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Business Combinations - IPNET Group Narrative (Details) € in Millions, R$ in Millions			3 Months Ended	12 Months Ended
	Oct. 01, 2024 EUR (€)	Oct. 01, 2024 BRL (R$)	Dec. 31, 2024 EUR (€)	Dec. 31, 2024 EUR (€)	Dec. 31, 2023 EUR (€)	Dec. 31, 2022 EUR (€)	Oct. 01, 2024 BRL (R$)
Disclosure of detailed information about business combination [line items]
Cash paid				€ 189	€ 252	€ 1,628
IPNET acquisition (Note 5)
Disclosure of detailed information about business combination [line items]
Consideration	€ 37						R$ 224
Cash paid	€ 10	R$ 60		€ 10	€ 0	€ 0
Revenue of acquiree since acquisition date			€ 11

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- Definition

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

+ References

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The amount of revenue of the acquiree since the acquisition date included in the consolidated statement of comprehensive income. [Refer: Revenue]

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