XML 468 R196.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Related party disclosures - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of transactions between related parties [Line Items] |  |  |
Financial guarantee on bank loan |  |  | $ 12
Outstanding commitments made by entity, related party transactions | $ 6 | $ 10 |
Associates [member] | Investment in preferred shares of associates [member] |  |  |
Disclosure of transactions between related parties [Line Items] |  |  |
Other cash payments to acquire equity or debt instruments of other entities, classified as investing activities | 12 |  |
Barclay associate [member] |  |  |
Disclosure of transactions between related parties [Line Items] |  |  |
Loan to and from material associate investment (offset in accordance with IAS32) | $ 237 | $ 237 |
Average interest rate on interest payable and receivable relating to loan to and from material associate investment | 4.00% | 2.70% |

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash outflow to acquire equity or debt instruments of other entities (other than payments for those instruments considered to be cash equivalents or those held for dealing or trading purposes), classified as investing activities. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2023-01-01 -Paragraph 16 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_16_c&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_OtherCashPaymentsToAcquireEquityOrDebtInstrumentsOfOtherEntitiesClassifiedAsInvestingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of outstanding commitments made by the entity in related party transactions. [Refer: Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2023-01-01 -Paragraph 18 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&anchor=para_18_b&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_OutstandingCommitmentsMadeByEntityRelatedPartyTransactions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Financial guarantee on bank loan. + References No definition available. + Details
Name: | ihg_FinancialGuaranteeOnBankLoan
Namespace Prefix: | ihg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Interest payable (receivable) equivalent average rate. + References No definition available. + Details
Name: | ihg_InterestPayableReceivableEquivalentAverageRate
Namespace Prefix: | ihg_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loans both payable and receivable offset net. + References No definition available. + Details
Name: | ihg_LoansBothPayableAndReceivableOffsetNet
Namespace Prefix: | ihg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Details
Name: | ihg_RelatedPartyTransactionAxis=ihg_InvestmentInPreferredSharesOfAssociatesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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