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Employee Share Ownership Plans - Summary of Employee Share Awards (Parenthetical) (Detail) - BHP Group Limited [member]	Jan. 31, 2022 shares	Jun. 30, 2022 Awards
Management Award Plan [member]
Statement [Line Items]
Number of share options exercisable in share-based payment arrangement | Awards		2,761
Number Of Outstanding Share Options Transferred On Unification	161,642
Share Plus [member]
Statement [Line Items]
Number Of Outstanding Share Options Transferred On Unification	280,494

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- Definition

Number of outstanding share options transferred on unification.

+ References

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- Definition

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- Definition

The number of share options exercisable in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2021-01-01
-Paragraph 45
-Subparagraph b
-Clause vii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_vii&doctype=Standard
-URIDate 2021-03-24

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