tax (charge)/credit recorded in the income statement	$ 0	$ 0	$ 40

X

- Definition

The amount of tax expense or income relating to changes in deferred tax liabilities and deferred tax assets, recognised in profit or loss. [Refer: Deferred tax assets; Deferred tax expense (income); Deferred tax liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2020-01-01
-Paragraph 81
-Subparagraph g
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2020-en-r&anchor=para_81_g_ii&doctype=Standard
-URIDate 2020-01-01

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X

- Definition

The amount of deferred tax liabilities or assets. [Refer: Deferred tax liabilities; Deferred tax assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2020-01-01
-Paragraph 81
-Subparagraph g
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2020-en-r&anchor=para_81_g_i&doctype=Standard
-URIDate 2020-01-01

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- 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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