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Provisions (Tables) | 12 Months Ended
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Dec. 31, 2017
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Summary of Provisions |
|  | Security Incidents $m |  |  | Litigation $m |  |  | Total $m |
At 1 January 2016 |  |  | — |  |  |  | 15 |  |  |  | 15 |
Provided |  |  | 5 |  |  |  | — |  |  |  | 5 |
Utilised |  |  | — |  |  |  | (12 | ) |  |  | (12 | )
At 31 December 2016 and 31 December 2017 |  |  | 5 |  |  |  | 3 |  |  |  | 8 |
Summary of Provisions Analysed as Current and Non-Current |
|  | 2017 $m |  |  | 2016 $m |
Analysed as: |  |  |  |  |  |  |  |
Current |  |  | 3 |  |  |  | 3 |
Non-current |  |  | 5 |  |  |  | 5 |
|  |  | 8 |  |  |  | 8 |

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