XML 479 R162.htm IDEA: XBRL DOCUMENT
v3.22.4

Cash and cash equivalents - Summary of Restricted Cash and Cash Equivalents (Detail) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Disclosure of Restricted Cash And Cash Equivalents [Line Items] |  |
Restricted cash and cash equivalents | $ 47 | $ 86
Local Countries [Member] |  |
Disclosure of Restricted Cash And Cash Equivalents [Line Items] |  |
Restricted cash and cash equivalents | 24 | 77
UK Portfolio [member] |  |
Disclosure of Restricted Cash And Cash Equivalents [Line Items] |  |
Restricted cash and cash equivalents | 11 | 9
Other Restrictions [Member] |  |
Disclosure of Restricted Cash And Cash Equivalents [Line Items] |  |
Restricted cash and cash equivalents | $ 12 | $ 0

X
- Definition The amount of cash and cash equivalents whose use or withdrawal is restricted. [Refer: Cash and cash equivalents] + 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_RestrictedCashAndCashEquivalents
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Disclosure of restricted cash and cash equivalents. + References No definition available. + Details
Name: | ihg_DisclosureOfRestrictedCashAndCashEquivalentsLineItems
Namespace Prefix: | ihg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=ihg_LocalCountriesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=ihg_UKPortfolioMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ihg_RestrictionAxis=ihg_OtherRestrictionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |