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Impairment Testing (Narratives) (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2017 USD ($)
Notes to Consolidated Financial Statements [Abstract] |
As result of the loss of control of Allana-Afar the company deducted of | $ 55
After-tax discount rate used in calculation of the recoverable amount of the operating segments (real) | 6.00%
After-tax discount rate used in calculation of the recoverable amount of the operating segments (nominal) | 8.00%
Long-term growth rate | 0% - 2%

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- Definition The decrease in intangible assets and goodwill resulting from the loss of control of a subsidiary. [Refer: Intangible assets and goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 38 -IssueDate 2017-01-01 -Paragraph 118 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=38&date=2017-03-01&anchor=para_118_e&doctype=Standard -URIDate 2017-03-09 + Details
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