v3.26.1
Fair Value Measurements - Changes in the fair value of the Non-Redemption Agreements (Details) - CIK_0001843477_Spring Valley Acquisition Corp. II
12 Months Ended
Dec. 31, 2025
USD ($)
Non-redemption agreements derivative liabilities  
Change in fair value of non-redemption agreements derivative liabilities $ 2,814,086
Ending balance $ 2,814,086