v3.24.1.u1
Investments - Offsetting of Financial Assets and Liabilities (Detail) - USD ($)
Mar. 31, 2024
Dec. 31, 2023
Swap Agreements [Member]    
Derivative [Line Items]    
Net Amounts of Assets presented in the Statements of Financial Condition $ 63,733,847 $ 21,033,528
Net Amounts of Liabilities presented in the Statements of Financial Condition 964,091 3,841,216
Foreign Currency Forward Contracts [Member]    
Derivative [Line Items]    
Net Amounts of Assets presented in the Statements of Financial Condition 2,797,020 2,011,074
Net Amounts of Liabilities presented in the Statements of Financial Condition 2,314,050 3,345,544
ProShares Ultra Bloomberg Crude Oil [Member] | Swap Agreements [Member]    
Derivative [Line Items]    
Gross Amounts of Recognized Assets presented in the Statements of Financial Condition 47,666,365 17,954,935
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Assets presented in the Statements of Financial Condition 47,666,365 17,954,935
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 965 308,424
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Assets presented in the Statements of Financial Condition 965 308,424
Gross Amounts of Recognized Liabilities presented in the Statements of Financial Condition 203,530 1,475
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Liabilities presented in the Statements of Financial Condition 203,530 1,475
ProShares Ultra Gold [Member] | Swap Agreements [Member]    
Derivative [Line Items]    
Gross Amounts of Recognized Assets presented in the Statements of Financial Condition 7,535,027 3,078,593
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Assets presented in the Statements of Financial Condition 7,535,027 3,078,593
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 Silver [Member] | Swap Agreements [Member]    
Derivative [Line Items]    
Gross Amounts of Recognized Assets presented in the Statements of Financial Condition 8,532,455 0
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Assets presented in the Statements of Financial Condition 8,532,455 0
Gross Amounts of Recognized Liabilities presented in the Statements of Financial Condition 0 2,827,221
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Liabilities presented in the Statements of Financial Condition 0 2,827,221
ProShares Ultra Yen [Member] | Foreign Currency Forward Contracts [Member]    
Derivative [Line Items]    
Gross Amounts of Recognized Assets presented in the Statements of Financial Condition 5,548 1,534,924
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Assets presented in the Statements of Financial Condition 5,548 1,534,924
Gross Amounts of Recognized Liabilities presented in the Statements of Financial Condition 2,065,194 15,639
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Liabilities presented in the Statements of Financial Condition 2,065,194 15,639
ProShares UltraShort Euro [Member] | Foreign Currency Forward Contracts [Member]    
Derivative [Line Items]    
Gross Amounts of Recognized Assets presented in the Statements of Financial Condition 1,164,063 38,029
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Assets presented in the Statements of Financial Condition 1,164,063 38,029
Gross Amounts of Recognized Liabilities presented in the Statements of Financial Condition 45,109 1,886,808
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Liabilities presented in the Statements of Financial Condition 45,109 1,886,808
ProShares UltraShort 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 481,581 199,821
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Liabilities presented in the Statements of Financial Condition 481,581 199,821
ProShares UltraShort 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 482,510 814,174
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Liabilities presented in the Statements of Financial Condition 482,510 814,174
ProShares UltraShort Yen [Member] | Foreign Currency Forward Contracts [Member]    
Derivative [Line Items]    
Gross Amounts of Recognized Assets presented in the Statements of Financial Condition 1,626,444 129,697
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Assets presented in the Statements of Financial Condition 1,626,444 129,697
Gross Amounts of Recognized Liabilities presented in the Statements of Financial Condition 217 1,441,622
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Liabilities presented in the Statements of Financial Condition $ 217 $ 1,441,622