XML 16 R3.htm IDEA: XBRL DOCUMENT v3.25.3
Statements of Assets and Liabilities (Parentheticals) - USD ($)
Sep. 30, 2025
Dec. 31, 2024
Statement of Financial Position [Abstract]    
Investment in ether, at cost $ 40,133,491 $ 15,551,512
Shares par value
Shares authorized Unlimited Unlimited