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Revenue - Summary of Group Revenue Disaggregated By Type of Revenue Stream and By Reportable Segment (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Franchise and base management fees | $ 1,147 | $ 894 | $ 606
Incentive management fees | 103 | 62 | 35
Central revenue | 199 | 197 | 182
Revenue from fee business | 1,449 | 1,153 | 823
Revenue from owned, leased and managed lease hotels | 394 | 237 | 169
System Fund revenues (note 32) | 1,217 | 928 | 765
Reimbursement of costs | 832 | 589 | 637
Total revenue | 3,892 | 2,907 | 2,394
Reportable segments [member] |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Total revenue | 1,843 | 1,390 | 992
Americas [member] |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Franchise and base management fees | 861 | 683 | 452
Incentive management fees | 18 | 8 | 5
Revenue from fee business | 879 | 691 | 457
Revenue from owned, leased and managed lease hotels | 126 | 83 | 55
Americas [member] | Reportable segments [member] |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Total revenue | 1,005 | 774 | 512
EMEAA [member] |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Franchise and base management fees | 215 | 120 | 93
Incentive management fees | 69 | 29 | 14
Revenue from fee business | 284 | 149 | 107
Revenue from owned, leased and managed lease hotels | 268 | 154 | 114
EMEAA [member] | Reportable segments [member] |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Total revenue | 552 | 303 | 221
Greater China [member] |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Franchise and base management fees | 71 | 91 | 61
Incentive management fees | 16 | 25 | 16
Revenue from fee business | 87 | 116 | 77
Greater China [member] | Reportable segments [member] |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Total revenue | 87 | 116 | 77
Central [member] |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Franchise and base management fees | 0 | 0 |
Incentive management fees | 0 | 0 |
Central revenue | 199 | 197 | 182
Revenue from fee business | 199 | 197 | 182
Central [member] | Reportable segments [member] |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Total revenue | $ 199 | $ 197 | $ 182

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- Definition The amount of income arising from franchise fees. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_112_c&doctype=Standard -URIDate 2022-03-24 + Details
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