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v3.20.4

Contingencies and guarantees - Additional Information (Detail) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 USD ($) Lawsuits | Dec. 31, 2016 | Dec. 31, 2019 USD ($)
Disclosure of contingent liabilities [line items] |  |  |
Number of lawsuits filed againsts group | Lawsuits | 4 |  |
Outstanding letters of credit | $ 43 |  | $ 33
Guarantees of loans made to equity accounted investments | $ 56 |  | $ 55
Americas security incident [member] |  |  |
Disclosure of contingent liabilities [line items] |  |  |
Number of managed properties affected by security incident |  | 12 |

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of guarantees of loans made to equity accounted investments. + References No definition available. + Details
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Namespace Prefix: | ihg_
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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- Definition Number of lawsuits filed. + References No definition available. + Details
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- Definition Number of managed properties affected by security incident. + References No definition available. + Details
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |