XML 23 R3.htm IDEA: XBRL DOCUMENT v3.25.4
Statements of Financial Condition (Parenthetical) - U.S. Government Agencies Short-term Debt Securities [Member] - USD ($)
Dec. 31, 2025
Dec. 31, 2024
Short-term U.S. government and agency obligations, cost $ 2,258,570,523 $ 473,690,268
ProShares Short VIX Short-Term Futures ETF [Member]    
Short-term U.S. government and agency obligations, cost 59,898,070 24,931,067
ProShares Ultra Bloomberg Crude Oil [Member]    
Short-term U.S. government and agency obligations, cost 149,544,793 99,724,267
ProShares Ultra Bloomberg Natural Gas [Member]    
Short-term U.S. government and agency obligations, cost 234,217,281 99,724,267
ProShares Ultra Gold [Member]    
Short-term U.S. government and agency obligations, cost 548,601,553 74,793,200
ProShares Ultra Silver [Member]    
Short-term U.S. government and agency obligations, cost 967,111,002 124,655,333
ProShares Ultra VIX Short-Term Futures ETF [Member]    
Short-term U.S. government and agency obligations, cost 99,753,597 24,931,067
ProShares UltraShort Bloomberg Crude Oil [Member]    
Short-term U.S. government and agency obligations, cost 44,906,073 0
ProShares UltraShort Bloomberg Natural Gas [Member]    
Short-term U.S. government and agency obligations, cost 69,807,867 0
ProShares VIX Short-Term Futures ETF [Member]    
Short-term U.S. government and agency obligations, cost $ 84,730,287 $ 24,931,067