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Leases - Additional Information (Detail) £ in Millions, $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 USD ($) Leases | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2023 GBP (£) Leases
Disclosure Of Information Leases [Line Items] |  |  |  |
Weighted average remaining lease term | 56 years | 56 years |  |
Percentage of right of use assets value | 94.00% | 95.00% |  | 94.00%
Lease liabilities | $ 426 | $ 427 |  |
Undiscounted rent payable amount | 3,403 | 3,430 |  |
Remaining undiscounted cash flows | $ 3,212 | $ 3,233 |  |
Percentage of undiscounted cash flows relating to lease liabilities | 94.00% | 94.00% |  | 94.00%
Percentage Of Lease Liabilities Implicit Rate | 9.70% |  |  |
Impairment reversal |  | $ 2 |  |
US corporate headquarters [Member] |  |  |  |
Disclosure Of Information Leases [Line Items] |  |  |  |
Lease system fund impairment charge reversal |  |  | $ 3 |
US corporate headquarters [Member] | System Fund [member] |  |  |  |
Disclosure Of Information Leases [Line Items] |  |  |  |
Pre tax discount rate |  |  | 9.50% |
EMEAA [Member] |  |  |  |
Disclosure Of Information Leases [Line Items] |  |  |  |
Impairment reversal |  | $ 2 |  |
Right-of-use assets [member] |  |  |  |
Disclosure Of Information Leases [Line Items] |  |  |  |
Description of extended lease term | 20 |  |  |
Right-of-use assets [member] | EMEAA [Member] |  |  |  |
Disclosure Of Information Leases [Line Items] |  |  |  |
Pre tax discount rate |  | 17.60% |  |
Impairment reversal |  | $ 2 |  |
Recoverable amount of asset or cash-generating unit |  | $ 9 |  |
Eight Priority Leases [member] |  |  |  |
Disclosure Of Information Leases [Line Items] |  |  |  |
Number of top leases | Leases | 8 |  |  | 8
Undiscounted rent payable amount | $ 295 |  |  |
Operating Leases Excluding Inter Continental Boston lease [Member] |  |  |  |
Disclosure Of Information Leases [Line Items] |  |  |  |
Weighted average remaining lease term | 8 years | 9 years |  |
InterContinental Boston and the US corporate headquarters [Member] |  |  |  |
Disclosure Of Information Leases [Line Items] |  |  |  |
Lease liabilities | $ 342 | $ 348 |  |
UK Portfolio leases [Member] |  |  |  |
Disclosure Of Information Leases [Line Items] |  |  |  |
Lease Term | 20 years |  |  |
Annual Rent Payment | £ |  |  |  | £ 34
Bottom of range [member] |  |  |  |
Disclosure Of Information Leases [Line Items] |  |  |  |
Lease Term | 1 year |  |  |
Top of range [member] |  |  |  |
Disclosure Of Information Leases [Line Items] |  |  |  |
Lease Term | 99 years |  |  |
Lease Incremental borrowing rates | 11.00% |  |  | 11.00%

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- Definition The weighted average lessee's incremental borrowing rate applied to lease liabilities recognised in the statement of financial position at the date of initial application of IFRS 16. The incremental borrowing rate is the rate of interest that a lessee would have to pay to borrow over a similar term, and with a similar security, the funds necessary to obtain an asset of a similar value to the right-of-use asset in a similar economic environment. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2023-01-01 -Paragraph C12 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2023-en-r&anchor=para_C12_a&doctype=Appendix&subtype=C -URIDate 2023-03-23 + Details
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