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Share capital (Tables) | 12 Months Ended
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Jun. 30, 2019
Text block [abstract] |
Summary of Share Capital |
|  | BHP Group Limited |  |  | BHP Group Plc |
|  | 2019 shares |  |  | 2018 shares |  |  | 2017 shares |  |  | 2019 shares |  |  | 2018 shares |  |  | 2017 shares |
Share capital issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Opening number of shares |  |  | 3,211,691,105 |  |  |  | 3,211,691,105 |  |  |  | 3,211,691,105 |  |  |  | 2,112,071,796 |  |  |  | 2,112,071,796 |  |  |  | 2,112,071,796 |
Purchase of shares by ESOP Trusts |  |  | (6,854,057 | ) |  |  | (7,469,236 | ) |  |  | (6,481,292 | ) |  |  | (274,069 | ) |  |  | (679,223 | ) |  |  | (225,646 | )
Employee share awards exercised following vesting |  |  | 5,902,588 |  |  |  | 7,339,522 |  |  |  | 6,945,570 |  |  |  | 275,984 |  |  |  | 711,705 |  |  |  | 940,070 |
Movement in treasury shares under Employee Share Plans |  |  | 951,469 |  |  |  | 129,714 |  |  |  | (464,278 | ) |  |  | (1,915 | ) |  |  | (32,482 | ) |  |  | (714,424 | )
Shares bought back and cancelled(1) |  |  | (265,839,711 | ) |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |
Closing number of shares (2) |  |  | 2,945,851,394 |  |  |  | 3,211,691,105 |  |  |  | 3,211,691,105 |  |  |  | 2,112,071,796 |  |  |  | 2,112,071,796 |  |  |  | 2,112,071,796 |
Comprising: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares held by the public |  |  | 2,944,703,079 |  |  |  | 3,211,494,259 |  |  |  | 3,211,623,973 |  |  |  | 2,112,032,077 |  |  |  | 2,112,030,162 |  |  |  | 2,111,997,680 |
Treasury shares |  |  | 1,148,315 |  |  |  | 196,846 |  |  |  | 67,132 |  |  |  | 39,719 |  |  |  | 41,634 |  |  |  | 74,116 |
Other share classes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Special Voting share of no par value |  |  | 1 |  |  |  | 1 |  |  |  | 1 |  |  |  | – |  |  |  | – |  |  |  | – |
Special Voting share of US$0.50 par value |  |  | – |  |  |  | – |  |  |  | – |  |  |  | 1 |  |  |  | 1 |  |  |  | 1 |
5.5% Preference shares of £1 each |  |  | – |  |  |  | – |  |  |  | – |  |  |  | 50,000 |  |  |  | 50,000 |  |  |  | 50,000 |
DLC Dividend share |  |  | 1 |  |  |  | 1 |  |  |  | 1 |  |  |  | – |  |  |  | – |  |  |  | – |
(1) | During December 2018, BHP completed an off-market buy-back program of US$5.2 billion of BHP Group Limited shares related to the disbursement of proceeds from the disposal of Onshore US.
(2) | No fully paid ordinary shares in BHP Group Limited or BHP Group Plc were issued on the exercise of Group Incentive Scheme awards during the period 1 July 2019 to 5 September 2019.

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