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Intangible assets - Schedule off goodwill allocation to group of CGUs (Details) - Cash generating unit - EUR (€)
€ in Millions
Dec. 31, 2024
Dec. 31, 2023
Disclosure of detailed information about intangible assets [line items]    
Goodwill € 476 € 469
Retail Netherlands    
Disclosure of detailed information about intangible assets [line items]    
Discount rate 7.81%  
Terminal growth rate 2.00%  
Goodwill € 30 30
Retail Germany    
Disclosure of detailed information about intangible assets [line items]    
Discount rate 7.77%  
Terminal growth rate 2.00%  
Goodwill € 356 349
Retail Poland    
Disclosure of detailed information about intangible assets [line items]    
Discount rate 9.30%  
Terminal growth rate 2.50%  
Goodwill € 76 75
Retail Romania    
Disclosure of detailed information about intangible assets [line items]    
Discount rate 11.45%  
Terminal growth rate 3.00%  
Goodwill € 15 € 15