Notes to the consolidated balance sheet - Trade Receivables and Other Current Assets and Receivables - Additional Information (Details) - EUR (€) € in Thousands	6 Months Ended
Jun. 30, 2023	Dec. 31, 2022
Trade receivables, tax receivables and other current assets
CIR and other research tax credits receivable	€ 4,385	€ 5,994
Receivable for current year	3,600
Prepaid expenses	8,576	8,601
Inventiva Inc [Member]
Trade receivables, tax receivables and other current assets
Research tax credits receivable from current tax year	1,000
CIR and other research tax credits received	5,200
Inventiva Inc [Member]
Trade receivables, tax receivables and other current assets
CIR and other research tax credits receivable	3,600	€ 700
Increase in research and development expense	€ 1,000

The amount recognised as a current asset for expenditures made prior to the period when the economic benefit will be realised.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 112
-Subparagraph c
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-URIDate 2022-03-24

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- Definition

Amount of CIR and other research tax credits receivable.

+ References

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- Definition

The amount of CIR and other research tax credits received during the period.

+ References

No definition available.

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- Definition

The amount of tax credit research from current year, classified as current.

+ References

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Amount of increase in research and development expense.

+ References

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- Definition

The amount of research tax credit receivables attributable to the current tax year, classified as current.

+ References

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- 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

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