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Finance costs (Tables) | 12 Months Ended
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Dec. 31, 2018
Text block [abstract] |
Summary of Financial Income and Expenses |
|  | 2018 $m |  |  | 2017 Restated $m |  |  | 2016 Restated $m |
Financial income |  |  |  |  |  |  |  |  |  |  |  |
Interest income on deposits |  |  | 2 |  |  |  | 1 |  |  |  | 3 |
Interest income on loans and receivables |  |  | 3 |  |  |  | 3 |  |  |  | 3 |
|  |  | 5 |  |  |  | 4 |  |  |  | 6 |
Financial expenses |  |  |  |  |  |  |  |  |  |  |  |
Interest expense on borrowings |  |  | 66 |  |  |  | 62 |  |  |  | 71 |
Finance charge payable under finance leases |  |  | 20 |  |  |  | 20 |  |  |  | 20 |
Capitalised interest |  |  | (5 | ) |  |  | (6 | ) |  |  | (5 | )
Change in fair value of deferred and contingent purchase consideration |  |  | 5 |  |  |  | — |  |  |  | — |
|  |  | 86 |  |  |  | 76 |  |  |  | 86 |

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- Definition The disclosure of finance income (cost). [Refer: Finance income (cost)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_10_e&doctype=Standard -URIDate 2018-03-16 + Details
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