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Note 52 Fees for audits conducted and other related services (Details) - EUR (€)
€ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Fees for audits conducted and other related services [Line Items]      
Audits of the companies audited by firms belonging to the EY worldwide organization and other reports related with the audit [1],[2] € 32.8 € 28.5 € 24.8
Other reports required pursuant to applicable legislation and tax regulations issued by the national supervisory bodies of the countries in which the group operates reviewed by firms belonging to EY [2] 1.5 1.4 1.0
Fees for audits conducted by other firms [2] € 0.1 € 0.1 € 0.1
[1]
(2) Including fees pertaining to annual legal audits (€26.0 million as of December 31, 2024).
[2]
(1) Regardless of the billed year.