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Discontinued Operations - Summary of Income Statement - Discontinued Operations (Detail) - USD ($) $ / shares in Units, $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Jun. 30, 2018
Disclosure of analysis of single amount of discontinued operations [abstract] |  |  |
Revenue | $ 850 | $ 1,002 | $ 2,171
Other income | 28 | 14 | 34
Expenses excluding net finance costs | (608) | (1,445) | (5,790)
Profit/(loss) from operations | 270 | (429) | (3,585)
Financial expenses | (8) | (12) | (22)
Net finance costs | (8) | (12) | (22)
Profit/(loss) before taxation | 262 | (441) | (3,607)
Income tax (expense)/benefit | (58) | 609 | 686
Profit/(loss) after taxation from operating activities | 204 | 168 | (2,921)
Net loss on disposal | (497) |  |
(Loss)/profit after taxation | (293) | 168 | (2,921)
Attributable to non-controlling interests | 7 | 22 | 26
Attributable to BHP shareholders | $ (300) | $ 146 | $ (2,947)
Basic (loss)/earnings per ordinary share (cents) | $ (5.6) | $ 2.7 | $ (55.4)
Diluted (loss)/earnings per ordinary share (cents) | $ (5.6) | $ 2.7 | $ (55.4)

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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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- Definition The profit (loss) from discontinued operations. [Refer: Discontinued operations [member]; Profit (loss)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 5 -IssueDate 2018-01-01 -Paragraph 33 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=5&date=2018-03-01&anchor=para_33_a&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2018-01-01 -Paragraph B12 -Subparagraph b -Clause vii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2018-03-01&anchor=para_B12_b_vii&doctype=Appendix&seq=2 -URIDate 2018-03-16 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 82 -Subparagraph ea -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_82_ea&doctype=Standard -URIDate 2018-03-16 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 98 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_98_e&doctype=Standard -URIDate 2018-03-16 + Details
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