v3.25.2
Schedule of Investments - Total Return Swap Agreements (Detail) - Swap Agreements [Member]
 6 Months Ended
Jun. 30, 2025
USD ($)
 [1]
ProShares Ultra Bloomberg Crude Oil [Member]  
Schedule of Investments [Line Items]  
Unrealized Appreciation (Depreciation)/Value $ 4,023,623
ProShares Ultra Bloomberg Crude Oil [Member] | WTI Crude Oil Subindex [Member] | Bloomberg [Member]  
Schedule of Investments [Line Items]  
Termination Date Jul. 07, 2025
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 Jul. 07, 2025
Notional Amount at Value $ 50,274,921 [3]
Unrealized Appreciation (Depreciation)/Value $ 359,481
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 Jul. 07, 2025
Notional Amount at Value $ 218,162,730 [3]
Unrealized Appreciation (Depreciation)/Value $ 1,559,931
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]
Notional Amount at Value $ 66,274,912 [3]
Unrealized Appreciation (Depreciation)/Value $ 473,886
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 Jul. 07, 2025
Notional Amount at Value $ 165,600,250 [3]
Unrealized Appreciation (Depreciation)/Value $ 1,194,901
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 Jul. 07, 2025
Notional Amount at Value $ 60,619,225 [3]
Unrealized Appreciation (Depreciation)/Value 435,424
ProShares Ultra Gold [Member]  
Schedule of Investments [Line Items]  
Unrealized Appreciation (Depreciation)/Value $ (4,726,020)
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 Jul. 07, 2025
Notional Amount at Value $ 170,146,720 [3]
Unrealized Appreciation (Depreciation)/Value $ (2,029,284)
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 Jul. 07, 2025
Notional Amount at Value $ 80,814,311 [3]
Unrealized Appreciation (Depreciation)/Value $ (963,847)
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 Jul. 07, 2025
Notional Amount at Value $ 145,295,281 [3]
Unrealized Appreciation (Depreciation)/Value (1,732,889)
ProShares Ultra Silver [Member]  
Schedule of Investments [Line Items]  
Unrealized Appreciation (Depreciation)/Value $ (6,471,374)
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 Jul. 07, 2025
Notional Amount at Value $ 349,579,617 [3]
Unrealized Appreciation (Depreciation)/Value $ (2,876,199)
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 Jul. 07, 2025
Notional Amount at Value $ 30,768,707 [3]
Unrealized Appreciation (Depreciation)/Value $ (254,172)
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 Jul. 07, 2025
Notional Amount at Value $ 208,753,789 [3]
Unrealized Appreciation (Depreciation)/Value $ (1,724,461)
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 Jul. 07, 2025
Notional Amount at Value $ 196,478,081 [3]
Unrealized Appreciation (Depreciation)/Value (1,616,542)
ProShares UltraShort Gold [Member]  
Schedule of Investments [Line Items]  
Unrealized Appreciation (Depreciation)/Value $ 1,407,997
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 Jul. 07, 2025
Notional Amount at Value $ (102,141,663) [3]
Unrealized Appreciation (Depreciation)/Value $ 1,184,233
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 Jul. 07, 2025
Notional Amount at Value $ (7,569,889) [3]
Unrealized Appreciation (Depreciation)/Value $ 88,017
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 Jul. 07, 2025
Notional Amount at Value $ (11,708,549) [3]
Unrealized Appreciation (Depreciation)/Value 135,747
Proshares Ultra Short Silver [Member]  
Schedule of Investments [Line Items]  
Unrealized Appreciation (Depreciation)/Value $ 287,652
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 Jul. 07, 2025
Notional Amount at Value $ (19,107,003) [3]
Unrealized Appreciation (Depreciation)/Value $ 150,872
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 Jul. 07, 2025
Notional Amount at Value $ (13,644,581) [3]
Unrealized Appreciation (Depreciation)/Value $ 107,740
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 Jul. 07, 2025
Notional Amount at Value $ (1,882,126) [3]
Unrealized Appreciation (Depreciation)/Value $ 14,799
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 Jul. 07, 2025
Notional Amount at Value $ (1,803,827) [3]
Unrealized Appreciation (Depreciation)/Value $ 14,241
[1] The positions and counterparties herein are as of June 30, 2025. 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 June 30, 2025, 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.