The entity's share of the profit (loss) of associates and joint ventures accounted for using the equity method. [Refer: Associates [member]; Investments accounted for using equity method; Joint ventures [member]; Profit (loss)]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Share of profit/loss from investments accounted for using the equity method (Details) - EUR (€) € in Millions		12 Months Ended
	May 29, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disclosure of associates [line items]
Share of profit/(loss) from investments accounted for using the equity method		€ 68	€ 39	€ 359
Regeneron
Disclosure of associates [line items]
Share of profit/(loss) from investments accounted for using the equity method	€ 343			€ 343