XML 265 R182.htm IDEA: XBRL DOCUMENT v3.19.2

Contingent Liabilities - Summary of Contingent Liabilities (Detail) - USD ($) $ in Millions	Jun. 30, 2019	Jun. 30, 2018
Disclosure of contingent liabilities [line items]
Contingent liabilities	$ 3,443	$ 3,503
Associates and joint ventures [member]
Disclosure of contingent liabilities [line items]
Contingent liabilities	1,822	1,588
Subsidiaries and joint operations [member]
Disclosure of contingent liabilities [line items]
Contingent liabilities	$ 1,621	$ 1,915

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

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

X

- Definition

The amount of the estimated financial effect of contingent liabilities. [Refer: Contingent liabilities [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 37
-IssueDate 2018-01-01
-Paragraph 86
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2018-03-01&anchor=para_86_a&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_EstimatedFinancialEffectOfContingentLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=bhp_AssociatesAndJointVenturesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=bhp_SubsidiariesAndJointOperationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: