XML 206 R92.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Significant Events - Additional Information (Detail) $ in Millions, R$ in Billions | 6 Months Ended | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2024 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Jul. 31, 2024 | Jun. 30, 2024 BRL (R$) | Mar. 31, 2024 BRL (R$) | Jan. 25, 2024 USD ($) | Jan. 25, 2024 BRL (R$) | Jun. 30, 2022 USD ($)
Disclosure of significant events [line items] |  |  |  |  |  |  |  |  |
Estimated financial effect of contingent liabilities | $ 2,351 | $ 2,351 | $ 2,278 |  |  |  |  |  |
Unsecured long term debt | 3,600 | 3,600 |  |  |  |  |  |  |
Federal public prosecution office claim [member] |  |  |  |  |  |  |  |  |
Disclosure of significant events [line items] |  |  |  |  |  |  |  |  |
Estimated financial effect of contingent liabilities | R$ |  |  |  |  | R$ 155.0 |  |  |  |
Brazilian Social Contribution Levy [Member] |  |  |  |  |  |  |  |  |
Disclosure of significant events [line items] |  |  |  |  |  |  |  |  |
Percentage of interest in joint venture investment |  |  | 50.00% |  |  |  |  |  |
Estimated financial effect of contingent liabilities | 200 | 200 | $ 200 |  |  |  |  |  |
Gross provisions | 400 | 400 | 1,100 |  |  |  |  |  |
Net provisions | 200 | 200 | 900 |  |  |  |  |  |
Aggregate court deposit paid | 200 | $ 200 | 200 |  |  |  |  |  |
Framework agreement [member] |  |  |  |  |  |  |  |  |
Disclosure of significant events [line items] |  |  |  |  |  |  |  |  |
Percentage of compensation |  |  |  | 50.00% |  |  |  |  |
Samarco dam failure [member] |  |  |  |  |  |  |  |  |
Disclosure of significant events [line items] |  |  |  |  |  |  |  |  |
Percentage of charges recognised in Group's results |  | 100.00% |  |  |  |  |  |  |
Provision recognized | 6,505 | $ 6,505 | 3,681 |  |  |  |  |  | $ 3,421
Increase (decrease) in provision due to reasonable possible acceleration in forecast of cash flows |  | $ 125 |  |  |  |  |  |  |
Percentage of reasonably possible increase in discount rate |  | 0.50% |  |  |  |  |  |  |
Increase (decrease) in provision due to reasonably possible increase in discount rate |  | $ 130 |  |  |  |  |  |  |
Samarco dam failure [member] | Federal public prosecution office claim [member] |  |  |  |  |  |  |  |  |
Disclosure of significant events [line items] |  |  |  |  |  |  |  |  |
Estimated financial effect of contingent liabilities |  |  |  |  |  | R$ 46.7 | $ 8,600 | R$ 47.6 |
Samarco dam failure [member] | Framework agreement [member] | Fundação Renova [member] |  |  |  |  |  |  |  |  |
Disclosure of significant events [line items] |  |  |  |  |  |  |  |  |
Maximum funding cap | 1,000 | 1,000 |  |  |  |  |  |  |
Samarco dam failure [member] | Governance Agreement [member] | Federal public prosecution office claim [member] |  |  |  |  |  |  |  |  |
Disclosure of significant events [line items] |  |  |  |  |  |  |  |  |
Estimated financial effect of contingent liabilities | 28,000 | 28,000 |  |  | R$ 155.0 |  |  |  |
Provision recognized | 6,505 | $ 6,505 |  |  |  |  |  |  |
Samarco Mineracao S.A. [member] |  |  |  |  |  |  |  |  |
Disclosure of significant events [line items] |  |  |  |  |  |  |  |  |
Percentage of interest in joint venture investment |  | 50.00% |  |  |  |  |  |  |
Proportion of compensation on excess cash |  | 50.00% |  |  |  |  |  |  |
Samarco Mineracao S.A. [member] | Samarco dam failure [member] | Brazilian Corporate Income Tax Rate [Member] |  |  |  |  |  |  |  |  |
Disclosure of significant events [line items] |  |  |  |  |  |  |  |  |
Estimated financial effect of contingent liabilities | 1,000 | $ 1,000 | 1,100 |  |  |  |  |  |
Samarco Mineracao S.A. [member] | Samarco dam failure [member] | Framework agreement [member] |  |  |  |  |  |  |  |  |
Disclosure of significant events [line items] |  |  |  |  |  |  |  |  |
Provision recognized | 400 | 400 | $ 400 |  |  |  |  |  |
BHP Brasil Ltda [member] | United Kingdom Group Action Complaint [Member] |  |  |  |  |  |  |  |  |
Disclosure of significant events [line items] |  |  |  |  |  |  |  |  |
Percentage of proportion payable to claimants |  |  |  | 50.00% |  |  |  |  |
BHP Brasil Ltda [member] | Samarco dam failure [member] | Maximum [Member] |  |  |  |  |  |  |  |  |
Disclosure of significant events [line items] |  |  |  |  |  |  |  |  |
Commitments amount | 925 | 925 |  |  |  |  |  |  |
BHP Brasil Ltda [member] | Samarco Mineracao S.A. [member] |  |  |  |  |  |  |  |  |
Disclosure of significant events [line items] |  |  |  |  |  |  |  |  |
Investment in Samarco |  |  |  |  |  |  |  |  |
Dividends received |  | 0 |  |  |  |  |  |  |
Profits available for distribution | 0 | $ 0 |  |  |  |  |  |  |
Percentage of interest in joint venture investment |  | 50.00% |  |  |  |  |  |  |
BHP Brasil Ltda [member] | Samarco Mineracao S.A. [member] | Samarco dam failure [member] |  |  |  |  |  |  |  |  |
Disclosure of significant events [line items] |  |  |  |  |  |  |  |  |
Commitments funded amount | $ 194 |  |  |  |  |  |  |  |
Vale S.A [Member] | United Kingdom Group Action Complaint [Member] |  |  |  |  |  |  |  |  |
Disclosure of significant events [line items] |  |  |  |  |  |  |  |  |
Percentage of proportion payable to claimants |  |  |  | 50.00% |  |  |  |  |

X
- Definition Aggregate court deposit paid. + References No definition available. + Details
Name: | bhp_AggregateCourtDepositPaid
Namespace Prefix: | bhp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount available for distribution. + References No definition available. + Details
Name: | bhp_AmountAvailableForDistribution
Namespace Prefix: | bhp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Commitment funded amount. + References No definition available. + Details
Name: | bhp_CommitmentsFundedAmount
Namespace Prefix: | bhp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

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

X
- Definition Increase decrease in provision due to reasonably possible increase in discount rate. + References No definition available. + Details
Name: | bhp_IncreaseDecreaseInProvisionDueToReasonablyPossibleIncreaseInDiscountRate
Namespace Prefix: | bhp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Increase decrease in provision due to reasonably possible acceleration in forecast cash flows. + References No definition available. + Details
Name: | bhp_IncreaseDecreaseInProvisionduetoReasonablePossibleAccelerationinForecastOfCashflows
Namespace Prefix: | bhp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Maximum funding cap. + References No definition available. + Details
Name: | bhp_MaximumFundingCap
Namespace Prefix: | bhp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Percentage of charges recognised in Group's results. + References No definition available. + Details
Name: | bhp_PercentageOfChargesRecognisedInGroupResults
Namespace Prefix: | bhp_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of compensation. + References No definition available. + Details
Name: | bhp_PercentageOfCompensation
Namespace Prefix: | bhp_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of proportion payable to claimants. + References No definition available. + Details
Name: | bhp_PercentageOfProportionPayableToClaimants
Namespace Prefix: | bhp_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of reasonably possible increase in discount rates. + References No definition available. + Details
Name: | bhp_PercentageOfReasonablyPossibleIncreaseInDiscountRate
Namespace Prefix: | bhp_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Proportion of compensation on excess cash. + References No definition available. + Details
Name: | bhp_ProportionOfCompensationOnExcessCash
Namespace Prefix: | bhp_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Unsecured long term debts. + References No definition available. + Details
Name: | bhp_UnsecuredLongTermDebts
Namespace Prefix: | bhp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of dividends received. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2023-01-01 -Paragraph B12 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_B12_a&doctype=Appendix&subtype=B -URIDate 2023-03-23 + Details
Name: | ifrs-full_DividendsReceived
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of the estimated financial effect of contingent liabilities. [Refer: Contingent liabilities [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2023-01-01 -Paragraph 86 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2023-en-r&anchor=para_86_a&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_EstimatedFinancialEffectOfContingentLiabilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of investments in joint ventures accounted for using the equity method. [Refer: Joint ventures [member]; Investments accounted for using equity method] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_55&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_InvestmentsInJointVenturesAccountedForUsingEquityMethod
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of provisions other than provisions for employee benefits. [Refer: Provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2023-01-01 -Paragraph 84 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2023-en-r&anchor=para_84_a&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 78 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_78_d&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_OtherProvisions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The proportion of ownership interest in a joint venture attributable to the entity. [Refer: Joint ventures [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2023-01-01 -Paragraph 17 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2023-01-01 -Paragraph 16 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2023-01-01 -Paragraph 21 -Subparagraph a -Clause iv -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_21_a_iv&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_ProportionOfOwnershipInterestInJointVenture
Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of liabilities of uncertain timing or amount, including provisions for employee benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 54 -Subparagraph l -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_l&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_Provisions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_ClassesOfContingentLiabilitiesAxis=bhp_FederalPublicProsecutionOfficeClaimMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfContingentLiabilitiesAxis=bhp_BrazilianSocialContributionLevyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ServiceConcessionArrangementsAxis=bhp_FrameworkAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bhp_ExceptionalItemsAxis=bhp_SamarcoDamFailureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | ifrs-full_ServiceConcessionArrangementsAxis=bhp_GovernanceAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_JointVenturesAxis=bhp_SamarcoMineracaoSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfContingentLiabilitiesAxis=bhp_BrazilianCorporateIncomeTaxRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bhp_BhpBrasilLtdaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfContingentLiabilitiesAxis=bhp_UnitedKingdomGroupActionComplaintMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bhp_ValeSaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |