XML 184 R116.htm IDEA: XBRL DOCUMENT
v3.19.2

Deferred Tax Balances - Additional Information (Detail) - USD ($) $ in Millions | Jun. 30, 2019 | Jun. 30, 2018
--- | --- | ---
Unrecognized deferred tax assets and liabilities [line items] |  |
Recognises the benefit of tax losses only to the extent of anticipated future taxable income or gains in relevant jurisdictions | $ 3,764 | $ 4,041
Tax losses [member] |  |
Unrecognized deferred tax assets and liabilities [line items] |  |
Recognises the benefit of tax losses only to the extent of anticipated future taxable income or gains in relevant jurisdictions | $ 2,611 | $ 3,758

X
- Definition Unrecognized deferred tax assets and liabilities. + References No definition available. + Details
Name: | bhp_UnrecognizedDeferredTaxAssetsAndLiabilitiesLineItems
Namespace Prefix: | bhp_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amounts of income taxes recoverable in future periods in respect of: (a) deductible temporary differences; (b) the carryforward of unused tax losses; and (c) the carryforward of unused tax credits. [Refer: Temporary differences [member]; Unused tax credits [member]; Unused tax losses [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2018-01-01 -Paragraph 81 -Subparagraph g -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=12&date=2018-03-01&anchor=para_81_g_i&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 54 -Subparagraph o -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_54_o&doctype=Standard -URIDate 2018-03-16 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 56 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_56&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_DeferredTaxAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis=ifrs-full_UnusedTaxLossesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |