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Goodwill and other intangible assets - Summary of Net Book Value and Remaining Amortisation Period of Principal Management Contracts (Detail) $ in Millions | Dec. 31, 2017 USD ($) yr | Dec. 31, 2016 USD ($) yr
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InterContinental Hong Kong [Member] |  |
Disclosure of intangible assets material to entity [Line Items] |  |
Net book value | $ | $ 61 | $ 62
Remaining amortisation period years | yr | 35 | 36
InterContinental New York Barclay [member] |  |
Disclosure of intangible assets material to entity [Line Items] |  |
Net book value | $ | $ 37 | $ 38
Remaining amortisation period years | yr | 46 | 47
InterContinental London Park Lane [Member] |  |
Disclosure of intangible assets material to entity [Line Items] |  |
Net book value | $ | $ 31 | $ 29
Remaining amortisation period years | yr | 45 | 46
InterContinental Paris - Le Grand [Member] |  |
Disclosure of intangible assets material to entity [Line Items] |  |
Net book value | $ | $ 34 | $ 31
Remaining amortisation period years | yr | 47 | 48

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of intangible assets that are material to the entity’s financial statements. [Refer: Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2017-01-01 -Paragraph 122 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=38&date=2017-03-01&anchor=para_122_b&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The remaining amortisation period of individual intangible assets that are material to the entity’s financial statements. [Refer: Depreciation and amortisation expense] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2017-01-01 -Paragraph 122 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=38&date=2017-03-01&anchor=para_122_b&doctype=Standard -URIDate 2017-03-09 + Details
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- Details
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- Details
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- Details
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- Details
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