Goodwill and intangible assets - Type (Details) - EUR (€) € in Millions	Dec. 31, 2023	Dec. 31, 2022
Intangible assets
Intangible assets	€ 1,086	€ 1,263
Customer relationships
Intangible assets
Intangible assets	605	923
Patents and licenses
Intangible assets
Intangible assets	316	151
Technologies and IPR&D
Intangible assets
Intangible assets	31	83
Tradenames and other
Intangible assets
Intangible assets	€ 134	€ 106

The amount of identifiable non-monetary assets without physical substance. This amount does not include goodwill. [Refer: Goodwill]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 38
-IssueDate 2023-01-01
-Paragraph 118
-Subparagraph e
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_118_e&doctype=Standard
-URIDate 2023-03-23

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 54
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_c&doctype=Standard
-URIDate 2023-03-23

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