v3.25.4
Earnings and Loss per Share - Additional Information (Detail) - shares
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Earnings per share [abstract]
Dilutive effect of share options on number of warrants
7,187,500
7,187,500
X
- References
No definition available.
+ Details
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ifrs-full_EarningsPerShareAbstract
Namespace Prefix:
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Data Type:
xbrli:stringItemType
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X
- Definition
Dilutive effect of share options on number of warrants.
+ References
No definition available.
+ Details
Name:
imtx_DilutiveEffectOfShareOptionsOnNumberOfWarrants
Namespace Prefix:
imtx_
Data Type:
xbrli:sharesItemType
Balance Type:
na
Period Type:
duration