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Revenue - Summary of Changes in Deferred Revenue (Detail) - USD ($) $ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Disclosure of changes in contact liabilities [line items] |  |  |  |  |
Deferred revenue beginning balance | $ 1,357 | $ 1,314 |  |  |
Acquisition of businesses | 8 |  |  |  |
Increase in deferred revenue | 643 | 553 |  |  |
Recognised as revenue | (497) | (510) |  |  |
Exchange and other adjustments | (5) |  |  |  |
Deferred revenue ending balance | 1,506 | 1,357 |  |  |
Current |  |  | $ 572 | $ 490 | $ 462
Non-current |  |  | 934 | 867 | 852
Deferred revenue | 1,357 | 1,314 | 1,506 | 1,357 | 1,314
Loyalty programme [member] |  |  |  |  |
Disclosure of changes in contact liabilities [line items] |  |  |  |  |
Deferred revenue beginning balance | 1,057 | 1,033 |  |  |
Acquisition of businesses | 0 |  |  |  |
Increase in deferred revenue | 540 | 480 |  |  |
Recognised as revenue | (416) | (456) |  |  |
Exchange and other adjustments | 0 |  |  |  |
Deferred revenue ending balance | 1,181 | 1,057 |  |  |
Current |  |  | 491 | 422 |
Non-current |  |  | 690 | 635 |
Deferred revenue | 1,057 | 1,033 | 1,181 | 1,057 | 1,033
Other co-brand fees [member] |  |  |  |  |
Disclosure of changes in contact liabilities [line items] |  |  |  |  |
Deferred revenue beginning balance | 88 | 100 |  |  |
Acquisition of businesses | 0 |  |  |  |
Increase in deferred revenue | 0 |  |  |  |
Recognised as revenue | (11) | (12) |  |  |
Exchange and other adjustments | 0 |  |  |  |
Deferred revenue ending balance | 77 | 88 |  |  |
Current |  |  | 11 | 11 |
Non-current |  |  | 66 | 77 |
Deferred revenue | 88 | 100 | 77 | 88 | 100
Application & re-licensing fees [member] |  |  |  |  |
Disclosure of changes in contact liabilities [line items] |  |  |  |  |
Deferred revenue beginning balance | 163 | 148 |  |  |
Acquisition of businesses | 0 |  |  |  |
Increase in deferred revenue | 36 | 39 |  |  |
Recognised as revenue | (23) | (24) |  |  |
Exchange and other adjustments | (1) |  |  |  |
Deferred revenue ending balance | 175 | 163 |  |  |
Current |  |  | 23 | 24 |
Non-current |  |  | 152 | 139 |
Deferred revenue | 163 | 148 | 175 | 163 | 148
Other [member] |  |  |  |  |
Disclosure of changes in contact liabilities [line items] |  |  |  |  |
Deferred revenue beginning balance | 49 | 33 |  |  |
Acquisition of businesses | 8 |  |  |  |
Increase in deferred revenue | 67 | 34 |  |  |
Recognised as revenue | (47) | (18) |  |  |
Exchange and other adjustments | (4) |  |  |  |
Deferred revenue ending balance | 73 | 49 |  |  |
Current |  |  | 47 | 33 |
Non-current |  |  | 26 | 16 |
Deferred revenue | $ 49 | $ 33 | $ 73 | $ 49 | $ 33

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