v3.25.0.1
Leases - Additional Information (Details) - EUR (€)
€ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of Leases [Line Items]      
Impairment charges on real estate assets € 43 € 123 € 0
Expenses relating to short-term leases 4 4  
Lease commitment amount for leases not commenced € 44    
Weighted average incremental borrowing rate applied to lease liabilities 6.50%    
Right-of-use assets      
Disclosure of Leases [Line Items]      
Non-cash impairment charge € 25 74  
Accumulated amortization      
Disclosure of Leases [Line Items]      
Non-cash impairment charge € 18 € 49  
Property and equipment | Top of Range      
Disclosure of Leases [Line Items]      
Expected lease term 9 years    
Real estate assets      
Disclosure of Leases [Line Items]      
Increase (decrease) in vacancy period assumption, duration 6 months    
Increase (decrease) in impairment loss due to six month change in vacancy period assumption € 5    
Increase (decrease) in sublease rental rate assumption, percent 10.00%    
Increase (decrease) in impairment loss due to 10% change in sublease rental rate assumption € 3    
Increase (decrease) in discount rate assumption 1.00%    
Increase (decrease) in impairment loss due to 100 basis points change in discount rate assumption € 1