v3.26.1
Note 15 Investments In Subsidiaries Joint Ventures And Associates (Details) - EUR (€)
€ in Millions
Jun. 30, 2026
Dec. 31, 2025
Disclosure of Investments in subsidiaries joint ventures and associates [Line Items]    
Investments in joint ventures € 191 € 111
Investments in associates 806 883
Investments in subsidiaries, joint ventures and associates € 997 € 994