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Accounting policies (Tables) | 12 Months Ended
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Dec. 31, 2017
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Summary of Estimated Impact of IFRS 15 | The estimated impacts of adjustments 1. to 5. on the 2017 results are as follows:
Impact |  | Group revenue $m |  |  | Group operating profit $m |  |  | Group net liabilities $m |
1. Employee cost reimbursements |  |  | 1,103 |  |  |  | — |  |  |  | — |
2. Initial franchise and re-licensing fees |  |  | (14 | ) |  |  | (14 | ) |  |  | (111 | )
3. Contract acquisition costs |  |  | — |  |  |  | 5 |  |  |  | 43 |
4. Key money |  |  | (17 | ) |  |  | — |  |  |  | — |
5. Derecognition of management contracts |  |  | — |  |  |  | 8 |  |  |  | (192 | )
Other |  |  | 2 |  |  |  | — |  |  |  | 1 |
|  |  | 1,074 |  |  |  | (1 | ) |  |  | (259 | )

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- Definition The entire disclosure for changes in accounting policies, accounting estimates and errors. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 8 -IssueDate 2017-01-01 -Section Accounting policies -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=8&date=2017-03-01&anchor=sect_Accountingpolicies&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition Text block. + References No definition available. + Details
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