v3.25.2
Investments - Offsetting of Financial Assets and Liabilities (Detail) - USD ($)
Jun. 30, 2025
Dec. 31, 2024
Swap Agreements [Member]    
Derivative [Line Items]    
Net Amounts of Assets presented in the Statements of Financial Condition $ 5,719,272 $ 41,311,209
Net Amounts of Liabilities presented in the Statements of Financial Condition 11,197,394 54,867,040
Foreign Currency Forward Contracts [Member]    
Derivative [Line Items]    
Net Amounts of Assets presented in the Statements of Financial Condition 1,321,954 3,621,921
Net Amounts of Liabilities presented in the Statements of Financial Condition 2,155,362 4,618,937
ProShares Ultra Bloomberg Crude Oil [Member] | Swap Agreements [Member]    
Derivative [Line Items]    
Gross Amounts of Recognized Assets presented in the Statements of Financial Condition 4,023,623 38,215,610
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Assets presented in the Statements of Financial Condition 4,023,623 38,215,610
Gross Amounts of Recognized Liabilities presented in the Statements of Financial Condition 0 0
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Liabilities presented in the Statements of Financial Condition 0 0
ProShares Ultra Euro [Member] | Foreign Currency Forward Contracts [Member]    
Derivative [Line Items]    
Gross Amounts of Recognized Assets presented in the Statements of Financial Condition 446,814 2,312
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Assets presented in the Statements of Financial Condition 446,814 2,312
Gross Amounts of Recognized Liabilities presented in the Statements of Financial Condition 3,294 169,440
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Liabilities presented in the Statements of Financial Condition 3,294 169,440
ProShares Ultra Gold [Member] | Swap Agreements [Member]    
Derivative [Line Items]    
Gross Amounts of Recognized Assets presented in the Statements of Financial Condition 0 0
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Assets presented in the Statements of Financial Condition 0 0
Gross Amounts of Recognized Liabilities presented in the Statements of Financial Condition 4,726,020 2,348,132
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Liabilities presented in the Statements of Financial Condition 4,726,020 2,348,132
ProShares Ultra Silver [Member] | Swap Agreements [Member]    
Derivative [Line Items]    
Gross Amounts of Recognized Assets presented in the Statements of Financial Condition 0 0
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Assets presented in the Statements of Financial Condition 0 0
Gross Amounts of Recognized Liabilities presented in the Statements of Financial Condition 6,471,374 52,518,908
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Liabilities presented in the Statements of Financial Condition 6,471,374 52,518,908
ProShares Ultra Yen [Member] | Foreign Currency Forward Contracts [Member]    
Derivative [Line Items]    
Gross Amounts of Recognized Assets presented in the Statements of Financial Condition 764,251 146,194
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Assets presented in the Statements of Financial Condition 764,251 146,194
Gross Amounts of Recognized Liabilities presented in the Statements of Financial Condition 27,879 4,361,491
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Liabilities presented in the Statements of Financial Condition 27,879 4,361,491
ProShares UltraShort Euro [Member] | Foreign Currency Forward Contracts [Member]    
Derivative [Line Items]    
Gross Amounts of Recognized Assets presented in the Statements of Financial Condition 110,889 1,189,827
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Assets presented in the Statements of Financial Condition 110,889 1,189,827
Gross Amounts of Recognized Liabilities presented in the Statements of Financial Condition 1,837,188 32,777
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Liabilities presented in the Statements of Financial Condition 1,837,188 32,777
ProShares UltraShort Gold [Member] | Swap Agreements [Member]    
Derivative [Line Items]    
Gross Amounts of Recognized Assets presented in the Statements of Financial Condition 1,407,997 141,581
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Assets presented in the Statements of Financial Condition 1,407,997 141,581
Gross Amounts of Recognized Liabilities presented in the Statements of Financial Condition 0 0
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Liabilities presented in the Statements of Financial Condition 0 0
ProShares UltraShort Silver [Member] | Swap Agreements [Member]    
Derivative [Line Items]    
Gross Amounts of Recognized Assets presented in the Statements of Financial Condition 287,652 2,954,018
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Assets presented in the Statements of Financial Condition 287,652 2,954,018
Gross Amounts of Recognized Liabilities presented in the Statements of Financial Condition 0 0
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Liabilities presented in the Statements of Financial Condition 0 0
ProShares UltraShort Yen [Member] | Foreign Currency Forward Contracts [Member]    
Derivative [Line Items]    
Gross Amounts of Recognized Assets presented in the Statements of Financial Condition 0 2,283,588
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Assets presented in the Statements of Financial Condition 0 2,283,588
Gross Amounts of Recognized Liabilities presented in the Statements of Financial Condition 287,001 55,229
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Liabilities presented in the Statements of Financial Condition $ 287,001 $ 55,229