XML 256 R130.htm IDEA: XBRL DOCUMENT
v3.19.2

Dividends - Summary of Franking Credits (Detail) - BHP Group Limited [member] - USD ($) $ in Millions | Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2017
--- | --- | --- | ---
Disclosure of dividends [line items] |  |  |
Franking credits | $ 8,681 | $ 10,400 | $ 10,155
Franking credits arising from the payment of current tax | 1,194 | 1,330 | 1,239
Total franking credits available | $ 9,875 | $ 11,730 | $ 11,394

X
- Definition Disclosure of dividends. + References No definition available. + Details
Name: | bhp_DisclosureOfDividendsLineItems
Namespace Prefix: | bhp_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Franking credits are a type of tax credit that allows Australian Companies to pass on tax paid at the company level to shareholders. + References No definition available. + Details
Name: | bhp_FrankingCredits
Namespace Prefix: | bhp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Franking credits available. + References No definition available. + Details
Name: | bhp_FrankingCreditsAvailable
Namespace Prefix: | bhp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Additional Franking credits arising from payment refund of current tax. + References No definition available. + Details
Name: | bhp_FrankingCreditsDebitsArisingFromThePaymentRefundOfCurrentTax
Namespace Prefix: | bhp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | dei_LegalEntityAxis=bhp_BHPGroupLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |