XML 63 R53.htm IDEA: XBRL DOCUMENT v3.10.0.1

Share Capital - Summary of Shares Purchases (Detail) - 6 months ended Dec. 31, 2018 $ in Millions	USD ($) shares	$ / shares
Disclosure of classes of share capital [abstract]
Number | shares	265,839,711
Cost per share | $ / shares		$ 27.64
Total Cost | $	$ 5,274

X

- Definition

Share purchased price per share.

+ References

No definition available.

+ Details

Name:	bhp_SharePurchasedPricePerShare
Namespace Prefix:	bhp_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Shares purchased and cancelled.

+ References

No definition available.

+ Details

Name:	bhp_SharesPurchasedAndCancelled
Namespace Prefix:	bhp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfClassesOfShareCapitalAbstract
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The increase (decrease) in the number of shares outstanding. [Refer: Number of shares outstanding]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 79
-Subparagraph a
-Clause iv
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_79_a_iv&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration