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Financial assets held for trading (Details 1) - EUR (€) € in Millions	Dec. 31, 2018		Dec. 31, 2017
Disclosure Of Financial Assets Held For Trading [Line Items]
Current financial assets at fair value through profit or loss, classified as held for trading	€ 6,552	[1]	€ 6,012
Euro [Member]
Disclosure Of Financial Assets Held For Trading [Line Items]
Current financial assets at fair value through profit or loss, classified as held for trading	4,573		4,232
Us Dollar [Member]
Disclosure Of Financial Assets Held For Trading [Line Items]
Current financial assets at fair value through profit or loss, classified as held for trading	1,614		1,025
Other [Member]
Disclosure Of Financial Assets Held For Trading [Line Items]
Current financial assets at fair value through profit or loss, classified as held for trading	€ 365		€ 755
[1] Income or expense were recognized in the profit and loss account within “Finance income (expense)”.

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Disclosure Of Financial Assets Held For Trading

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The amount of current financial assets measured at fair value through profit or loss classified as held for trading. [Refer: Financial assets at fair value through profit or loss, classified as held for trading]

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard
-URIDate 2018-03-16

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2021-01-01
-Name IFRS
-Number 7
-IssueDate 2018-01-01
-Paragraph 8
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-02&anchor=para_8_a&doctype=Standard&book=b
-URIDate 2018-03-16

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