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PROVISIONS (Tables) | 12 Months Ended
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Dec. 31, 2017
Other provisions [abstract] |
Provisions |
| 2017 |  | 2016 |
At January 1 |  | $2,246 |  |  | $1,982 |
PERs divested during the year | (31 | ) | — |
Closed Sites |  |
Impact of revisions to expected cash flows recorded in earnings | 46 |  | 146 |
Settlements |  |
Cash payments | (41 | ) | (28 | )
Settlement gains | (1 | ) | (1 | )
Accretion | 12 |  | 10 |
Operating Sites |  |
PERs arising in the year | 836 |  | 134 |
Settlements |  |
Cash payments | (18 | ) | (34 | )
Settlement gains | (1 | ) | (3 | )
Accretion | 48 |  | 40 |
At December 31 |  | $3,096 |  |  | $2,246 |
Current portion (note 24) | (152 | ) | (67 | )
|  | $2,944 |  |  | $2,179 |
| As at December 31, 2017 |  | As at December 31, 2016 |
Environmental rehabilitation ("PER") |  | $2,944 |  |  | $2,179 |
Post-retirement benefits | 48 |  | 72 |
Share-based payments | 37 |  | 34 |
Other employee benefits | 27 |  | 45 |
Other | 85 |  | 33 |
|  | $3,141 |  |  | $2,363 |

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