XML 586 R140.htm IDEA: XBRL DOCUMENT v3.25.4

Insurance - Summary of Reconciliation of Changes In Insurance Contracts (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Changes in insurance contracts for reconciliation by remaining coverage and incurred claims [abstract]
At 1 January	$ 39	$ 37
Insurance expenses	32	28
Claims and other amounts paid	(24)	(23)
Impact of discounting and other changes	(2)	(3)
At 31 December	45	39
Analysed as:
Current	16	14
Non-current	29	25
Insurance contracts that are liabilities	45	39
Incurred but not reported claims
Changes in insurance contracts for reconciliation by remaining coverage and incurred claims [abstract]
At 1 January	18
At 31 December	24	18
Analysed as:
Insurance contracts that are liabilities	24	18
Reported but not settled claims
Changes in insurance contracts for reconciliation by remaining coverage and incurred claims [abstract]
At 1 January	21
At 31 December	21	21
Analysed as:
Insurance contracts that are liabilities	$ 21	$ 21

X

- References

No definition available.

+ Details

Name:	ifrs-full_ChangesInInsuranceContractsForReconciliationByRemainingCoverageAndIncurredClaimsAbstract
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The increase (decrease) in insurance contracts liability (asset) resulting from additional items that may be necessary to understand the change in the net carrying amount of the insurance contracts. [Refer: Insurance contracts liability (asset)]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 105
-Subparagraph d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_105_d&doctype=Standard
-URIDate 2025-03-27

+ Details

Name:	ifrs-full_IncreaseDecreaseThroughAdditionalItemsNecessaryToUnderstandChangeInsuranceContractsLiabilityAsset
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The increase (decrease) in insurance contracts liability (asset) resulting from incurred claims paid and other insurance service expenses paid for insurance contracts issued, excluding insurance acquisition cash flows. [Refer: Insurance contracts liability (asset); Increase (decrease) through insurance acquisition cash flows, insurance contracts liability (asset)]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 105
-Subparagraph a
-Clause iii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_105_a_iii&doctype=Standard
-URIDate 2025-03-27

+ Details

Name:	ifrs-full_IncreaseDecreaseThroughIncurredClaimsPaidAndOtherInsuranceServiceExpensesPaidForInsuranceContractsIssuedExcludingInsuranceAcquisitionCashFlowsInsuranceContractsLiabilityAsset
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The increase (decrease) in insurance contracts liability (asset) resulting from insurance service expenses. [Refer: Insurance contracts liability (asset)]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 103
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_103_b&doctype=Standard
-URIDate 2025-03-27

+ Details

Name:	ifrs-full_IncreaseDecreaseThroughInsuranceServiceExpensesInsuranceContractsLiabilityAsset
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The amount of insurance contracts that are liabilities. [Refer: Liabilities; Insurance contracts [domain]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 99
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_99_b&doctype=Standard
-URIDate 2025-03-27

+ Details

Name:	ifrs-full_InsuranceContractsThatAreLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Insurance contracts that are liabilities

+ References

No definition available.

+ Details

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

X

- Definition

Insurance contracts that are liabilities current.

+ References

No definition available.

+ Details

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

X

- Definition

Insurance contracts that are liabilities non-current.

+ References

No definition available.

+ Details

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

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: