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Goodwill and Other Intangible Assets - Summary of Goodwill and Other Intangible Assets (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | $ 1,293 | $ 1,376
Additions | 33 | 52
Exchange and other adjustments | (5) | 7
Ending balance | 1,195 | 1,293
Cost [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 2,009 | 1,977
Additions | 33 | 52
Disposals | (40) | (29)
Exchange and other adjustments | (5) | 9
Ending balance | 1,997 | 2,009
Amortisation and impairment [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | (716) | (601)
Provided | (32) | (38)
System Fund expense | (83) | (53)
Impairment charge |  | (48)
System Fund Impairment Charge Intangible Assets And Goodwill |  | (4)
Disposals | 28 | 29
Exchange and other adjustments | 1 | (1)
Ending balance | (802) | (716)
Goodwill [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 346 | 339
Ending balance | 341 | 346
Goodwill [member] | Cost [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 537 | 529
Exchange and other adjustments | (5) | 8
Ending balance | 532 | 537
Goodwill [member] | Amortisation and impairment [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | (191) | (190)
Exchange and other adjustments | 0 | (1)
Ending balance | (191) | (191)
Brands [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 439 | 439
Ending balance | 439 | 439
Brands [member] | Cost [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 439 | 439
Ending balance | 439 | 439
Software [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 484 | 524
Ending balance | 393 | 484
Software [member] | Cost [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 886 | 864
Additions | 32 | 50
Disposals | (40) | (29)
Exchange and other adjustments |  | 1
Ending balance | 878 | 886
Software [member] | Amortisation and impairment [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | (402) | (340)
Provided | (30) | (36)
System Fund expense | (82) | (51)
System Fund Impairment Charge Intangible Assets And Goodwill |  | (4)
Disposals | 28 | 29
Exchange and other adjustments | 1 | 0
Ending balance | (485) | (402)
Management contracts [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 10 | 59
Ending balance | 9 | 10
Management contracts [member] | Cost [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 122 | 122
Ending balance | 122 | 122
Management contracts [member] | Amortisation and impairment [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | (112) | (63)
Provided | (1) | (1)
Impairment charge |  | (48)
Ending balance | (113) | (112)
Other intangibles [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 14 | 15
Ending balance | 13 | 14
Other intangibles [member] | Cost [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 25 | 23
Additions | 1 | 2
Ending balance | 26 | 25
Other intangibles [member] | Amortisation and impairment [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | (11) | (8)
Provided | (1) | (1)
System Fund expense | (1) | (2)
Ending balance | $ (13) | $ (11)

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- Definition The amount of additions to intangible assets other than goodwill, other than those acquired through business combinations. [Refer: Business combinations [member]; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2021-01-01 -Paragraph 118 -Subparagraph e -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118_e_i&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of amortisation of intangible assets other than goodwill. [Refer: Depreciation and amortisation expense; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2021-01-01 -Paragraph 118 -Subparagraph e -Clause vi -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118_e_vi&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The decrease in intangible assets and goodwill resulting from disposals. [Refer: Intangible assets and goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 38 -IssueDate 2021-01-01 -Paragraph 118 -Subparagraph e -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118_e_ii&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The increase (decrease) in intangible assets and goodwill resulting from the net exchange differences arising when the financial statements are translated from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Intangible assets and goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 38 -IssueDate 2021-01-01 -Paragraph 118 -Subparagraph e -Clause vii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118_e_vii&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of intangible assets and goodwill held by the entity. [Refer: Goodwill; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_55&doctype=Standard -URIDate 2021-03-24 + Details
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