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Capital and Funding - Reconciliation of Liabilities Arising from Financing Activities (Detail) - EUR (€) € in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Disclosure of financial liabilities [line items]
Opening balance	€ (24,430)	€ (16,595)
Cash Movement	84	(8,860)
Business acquisitions/ disposals	(10)	(3)
Foreign exchange changes	(515)	1,450
Fair value changes	15	(238)
Other movements	(29)	(184)
Closing balance	(24,885)	(24,430)
Bank Loans and Overdrafts [Member]
Disclosure of financial liabilities [line items]
Opening balance	(992)	(1,146)
Cash Movement	158	66
Business acquisitions/ disposals	(10)	(3)
Foreign exchange changes	17	98
Other movements	13	(7)
Closing balance	(814)	(992)
Bonds and Other Loans [Member]
Disclosure of financial liabilities [line items]
Opening balance	(22,709)	(15,053)
Cash Movement	(135)	(9,008)
Foreign exchange changes	(543)	1,346
Fair value changes		(2)
Other movements	(4)	8
Closing balance	(23,391)	(22,709)
Finance lease creditors [Member]
Disclosure of financial liabilities [line items]
Opening balance	(131)	(143)
Cash Movement	10	14
Foreign exchange changes	1	6
Other movements	(8)	(8)
Closing balance	(128)	(131)
Derivatives [Member]
Disclosure of financial liabilities [line items]
Opening balance	(421)	(185)
Fair value changes	19	(236)
Closing balance	(402)	(421)
Other Financials Liabilities [member]
Disclosure of financial liabilities [line items]
Opening balance	(177)
Cash Movement	51
Foreign exchange changes	10
Fair value changes	(4)
Other movements	(30)	(177)
Closing balance	€ (150)	(177)
Preferred Shares Liabilities [Member]
Disclosure of financial liabilities [line items]
Opening balance		(68)
Cash Movement		€ 68

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The amount of liabilities that are: (a) a contractual obligation: (i) to deliver cash or another financial asset to another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially unfavourable to the entity; or (b) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to deliver a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose, rights, options or warrants to acquire a fixed number of the entity’s own equity instruments for a fixed amount of any currency are equity instruments if the entity offers the rights, options or warrants pro rata to all of its existing owners of the same class of its own non-derivative equity instruments. Also, for those purposes the entity’s own equity instruments do not include puttable financial instruments that are classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. As an exception, an instrument that meets the definition of a financial liability is classified as an equity instrument if it has all the features and meets the conditions in paragraphs 16A-16B or paragraphs 16C-16D of IAS 32. [Refer: Financial instruments, class [member]; Financial assets; Derivatives [member]]

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2017-01-01
-Paragraph 25
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