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Leases - Additional Information (Detail) £ in Millions, $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 USD ($) Leases | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2024 GBP (£) Leases
Disclosure Of Information Leases [Line Items] |  |  |  |
Weighted average remaining lease term | 56 years | 56 years |  |
Percentage of right of use assets value | 95.00% | 94.00% |  | 95.00%
Lease liabilities | $ 414 | $ 426 |  |
Undiscounted rent payable amount | 3,366 | 3,403 |  |
Remaining undiscounted cash flows | $ 3,191 | $ 3,212 |  |
Percentage of undiscounted cash flows relating to lease liabilities | 95.00% | 94.00% |  | 95.00%
Percentage Of Lease Liabilities Implicit Rate | 9.70% |  |  |
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] |  |  |  |
Impairment reversal |  |  | $ 2 |
Eight Priority Leases [member] |  |  |  |
Disclosure Of Information Leases [Line Items] |  |  |  |
Number of top leases | Leases | 8 |  |  | 8
Undiscounted rent payable amount | $ 301 |  |  |
Operating Leases Excluding Inter Continental Boston lease [Member] |  |  |  |
Disclosure Of Information Leases [Line Items] |  |  |  |
Weighted average remaining lease term | 7 years | 8 years |  |
InterContinental Boston and the US corporate headquarters [Member] |  |  |  |
Disclosure Of Information Leases [Line Items] |  |  |  |
Lease liabilities | $ 335 | $ 342 |  |
UK Portfolio leases [Member] |  |  |  |
Disclosure Of Information Leases [Line Items] |  |  |  |
Annual Rent Payment | £ |  |  |  | £ 34
Variable lease payment termination year | 2043 |  |  |
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 | 10.00% |  |  | 10.00%

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- Definition The amount of contractual undiscounted cash flows in relation to lease liabilities before deducting finance charges. [Refer: Lease liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2024-01-01 -Paragraph 58 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_58&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph B11D -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_B11D_a&doctype=Appendix&subtype=B -URIDate 2024-03-27 + Details
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- Definition The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2024-01-01 -Paragraph 47 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_47_b&doctype=Standard -URIDate 2024-03-27 + Details
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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 2024-01-01 -Paragraph C12 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_C12_a&doctype=Appendix&subtype=C -URIDate 2024-03-27 + Details
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- Definition Annual Rent Payment. + References No definition available. + Details
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- Definition Description of extended lease term + References No definition available. + Details
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- Definition Disclosure Of Information Leases + References No definition available. + Details
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- Definition Impairment charge reversal right of use assets explanatory. + References No definition available. + Details
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- Definition Lease term. + References No definition available. + Details
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- Definition Number of high ranked priority leases. + References No definition available. + Details
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- Definition Percentage of lease liabilities implicit rate. + References No definition available. + Details
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- Definition Percentage of right of use assets for high ranked priority assets. + References No definition available. + Details
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- Definition Percentage of undiscounted cash flows relating to lease liabilities. + References No definition available. + Details
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- Definition Undiscounted operating lease payments outstanding. + References No definition available. + Details
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- Definition Weighted average remaining lease term. + References No definition available. + Details
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- Details
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- Details
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