Goodwill and intangible assets with indefinite useful lives - Narrative (Details) - EUR (€)	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Intangible assets and goodwill [abstract]
Impairment charges, goodwill and intangible assets with indefinite lives	€ 514,000,000	€ 0	€ 0

The amount of impairment loss recognised in profit or loss for intangible assets and goodwill. [Refer: Impairment loss recognised in profit or loss; Intangible assets and goodwill]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 38
-IssueDate 2024-01-01
-Paragraph 118
-Subparagraph e
-Clause iv
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2024-en-r&anchor=para_118_e_iv&doctype=Standard
-URIDate 2024-03-27

Name:	ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration