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The applicable income tax rate.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2021-01-01
-Paragraph 81
-Subparagraph c
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_c_ii&doctype=Standard
-URIDate 2021-03-24

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The amount of dividends proposed or declared after the reporting period but before financial statements are authorised for issue. Such dividends are not recognised as a liability at the end of the reporting period because no obligation exists at that time.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 137
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_137_a&doctype=Standard
-URIDate 2021-03-24

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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-IssueDate 2021-01-01
-Paragraph 13
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=10&code=ifrs-tx-2021-en-r&anchor=para_13&doctype=Standard
-URIDate 2021-03-24

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The amount, per share, of dividends proposed or declared before financial statements were authorised for issue but not recognised as distribution to owners.

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Dividends - Additional Information (Detail) $ / shares in Units, $ / shares in Units, $ in Millions, $ in Billions		1 Months Ended		12 Months Ended
	Aug. 16, 2022 USD ($) $ / shares	Jun. 30, 2022 USD ($) $ / shares shares	Jun. 30, 2022 AUD ($) $ / shares shares	Jun. 30, 2022 USD ($) shares	Jun. 30, 2021 USD ($) $ / shares	Jun. 30, 2020 USD ($) $ / shares	May 31, 2022 $ / shares
Disclosure of dividends [line items]
Tax rate				30.00%	30.00%	30.00%
Proceeds/(settlements) of cash management related instruments				$ 378	$ (401)	$ 85
In specie dividend				19,559
Major ordinary share transactions [member]
Disclosure of dividends [line items]
Dividend per share, after period-end \| $ / shares	$ 1.75				$ 2	$ 0.55
Dividend amount, after period-end	$ 8,857				$ 10,114	$ 2,782
Proceeds/(settlements) of cash management related instruments				$ 127
BHP Group Limited [member]
Disclosure of dividends [line items]
Number of ordinary shares represented by each American Depositary Share \| shares		2	2	2
Tax rate				30.00%	30.00%	30.00%
BHP Group Limited [member] \| Woodside [Member]
Disclosure of dividends [line items]
Dividend in shares distributed \| shares		914,768,948	914,768,948
Closing share price \| $ / shares							$ 29.76
In specie dividend		$ 19,600	$ 27.2
In specie dividend per share \| (per share)		$ 3.86	$ 5.38
Frankling credits distribution per share \| (per share)		$ 1.66	$ 2.3
BHP Group Plc [member]
Disclosure of dividends [line items]
Number of ordinary shares represented by each American Depositary Share \| shares		2	2	2