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Financial instruments fair value risk - Summary of Reconciliation of Movements in Level 3 Valuations (Details) - EUR (€) € in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Jul. 07, 2022
Nutrafol
Disclosure of Fair Value Measurement of Assets [Line Items]
Fair value of equity interest in acquiree held immediately before acquisition date			€ (157)
Fair value | Level 3
Disclosure of Fair Value Measurement of Assets [Line Items]
Assets and liabilities at beginning of period	€ 748	€ 550
Gains and losses recognised in income statement	11	40
Gains and losses recognised in other comprehensive income	55	190
Purchases and new issues	94	30
Sales and settlements	(212)	(62)
Assets and liabilities at end of period	€ 696	€ 748

X

- Definition

The acquisition-date fair value of equity interest in the acquiree held by the acquirer immediately before the acquisition date in a business combination achieved in stages. [Refer: Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2021-01-01
-Paragraph B64
-Subparagraph p
-Clause i
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-URIDate 2021-03-24

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

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- Definition

Financial assets and financial liabilities at fair value.

+ References

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+ Details

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- Definition

Gains (losses) recognised in other comprehensive income, fair value measurement, Assets Liabilities.

+ References

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- Definition

Gains (losses) recognised in profit or loss, fair value measurement, assets and liabilities.

+ References

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- Definition

Purchases and new issues, fair value measurement, assets and liabilities.

+ References

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- Definition

Sales and Settlements, fair value measurement, assets and liabilities.

+ References

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