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Investment in Associates and Joint Ventures - Additional Information (Detail) $ in Millions | 12 Months Ended
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Dec. 31, 2021 USD ($) Associate | Dec. 31, 2020 USD ($) Associate | Dec. 31, 2019 USD ($)
Disclosure of investment in associates and joint ventures [line items] |  |  |
Impairment loss |  | $ 4 |
Bottom of range [member] |  |  |
Disclosure of investment in associates and joint ventures [line items] |  |  |
Percentage of Pre tax discount and capitalisation rates | 8.40% |  |
Top of range [member] |  |  |
Disclosure of investment in associates and joint ventures [line items] |  |  |
Percentage of Pre tax discount and capitalisation rates | 12.00% |  |
Exceptional Items [member] |  |  |
Disclosure of investment in associates and joint ventures [line items] |  |  |
Impairment loss |  | 13 |
Joint venture [member] |  |  |
Disclosure of investment in associates and joint ventures [line items] |  |  |
Distribution received by group |  | 2 |
Impairment loss |  | $ 23 |
111 East 48th Street Holdings LLC [member] |  |  |
Disclosure of investment in associates and joint ventures [line items] |  |  |
Material associate investment interest | 19.90% |  |
Name of associate | 111 East 48th Street Holdings LLC |  |
Barclay associate [member] |  |  |
Disclosure of investment in associates and joint ventures [line items] |  |  |
Number of material associate | Associate | 1 | 1 |
Material associate investment interest | 19.90% | 19.90% |
Description of nature of entity's relationship with associate | Barclay associate The Group held one material associate investment at 31 December 2021, a 19.9% interest in 111 East 48th Street Holdings, LLC (the ‘Barclay associate’) which owns InterContinental New York Barclay, a hotel managed by the Group. The investment is classified as an associate and equity accounted. Whilst the Group has the ability to exercise significant influence through certain decision rights, approval rights relating to the hotel’s operating and capital budgets rest solely with the 80.1% majority member. The Group’s ability to receive cash dividends is dependent on the hotel generating sufficient income to satisfy specified owner returns. $18m was provided in 2021 in relation to settlement of a commercial dispute regarding owner returns during the pandemic. |  |
Share of profit loss from associates | $ (5) | $ (13) | $ 10
Barclay associate [member] | Dispute Settlement [Member] |  |  |
Disclosure of investment in associates and joint ventures [line items] |  |  |
Payment towards settlement of dispute | $ 18 |  |
Barclay associate [member] | Bottom of range [member] |  |  |
Disclosure of investment in associates and joint ventures [line items] |  |  |
Percentage of Pre tax discount and capitalisation rates | 7.50% |  |
Barclay associate [member] | Top of range [member] |  |  |
Disclosure of investment in associates and joint ventures [line items] |  |  |
Percentage of Pre tax discount and capitalisation rates | 6.00% |  |
Barclay associate [member] | 111 East 48th Street Holdings LLC [member] |  |  |
Disclosure of investment in associates and joint ventures [line items] |  |  |
Name of associate | 111 East 48th Street Holdings, LLC |  |
Material associate investment interest held by majority member | 80.10% |  |
Americas associates one [member] |  |  |
Disclosure of investment in associates and joint ventures [line items] |  |  |
Recoverable amount |  | 1 |
Americas associates two [member] |  |  |
Disclosure of investment in associates and joint ventures [line items] |  |  |
Recoverable amount |  | 4 |
Americas associates one and two [member] |  |  |
Disclosure of investment in associates and joint ventures [line items] |  |  |
Impairment loss |  | 8 |
Associate three liquidated 2020 [member] |  |  |
Disclosure of investment in associates and joint ventures [line items] |  |  |
Impairment loss |  | 2 |
Investments in associates |  | 0 | $ 5
Dividends received |  | $ 3 |

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- Definition The description of the nature of the entity's relationship with an associate (for example, describing the nature of the activities of the associate and whether they are strategic to the entity's activities). [Refer: Associates [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2021-01-01 -Paragraph 21 -Subparagraph a -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_21_a_ii&doctype=Standard -URIDate 2021-03-24 + Details
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