v3.26.1
Businesses acquired and divested (Details) - Goldman Sachs TFI - EUR (€)
€ in Millions
4 Months Ended
Apr. 24, 2026
Apr. 23, 2026
Apr. 30, 2026
Disclosure of detailed information about business combination [line items]      
Percentage of voting equity interests acquired 55.00%   55.00%
Consideration paid € 94    
Interest held, percentage 100.00% 45.00%  
Remeasurement pre-existing interest € 25    
Goodwill € 113