Not required for US reporting	12 Months Ended
Jun. 30, 2023
Text block [abstract]
Not required for US reporting	37 Not required for US reporting 38 Not required for US reporting

The entire disclosure of not required for us reporting.

No definition available.

Name:	bhp_DisclosureOfNotRequiredForUsReportingExplanatory
Namespace Prefix:	bhp_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration