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Business Combination - Shares of Common Stock Issued and Outstanding at the Closing of the Business Combination (Details) | Dec. 31, 2025 shares | Dec. 31, 2024 shares | Oct. 02, 2024 shares | Oct. 01, 2024 shares
--- | --- | --- | --- | ---
Business Combination [Line Items] |  |  |  |
Preferred stock, outstanding (in shares) | 33,144 |  |  |
Common stock, outstanding (in shares) | 67,743,847 | 44,597,154 | 43,589,850 |
Capital units, outstanding (in shares) |  |  | 38,494,999 | 18,397,684
Learn CW Shareholders |  |  |  |
Business Combination [Line Items] |  |  |  |
Common stock, outstanding (in shares) |  |  | 6,027,674 | 6,027,674
Less: Learn CW shares subject to clawback provisions |  |  | (932,823) |
Learn CW Public Shareholders |  |  |  |
Business Combination [Line Items] |  |  |  |
Common stock, outstanding (in shares) |  |  | 1,027,674 | 1,027,674
Share exchange ratio |  |  | 1.00 |
Learn CW Class B Shareholders |  |  |  |
Business Combination [Line Items] |  |  |  |
Common stock, outstanding (in shares) |  |  | 5,000,000 | 5,000,000
Share exchange ratio |  |  | 1.00 |
Innventure LLC |  |  |  |
Business Combination [Line Items] |  |  |  |
Share exchange ratio |  |  | 2.09 |
Class B Preferred Units |  |  |  |
Business Combination [Line Items] |  |  |  |
Preferred stock, outstanding (in shares) |  |  | 22,754,664 | 10,875,000
Class B-1 Preferred |  |  |  |
Business Combination [Line Items] |  |  |  |
Preferred stock, outstanding (in shares) |  |  | 11,738,165 | 5,609,951
Class A |  |  |  |
Business Combination [Line Items] |  |  |  |
Common stock, outstanding (in shares) |  |  | 716,867 | 342,608
Class C |  |  |  |
Business Combination [Line Items] |  |  |  |
Common stock, outstanding (in shares) |  |  | 3,285,303 | 1,570,125

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