Intangible asset - Additional information (Details) € in Millions	6 Months Ended
Jun. 30, 2022 EUR (€)
Turkey [member]
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]
Impairment loss recognised in profit or loss, goodwill	€ 32
Romania [member]
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]
Goodwill	15
Poland [member]
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]
Goodwill	€ 70

The amount of assets representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognised. [Refer: Business combinations [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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-IssueDate 2021-01-01
-Paragraph B67
-Subparagraph d
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-URIDate 2021-03-24

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2021-01-01
-Paragraph 134
-Subparagraph a
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-URIDate 2021-03-24

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
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-Subparagraph a
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-URIDate 2021-03-24

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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-Subparagraph c
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-URIDate 2021-03-24

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