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Provisions - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Statement [Line Items] |  |  |
Insurance revenue | $ 4 | $ 3 | $ 3
Administrative expenses | 364 | 300 | $ 267
Insurance contracts that are liabilities | 50 | 39 |
Americas [Member] |  |  |
Statement [Line Items] |  |  |
Litigation liabilities | 4 |  |
Administrative expenses | 1 |  |
Owned and leased properties [Member] |  |  |
Statement [Line Items] |  |  |
Maximum liabilities last five policy years | 36 |  |
Managed Hotels [Member] |  |  |
Statement [Line Items] |  |  |
Maximum liabilities last five policy years | 42 |  |
Insurance contracts that are liabilities | 32 | $ 25 |
International General Liability Principally For Managed Hotels [Member] |  |  |
Statement [Line Items] |  |  |
Insurance contracts that are liabilities | $ 19 |  |

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- Definition The amount of expenses that the entity classifies as being administrative. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 26 -IssueDate 2022-03-24 -Paragraph 35 -Subparagraph b -Clause vi -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=26&code=ifrs-tx-2022-en-r&anchor=para_35_b_vi&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 103 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_103&doctype=Standard -URIDate 2022-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 99 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_99&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of income arising from insurance contracts. [Refer: Types of insurance contracts [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2023-01-01 -Name IFRS -Number 4 -IssueDate 2022-03-24 -Paragraph 37 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2022-en-b&anchor=para_37_b&doctype=Standard&book=b -URIDate 2022-03-24 + Details
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- Definition The amount of insurance contracts that are liabilities. [Refer: Liabilities; Insurance contracts [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2023-01-01 -Name IFRS -Number 17 -IssueDate 2022-03-24 -Paragraph 99 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2022-en-r&anchor=para_99_b&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition Litigation liabilities. + References No definition available. + Details
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- Definition Maximum liabilities last five policy years. + References No definition available. + Details
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- Details
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- Details
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- Details
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Period Type: |

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- Details
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