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v3.19.1

Employee benefits (Tables) | 12 Months Ended
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Dec. 31, 2018
Text block [abstract] |
Summary of Employee Benefits Provisions |
|  | 31 December 2018 |  |  | 31 December 2017 |
Retirement pay liability provision |  |  | 160,613 |  |  |  | 149,449 |
Unused vacation provision |  |  | 64,134 |  |  |  | 48,217 |
|  |  | 224,747 |  |  |  | 197,666 |
Summary of Movement in Provision for Employee Termination Benefits | Movements in provision for employee termination benefits are as follows:
|  | 2018 |  |  | 2017 |
1 January |  |  | 149,449 |  |  |  | 120,755 |
Service cost |  |  | 26,971 |  |  |  | 32,696 |
Remeasurements |  |  | (12,699 | ) |  |  | 3,738 |
Interest expense |  |  | 16,957 |  |  |  | 13,877 |
Benefit payments |  |  | (20,065 | ) |  |  | (21,617 | )
31 December |  |  | 160,613 |  |  |  | 149,449 |
Summary of Sensitivity of Provision for Employee Termination Benefits to Changes in the Significant Actuarial Assumptions | The sensitivity of provision for employee termination benefits to changes in the significant actuarial assumptions is:
31 December 2018 |  | Discount Rate |  |  | Inflation Rate |
Sensivity Level |  | 1% increase |  |  | 1% decrease |  |  | 1% increase |  |  | 1% decrease |
Change in assumption |  |  | (13.0 | %) |  |  | 15.7 | % |  |  | 16.5 | % |  |  | (13.7 | %)
Impact on provision for employee termination benefits |  |  | (20,880 | ) |  |  | 25,216 |  |  |  | 26,501 |  |  |  | (22,004 | )
31 December 2017 |  | Discount Rate |  |  | Inflation Rate |
Sensivity Level |  | 1% increase |  |  | 1% decrease |  |  | 1% increase |  |  | 1% decrease |
Change in assumption |  |  | (14.6 | %) |  |  | 18.1 | % |  |  | 18.3 | % |  |  | (14.3 | %)
Impact on provision for employee termination benefits |  |  | (21,820 | ) |  |  | 27,050 |  |  |  | 27,349 |  |  |  | (21,371 | )

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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 2018-01-01 -Paragraph 145 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2018-03-01&anchor=para_145&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The disclosure of employee benefits provisions. + References No definition available. + Details
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