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Other Equity - Summary of Reserves (Detail) - USD ($) $ in Millions	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Other reserves [abstract]
Share premium account	$ 518	$ 518	$ 518
Foreign currency translation reserve	37	42	40
Employee share awards reserve	213	196	214
Cash flow hedge reserve	114	58	153
Cost of hedging reserve	(74)
Equity investments reserve	17	16	10
Capital redemption reserve	177	177	177
Non-controlling interest contribution reserve	1,283	1,283	1,288
Total reserves	$ 2,285	$ 2,290	$ 2,400

X

- Definition

Cost of hedging reserve.

+ References

No definition available.

+ Details

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X

- Definition

The non-controlling interest contribution reserve represents the excess of consideration received over the book value of net assets attributable to equity instruments when acquired by non-controlling interests.

+ References

No definition available.

+ Details

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X

- Definition

A component of equity representing the reserve for the redemption of the entity's own shares.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard
-URIDate 2018-03-16

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X

- Definition

A component of equity representing reserves within equity, not including retained earnings. [Refer: Retained earnings]

+ References

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-Name IAS
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-URIDate 2018-03-16

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- References

No definition available.

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X

- Definition

A component of equity representing the accumulated portion of gain (loss) on a hedging instrument that is determined to be an effective hedge for cash flow hedges. [Refer: Cash flow hedges [member]]

+ References

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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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X

- Definition

A component of equity representing exchange differences on translation of financial statements of foreign operations recognised in other comprehensive income and accumulated in equity. [Refer: Other comprehensive income]

+ References

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- Definition

A component of equity representing accumulated gains and losses from investments in equity instruments that the entity has designated at fair value through other comprehensive income.

+ References

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- Definition

A component of equity resulting from share-based payments.

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- Definition

The amount received or receivable from the issuance of the entity's shares in excess of nominal value.

+ References

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