XML 585 R139.htm IDEA: XBRL DOCUMENT v3.25.4

Provisions - Additional Information (Details) $ in Millions	Dec. 31, 2025 USD ($)
Employment related obligations
Provisions [Line Items]
Liability for self insurance	$ 6
Owned and leased properties
Provisions [Line Items]
Maximum liabilities last five policy years	131
Incurred but not reported claims (‘IBNR')
Provisions [Line Items]
Liability for self insurance	7
Reported but not settled claims
Provisions [Line Items]
Liability for self insurance	$ 4

X

- Definition

Liability for self insurance.

+ References

No definition available.

+ Details

Name:	ihg_LiabilityForSelfInsurance
Namespace Prefix:	ihg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Maximum liabilities last five policy years self insurance.

+ References

No definition available.

+ Details

Name:	ihg_MaximumLiabilitiesLastFivePolicyYearsSelfInsurance
Namespace Prefix:	ihg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Provisions

+ References

No definition available.

+ Details

Name:	ihg_ProvisionsLineItems
Namespace Prefix:	ihg_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ihg_InsuranceReserveAxis=ihg_EmploymentRelatedObligationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ihg_InsuranceReserveAxis=ihg_OwnedAndLeasedPropertiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_InsuranceContractsByRemainingCoverageAndIncurredClaimsAxis=ifrs-full_LiabilitiesForIncurredClaimsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_InsuranceContractsByRemainingCoverageAndIncurredClaimsAxis=ihg_ReportedButNotSettledClaimsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: