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Dividends | 12 Months Ended
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Dec. 31, 2017
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Dividends | 8. Dividends
|  | 2017 cents per share |  |  | 2016 cents per share |  |  | 2015 cents per share |  |  | 2017 $m |  |  | 2016 $m |  |  | 2015 $m |
Paid during the year: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Final (declared for previous year) |  |  | 64.0 |  |  |  | 57.5 |  |  |  | 52.0 |  |  |  | 127 |  |  |  | 137 |  |  |  | 125 |
Interim |  |  | 33.0 |  |  |  | 30.0 |  |  |  | 27.5 |  |  |  | 62 |  |  |  | 56 |  |  |  | 63 |
Special (note 27) |  |  | 202.5 |  |  |  | 632.9 |  |  |  | — |  |  |  | 404 |  |  |  | 1,500 |  |  |  | — |
|  |  | 299.5 |  |  |  | 720.4 |  |  |  | 79.5 |  |  |  | 593 |  |  |  | 1,693 |  |  |  | 188 |
Proposed (not recognised as a liability at 31 December): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Final |  |  | 71.0 |  |  |  | 64.0 |  |  |  | 57.5 |  |  |  | 135 |  |  |  | 126 |  |  |  | 135 |

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- Definition The disclosure of dividends. Dividends are distributions of profits to holders of equity investments in proportion to their holdings of a particular class of capital. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_10_e&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition Text block. + References No definition available. + Details
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