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Employee Share Ownership Plans - Summary of Fair Value and Assumptions in the Calculation of Fair Value for Awards Issued (Detail) - BHP Group Limited [member] | 12 Months Ended
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Jun. 30, 2024 USD ($) yr $ / shares
CDP awards [Member] |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Weighted average fair value of awards granted during the year | $ | $ 29.71
CDP awards [Member] | Bottom of range [member] |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Estimated life of awards | yr | 2
CDP awards [Member] | Top of range [member] |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Estimated life of awards | yr | 5
CDP awards [Member] | Range One [Member] |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Share price at grant date | $ 44.7
CDP awards [Member] | Range Two [Member] |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Share price at grant date | $ 42.75
LTIP awards [member] |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Weighted average fair value of awards granted during the year | $ | $ 19.51
Risk-free interest rate | 4.23%
Estimated life of awards | yr | 5
Share price at grant date | $ 44.7
Estimated volatility of share price | 33.61%
MAP awards [member] |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Weighted average fair value of awards granted during the year | $ | $ 23.95
MAP awards [member] | Bottom of range [member] |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Estimated life of awards | yr | 1
MAP awards [member] | Top of range [member] |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Estimated life of awards | yr | 5
MAP awards [member] | Range One [Member] |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Share price at grant date | $ 43.49
Dividend yield | 5.21%
MAP awards [member] | Range Two [Member] |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Share price at grant date | $ 47.74
Dividend yield | 5.60%
MAP awards [member] | Range Three [Member] |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Share price at grant date | $ 45.52
Dividend yield | 7.44%
MAP awards [member] | Range Four [Member] |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Share price at grant date | $ 42.75
Shareplus [member] |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Weighted average fair value of awards granted during the year | $ | $ 24.4
Estimated life of awards | yr | 3
Share price at grant date | $ 47.23
Dividend yield | 7.41%

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- Definition The expected volatility of the share price used to calculate the fair value of the share options granted. Expected volatility is a measure of the amount by which a price is expected to fluctuate during a period. The measure of volatility used in option pricing models is the annualised standard deviation of the continuously compounded rates of return on the share over a period of time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 47 -Subparagraph a -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_47_a_i&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The option life of share options granted. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 47 -Subparagraph a -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_47_a_i&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The implied yield currently available on zero-coupon government issues of the country in whose currency the exercise price for share options granted is expressed, with a remaining term equal to the expected term of the option being valued (based on the option's remaining contractual life and taking into account the effects of expected early exercise). [Refer: Government [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 47 -Subparagraph a -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_47_a_i&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The percentage of an expected dividend used to calculate the fair value of share options granted. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 47 -Subparagraph a -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_47_a_i&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The weighted average fair value of share options granted during the period at the measurement date. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 47 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_47_a&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The weighted average share price used as input to the option pricing model to calculate the fair value of share options granted. [Refer: Option pricing model [member]; Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 47 -Subparagraph a -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_47_a_i&doctype=Standard -URIDate 2023-03-23 + Details
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