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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, 2023 | Dec. 31, 2022
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |
Beginning balance | $ 1,144 | [1] | $ 1,195 |
Additions | 53 |  | 46 |
Ending balance | 1,099 |  | 1,144 | [1]
Cost [member] |  |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |
Beginning balance | 1,925 |  | 1,997 |
Additions | 53 |  | 46 |
Fully amortised assets written off | (55) |  | (94) |
Disposals | (1) |  | (8) |
Exchange and other adjustments | 4 |  | (16) |
Ending balance | 1,926 |  | 1,925 |
Amortisation and impairment [member] |  |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |
Beginning balance | (781) |  | (802) |
Fully amortised assets written off | 55 |  | 94 |
Disposals | 1 |  | 8 |
Exchange and other adjustments | (4) |  | 9 |
Provided | (21) |  | (23) |
System Fund expense | (77) |  | (79) |
Impairment reversal |  |  | 12 |
Ending balance | (827) |  | (781) |
Goodwill [member] |  |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |
Beginning balance | 335 |  | 341 |
Ending balance | 336 |  | 335 |
Goodwill [member] | Cost [member] |  |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |
Beginning balance | 513 |  | 532 |
Disposals |  |  | (8) |
Exchange and other adjustments | 3 |  | (11) |
Ending balance | 516 |  | 513 |
Goodwill [member] | Amortisation and impairment [member] |  |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |
Beginning balance | (178) |  | (191) |
Disposals |  |  | 8 |
Exchange and other adjustments | (2) |  | 5 |
Ending balance | (180) |  | (178) |
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 | 339 |  | 393 |
Ending balance | 297 |  | 339 |
Software [member] | Cost [member] |  |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |
Beginning balance | 825 |  | 878 |
Additions | 52 |  | 46 |
Fully amortised assets written off | (52) |  | (94) |
Disposals | (1) |  |  |
Exchange and other adjustments | 1 |  | (5) |
Ending balance | 825 |  | 825 |
Software [member] | Amortisation and impairment [member] |  |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |
Beginning balance | (486) |  | (485) |
Fully amortised assets written off | 52 |  | 94 |
Disposals | 1 |  |  |
Exchange and other adjustments | (1) |  | 3 |
Provided | (18) |  | (20) |
System Fund expense | (76) |  | (78) |
Ending balance | (528) |  | (486) |
Management contracts [member] |  |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |
Beginning balance | 21 |  | 9 |
Ending balance | 19 |  | 21 |
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 | (101) |  | (113) |
Exchange and other adjustments | (1) |  |  |
Provided | (1) |  |  |
Impairment reversal |  |  | 12 |
Ending balance | (103) |  | (101) |
Other intangibles [member] |  |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |
Beginning balance | 10 |  | 13 |
Ending balance | 8 |  | 10 |
Other intangibles [member] | Cost [member] |  |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |
Beginning balance | 26 |  | 26 |
Additions | 1 |  |  |
Fully amortised assets written off | (3) |  |  |
Ending balance | 24 |  | 26 |
Other intangibles [member] | Amortisation and impairment [member] |  |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |
Beginning balance | (16) |  | (13) |
Fully amortised assets written off | 3 |  |  |
Exchange and other adjustments |  |  | 1 |
Provided | (2) |  | (3) |
System Fund expense | (1) |  | (1) |
Ending balance | $ (16) |  | $ (16) |
[1] | Re-presented for the adoption of IFRS 17 ‘Insurance Contracts’ (see New accounting standards and other presentational changes).

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