XML 158 R109.htm IDEA: XBRL DOCUMENT v3.21.1

Share-Based Payments - Schedule of Number and Weighted-Average Exercise Price of Share Options (Details)	12 Months Ended
	Dec. 31, 2020 shares € / shares	Dec. 31, 2019 shares € / shares
Management Board Grant
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items]
Granted, share options	248,096
Expected to be allocated as of estimated allocation date 2021, share options	101,422
Expected to be allocated as of estimated allocation date 2022, share options	102,463
Ending Balance, Share options	451,981
Granted, Weighted-average exercise price | € / shares	€ 28.32
Expected to be allocated as of estimated allocation date 2021, Weighted-average exercise price | € / shares	67.26
Expected to be allocated as of estimated allocation date 2022, Weighted-average exercise price | € / shares	67.27
Ending Balance, Weighted-average exercise price | € / shares	€ 45.89
Employee Stock Ownership Plan
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items]
Beginning Balance, Share options	655,383	658,109
Granted, share options		14,511
Forfeited, share options	(9,491)	(17,237)
Ending Balance, Share options	645,892	655,383
Beginning Balance, Weighted-average exercise price | € / shares	€ 10.23	€ 10.14
Granted, Weighted-average exercise price | € / shares		15.17
Forfeited, Weighted-average exercise price | € / shares	10.81	10.85
Ending Balance, Weighted-average exercise price | € / shares	€ 10.23	€ 10.23
Beginning Balance, Number of Ordinary Shares underlying options	11,796,894	11,845,962
Granted, Shares underlying options		261,198
Forfeited, Shares underlying options	(170,838)	(310,266)
Ending Balance, Number of Ordinary Shares underlying options	11,626,056	11,796,894

X

- Definition

Number of ordinary shares underlying options forfeited in sharebased payment arrangement.

+ References

No definition available.

+ Details

Name:	bntx_NumberOfOrdinarySharesUnderlyingOptionsForfeitedInSharebasedPaymentArrangement
Namespace Prefix:	bntx_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of ordinary shares underlying options granted in sharebased payment arrangement.

+ References

No definition available.

+ Details

Name:	bntx_NumberOfOrdinarySharesUnderlyingOptionsGrantedInSharebasedPaymentArrangement
Namespace Prefix:	bntx_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of ordinary shares underlying options outstanding.

+ References

No definition available.

+ Details

Name:	bntx_NumberOfOrdinarySharesUnderlyingOptionsOutstanding
Namespace Prefix:	bntx_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of share options expected to be allocated in share based payment arrangement year one.

+ References

No definition available.

+ Details

Name:	bntx_NumberOfShareOptionsExpectedToBeAllocatedInShareBasedPaymentArrangementYearOne
Namespace Prefix:	bntx_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of share options expected to be allocated in share based payment arrangement year two.

+ References

No definition available.

+ Details

Name:	bntx_NumberOfShareOptionsExpectedToBeAllocatedInShareBasedPaymentArrangementYearTwo
Namespace Prefix:	bntx_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Weighted average exercise price of share options expected to be allocated in share based payment arrangement year one.

+ References

No definition available.

+ Details

Name:	bntx_WeightedAverageExercisePriceOfShareOptionsExpectedToBeAllocatedInShareBasedPaymentArrangementYearOne
Namespace Prefix:	bntx_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Weighted average exercise price of share options expected to be allocated in share based payment arrangement year two.

+ References

No definition available.

+ Details

Name:	bntx_WeightedAverageExercisePriceOfShareOptionsExpectedToBeAllocatedInShareBasedPaymentArrangementYearTwo
Namespace Prefix:	bntx_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The number of share options outstanding in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2020-01-01
-Paragraph 45
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45_d&doctype=Standard
-URIDate 2020-01-01

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2020-01-01
-Paragraph 45
-Subparagraph b
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45_b_i&doctype=Standard
-URIDate 2020-01-01

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2020-01-01
-Paragraph 45
-Subparagraph b
-Clause vi
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45_b_vi&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_NumberOfOutstandingShareOptions
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The number of share options forfeited in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2020-01-01
-Paragraph 45
-Subparagraph b
-Clause iii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45_b_iii&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The number of share options granted in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2020-01-01
-Paragraph 45
-Subparagraph b
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45_b_ii&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The weighted average exercise price of share options forfeited in a share-based payment arrangement. [Refer: Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2020-01-01
-Paragraph 45
-Subparagraph b
-Clause iii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45_b_iii&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019
Namespace Prefix:	ifrs-full_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The weighted average exercise price of share options granted in a share-based payment arrangement. [Refer: Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2020-01-01
-Paragraph 45
-Subparagraph b
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45_b_ii&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019
Namespace Prefix:	ifrs-full_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The weighted average exercise price of share options outstanding in a share-based payment arrangement. [Refer: Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2020-01-01
-Paragraph 45
-Subparagraph b
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45_b_i&doctype=Standard
-URIDate 2020-01-01

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2020-01-01
-Paragraph 45
-Subparagraph b
-Clause vi
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45_b_vi&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019
Namespace Prefix:	ifrs-full_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=bntx_ManagementBoardGrantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=bntx_EmployeeStockOwnershipPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: