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Earnings per share | 6 Months Ended
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Dec. 31, 2018
Text block [abstract] |
Earnings per share |
8. | Earnings per share
|  | Half year ended 31 Dec 2018 |  |  | Half year ended 31 Dec 2017 |  |  | Year ended 30 June 2018 |
Earnings attributable to BHP shareholders (US$M) |  |  |  |  |  |  |  |  |  |  |  |
- Continuing operations |  |  | 4,064 |  |  |  | 1,869 |  |  |  | 6,652 |
- Total |  |  | 3,764 |  |  |  | 2,015 |  |  |  | 3,705 |
Weighted average number of shares (Million) |  |  |  |  |  |  |  |  |  |  |  |
- Basic(1) |  |  | 5,303 |  |  |  | 5,323 |  |  |  | 5,323 |
- Diluted(2) |  |  | 5,318 |  |  |  | 5,338 |  |  |  | 5,337 |
Basic earnings per ordinary share (US cents)(3) |  |  |  |  |  |  |  |  |  |  |  |
- Continuing operations |  |  | 76.6 |  |  |  | 35.1 |  |  |  | 125.0 |
- Total |  |  | 71.0 |  |  |  | 37.9 |  |  |  | 69.6 |
Diluted earnings per ordinary share (US cents)(3) |  |  |  |  |  |  |  |  |  |  |  |
- Continuing operations |  |  | 76.4 |  |  |  | 35.0 |  |  |  | 124.6 |
- Total |  |  | 70.8 |  |  |  | 37.7 |  |  |  | 69.4 |
(1) | The calculation of the number of ordinary shares used in the computation of basic earnings per share is the aggregate of the weighted average number of ordinary shares of BHP Group Limited and BHP Group Plc outstanding during the period after deduction of the number of shares held by the Billiton Employee Share Ownership Plan Trust and the BHP Billiton Limited Employee Equity Trust.
(2) | For the purposes of calculating diluted earnings per share, the effect of 15 million of dilutive shares has been taken into account for the half year ended 31 December 2018 (31 December 2017: 15 million shares; 30 June 2018: 14 million shares). The Group’s only potential dilutive ordinary shares are share awards granted under employee share ownership plans. Diluted earnings per share calculation excludes instruments which are considered antidilutive.
At 31 December 2018, there are no instruments which are considered antidilutive (31 December 2017: nil; 30 June 2018: nil).
(3) | Each American Depositary Share represents twice the earnings for BHP ordinary shares.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2018-01-01 -Section Disclosure -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=33&date=2018-03-01&anchor=sect_Disclosure&doctype=Standard -URIDate 2018-03-16 + Details
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