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Group Information - Summary of Information about Parent Company (Details) - BioNTech - AT Impf GmbH	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Disclosure Of Significant Investments In Subsidiaries [Line Items]
Country of incorporation	Germany
Registered office	Munich
Ownership of ordinary shares in BioNTech	47.37%	50.33%

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The country in which a subsidiary of the entity is incorporated. [Refer: Subsidiaries [member]]

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