XML 128 R118.htm IDEA: XBRL DOCUMENT
v3.19.2

Deferred Tax Balances - Summary of Composition of Unrecognised Deferred Tax Assets and Liabilities (Parenthetical) (Detail) - USD ($) $ in Millions | Jun. 30, 2019 | Jun. 30, 2018
--- | --- | ---
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Income and capital tax losses with a tax benefit, which are not recognised as deferred tax assets | $ 2,265 | $ 1,946
Tax credits, which are not recognised as deferred tax assets | 1,455 | 1,082
Gross amount of income tax losses | 8,368 |
Gross amount of tax losses not recognised | 12,482 |
Investments, including foreign tax credits [member] |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Temporary difference for which no deferred tax asset is recognised | 1,656 | 1,659
Deferred tax liabilities associated with undistributed earnings of subsidiaries that have not been recognised | 2,253 | 2,216
Australian petroleum resource rent tax [member] |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Temporary difference for which no deferred tax asset is recognised | 2,197 | 2,282
Temporary difference for which no deferred tax liability is recognised | 659 | 685
Mineral rights [member] |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Temporary difference for which no deferred tax asset is recognised | 2,230 | 2,263
Other [member] |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Temporary difference for which no deferred tax asset is recognised | 412 | $ 437
Due not later than one year [member] |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Gross amount of income tax losses | 359 |
Later than one year and not later than two years [member] |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Gross amount of income tax losses | 443 |
Later than two years and not later than five years [member] |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Gross amount of income tax losses | 2,723 |
Later than five years and not later than 10 years [member] |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Tax credits, which are not recognised as deferred tax assets | 1,449 |
Gross amount of income tax losses | 530 |
Later than 10 years and not later than 20 years [member] |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Tax credits, which are not recognised as deferred tax assets | 6 |
Gross amount of income tax losses | 2,312 |
Unlimited [member] |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Gross amount of income tax losses | 2,001 |
Gross amount of capital tax losses | $ 4,114 |

X
- Definition The amount of deductible temporary differences for which no deferred tax liability is recognised in the statement of financial position. + References No definition available. + Details
Name: | bhp_DeductibleTemporaryDifferencesForWhichNoDeferredTaxLiabilityIsRecognised
Namespace Prefix: | bhp_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Gross amount of capital tax losses which are not recognised as deferred tax assets. + References No definition available. + Details
Name: | bhp_GrossAmountOfCapitalTaxLossesNotRecognised
Namespace Prefix: | bhp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Gross amount of income tax losses which are not recognised as deferred tax assets. + References No definition available. + Details
Name: | bhp_GrossAmountOfIncomeTaxLossesNotRecognised
Namespace Prefix: | bhp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Gross amount of tax losses not recognised. + References No definition available. + Details
Name: | bhp_GrossAmountOfTaxLossesNotRecognised
Namespace Prefix: | bhp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of deductible temporary differences for which no deferred tax asset is recognised in the statement of financial position. [Refer: Temporary differences [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2018-01-01 -Paragraph 81 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=12&date=2018-03-01&anchor=para_81_e&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The aggregate amount of temporary differences associated with investments in subsidiaries, branches and associates and interests in joint arrangements, for which deferred tax liabilities have not been recognised as a result of satisfying both of the following conditions: (a) the parent, investor, joint venturer or joint operator is able to control the timing of the reversal of the temporary difference; and (b) it is probable that the temporary difference will not reverse in the foreseeable future. [Refer: Associates [member]; Subsidiaries [member]; Temporary differences [member]; Investments in subsidiaries] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2018-01-01 -Paragraph 81 -Subparagraph f -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=12&date=2018-03-01&anchor=para_81_f&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesBranchesAndAssociatesAndInterestsInJointVentures
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of unused tax credits for which no deferred tax asset is recognised in the statement of financial position. [Refer: Unused tax credits [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2018-01-01 -Paragraph 81 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=12&date=2018-03-01&anchor=para_81_e&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_UnusedTaxCreditsForWhichNoDeferredTaxAssetRecognised
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of unused tax losses for which no deferred tax asset is recognised in the statement of financial position. [Refer: 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 e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=12&date=2018-03-01&anchor=para_81_e&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

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

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

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

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

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_NotLaterThanOneYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanFiveYearsAndNotLaterThanTenYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=bhp_LaterThanTenYearsAndNotLaterThanTwentyYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=bhp_UnlimitedYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |