v3.24.0.1
Schedule of Investments - Total Return Swap Agreements (Detail) - Swap Agreements [Member] - USD ($)
 12 Months Ended
Dec. 31, 2023
 [1]
Dec. 31, 2022
 [2]
ProShares Ultra Bloomberg Crude Oil [Member]    
Schedule of Investments [Line Items]    
Unrealized Appreciation (Depreciation)/ Value $ 17,954,935 $ 74,159,577
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% [3] 0.35% [4]
Termination Date Jan. 08, 2024 Jan. 06, 2023
Derivative Asset, Notional Amount [5] $ 184,008,385 $ 190,907,386
Unrealized Appreciation (Depreciation)/ Value $ 3,938,035 $ 11,723,388
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% [3] 0.35% [4]
Termination Date Jan. 08, 2024 Jan. 06, 2023
Derivative Asset, Notional Amount [5] $ 228,781,478 $ 237,359,151
Unrealized Appreciation (Depreciation)/ Value $ 4,896,240 $ 14,575,933
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% [3] 0.35% [4]
Termination Date Jan. 08, 2024 Jan. 06, 2023
Derivative Asset, Notional Amount [5] $ 114,458,740 $ 330,659,477
Unrealized Appreciation (Depreciation)/ Value $ 2,449,576 $ 20,305,392
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% [3] 0.25% [4]
Termination Date Jan. 08, 2024 Jan. 06, 2023
Derivative Asset, Notional Amount [5] $ 173,660,597 $ 180,171,630
Unrealized Appreciation (Depreciation)/ Value $ 3,727,284 $ 11,075,235
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% [3] 0.30% [4]
Termination Date Jan. 08, 2024 Jan. 06, 2023
Derivative Asset, Notional Amount [5] $ 137,354,031 $ 268,224,768
Unrealized Appreciation (Depreciation)/ Value 2,943,800 16,479,629
ProShares Ultra Gold [Member]    
Schedule of Investments [Line Items]    
Unrealized Appreciation (Depreciation)/ Value $ 3,078,593 $ 6,496,466
ProShares Ultra Gold [Member] | Citibank N.A. [Member] | Gold Subindex [Member] | Bloomberg [Member]    
Schedule of Investments [Line Items]    
Rate Paid (Received) 0.25% [3] 0.25% [4]
Termination Date Jan. 08, 2024 Jan. 06, 2023
Derivative Asset, Notional Amount [5] $ 116,159,653 $ 108,414,576
Unrealized Appreciation (Depreciation)/ Value $ 1,321,903 $ 2,582,849
ProShares Ultra Gold [Member] | Goldman Sachs International [Member] | Gold Subindex [Member] | Bloomberg [Member]    
Schedule of Investments [Line Items]    
Rate Paid (Received) 0.25% [3] 0.25% [4]
Termination Date Jan. 08, 2024 Jan. 06, 2023
Derivative Asset, Notional Amount [5] $ 55,172,161 $ 51,493,495
Unrealized Appreciation (Depreciation)/ Value $ 627,862 $ 1,226,772
ProShares Ultra Gold [Member] | UBS AG [Member] | Gold Subindex [Member] | Bloomberg [Member]    
Schedule of Investments [Line Items]    
Rate Paid (Received) 0.25% [3] 0.25% [4]
Termination Date Jan. 08, 2024 Jan. 06, 2023
Derivative Asset, Notional Amount [5] $ 99,193,505 $ 112,779,772
Unrealized Appreciation (Depreciation)/ Value 1,128,828 2,686,845
ProShares Ultra Silver [Member]    
Schedule of Investments [Line Items]    
Unrealized Appreciation (Depreciation)/ Value $ (2,827,221) $ 39,224,212
ProShares Ultra Silver [Member] | Citibank N.A. [Member] | Silver Subindex [Member] | Bloomberg [Member]    
Schedule of Investments [Line Items]    
Rate Paid (Received) 0.25% [3] 0.25% [4]
Termination Date Jan. 08, 2024 Jan. 06, 2023
Derivative Asset, Notional Amount [5] $ 149,709,309 $ 178,442,142
Unrealized Appreciation (Depreciation)/ Value $ (906,324) $ 12,628,472
ProShares Ultra Silver [Member] | Goldman Sachs International [Member] | Silver Subindex [Member] | Bloomberg [Member]    
Schedule of Investments [Line Items]    
Rate Paid (Received) 0.30% [3] 0.30% [4]
Termination Date Jan. 08, 2024 Jan. 06, 2023
Derivative Asset, Notional Amount [5] $ 22,327,683 $ 23,573,901
Unrealized Appreciation (Depreciation)/ Value $ (135,877) $ 1,667,621
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% [3] 0.30% [4]
Termination Date Jan. 08, 2024 Jan. 06, 2023
Derivative Asset, Notional Amount [5] $ 151,484,700 $ 195,959,211
Unrealized Appreciation (Depreciation)/ Value $ (921,875) $ 13,862,180
ProShares Ultra Silver [Member] | UBS AG [Member] | Silver Subindex [Member] | Bloomberg [Member]    
Schedule of Investments [Line Items]    
Rate Paid (Received) 0.25% [3] 0.25% [4]
Termination Date Jan. 08, 2024 Jan. 06, 2023
Derivative Asset, Notional Amount [5] $ 142,576,685 $ 156,363,322
Unrealized Appreciation (Depreciation)/ Value (863,145) 11,065,939
ProShares UltraShort Gold [Member]    
Schedule of Investments [Line Items]    
Unrealized Appreciation (Depreciation)/ Value $ (199,821) $ (592,957)
ProShares UltraShort Gold [Member] | Citibank N.A. [Member] | Gold Subindex [Member] | Bloomberg [Member]    
Schedule of Investments [Line Items]    
Rate Paid (Received) 0.25% [3] 0.25% [4]
Termination Date Jan. 08, 2024 Jan. 06, 2023
Derivative Liability, Notional Amount [5] $ (3,943,178) $ (7,508,482)
Unrealized Appreciation (Depreciation)/ Value $ (46,103) $ (181,291)
ProShares UltraShort Gold [Member] | Goldman Sachs International [Member] | Gold Subindex [Member] | Bloomberg [Member]    
Schedule of Investments [Line Items]    
Rate Paid (Received) 0.20% [3] 0.20% [4]
Termination Date Jan. 08, 2024 Jan. 06, 2023
Derivative Liability, Notional Amount [5] $ (5,167,985) $ (9,602,167)
Unrealized Appreciation (Depreciation)/ Value $ (60,261) $ (231,533)
ProShares UltraShort Gold [Member] | UBS AG [Member] | Gold Subindex [Member] | Bloomberg [Member]    
Schedule of Investments [Line Items]    
Rate Paid (Received) 0.25% [3] 0.25% [4]
Termination Date Jan. 08, 2024 Jan. 06, 2023
Derivative Liability, Notional Amount [5] $ (7,993,460) $ (7,460,487)
Unrealized Appreciation (Depreciation)/ Value (93,457) (180,133)
Proshares Ultra Short Silver [Member]    
Schedule of Investments [Line Items]    
Unrealized Appreciation (Depreciation)/ Value $ (814,174) $ (1,722,623)
Proshares Ultra Short Silver [Member] | Citibank N.A. [Member] | Silver Subindex [Member] | Bloomberg [Member]    
Schedule of Investments [Line Items]    
Rate Paid (Received) 0.25% [3] 0.25% [4]
Termination Date Jan. 08, 2024 Jan. 06, 2023
Derivative Liability, Notional Amount [5] $ (22,017,624) $ (2,869,720)
Unrealized Appreciation (Depreciation)/ Value $ 126,314 $ (203,969)
Proshares Ultra Short Silver [Member] | Goldman Sachs International [Member] | Silver Subindex [Member] | Bloomberg [Member]    
Schedule of Investments [Line Items]    
Rate Paid (Received) 0.25% [3] 0.25% [4]
Termination Date Jan. 08, 2024 Jan. 06, 2023
Derivative Liability, Notional Amount [5] $ (9,901,355) $ (10,453,997)
Unrealized Appreciation (Depreciation)/ Value $ 56,804 $ (743,029)
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% [3] 0.30% [4]
Termination Date Jan. 08, 2024 Jan. 06, 2023
Derivative Liability, Notional Amount [5] $ (1,365,787) $ (8,265,858)
Unrealized Appreciation (Depreciation)/ Value $ 7,793 $ (587,758)
Proshares Ultra Short Silver [Member] | UBS AG [Member] | Silver Subindex [Member] | Bloomberg [Member]    
Schedule of Investments [Line Items]    
Rate Paid (Received) 0.25% [3] 0.25% [4]
Termination Date Jan. 08, 2024 Jan. 06, 2023
Derivative Liability, Notional Amount [5] $ (23,534,661) $ (2,643,157)
Unrealized Appreciation (Depreciation)/ Value $ (1,005,085) $ (187,867)
[1] The positions and counterparties herein are as of December 31, 2023. The Fund continually evaluates different counterparties for their transactions and counterparties are subject to change. New counterparties can be added at any time.
[2] The positions and counterparties herein are as of December 31, 2022. The Fund continually evaluates different counterparties for their transactions and counterparties are subject to change. New counterparties can be added at any time.
[3] Reflects the floating financing rate, as of December 31, 2023, 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.
[4] Reflects the floating financing rate, as of December 31, 2022, 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.
[5] For swap agreements, a positive amount represents “long” exposure to the benchmark index. A negative amount represents “short” exposure to the benchmark index.