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Revenue - Summary of Changes in Deferred Revenue (Detail) - USD ($) $ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Disclosure of changes in contact liabilities [line items] |  |  |  |  |
Deferred revenue beginning balance | $ 1,506 | $ 1,357 |  |  |
Acquisition of businesses | 2 | 8 |  |  |
Increase in deferred revenue | 623 | 643 |  |  |
Recognised as revenue | (566) | (497) |  |  |
Exchange and other adjustments | (1) | (5) |  |  |
Deferred revenue ending balance | 1,564 | 1,506 |  |  |
Current |  |  | $ 555 | $ 572 | $ 490
Non-current |  |  | 1,009 | 934 | 867
Deferred revenue | 1,506 | 1,357 | 1,564 | 1,506 | 1,357
Loyalty programme [member] |  |  |  |  |
Disclosure of changes in contact liabilities [line items] |  |  |  |  |
Deferred revenue beginning balance | 1,181 | 1,057 |  |  |
Increase in deferred revenue | 533 | 540 |  |  |
Recognised as revenue | (481) | (416) |  |  |
Deferred revenue ending balance | 1,233 | 1,181 |  |  |
Current |  |  | 476 | 491 |
Non-current |  |  | 757 | 690 |
Deferred revenue | 1,233 | 1,181 | 1,233 | 1,181 | 1,057
Other co-brand fees [member] |  |  |  |  |
Disclosure of changes in contact liabilities [line items] |  |  |  |  |
Deferred revenue beginning balance | 77 | 88 |  |  |
Recognised as revenue | (11) | (11) |  |  |
Deferred revenue ending balance | 66 | 77 |  |  |
Current |  |  | 11 | 11 |
Non-current |  |  | 55 | 66 |
Deferred revenue | 66 | 77 | 66 | 77 | 88
Application & re-licensing fees [member] |  |  |  |  |
Disclosure of changes in contact liabilities [line items] |  |  |  |  |
Deferred revenue beginning balance | 175 | 163 |  |  |
Increase in deferred revenue | 26 | 36 |  |  |
Recognised as revenue | (25) | (23) |  |  |
Exchange and other adjustments | (4) | (1) |  |  |
Deferred revenue ending balance | 172 | 175 |  |  |
Current |  |  | 25 | 23 |
Non-current |  |  | 147 | 152 |
Deferred revenue | 172 | 175 | 172 | 175 | 163
Other [member] |  |  |  |  |
Disclosure of changes in contact liabilities [line items] |  |  |  |  |
Deferred revenue beginning balance | 73 | 49 |  |  |
Acquisition of businesses | 2 | 8 |  |  |
Increase in deferred revenue | 64 | 67 |  |  |
Recognised as revenue | (49) | (47) |  |  |
Exchange and other adjustments | 3 | (4) |  |  |
Deferred revenue ending balance | 93 | 73 |  |  |
Current |  |  | 43 | 47 |
Non-current |  |  | 50 | 26 |
Deferred revenue | $ 93 | $ 73 | $ 93 | $ 73 | $ 49

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