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Trade receivables and other current assets - Schedule of Changes in Research Tax Credit Receivables (Details) € in Thousands	6 Months Ended
	Jun. 30, 2025 EUR (€)
Disclosure of Trade Receivables and Other Current Assets
Research tax credit receivable at beginning of period	€ 3,369
Research tax credit receivable at end of period	4,792
Nanobiotix S.A. | 2025 Tax Year
Disclosure of Trade Receivables and Other Current Assets
2025 research tax credit	1,616
Nanobiotix Corp. | 2025 Tax Year
Disclosure of Trade Receivables and Other Current Assets
2025 research tax credit	(69)
Nanobiotix Corp. | 2024 Tax Year
Disclosure of Trade Receivables and Other Current Assets
Receipt of 2024 research tax credit - Nanobiotix Corp	€ (124)

X

- Definition

The amount of current receivables from taxes other than income tax. [Refer: Receivables from taxes other than income tax]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 78
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_78_b&doctype=Standard
-URIDate 2025-03-27

+ Details

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X

- Definition

Current Receivables From Taxes Other Than Income Tax, Income Tax Credit

+ References

No definition available.

+ Details

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- Definition

Disclosure of Trade Receivables and Other Current Assets

+ References

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- Definition

Proceeds From Income Tax Credit

+ References

No definition available.

+ Details

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