v3.24.3
Statements of Financial Condition (Parenthetical) - U.S. Government Agencies Short-term Debt Securities [Member] - USD ($)
Jun. 30, 2024
Dec. 31, 2023
Short-term U.S. government and agency obligations, cost $ 1,566,271,392 $ 690,346,244
ProShares Short VIX Short-Term Futures ETF [Member]    
Short-term U.S. government and agency obligations, cost 169,045,239 109,391,681
ProShares Ultra Bloomberg Crude Oil [Member]    
Short-term U.S. government and agency obligations, cost 387,837,316 233,435,026
ProShares Ultra Bloomberg Natural Gas [Member]    
Short-term U.S. government and agency obligations, cost 0 64,445,510
ProShares Ultra Gold [Member]    
Short-term U.S. government and agency obligations, cost 194,011,855 59,496,177
ProShares Ultra Silver [Member]    
Short-term U.S. government and agency obligations, cost 457,266,168 114,255,151
ProShares Ultra VIX Short-Term Futures ETF [Member]    
Short-term U.S. government and agency obligations, cost 49,941,817 0
ProShares UltraShort Bloomberg Crude Oil [Member]    
Short-term U.S. government and agency obligations, cost 104,415,710 49,673,923
ProShares UltraShort Bloomberg Natural Gas [Member]    
Short-term U.S. government and agency obligations, cost 89,476,486 0
ProShares VIX Mid-Term Futures ETF [Member]    
Short-term U.S. government and agency obligations, cost 49,519,896 0
ProShares VIX Short-Term Futures ETF [Member]    
Short-term U.S. government and agency obligations, cost $ 64,756,905 $ 59,648,776