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System Fund (Tables) | 12 Months Ended
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Dec. 31, 2022
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Summary of System Fund Revenues | System Fund revenues comprise:
|  |  |  |  | 2022 $m |  |  |  |  |  | 2021 $m |  |  |  |  |  | 2020 $m |
Assessment fees and contributions received from hotels and other revenues |  |  |  |  |  |  | 989 |  |  |  |  |  |  |  | 727 |  |  |  |  |  |  |  | 490 |
Loyalty programme revenues, net of the cost of point redemptions |  |  |  |  |  |  | 228 |  |  |  |  |  |  |  | 201 |  |  |  |  |  |  |  | 275 |
|  |  |  |  |  |  | 1,217 |  |  |  |  |  |  |  | 928 |  |  |  |  |  |  |  | 765 |
Summary of System Fund Expenses | System Fund expenses include:
|  |  |  |  | 2022 $m |  |  |  |  |  | 2021 $m |  |  |  |  |  | 2020 $m |
Marketing |  |  |  |  |  |  | 408 |  |  |  |  |  |  |  | 147 |  |  |  |  |  |  |  | 109 |
Staff costs (note 4) |  |  |  |  |  |  | 341 |  |  |  |  |  |  |  | 304 |  |  |  |  |  |  |  | 242 |
Depreciation and amortisation |  |  |  |  |  |  | 86 |  |  |  |  |  |  |  | 94 |  |  |  |  |  |  |  | 62 |
Impairment loss/(reversal) on trade receivables (note 17) |  |  |  |  |  |  | 7 |  |  |  |  |  |  |  | (6 | ) |  |  |  |  |  |  | 24 |
Other net impairment (reversals)/charges |  |  |  |  |  |  | – |  |  |  |  |  |  |  | (3 | ) |  |  |  |  |  |  | 41 |

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