v3.25.0.1
Share-Based Payments - Summary of Expense Recognized for Employee Services Received (Details) - EUR (€)
€ in Millions
1 Months Ended 12 Months Ended
May 31, 2022
May 31, 2021
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of terms and conditions of share-based payment arrangement [line items]          
Expense arising from equity-settled share-based payment arrangements     € 85.0 € 44.1 € 46.5
Expense / (Income) arising from cash-settled share-based payment arrangements     15.9 7.3 61.5
Total     100.9 51.4 108.0
Cost of sales          
Disclosure of terms and conditions of share-based payment arrangement [line items]          
Total     9.0 6.5 3.0
Research and development expenses          
Disclosure of terms and conditions of share-based payment arrangement [line items]          
Total     63.5 33.4 84.6
Sales and marketing expenses          
Disclosure of terms and conditions of share-based payment arrangement [line items]          
Total     2.5 1.0 0.8
General and administrative expenses          
Disclosure of terms and conditions of share-based payment arrangement [line items]          
Total     25.9 10.5 19.6
Employee Stock Ownership Plan          
Disclosure of terms and conditions of share-based payment arrangement [line items]          
Expense arising from equity-settled share-based payment arrangements     0.0 0.0 13.8
Expense / (Income) arising from cash-settled share-based payment arrangements     0.1 (0.9) 53.4
Chief Executive Officer Grant          
Disclosure of terms and conditions of share-based payment arrangement [line items]          
Expense arising from equity-settled share-based payment arrangements     0.0 1.2 3.1
Management Board Grant          
Disclosure of terms and conditions of share-based payment arrangement [line items]          
Expense arising from equity-settled share-based payment arrangements     5.2 3.2 4.3
Expense / (Income) arising from cash-settled share-based payment arrangements     2.6 (2.4) 0.0
Reclassification for share-based payment arrangement € 3.3 € 1.1      
BioNTech 2020 Employee Equity Plan for Employees Based Outside North America          
Disclosure of terms and conditions of share-based payment arrangement [line items]          
Expense arising from equity-settled share-based payment arrangements     58.3 36.3 25.3
InstaDeep Employee Incentive Plan          
Disclosure of terms and conditions of share-based payment arrangement [line items]          
Expense arising from equity-settled share-based payment arrangements     11.4 3.4 0.0
BioNTech 2020 Restricted Stock Unit Plan for North America Employees          
Disclosure of terms and conditions of share-based payment arrangement [line items]          
Expense / (Income) arising from cash-settled share-based payment arrangements     13.2 10.6 8.1
2024 North America Employee Participation Plan          
Disclosure of terms and conditions of share-based payment arrangement [line items]          
Expense arising from equity-settled share-based payment arrangements     € 10.1 € 0.0