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Segmental Information - Summary of Information by Reportable Segment - Other Segmental Information (Parenthetical) (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure of reportable segments [line items] |  |  |
Depreciation and amortisation | $ 68 | $ 98 | $ 110
Cost of sales in owned lease and managed lease hotels [member] |  |  |
Disclosure of reportable segments [line items] |  |  |
Depreciation and amortisation | 15 | 20 | 29
Cost of sales in other assets [member] |  |  |
Disclosure of reportable segments [line items] |  |  |
Depreciation and amortisation | 53 | 78 | 81
System Fund [member] |  |  |
Disclosure of reportable segments [line items] |  |  |
Depreciation and amortisation | $ 86 | $ 94 | $ 62

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- Details
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