v3.24.1.u1
Schedule of Investments - Total Return Swap Agreements (Detail) - Swap Agreements [Member]
 3 Months Ended
Mar. 31, 2024
USD ($)
 [1]
ProShares Ultra Bloomberg Crude Oil [Member]  
Schedule of Investments [Line Items]  
Unrealized Appreciation (Depreciation)/ Value $ 47,666,365
ProShares Ultra Bloomberg Crude Oil [Member] | Citibank N.A. [Member] | WTI Crude Oil Subindex [Member] | Bloomberg [Member]  
Schedule of Investments [Line Items]  
Rate Paid (Received) 0.35% [2]
Termination Date Apr. 08, 2024
Derivative Asset, Notional Amount $ 207,504,255 [3]
Unrealized Appreciation (Depreciation)/ Value $ 10,459,881
ProShares Ultra Bloomberg Crude Oil [Member] | Goldman Sachs International [Member] | WTI Crude Oil Subindex [Member] | Bloomberg [Member]  
Schedule of Investments [Line Items]  
Rate Paid (Received) 0.35% [2]
Termination Date Apr. 08, 2024
Derivative Asset, Notional Amount $ 257,994,386 [3]
Unrealized Appreciation (Depreciation)/ Value $ 13,004,988
ProShares Ultra Bloomberg Crude Oil [Member] | Morgan Stanley & Co. International PLC [Member] | WTI Crude Oil Subindex [Member] | Bloomberg [Member]  
Schedule of Investments [Line Items]  
Rate Paid (Received) 0.35% [2]
Termination Date Apr. 08, 2024
Derivative Asset, Notional Amount $ 129,073,877 [3]
Unrealized Appreciation (Depreciation)/ Value $ 6,506,359
ProShares Ultra Bloomberg Crude Oil [Member] | Societe Generale [Member] | WTI Crude Oil Subindex [Member] | Bloomberg [Member]  
Schedule of Investments [Line Items]  
Rate Paid (Received) 0.25% [2]
Termination Date Apr. 08, 2024
Derivative Asset, Notional Amount $ 195,835,168 [3]
Unrealized Appreciation (Depreciation)/ Value $ 9,882,872
ProShares Ultra Bloomberg Crude Oil [Member] | UBS AG [Member] | WTI Crude Oil Subindex [Member] | Bloomberg [Member]  
Schedule of Investments [Line Items]  
Rate Paid (Received) 0.30% [2]
Termination Date Apr. 08, 2024
Derivative Asset, Notional Amount $ 154,892,648 [3]
Unrealized Appreciation (Depreciation)/ Value 7,812,265
ProShares Ultra Gold [Member]  
Schedule of Investments [Line Items]  
Unrealized Appreciation (Depreciation)/ Value $ 7,535,027
ProShares Ultra Gold [Member] | Citibank N.A. [Member] | Gold Subindex [Member] | Bloomberg [Member]  
Schedule of Investments [Line Items]  
Rate Paid (Received) 0.25% [2]
Termination Date Apr. 08, 2024
Derivative Asset, Notional Amount $ 123,084,977 [3]
Unrealized Appreciation (Depreciation)/ Value $ 3,235,432
ProShares Ultra Gold [Member] | Goldman Sachs International [Member] | Gold Subindex [Member] | Bloomberg [Member]  
Schedule of Investments [Line Items]  
Rate Paid (Received) 0.25% [2]
Termination Date Apr. 08, 2024
Derivative Asset, Notional Amount $ 58,461,471 [3]
Unrealized Appreciation (Depreciation)/ Value $ 1,536,727
ProShares Ultra Gold [Member] | UBS AG [Member] | Gold Subindex [Member] | Bloomberg [Member]  
Schedule of Investments [Line Items]  
Rate Paid (Received) 0.25% [2]
Termination Date Apr. 08, 2024
Derivative Asset, Notional Amount $ 105,107,323 [3]
Unrealized Appreciation (Depreciation)/ Value 2,762,868
ProShares Ultra Silver [Member]  
Schedule of Investments [Line Items]  
Unrealized Appreciation (Depreciation)/ Value $ 8,532,455
ProShares Ultra Silver [Member] | Citibank N.A. [Member] | Silver Subindex [Member] | Bloomberg [Member]  
Schedule of Investments [Line Items]  
Rate Paid (Received) 0.25% [2]
Termination Date Apr. 08, 2024
Derivative Asset, Notional Amount $ 183,114,057 [3]
Unrealized Appreciation (Depreciation)/ Value $ 3,081,663
ProShares Ultra Silver [Member] | Goldman Sachs International [Member] | Silver Subindex [Member] | Bloomberg [Member]  
Schedule of Investments [Line Items]  
Rate Paid (Received) 0.30% [2]
Termination Date Apr. 08, 2024
Derivative Asset, Notional Amount $ 22,879,089 [3]
Unrealized Appreciation (Depreciation)/ Value $ 384,359
ProShares Ultra Silver [Member] | Morgan Stanley & Co. International PLC [Member] | Silver Subindex [Member] | Bloomberg [Member]  
Schedule of Investments [Line Items]  
Rate Paid (Received) 0.30% [2]
Termination Date Apr. 08, 2024
Derivative Asset, Notional Amount $ 155,225,776 [3]
Unrealized Appreciation (Depreciation)/ Value $ 2,607,725
ProShares Ultra Silver [Member] | UBS AG [Member] | Silver Subindex [Member] | Bloomberg [Member]  
Schedule of Investments [Line Items]  
Rate Paid (Received) 0.25% [2]
Termination Date Apr. 08, 2024
Derivative Asset, Notional Amount $ 146,097,767 [3]
Unrealized Appreciation (Depreciation)/ Value 2,458,708
ProShares UltraShort Gold [Member]  
Schedule of Investments [Line Items]  
Unrealized Appreciation (Depreciation)/ Value $ (481,581)
ProShares UltraShort Gold [Member] | Citibank N.A. [Member] | Gold Subindex [Member] | Bloomberg [Member]  
Schedule of Investments [Line Items]  
Rate Paid (Received) 0.25% [2]
Termination Date Apr. 08, 2024
Derivative Liability, Notional Amount $ (4,178,267) [3]
Unrealized Appreciation (Depreciation)/ Value $ (111,058)
ProShares UltraShort Gold [Member] | Goldman Sachs International [Member] | Gold Subindex [Member] | Bloomberg [Member]  
Schedule of Investments [Line Items]  
Rate Paid (Received) 0.20% [2]
Termination Date Apr. 08, 2024
Derivative Liability, Notional Amount $ (5,476,095) [3]
Unrealized Appreciation (Depreciation)/ Value $ (145,392)
ProShares UltraShort Gold [Member] | UBS AG [Member] | Gold Subindex [Member] | Bloomberg [Member]  
Schedule of Investments [Line Items]  
Rate Paid (Received) 0.25% [2]
Termination Date Apr. 08, 2024
Derivative Liability, Notional Amount $ (8,470,022) [3]
Unrealized Appreciation (Depreciation)/ Value (225,131)
Proshares Ultra Short Silver [Member]  
Schedule of Investments [Line Items]  
Unrealized Appreciation (Depreciation)/ Value $ (482,510)
Proshares Ultra Short Silver [Member] | Citibank N.A. [Member] | Silver Subindex [Member] | Bloomberg [Member]  
Schedule of Investments [Line Items]  
Rate Paid (Received) 0.25% [2]
Termination Date Apr. 08, 2024
Derivative Liability, Notional Amount $ (5,353,674) [3]
Unrealized Appreciation (Depreciation)/ Value $ (91,685)
Proshares Ultra Short Silver [Member] | Goldman Sachs International [Member] | Silver Subindex [Member] | Bloomberg [Member]  
Schedule of Investments [Line Items]  
Rate Paid (Received) 0.25% [2]
Termination Date Apr. 08, 2024
Derivative Liability, Notional Amount $ (10,145,879) [3]
Unrealized Appreciation (Depreciation)/ Value $ (173,752)
Proshares Ultra Short Silver [Member] | Morgan Stanley & Co. International PLC [Member] | Silver Subindex [Member] | Bloomberg [Member]  
Schedule of Investments [Line Items]  
Rate Paid (Received) 0.30% [2]
Termination Date Apr. 08, 2024
Derivative Liability, Notional Amount $ (1,399,517) [3]
Unrealized Appreciation (Depreciation)/ Value $ (24,009)
Proshares Ultra Short Silver [Member] | UBS AG [Member] | Silver Subindex [Member] | Bloomberg [Member]  
Schedule of Investments [Line Items]  
Rate Paid (Received) 0.25% [2]
Termination Date Apr. 08, 2024
Derivative Liability, Notional Amount $ (11,273,405) [3]
Unrealized Appreciation (Depreciation)/ Value $ (193,064)
[1] The positions and counterparties herein are as of March 31, 2024. The Fund continually evaluates different counterparties for their transactions and counterparties are subject to change. New counterparties can be added at any time.
[2] Reflects the floating financing rate, as of March 31, 2024, on the notional amount of the swap agreement paid to the counterparty or received from the counterparty, excluding any commissions. Total Return Swap Agreements payment is due at termination/maturity.
[3] For swap agreements, a positive amount represents “long” exposure to the benchmark index. A negative amount represents “short” exposure to the benchmark index.