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System Fund and reimbursables - Summary of System Fund Expenses (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
System Fund And Reimbursables [Line Items] |  |  |
Depreciation and amortisation | $ 80 | $ 83 | $ 86
Impairment loss on trade receivables | 10 | (1) | 5
System Fund [member] |  |  |
System Fund And Reimbursables [Line Items] |  |  |
Marketing | 520 | 498 | 408
Depreciation and amortisation | 80 | 83 | 86
Impairment loss on trade receivables | 9 |  | 7
Other net impairment charges | 3 |  |
Costs are borne by the System Fund [member] | System Fund [member] |  |  |
System Fund And Reimbursables [Line Items] |  |  |
Staff costs | $ 436 | $ 399 | $ 341

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- Definition The expense of all forms of consideration given by an entity in exchange for a service rendered by employees or for the termination of employment. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 102 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_102&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 99 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_99&doctype=Standard -URIDate 2024-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 104 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_104&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of expense relating to the marketing and selling of goods or services. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 85 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_85&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition System fund and reimbursables depreciation and amortisation. + References No definition available. + Details
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- Definition System fund impairment loss recognised in profit or loss intangible assets and goodwill. + References No definition available. + Details
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- Details
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- Details
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