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Revenues (Details 2) - EUR (€) € in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017		Dec. 31, 2016
Disclosure Of Revenue Explanatory [Abstract]
Gains from sale of assets and businesses	€ 454	€ 3,288		€ 14
Other proceeds	662	770	[1]	917	[1]
Other revenue	€ 1,116	€ 4,058		€ 931
[1] Each individual amount included herein was lower than €50 million.

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- References

No definition available.

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- Definition

The amount of gain on sale of assets and businesses.

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No definition available.

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- Definition

The amount of other revenue from other proceeds.

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No definition available.

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- Definition

The amount of revenue arising from sources that the entity does not separately disclose in the same statement or note. [Refer: Revenue]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_112_c&doctype=Standard
-URIDate 2018-03-16

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