XML 503 R186.htm IDEA: XBRL DOCUMENT
v3.22.4

Financial risk management and derivative financial instruments - Disclosure of Short-term Deposits by Counterparty Credit Rating (Detail) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Disclosure of credit risk exposure [line items] |  |
Short-term deposits | $ 421 | $ 301
Money market funds | 360 | 1,025
Repurchase agreement collateral | 30 | 0
AAA credit rating [member] |  |
Disclosure of credit risk exposure [line items] |  |
Short-term deposits | 0 | 0
Money market funds | 360 | 1,025
Repurchase agreement collateral | 22 |
AA plus credit rating [member] |  |
Disclosure of credit risk exposure [line items] |  |
Short-term deposits | 0 | 0
Money market funds | 0 | 0
Repurchase agreement collateral | 2 |
AA credit rating [member] |  |
Disclosure of credit risk exposure [line items] |  |
Short-term deposits | 0 | 0
Money market funds | 0 | 0
Repurchase agreement collateral | 6 |
AA minus Credit Rating [member] |  |
Disclosure of credit risk exposure [line items] |  |
Short-term deposits | 66 | 87
Money market funds | 0 | 0
Repurchase agreement collateral | 0 |
A plus credit rating [member] |  |
Disclosure of credit risk exposure [line items] |  |
Short-term deposits | 127 | 45
Money market funds | 0 | 0
Repurchase agreement collateral | 0 |
A credit rating [member] |  |
Disclosure of credit risk exposure [line items] |  |
Short-term deposits | 141 | 169
Money market funds | 0 | 0
Repurchase agreement collateral | 0 |
A minus credit rating [member] |  |
Disclosure of credit risk exposure [line items] |  |
Short-term deposits | 50 | 0
Money market funds | 0 | 0
Repurchase agreement collateral | 0 |
BBB plus and below [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Short-term deposits | 37 | 0
Money market funds | 0 | $ 0
Repurchase agreement collateral | $ 0 |

X
- Definition The amount of short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_45&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_CashEquivalents
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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_DisclosureOfCreditRiskExposureLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of instruments purchased for resale in reverse repurchase agreements and cash collateral on securities borrowed. [Refer: Repurchase agreements and cash collateral on securities lent] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_55&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_ReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition A classification of cash equivalents representing short-term investments. [Refer: Cash equivalents] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_45&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_ShorttermInvestmentsClassifiedAsCashEquivalents
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | ifrs-full_ExternalCreditGradesAxis=ihg_AAACreditRatingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ExternalCreditGradesAxis=ihg_AAPlusCreditRatingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ExternalCreditGradesAxis=ihg_AACreditRatingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ExternalCreditGradesAxis=ihg_AaMinusCreditRatingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ExternalCreditGradesAxis=ihg_APlusCreditRatingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ExternalCreditGradesAxis=ihg_ACreditRatingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ExternalCreditGradesAxis=ihg_AMinusCreditRatingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ExternalCreditGradesAxis=ihg_BbbPlusAndBelowMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |