v3.24.1.u1
Investments - Gross Amounts Not Offset in Statements of Financial Condition (Detail) - USD ($)
Mar. 31, 2024
Dec. 31, 2023
ProShares Ultra Bloomberg Crude Oil [Member] | Citibank, N.A. [Member]    
Cash Collateral for the Benefit of (the Funds) / the Counterparties    
Amounts of Recognized Assets / (Liabilities) presented in the Statements of Financial Condition $ 10,459,881 $ 3,938,035
Financial Instruments for the Benefit of (the Funds) / the Counterparties (7,619,374) (3,938,035)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 0
Net Amounts 2,840,507 0
ProShares Ultra Bloomberg Crude Oil [Member] | Goldman Sachs International [Member]    
Cash Collateral for the Benefit of (the Funds) / the Counterparties    
Amounts of Recognized Assets / (Liabilities) presented in the Statements of Financial Condition 13,004,988 4,896,240
Financial Instruments for the Benefit of (the Funds) / the Counterparties (9,569,805) (4,896,240)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 0
Net Amounts 3,435,183 0
ProShares Ultra Bloomberg Crude Oil [Member] | Morgan Stanley & Co. International PLC [Member]    
Cash Collateral for the Benefit of (the Funds) / the Counterparties    
Amounts of Recognized Assets / (Liabilities) presented in the Statements of Financial Condition 6,506,359 2,449,576
Financial Instruments for the Benefit of (the Funds) / the Counterparties (4,940,096) (2,449,576)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 0
Net Amounts 1,566,263 0
ProShares Ultra Bloomberg Crude Oil [Member] | Societe Generale [Member]    
Cash Collateral for the Benefit of (the Funds) / the Counterparties    
Amounts of Recognized Assets / (Liabilities) presented in the Statements of Financial Condition 9,882,872 3,727,284
Financial Instruments for the Benefit of (the Funds) / the Counterparties (7,241,166) (3,727,284)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 0
Net Amounts 2,641,706 0
ProShares Ultra Bloomberg Crude Oil [Member] | UBS AG [Member]    
Cash Collateral for the Benefit of (the Funds) / the Counterparties    
Amounts of Recognized Assets / (Liabilities) presented in the Statements of Financial Condition 7,812,265 2,943,800
Financial Instruments for the Benefit of (the Funds) / the Counterparties (5,715,005) (2,943,800)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 0
Net Amounts 2,097,260 0
ProShares Ultra Euro [Member] | Goldman Sachs International [Member]    
Cash Collateral for the Benefit of (the Funds) / the Counterparties    
Amounts of Recognized Assets / (Liabilities) presented in the Statements of Financial Condition (90,225) 162,672
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 90,225 0
Net Amounts 0 162,672
ProShares Ultra Euro [Member] | UBS AG [Member]    
Cash Collateral for the Benefit of (the Funds) / the Counterparties    
Amounts of Recognized Assets / (Liabilities) presented in the Statements of Financial Condition (112,340) 144,277
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 96,000 0
Net Amounts (16,340) 144,277
ProShares Ultra Gold [Member] | Citibank, N.A. [Member]    
Cash Collateral for the Benefit of (the Funds) / the Counterparties    
Amounts of Recognized Assets / (Liabilities) presented in the Statements of Financial Condition 3,235,432 1,321,903
Financial Instruments for the Benefit of (the Funds) / the Counterparties (1,854,908) (1,321,903)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 0
Net Amounts 1,380,524 0
ProShares Ultra Gold [Member] | Goldman Sachs International [Member]    
Cash Collateral for the Benefit of (the Funds) / the Counterparties    
Amounts of Recognized Assets / (Liabilities) presented in the Statements of Financial Condition 1,536,727 627,862
Financial Instruments for the Benefit of (the Funds) / the Counterparties (899,187) (627,862)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 0
Net Amounts 637,540 0
ProShares Ultra Gold [Member] | UBS AG [Member]    
Cash Collateral for the Benefit of (the Funds) / the Counterparties    
Amounts of Recognized Assets / (Liabilities) presented in the Statements of Financial Condition 2,762,868 1,128,828
Financial Instruments for the Benefit of (the Funds) / the Counterparties (1,568,634) (1,128,828)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 0
Net Amounts 1,194,234 0
ProShares Ultra Silver [Member] | Citibank, N.A. [Member]    
Cash Collateral for the Benefit of (the Funds) / the Counterparties    
Amounts of Recognized Assets / (Liabilities) presented in the Statements of Financial Condition 3,081,663 (906,324)
Financial Instruments for the Benefit of (the Funds) / the Counterparties (1,908,038) 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 906,324
Net Amounts 1,173,625 0
ProShares Ultra Silver [Member] | Goldman Sachs International [Member]    
Cash Collateral for the Benefit of (the Funds) / the Counterparties    
Amounts of Recognized Assets / (Liabilities) presented in the Statements of Financial Condition 384,359 (135,877)
Financial Instruments for the Benefit of (the Funds) / the Counterparties (341,967) 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 135,877
Net Amounts 42,392 0
ProShares Ultra Silver [Member] | Morgan Stanley & Co. International PLC [Member]    
Cash Collateral for the Benefit of (the Funds) / the Counterparties    
Amounts of Recognized Assets / (Liabilities) presented in the Statements of Financial Condition 2,607,725 (921,875)
Financial Instruments for the Benefit of (the Funds) / the Counterparties (804,404) 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 921,875
Net Amounts 1,803,321 0
ProShares Ultra Silver [Member] | UBS AG [Member]    
Cash Collateral for the Benefit of (the Funds) / the Counterparties    
Amounts of Recognized Assets / (Liabilities) presented in the Statements of Financial Condition 2,458,708 (863,145)
Financial Instruments for the Benefit of (the Funds) / the Counterparties (1,535,526) 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 863,145
Net Amounts 923,182 0
ProShares Ultra Yen [Member] | Goldman Sachs International [Member]    
Cash Collateral for the Benefit of (the Funds) / the Counterparties    
Amounts of Recognized Assets / (Liabilities) presented in the Statements of Financial Condition (954,143) 646,861
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 (465,767)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 954,143 0
Net Amounts 0 181,094
ProShares Ultra Yen [Member] | UBS AG [Member]    
Cash Collateral for the Benefit of (the Funds) / the Counterparties    
Amounts of Recognized Assets / (Liabilities) presented in the Statements of Financial Condition (1,105,503) 872,424
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 (618,104)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 1,105,503 0
Net Amounts 0 254,320
ProShares UltraShort Euro [Member] | Goldman Sachs International [Member]    
Cash Collateral for the Benefit of (the Funds) / the Counterparties    
Amounts of Recognized Assets / (Liabilities) presented in the Statements of Financial Condition 587,358 (964,142)
Financial Instruments for the Benefit of (the Funds) / the Counterparties (286,766) 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 964,142
Net Amounts 300,592 0
ProShares UltraShort Euro [Member] | UBS AG [Member]    
Cash Collateral for the Benefit of (the Funds) / the Counterparties    
Amounts of Recognized Assets / (Liabilities) presented in the Statements of Financial Condition 531,596 (884,637)
Financial Instruments for the Benefit of (the Funds) / the Counterparties (266,627) 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 884,637
Net Amounts 264,969 0
ProShares UltraShort Gold [Member] | Citibank, N.A. [Member]    
Cash Collateral for the Benefit of (the Funds) / the Counterparties    
Amounts of Recognized Assets / (Liabilities) presented in the Statements of Financial Condition (111,058) (46,103)
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 111,058 46,103
Net Amounts 0 0
ProShares UltraShort Gold [Member] | Goldman Sachs International [Member]    
Cash Collateral for the Benefit of (the Funds) / the Counterparties    
Amounts of Recognized Assets / (Liabilities) presented in the Statements of Financial Condition (145,392) (60,261)
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 145,392 60,261
Net Amounts 0 0
ProShares UltraShort Gold [Member] | UBS AG [Member]    
Cash Collateral for the Benefit of (the Funds) / the Counterparties    
Amounts of Recognized Assets / (Liabilities) presented in the Statements of Financial Condition (225,131) (93,457)
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 225,131 93,457
Net Amounts 0 0
ProShares UltraShort Silver [Member] | Citibank, N.A. [Member]    
Cash Collateral for the Benefit of (the Funds) / the Counterparties    
Amounts of Recognized Assets / (Liabilities) presented in the Statements of Financial Condition (91,685) 126,314
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 91,685 0
Net Amounts 0 126,314
ProShares UltraShort Silver [Member] | Goldman Sachs International [Member]    
Cash Collateral for the Benefit of (the Funds) / the Counterparties    
Amounts of Recognized Assets / (Liabilities) presented in the Statements of Financial Condition (173,752) 56,804
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 173,752 0
Net Amounts 0 56,804
ProShares UltraShort Silver [Member] | Morgan Stanley & Co. International PLC [Member]    
Cash Collateral for the Benefit of (the Funds) / the Counterparties    
Amounts of Recognized Assets / (Liabilities) presented in the Statements of Financial Condition (24,009) 7,793
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 24,009 0
Net Amounts 0 7,793
ProShares UltraShort Silver [Member] | UBS AG [Member]    
Cash Collateral for the Benefit of (the Funds) / the Counterparties    
Amounts of Recognized Assets / (Liabilities) presented in the Statements of Financial Condition (193,064) (1,005,085)
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 193,064 1,005,085
Net Amounts 0 0
ProShares UltraShort Yen [Member] | Goldman Sachs International [Member]    
Cash Collateral for the Benefit of (the Funds) / the Counterparties    
Amounts of Recognized Assets / (Liabilities) presented in the Statements of Financial Condition 715,090 (701,077)
Financial Instruments for the Benefit of (the Funds) / the Counterparties (603,220) 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 701,077
Net Amounts 111,870 0
ProShares UltraShort Yen [Member] | UBS AG [Member]    
Cash Collateral for the Benefit of (the Funds) / the Counterparties    
Amounts of Recognized Assets / (Liabilities) presented in the Statements of Financial Condition 911,137 (610,848)
Financial Instruments for the Benefit of (the Funds) / the Counterparties (738,210) 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 610,848
Net Amounts $ 172,927 $ 0