XML 371 R97.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Exceptional Items - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure Of Exceptional Items [line items] |  |  |  |
Adjustments for impairment losses (reversal of impairment losses) recognised in profit or loss, financial assets |  | $ 6 |  |
Current tax benefit | [1] | 316 | $ 261 | $ 183
Contract assets (Charge) |  |  |  | (5)
Reversal of impairment of contract assets |  | $ 3 |  | 3
Associates [member] |  |  |  |
Disclosure Of Exceptional Items [line items] |  |  |  |
Additional Expenses Allocated |  |  |  | 60
Current tax benefit |  |  |  | 15
Liability Recognised Reflecting Unavoidable Obligation Amount |  |  |  | $ 18
[1] | Includes $2m (2023: $nil, 2022: $nil) in respect of taxes arising under the Pillar Two framework.

X
- Definition Adjustments for impairment losses (reversal of impairment losses) on financial assets recognised in profit or loss to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2024-01-01 -Paragraph 20 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_20&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_AdjustmentsForImpairmentLossesReversalOfImpairmentLossesRecognisedInProfitOrLossFinancialAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of income taxes payable (recoverable) in respect of the taxable profit (tax loss) for a period. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 12 -IssueDate 2024-01-01 -Paragraph 80 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2024-en-r&anchor=para_80_a&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_CurrentTaxExpenseIncome
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of impairment loss on receivables or contract assets arising from contracts with customers. [Refer: Contract assets; Impairment loss; Receivables from contracts with customers] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2024-01-01 -Paragraph 113 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2024-en-r&anchor=para_113_b&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_ImpairmentLossOnReceivablesOrContractAssetsArisingFromContractsWithCustomers
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Additional expenses allocated. + References No definition available. + Details
Name: | ihg_AdditionalExpensesAllocated
Namespace Prefix: | ihg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Disclosure Of Exceptional Items [line items] + References No definition available. + Details
Name: | ihg_DisclosureOfExceptionalItemsLineItems
Namespace Prefix: | ihg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Liability recognised reflecting unavoidable obligation amount. + References No definition available. + Details
Name: | ihg_LiabilityRecognisedReflectingUnavoidableObligationAmount
Namespace Prefix: | ihg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Reversal of impairment contract assets. + References No definition available. + Details
Name: | ihg_ReversalOfImpairmentContractAssets
Namespace Prefix: | ihg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_SignificantInvestmentsInAssociatesAxis=ifrs-full_AssociatesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |