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Business Combinations - Net Cash Flow on Acquisition (Details) - BioNTech Austria
€ in Millions
Oct. 01, 2021
EUR (€)
Disclosure of detailed information about business combination [line items]  
Transaction costs of the acquisition (included in cash flows from operating activities) € (0.5)
Cash and cash equivalents 0.9
Cash paid (included in cash flow used in investing activities) (21.7)
Net cash flow on acquisition € (21.3)