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Trade and other receivables - Summary of Ageing of Trade and Other Receivables (Detail) - USD ($) $ in Millions | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | --- | --- | ---
Disclosure of trade and other receivables [line items] |  |  |  |
Gross | $ 554 | $ 472 |  |
Provision | (77) | (69) | $ (56) | $ (47)
Net | 477 | 403 |  |
Not past due [member] |  |  |  |
Disclosure of trade and other receivables [line items] |  |  |  |
Gross | 333 | 289 |  |
Provision | (1) | (1) |  |
Net | 332 | 288 |  |
Past due 1 to 30 days [member] |  |  |  |
Disclosure of trade and other receivables [line items] |  |  |  |
Gross | 68 | 58 |  |
Provision | (2) | (3) |  |
Net | 66 | 55 |  |
Past due 31 to 180 days [member] |  |  |  |
Disclosure of trade and other receivables [line items] |  |  |  |
Gross | 82 | 64 |  |
Provision | (7) | (7) |  |
Net | 75 | 57 |  |
Past due more than 180 days [member] |  |  |  |
Disclosure of trade and other receivables [line items] |  |  |  |
Gross | 71 | 61 |  |
Provision | (67) | (58) |  |
Net | $ 4 | $ 3 |  |

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- Definition The amount of an allowance account used to record impairments to financial assets due to credit losses. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2018-01-01 -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 16 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-02&anchor=para_16&doctype=Standard&book=B -URIDate 2017-03-09 + Details
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- Definition Disclosure of trade and other receivables. + References No definition available. + Details
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- Definition Gross trade and other receivables. + References No definition available. + Details
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- Definition Trade and other receivables excluding prepayments. + References No definition available. + Details
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Namespace Prefix: | ihg_
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Period Type: | instant

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- Details
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- Details
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- Details
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- Details
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Balance Type: |
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