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Capital and other commitments - Summary of Capital and Other Commitments (Detail) - USD ($) $ in Millions | Dec. 31, 2018 | Dec. 31, 2017
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Disclosure of contractual capital commitments [line items] |  |
Capital and other commitments | $ 136 | $ 104
Property, plant and equipment [member] |  |
Disclosure of contractual capital commitments [line items] |  |
Capital and other commitments | 46 | 18
Intangible assets [member] |  |
Disclosure of contractual capital commitments [line items] |  |
Capital and other commitments | 7 | 27
Key money [member] |  |
Disclosure of contractual capital commitments [line items] |  |
Capital and other commitments | $ 83 | $ 59

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- Definition The amount of capital commitments for which the entity has entered into a contract. [Refer: Capital commitments] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_112_c&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition Disclosure of contractual capital commitments. + References No definition available. + Details
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- Details
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- Details
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- Details
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