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Auditor's remuneration (Tables) | 12 Months Ended
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Dec. 31, 2022
Text Block [Abstract] |
Summary of Auditor's Remuneration Paid |
|  |  |  |  | 2022 $m |  |  |  |  |  | 2021 $m |  |  |  |  |  | 2020 $m |
Audit of the Financial Statements |  |  |  |  |  |  | 6 |  |  |  |  |  |  |  | 4 |  |  |  |  |  |  |  | 4 |
Audit of subsidiaries |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  | 3 |  |  |  |  |  |  |  | 3 |
Other assurance services |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  | 1 |
|  |  |  |  |  |  | 9 |  |  |  |  |  |  |  | 8 |  |  |  |  |  |  |  | 8 |
Under SEC regulations analysed as: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Audit |  |  |  |  |  |  | 8 |  |  |  |  |  |  |  | 7 |  |  |  |  |  |  |  | 7 |
Other audit-related |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  | 1 |
|  |  |  |  |  |  | 9 |  |  |  |  |  |  |  | 8 |  |  |  |  |  |  |  | 8 |

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- Definition The disclosure of auditors' remuneration by component. + References No definition available. + Details
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- Definition Text block [abstract] + References No definition available. + Details
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Namespace Prefix: | ihg_
Data Type: | xbrli:stringItemType
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Period Type: | duration