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POST-RETIREMENT BENEFITS (Tables) | 12 Months Ended
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Dec. 31, 2017
Employee Benefits [Abstract] |
Post-employment amounts | The weighted average duration of the defined benefit obligation is 10 years (2016: 10 years).
| Less than a year |  | Between 1-2 years |  | Between 2-5 years |  | Over 5 years |  | Total |
Pension benefits |  | $18 |  |  | $19 |  |  | $54 |  |  | $313 |  |  | $404 |
Other post-retirement benefits | 1 |  | 1 |  | 2 |  | 6 |  | 10 |
At December 31, 2016 |  | $19 |  |  | $20 |  |  | $56 |  |  | $319 |  |  | $414 |
Pension benefits | 14 |  | 14 |  | 39 |  | 200 |  | 267 |
Other post-retirement benefits | 1 |  | 1 |  | 2 |  | 5 |  | 9 |
At December 31, 2017 |  | $15 |  |  | $15 |  |  | $41 |  |  | $205 |  |  | $276 |
The amounts recognized in the balance sheet are determined as follows:
For the years ended December 31 | 2017 |  | 2016 |
Present value of funded obligations |  | $122 |  |  | $198 |
Fair value of plan assets | (134 | ) | (191 | )
(Surplus) deficit of funded plans |  | ($12 | ) |  | $7 |
Present value of unfunded obligations | 54 |  | 59 |
Total deficit of defined benefit pension plans |  | $42 |  |  | $66 |
Impact of minimum funding requirement/asset ceiling | — |  | — |
Liability in the balance sheet |  | $42 |  |  | $66 |
The table below outlines where the Company’s post-employment amounts and activity are included in the financial statements:
For the years ended December 31 | 2017 |  | 2016 |
Balance sheet obligations for: |  |
Defined pension benefits |  | $42 |  |  | $66 |
Other post-retirement benefits | 6 |  | 6 |
Liability in the balance sheet |  | $48 |  |  | $72 |
Income statement charge included income statement for: |  |
Defined pension benefits |  | $1 |  |  | $4 |
Other post-retirement benefits | — |  | — |
|  | $1 |  |  | $4 |
Measurements for: |  |
Defined pension benefits |  | $23 |  |  | $11 |
Other post-retirement benefits | — |  | — |
|  | $23 |  |  | $11 |
Significant actuarial assumptions | The significant actuarial assumptions were as follows:
As at December 31 | Pension Plans 2017 | Other Post-Retirement Benefits 2017 |  | Pension Plans 2016 | Other Post-Retirement Benefits 2016 |
Discount rate | 2.90-3.95% | 3.75 | % | 2.10-3.90% | 3.70 | %

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- Definition Employee Benefits [Abstract] + References No definition available. + Details
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- Definition The disclosure of a net defined benefit liability (asset). [Refer: Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2017-01-01 -Paragraph 140 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_140_a&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The disclosure of a sensitivity analysis for significant actuarial assumptions used to determine the present value of a defined benefit obligation. [Refer: Actuarial assumptions [member]; Defined benefit obligation, at present value] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2017-01-01 -Paragraph 145 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_145&doctype=Standard -URIDate 2017-03-09 + Details
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