Group Information - Summary of Information about Parent Company (Details)	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
BioNTech \| AT Impf GmbH
Disclosure of subsidiaries [line items]
Ownership of ordinary shares in BioNTech (in %)	43.75%	47.37%

The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Number 27
-IssueDate 2021-01-01
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration