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Provisions - Summary of Movement of Other Provisions (Detail) € in Millions	12 Months Ended
	Dec. 31, 2018 EUR (€)
Disclosure of Provisions [Line Items]
Other provisions beginning balance	€ 1,319
Charges	600
Releases	(232)
Utilisation	(327)
Currency translation	(39)
Other provisions ending balance	1,321
Restructuring [Member]
Disclosure of Provisions [Line Items]
Other provisions beginning balance	352
Charges	320
Releases	(51)
Reclassification	(7)
Utilisation	(161)
Currency translation	(8)
Other provisions ending balance	445
Legal [Member]
Disclosure of Provisions [Line Items]
Other provisions beginning balance	192
Charges	90
Releases	(10)
Reclassification	16
Utilisation	(130)
Currency translation	(15)
Other provisions ending balance	143
Brazil Indirect Taxes [member]
Disclosure of Provisions [Line Items]
Other provisions beginning balance	356
Charges	26
Releases	(55)
Reclassification	(85)
Utilisation	(10)
Currency translation	(29)
Other provisions ending balance	203
Other [Member]
Disclosure of Provisions [Line Items]
Other provisions beginning balance	419
Charges	164
Releases	(116)
Reclassification	76
Utilisation	(26)
Currency translation	13
Other provisions ending balance	€ 530

X

- Definition

The amount of additional other provisions made. [Refer: Other provisions]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 37
-IssueDate 2017-01-01
-Paragraph 84
-Subparagraph b
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-URIDate 2017-03-09

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X

- Definition

The increase (decrease) in other provisions resulting from foreign currency exchange rate changes on provisions measured in a currency different from the entity's presentation currency. [Refer: Other provisions]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Paragraph 84
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-URIDate 2017-03-09

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X

- Definition

The increase (decrease) in other provisions resulting from transfers and changes that the entity does not separately disclose in the same statement or note. [Refer: Other provisions]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
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-IssueDate 2017-01-01
-Paragraph 84
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X

- Definition

The amount of provisions other than provisions for employee benefits. [Refer: Provisions]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 37
-IssueDate 2017-01-01
-Paragraph 84
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-URIDate 2017-03-09

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X

- Definition

The amount used (ie incurrent and charged against the provision) for other provisions. [Refer: Other provisions]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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X

- Definition

The amount reversed for unused other provisions. [Refer: Other provisions]

+ References

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-Paragraph 84
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- Definition

Disclosure of provisions line items.

+ References

No definition available.

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