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Inventory - compulsory stock (Details Textual) - EUR (€) € in Millions | Dec. 31, 2017 | Dec. 31, 2016
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DisclosureOfInventoryCompulsoryStockLineItems [Line Items] |  |
Non-current inventories | € 1,283 | € 1,184
Italian subsidiaries [Member] |  |
DisclosureOfInventoryCompulsoryStockLineItems [Line Items] |  |
Non-current inventories | € 1,267 | € 1,167

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- Definition The amount of non-current inventories. [Refer: Inventories] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 54 -Subparagraph g -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_54_g&doctype=Standard -URIDate 2017-03-09 + Details
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- Details
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