Annual Vesting Percentage Of Share Based Payment Arrangement

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Cash Outflow For Share Based Payment Arrangement Exercise

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Cash Outflow To Tax Authority

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Effective Exercise Price Maximum

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Exercise Of Option Rights, Minimum Strike Price Percent

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Exercise Price Currency Translation Of Public Offering Price Per Share

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Exercise Price, Phantom Options Granted

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- Definition

Maximum Cash Payment In Share-Based Payment Arrangement

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Maximum Economic Benefits Of Options Exercised

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Option Exercisable Period

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Option Term

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Option Vesting Period

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Percentage Of American Depository Shares To Ordinary Shares

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Percentage Of American Depository Shares To Ordinary Shares, Awards Settled At End Of Month

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Percentage Of Increase In Exercise Price

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- Definition

Percentage Of Target Share Price Applicable For Prior Twelve Month

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Phantom Option Awards, Liability

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Price Of American Depository Share As A Percentage Of Exercise Price, Maximum

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Reclassification Of Share-Based Payment Arrangement

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Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value1

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Share Based Compensation, Target Incentive Amount

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- Definition

Share based Payments, Classified As Operating Activities

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- Definition

Share Based Vesting Period

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- Definition

Threshold Amount Of Dividend By Number Of Shares Outstanding Immediately Following Initial Public Offering

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- Definition

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

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- Definition

The exercise price of share options granted.

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- Definition

The amount of expense arising from share-based payment transactions in which the goods or services received did not qualify for recognition as assets.

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- Definition

The amount of expense from share-based payment transactions with employees. [Refer: Expense from share-based payment transactions]

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The amount of liabilities arising from share-based payment transactions. Share-based payment transactions are transactions in which the entity: (a) receives goods or services from the supplier of those goods or services (including an employee) in a share-based payment arrangement; or (b) incurs an obligation to settle the transaction with the supplier in a share-based payment arrangement when another group entity receives those goods or services. [Refer: Types of share-based payment arrangements [domain]]

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The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement.

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The number of other equity instruments (ie other than share options) exercised or vested in a share-based payment arrangement.

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The number of other equity instruments (ie other than share options) forfeited in a share-based payment arrangement.

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The number of other equity instruments (ie other than share options) outstanding in a share-based payment arrangement.

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

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

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The amount of payment due on social security and taxes other than income tax. Income taxes include all domestic and foreign taxes that are based on taxable profits. Income taxes also include taxes, such as withholding taxes, that are payable by a subsidiary, associate or joint arrangement on distributions to the reporting entity.

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The weighted average exercise price of other equity instruments (ie other than share options) granted in a share-based payment arrangement. [Refer: Weighted average [member]]

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The weighted average remaining contractual life of outstanding share options. [Refer: Weighted average [member]]

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The weighted average share price. [Refer: Weighted average [member]]

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Share-Based Payments - Additional Information (Details) € / shares in Units, $ / shares in Units, € in Millions								1 Months Ended								3 Months Ended	8 Months Ended	12 Months Ended
	Aug. 09, 2024 EUR (€) € / shares	May 17, 2021 € / shares	May 12, 2021 € / shares	Feb. 13, 2020 $ / shares	Aug. 19, 2019	Nov. 15, 2018 € / shares	Aug. 18, 2017 USD ($) $ / shares	Dec. 31, 2024 EUR (€) shares € / shares	May 31, 2024 € / shares	May 31, 2023 € / shares	May 31, 2022 EUR (€) € / shares	May 31, 2021 EUR (€)	Feb. 29, 2020 € / shares	Sep. 30, 2019	Apr. 03, 2019 € / shares	Dec. 31, 2024 EUR (€) shares	Dec. 31, 2024 EUR (€) shares	Dec. 31, 2024 EUR (€) shares € / shares	Dec. 31, 2024 USD ($) shares	Dec. 31, 2023 EUR (€) shares € / shares	Dec. 31, 2022 EUR (€) shares	Dec. 31, 2021
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based payments																		€ (154.5)		€ (766.2)	€ (51.8)
Cash outflow to tax authority																		9.9
Liabilities from share-based payment arrangements								€ 26.6								€ 26.6	€ 26.6	€ 26.6		€ 29.0
Option term																		4 years	4 years
Exercise price (in euros per share) \| € / shares		€ 179.83	€ 178.29								€ 146.40		€ 28.32
Weighted average share price (in euros per share) \| € / shares																		€ 83.45		€ 96.49
Expense recognized for employee services received																		€ 100.9		€ 51.4	€ 108.0
LTI Program
Disclosure of terms and conditions of share-based payment arrangement [line items]
Vesting period																				4 years	4 years	4 years
BioNTech 2024 North America Employee Participation Plan - RSUs
Disclosure of terms and conditions of share-based payment arrangement [line items]
Vesting period																		4 years	4 years
Granted (in shares)								47,115	356,757
Granted (in euros per share) \| € / shares								€ 93.00	€ 93.00
Forfeited (in shares)																	24,284
Shares outstanding (in shares)								379,588								379,588	379,588	379,588
Vesting percentage																		25.00%	25.00%
BioNTech 2024 North America Employee Participation Plan - PSUs
Disclosure of terms and conditions of share-based payment arrangement [line items]
Granted (in shares)									34,481
Granted (in euros per share) \| € / shares									€ 93.00
Forfeited (in shares)																	2,915
Shares outstanding (in shares)								31,566								31,566	31,566	31,566
InstaDeep RSU Program Employees
Disclosure of terms and conditions of share-based payment arrangement [line items]
Vesting period																		4 years	4 years
Granted (in shares)									160,997
Granted (in euros per share) \| € / shares									€ 92.08
Shares outstanding (in shares)								120,748								120,748	120,748	120,748
Vesting percentage																		25.00%	25.00%
Target incentive amount								€ 15.0								€ 15.0	€ 15.0	€ 15.0
Number of option rights vested (in shares)																40,249
Expense recognized for employee services received																€ 2.1
BioNTech 2020 Restricted Stock Unit Plan For North America Employees
Disclosure of terms and conditions of share-based payment arrangement [line items]
Vesting period																						4 years
Vesting percentage																						25.00%
Cash outflow for share based payment exercise																		13.9		€ 10.0	€ 9.4
Liabilities from share-based payment arrangements								11.2								11.2	11.2	11.2		14.4
Management Board Grant
Disclosure of terms and conditions of share-based payment arrangement [line items]
Liabilities from share-based payment arrangements								2.8								2.8	2.8	€ 2.8		€ 2.1
Awards paid at end of month settled																		50.00%	50.00%
Awards paid one year after reaching target																		50.00%	50.00%
Option rights vesting period (in years)																		4 years	4 years
Option rights exercisable period (in years)														10 years				4 years	4 years
Percentage of exercise price increase (as a percent)																		7.00%	7.00%
Threshold amount of dividend by number of shares outstanding immediately following initial public offering																		€ 8,500.0
Percentage of target share price applicable for prior twelve month period (as a percent)																		107.00%	107.00%
Reclassification for share-based payment arrangement											€ 3.3	€ 1.1
Price of ADS as a percentage of exercise price, maximum (as a percent)													800.00%
Maximum economic benefits of options exercised \| $																			$ 246.24
Exercise price (in euros per share) \| (per share)				$ 30.78						€ 104.86
Options outstanding, weighted-average expected life (in years)																				4 years 1 month 6 days
Liability related to the phantom option awards								5.1								5.1	5.1	€ 5.1		€ 3.6
Management Board Grant \| Prof. Ugur Sahin, M.D.
Disclosure of terms and conditions of share-based payment arrangement [line items]
Maximum cash payment								20.0								20.0	20.0	20.0
Management Board Grant \| All Other Members
Disclosure of terms and conditions of share-based payment arrangement [line items]
Maximum cash payment								€ 10.0								€ 10.0	€ 10.0	€ 10.0
Chief Executive Officer Grant \| Ordinary shares \| Employee Stock Ownership Plan 2019
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of option rights vested (in shares) \| shares																					4,374,963
Exercise price in translation for IPO (in dollar per share and euro per share) \| € / shares	€ 13.74
Weighted average share price (in euros per share) \| € / shares	€ 73.68
Intrinsic value of exercised options	€ 259.5
Applicable wage taxes and social security contributions resulting from and withheld upon exercise	€ 123.2
Employee Stock Ownership Plan
Disclosure of terms and conditions of share-based payment arrangement [line items]
Percentage of exercise price increase (as a percent)					7.00%		8.00%
Price of ADS as a percentage of exercise price, maximum (as a percent)							800.00%
Maximum economic benefits of options exercised \| $							$ 240.00
Exercise price (in euros per share) \| € / shares						€ 10.14									€ 15.03
Effective exercise price maximum (in dollars per share) \| $ / shares							$ 30.00
Minimum strike price (as a percent)					28.00%		32.00%
Cash-settled option rights, exercised (in shares) \| shares																		7,725	7,725	39,785
Share options outstanding (in shares) \| shares								10,074								10,074	10,074	10,074		17,799	57,584
Employee Stock Ownership Plan \| Ordinary shares
Disclosure of terms and conditions of share-based payment arrangement [line items]
Vesting period							4 years
Option rights exercisable period (in years)							4 years
Cash-Settled Share-Based Payment Arrangement \| Employee Stock Option Plan
Disclosure of terms and conditions of share-based payment arrangement [line items]
Liabilities from share-based payment arrangements								€ 5.0								€ 5.0	€ 5.0	€ 5.0		€ 8.5
Weighted average share price (in euros per share) \| € / shares																		€ 92.70
Exercise price of phantom options granted (in euro per share) \| € / shares																				€ 10.14
Cash-settled option rights, exercised (in shares) \| shares																		50,748	50,748
Cash outflow																		€ 3.8
Share options outstanding (in shares) \| shares								58,903								58,903	58,903	58,903