Other assets - Text Details (Detail) - EUR (€) € in Millions	Dec. 31, 2020	Dec. 31, 2019
Other assets [Line Items]
Current contract assets	€ 229	€ 247
Non-current assets [member]
Other assets [Line Items]
Non-current prepaid expenses	66	47
Current assets [Member]
Other assets [Line Items]
Other current assets	424	476
Accrued income	26	41
Current prepaid expenses	€ 169	€ 188

The amount of asset representing income that has been earned but is not yet received.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 112
-Subparagraph c
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-URIDate 2019-03-27

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of current contract assets. [Refer: Contract assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2019-01-01
-Paragraph 105
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2019-en-r&anchor=para_105&doctype=Standard
-URIDate 2019-03-27

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

The amount recognised as a current asset for expenditures made prior to the period when the economic benefit will be realised.

+ References

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of current assets that the entity does not separately disclose in the same statement or note. [Refer: Current assets]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_55&doctype=Standard
-URIDate 2019-03-27

+ Details

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- References

No definition available.

+ Details

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- References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
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Period Type:	duration

- Details

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Namespace Prefix:
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- Details

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