v3.24.0.1
Investments - Offsetting of Financial Assets and Liabilities (Detail) - USD ($)
Dec. 31, 2023
Dec. 31, 2022
Swap Agreements [Member]    
Derivative [Line Items]    
Net Amounts of Assets presented in the Statements of Financial Condition $ 21,033,528 $ 119,880,255
Net Amounts of Liabilities presented in the Statements of Financial Condition 3,841,216 2,315,580
Foreign Currency Forward Contracts [Member]    
Derivative [Line Items]    
Net Amounts of Assets presented in the Statements of Financial Condition 2,011,074 2,823,510
Net Amounts of Liabilities presented in the Statements of Financial Condition 3,345,544 6,911,994
ProShares Ultra Bloomberg Crude Oil [Member] | Swap Agreements [Member]    
Derivative [Line Items]    
Gross Amounts of Recognized Assets presented in the Statements of Financial Condition 17,954,935 74,159,577
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Assets presented in the Statements of Financial Condition 17,954,935 74,159,577
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 308,424 514,115
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Assets presented in the Statements of Financial Condition 308,424 514,115
Gross Amounts of Recognized Liabilities presented in the Statements of Financial Condition 1,475 98,459
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Liabilities presented in the Statements of Financial Condition 1,475 98,459
ProShares Ultra Gold [Member] | Swap Agreements [Member]    
Derivative [Line Items]    
Gross Amounts of Recognized Assets presented in the Statements of Financial Condition 3,078,593 6,496,466
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Assets presented in the Statements of Financial Condition 3,078,593 6,496,466
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 0 39,224,212
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Assets presented in the Statements of Financial Condition 0 39,224,212
Gross Amounts of Recognized Liabilities presented in the Statements of Financial Condition 2,827,221 0
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Liabilities presented in the Statements of Financial Condition 2,827,221 0
ProShares Ultra Yen [Member] | Foreign Currency Forward Contracts [Member]    
Derivative [Line Items]    
Gross Amounts of Recognized Assets presented in the Statements of Financial Condition 1,534,924 1,152,834
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Assets presented in the Statements of Financial Condition 1,534,924 1,152,834
Gross Amounts of Recognized Liabilities presented in the Statements of Financial Condition 15,639 168,285
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Liabilities presented in the Statements of Financial Condition 15,639 168,285
ProShares UltraShort Euro [Member] | Foreign Currency Forward Contracts [Member]    
Derivative [Line Items]    
Gross Amounts of Recognized Assets presented in the Statements of Financial Condition 38,029 193,192
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Assets presented in the Statements of Financial Condition 38,029 193,192
Gross Amounts of Recognized Liabilities presented in the Statements of Financial Condition 1,886,808 2,654,448
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Liabilities presented in the Statements of Financial Condition 1,886,808 2,654,448
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 199,821 592,957
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Liabilities presented in the Statements of Financial Condition 199,821 592,957
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 814,174 1,722,623
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Liabilities presented in the Statements of Financial Condition 814,174 1,722,623
ProShares UltraShort Yen [Member] | Foreign Currency Forward Contracts [Member]    
Derivative [Line Items]    
Gross Amounts of Recognized Assets presented in the Statements of Financial Condition 129,697 963,369
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Assets presented in the Statements of Financial Condition 129,697 963,369
Gross Amounts of Recognized Liabilities presented in the Statements of Financial Condition 1,441,622 3,990,802
Gross Amounts Offset in the Statements of Financial Condition 0 0
Net Amounts of Liabilities presented in the Statements of Financial Condition $ 1,441,622 $ 3,990,802