Number of issue to remediate.

No definition available.

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- Definition

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

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
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- Definition

The amount of employee expenses that the entity does not separately disclose in the same statement or note.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 19
-IssueDate 2022-03-24
-Paragraph 5
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2022-en-r&anchor=para_5&doctype=Standard
-URIDate 2022-03-24

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

The amount of post-employment benefit expense relating to defined contribution plans. Defined contribution plans are post-employment benefit plans under which an entity pays fixed contributions into a separate entity (a fund) and will have no legal or constructive obligation to pay further contributions if the fund does not hold sufficient assets to pay all employee benefits relating to employee service in the current and prior periods.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 19
-IssueDate 2022-03-24
-Paragraph 53
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2022-en-r&anchor=para_53&doctype=Standard
-URIDate 2022-03-24

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of provisions for employee benefits. [Refer: Employee benefits expense; Provisions]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 78
-Subparagraph d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_78_d&doctype=Standard
-URIDate 2022-03-24

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	bhp_SignificantEventsAxis=bhp_ReviewOfEmployeeAllowancesAndEntitlementsMember
Namespace Prefix:
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Balance Type:
Period Type:

Employee Benefits, Restructuring and Post-retirement Employee Benefits Provisions - Additional Information (Detail) $ in Millions		12 Months Ended
	Jun. 01, 2023 Issues	Jun. 30, 2023 USD ($) Issues	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)
Disclosure of defined benefit plans [line items]
Contributions paid		$ 358	$ 324	$ 301
Employee benefits		$ 1,749	$ 1,351
Review of Employee Allowances and Entitlements [Member]
Disclosure of defined benefit plans [line items]
Number of issue to remediate \| Issues	2	2
Employee benefits		$ 265
Other employee expense		$ 15