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Discontinued Operations - Summary of Income Statement - Discontinued Operations (Detail) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
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Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2017
Disclosure of analysis of single amount of discontinued operations [abstract] |  |  |
Revenue | $ 851 | $ 2,171 | $ 2,150
Other income | 94 | 34 | 74
Expenses excluding net finance costs | (729) | (5,790) | (3,025)
Profit/(loss) from operations | 216 | (3,585) | (801)
Financial expenses | (8) | (22) | (14)
Net finance costs | (8) | (22) | (14)
Profit/(loss) before taxation | 208 | (3,607) | (815)
Income tax (expense)/benefit | (33) | 686 | 343
Profit/(loss) after taxation from operating activities | 175 | (2,921) | (472)
Net loss on disposal | (510) |  |
Loss after taxation | (335) | (2,921) | (472)
Attributable to non-controlling interests | 7 | 26 | 13
Attributable to BHP shareholders | $ (342) | $ (2,947) | $ (485)
Basic loss per ordinary share (cents) | $ (0.066) | $ (0.554) | $ (0.091)
Diluted loss per ordinary share (cents) | $ (0.066) | $ (0.554) | $ (0.091)

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- Definition Basic earnings (loss) per share from discontinued operations. [Refer: Basic earnings (loss) per share; Discontinued operations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2018-01-01 -Paragraph 68 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=33&date=2018-03-01&anchor=para_68&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The gain (loss) recognised on the measurement to fair value less costs to sell or on the disposal of the assets or disposal group(s) constituting the discontinued operation. [Refer: Discontinued operations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 5 -IssueDate 2018-01-01 -Paragraph 33 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=5&date=2018-03-01&anchor=para_33_b_iii&doctype=Standard -URIDate 2018-03-16 + Details
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