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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, 2018 | Dec. 31, 2017
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | $ 967 | $ 858
Ending balance | 1,143 | 967
Cost [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 1,399 | 1,227
Acquisition of businesses (note 11) | 147 |
Additions | 112 | 172
Capitalised interest | 5 | 6
Disposals | (72) | (14)
Exchange and other adjustments | (10) | 8
Ending balance | 1,581 | 1,399
Amortisation and impairment [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | (432) | (369)
Provided | (40) | (43)
System Fund expense | (37) | (30)
Disposals | 67 | 14
Exchange and other adjustments | 4 | (4)
Ending balance | (438) | (432)
Goodwill [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 237 | 232
Ending balance | 313 | 237
Goodwill [member] | Cost [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 377 | 370
Acquisition of businesses (note 11) | 83 |
Additions | 0 |
Capitalised interest | 0 |
Disposals | 0 |
Exchange and other adjustments | (5) | 7
Ending balance | 455 | 377
Goodwill [member] | Amortisation and impairment [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | (140) | (138)
Provided | 0 |
System Fund expense | 0 |
Disposals | 0 |
Exchange and other adjustments | (2) | (2)
Ending balance | (142) | (140)
Brands [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 193 | 193
Ending balance | 250 | 193
Brands [member] | Cost [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 193 | 193
Acquisition of businesses (note 11) | 58 |
Additions | 0 |
Capitalised interest | 0 |
Disposals | 0 |
Exchange and other adjustments | (1) |
Ending balance | 250 | 193
Brands [member] | Amortisation and impairment [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Provided | 0 |
System Fund expense | 0 |
Disposals | 0 |
Exchange and other adjustments | 0 |
Ending balance | 0 |
Software [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 464 | 360
Ending balance | 500 | 464
Software [member] | Cost [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 745 | 583
Acquisition of businesses (note 11) | 0 |
Additions | 107 | 168
Capitalised interest | 5 | 6
Disposals | (72) | (14)
Exchange and other adjustments | (4) | 2
Ending balance | 781 | 745
Software [member] | Amortisation and impairment [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | (281) | (223)
Provided | (36) | (40)
System Fund expense | (37) | (30)
Disposals | 67 | 14
Exchange and other adjustments | 6 | (2)
Ending balance | (281) | (281)
Management contracts [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 64 | 66
Ending balance | 67 | 64
Management contracts [member] | Cost [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 71 | 71
Acquisition of businesses (note 11) | 6 |
Additions | 0 |
Capitalised interest | 0 |
Disposals | 0 |
Exchange and other adjustments | 0 |
Ending balance | 77 | 71
Management contracts [member] | Amortisation and impairment [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | (7) | (5)
Provided | (3) | (2)
System Fund expense | 0 |
Disposals | 0 |
Exchange and other adjustments | 0 |
Ending balance | (10) | (7)
Other intangibles [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 9 | 7
Ending balance | 13 | 9
Other intangibles [member] | Cost [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 13 | 10
Acquisition of businesses (note 11) | 0 |
Additions | 5 | 4
Capitalised interest | 0 |
Disposals | 0 |
Exchange and other adjustments | 0 | (1)
Ending balance | 18 | 13
Other intangibles [member] | Amortisation and impairment [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | (4) | (3)
Provided | (1) | (1)
System Fund expense | 0 |
Disposals | 0 |
Exchange and other adjustments | 0 |
Ending balance | $ (5) | $ (4)

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- Definition The increase in intangible assets and goodwill resulting from acquisitions through business combinations. [Refer: Business combinations [member]; Intangible assets and goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 38 -IssueDate 2018-01-01 -Paragraph 118 -Subparagraph e -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=38&date=2018-03-01&anchor=para_118_e_i&doctype=Standard -URIDate 2018-03-16 + 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 2018-01-01 -Paragraph 118 -Subparagraph e -Clause ii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=38&date=2018-03-01&anchor=para_118_e_ii&doctype=Standard -URIDate 2018-03-16 + 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 2018-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard -URIDate 2018-03-16 + Details
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