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Significant Accounting Policies (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2023
Dec. 31, 2022
Significant Accounting Policies (Details) [Line Items]    
Annual gross revenue $ 1,070  
Non-convertible debt securities 1,000  
Non-affiliates exceeded $ 700  
Fund's average net assets percentage   100.00%
SVIX [Member]    
Significant Accounting Policies (Details) [Line Items]    
Fund's average net assets percentage 0.03%  
UVIX [Member]    
Significant Accounting Policies (Details) [Line Items]    
Fund's average net assets percentage 0.00%