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