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Other financial assets (Details) - EUR (€) € in Millions | Dec. 31, 2017 | Dec. 31, 2016
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DisclosureOfFinancialAssetsExplanatoryLineItems [Line Items] |  |
Other non-current financial assets | € 1,675 | € 1,860
Financing receivables held for operating purposes [Member] |  |
DisclosureOfFinancialAssetsExplanatoryLineItems [Line Items] |  |
Other non-current financial assets | 1,602 | 1,785
Securities held for operating purposes [Member] |  |
DisclosureOfFinancialAssetsExplanatoryLineItems [Line Items] |  |
Other non-current financial assets | € 73 | € 75

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- Definition The amount of non-current financial assets that the entity does not separately disclose in the same statement or note. [Refer: Other financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 54 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_54_d&doctype=Standard -URIDate 2017-03-09 + Details
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