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Investment in Associates and Joint Ventures - Summary of Financial Information of Material Associate Investment (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Disclosure of associates [line items] |  |  |
Non-current assets | $ 2,377 | $ 2,147 | $ 1,966
Current assets | 1,376 | 863 | 796
Current liabilities | (1,370) | (1,280) | (1,150)
Non-current liabilities | (3,460) | (3,031) | (2,758)
Net assets | (1,077) | (1,301) | (1,146)
Revenue | 4,337 | 4,075 | 3,912
Profit/(loss) for the period | 352 | 541 | $ 459
Barclay associate [member] |  |  |
Disclosure of associates [line items] |  |  |
Non-current assets | 529 | 540 |
Current assets | 70 | 41 |
Current liabilities | (17) | (19) |
Non-current liabilities | (319) | (287) |
Net assets | 263 | 275 |
Revenue | 103 | 90 |
Profit/(loss) for the period | (13) | (16) |
Group's share of loss for the period, including the cost of funding owner returns | (8) | (4) |
Barclay associate [member] | Group share of reported net assets at 19.9% [member] |  |  |
Disclosure of associates [line items] |  |  |
Net assets | 52 | 55 |
Adjustments to reflect capitalised costs, and additional rights and obligations under the shareholder agreement | 7 | 10 |
Carrying amount | $ 59 | $ 65 |

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- Definition The amount of liabilities that: (a) the entity expects to settle in its normal operating cycle; (b) the entity holds primarily for the purpose of trading; (c) are due to be settled within twelve months after the reporting period; or (d) the entity does not have an unconditional right to defer settlement for at least twelve months after the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2018-01-01 -Paragraph B12 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2018-03-01&anchor=para_B12_b_iii&doctype=Appendix&seq=2 -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 69 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_69&doctype=Standard -URIDate 2018-03-16 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 12 -IssueDate 2018-01-01 -Paragraph B10 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2018-03-01&anchor=para_B10_b&doctype=Appendix&seq=2 -URIDate 2018-03-16 + Details
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- Definition The amount of investments in associates in an entity's separate financial statements. [Refer: Associates [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2018-01-01 -Paragraph 10 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=27&date=2018-03-01&anchor=para_10&doctype=Standard -URIDate 2018-03-16 + Details
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