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Business combinations - Acquisition of Incremental Narrative (Details) - Incremental - EUR (€) € in Millions	12 Months Ended
	Dec. 31, 2022	Jun. 09, 2022	Mar. 21, 2022
Disclosure of detailed information about business combination [line items]
Percentage of voting equity interests acquired		10000.00%
Consideration			€ 104
Payment obligations cancelled			€ 91
Loss of acquiree since acquisition date	€ 1

X

- Definition

The fair value, at acquisition date, of the consideration transferred in a business combination. [Refer: Business combinations [member]]

+ References

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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.

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- Definition

The percentage of voting equity interests acquired in a business combination. [Refer: Business combinations [member]]

+ References

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- Definition

The profit (loss) of the acquiree, since the acquisition date, included in the consolidated statement of comprehensive income. [Refer: Profit (loss)]

+ References

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- Definition

Business combination, payments to cancel accounts payable

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