v3.10.0.1

Significant accounting policies, Asset impairment (Details) | Dec. 31, 2018
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EMEA [Member] |
Cash-generating units [Abstract] |
Growth rate | 0.00%
EMEA [Member] | Bottom of Range [Member] |
Cash-generating units [Abstract] |
Discount rate | 4.00%
EMEA [Member] | Top of Range [Member] |
Cash-generating units [Abstract] |
Discount rate | 6.00%
North America [Member] |
Cash-generating units [Abstract] |
Growth rate | 0.00%
North America [Member] | Bottom of Range [Member] |
Cash-generating units [Abstract] |
Discount rate | 5.00%
North America [Member] | Top of Range [Member] |
Cash-generating units [Abstract] |
Discount rate | 6.00%
South America [Member] |
Cash-generating units [Abstract] |
Growth rate | 0.00%
South America [Member] | Bottom of Range [Member] |
Cash-generating units [Abstract] |
Discount rate | 5.00%
South America [Member] | Top of Range [Member] |
Cash-generating units [Abstract] |
Discount rate | 7.00%

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- Definition The growth rate used to extrapolate cash flow projections beyond the period covered by the most recent budgets/forecasts for a cash-generating unit (group of units). [Refer: Cash-generating units [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2018-01-01 -Paragraph 134 -Subparagraph d -Clause iv -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=36&date=2018-03-01&anchor=para_134_d_iv&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2018-01-01 -Paragraph 134 -Subparagraph e -Clause iv -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=36&date=2018-03-01&anchor=para_134_e_iv&doctype=Standard -URIDate 2018-03-16 + Details
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