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v3.23.2

Revenue, Collaboration (Details) | 3 Months Ended
--- | ---
Mar. 31, 2022 GBP (£)
Eli Lilly [Member] |
Collaboration [Abstract] |
Revenue recognized | £ 0

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- Definition The amount of revenue from performance obligations satisfied (or partially satisfied) in previous periods. [Refer: Performance obligations [member]; Revenue from contracts with customers] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2023-01-01 -Paragraph 116 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2023-en-r&anchor=para_116_c&doctype=Standard -URIDate 2023-03-23 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | imcr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | ifrs-full_ProductsAndServicesAxis=imcr_EliLillyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |