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Employee Share Ownership Plans - Summary of Employee Share Awards (Detail) | 12 Months Ended
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Jun. 30, 2019 shares yr
BHP Group Limited [member] | STIP awards [member] |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Number of awards at the beginning of the financial year | 308,028
Number of awards issued during the year | 271,355
Number of awards vested and exercised | 65,392
Number of awards at the end of the financial year | 513,991
Weighted average remaining contractual life (years) | yr | 0.7
BHP Group Limited [member] | GSTIP awards [member] |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Number of awards at the beginning of the financial year | 2,008,455
Number of awards vested and exercised | 780,315
Number of awards lapsed | 85,656
Number of awards at the end of the financial year | 1,142,484
Number of awards vested and exercisable at the end of the financial year | 15,932
Weighted average remaining contractual life (years) | yr | 0.2
BHP Group Limited [member] | Long-Term Incentive Plan [member] |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Number of awards at the beginning of the financial year | 5,980,975
Number of awards issued during the year | 947,153
Number of awards lapsed | 1,197,239
Number of awards at the end of the financial year | 5,730,889
Weighted average remaining contractual life (years) | yr | 2.1
BHP Group Limited [member] | Transitional OMC awards [member] |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Number of awards at the beginning of the financial year | 46,840
Number of awards vested and exercised | 16,160
Number of awards lapsed | 7,260
Number of awards at the end of the financial year | 23,420
Weighted average remaining contractual life (years) | yr | 0.2
BHP Group Limited [member] | MAP awards [member] |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Number of awards at the beginning of the financial year | 10,379,263
Number of awards issued during the year | 4,604,638
Number of awards vested and exercised | 2,416,107
Number of awards lapsed | 1,077,449
Number of awards at the end of the financial year | 11,490,345
Number of awards vested and exercisable at the end of the financial year | 94,921
Weighted average remaining contractual life (years) | yr | 1.3
BHP Group Limited [member] | Shareplus [member] |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Number of awards at the beginning of the financial year | 4,775,079
Number of awards issued during the year | 2,025,302
Number of awards vested and exercised | 2,590,297
Number of awards lapsed | 352,939
Number of awards at the end of the financial year | 3,857,145
Weighted average remaining contractual life (years) | yr | 1.2
BHP Group Plc [member] | GSTIP awards [member] |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Number of awards at the beginning of the financial year | 63,868
Number of awards vested and exercised | 22,911
Number of awards lapsed | 11,531
Number of awards at the end of the financial year | 29,426
Weighted average remaining contractual life (years) | yr | 0.2
BHP Group Plc [member] | MAP awards [member] |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Number of awards at the beginning of the financial year | 315,451
Number of awards issued during the year | 132,676
Number of awards vested and exercised | 107,756
Number of awards lapsed | 67,340
Number of awards at the end of the financial year | 273,031
Weighted average remaining contractual life (years) | yr | 1.3
BHP Group Plc [member] | Shareplus [member] |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Number of awards at the beginning of the financial year | 282,159
Number of awards issued during the year | 111,866
Number of awards vested and exercised | 145,666
Number of awards lapsed | 24,289
Number of awards at the end of the financial year | 224,070
Weighted average remaining contractual life (years) | yr | 1.2

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