v3.25.2
Investments - Gross Amounts Not Offset in Statements of Financial Condition (Detail) - USD ($)
Jun. 30, 2025
Dec. 31, 2024
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 $ 359,481 $ 7,607,910
Financial Instruments for the Benefit of (the Funds) / the Counterparties (359,481) (6,395,678)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 0
Net Amounts 0 1,212,232
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 1,559,931 12,024,863
Financial Instruments for the Benefit of (the Funds) / the Counterparties (1,559,931) (10,093,437)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 0
Net Amounts 0 1,931,426
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 473,886 3,652,992
Financial Instruments for the Benefit of (the Funds) / the Counterparties (473,886) (3,010,925)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 0
Net Amounts 0 642,067
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 1,194,901 9,139,394
Financial Instruments for the Benefit of (the Funds) / the Counterparties (1,194,901) (7,689,268)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 0
Net Amounts 0 1,450,126
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 435,424 5,790,451
Financial Instruments for the Benefit of (the Funds) / the Counterparties (318,137) (4,212,271)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 0
Net Amounts 117,287 1,578,180
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 224,049 (84,115)
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 84,115
Net Amounts 224,049 0
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 219,471 (83,013)
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 83,013
Net Amounts 219,471 0
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 (2,029,284) (1,008,254)
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 1,008,254
Cash Collateral for the Benefit of (the Funds) / the Counterparties 2,029,284 0
Net Amounts 0 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 (963,847) (478,889)
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 478,889
Cash Collateral for the Benefit of (the Funds) / the Counterparties 963,847 0
Net Amounts 0 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 (1,732,889) (860,989)
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 860,989
Cash Collateral for the Benefit of (the Funds) / the Counterparties 1,732,889 0
Net Amounts 0 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 (2,876,199) (23,367,397)
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 15,165,751
Cash Collateral for the Benefit of (the Funds) / the Counterparties 2,876,199 8,201,646
Net Amounts 0 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 (254,172) (2,057,658)
Financial Instruments for the Benefit of (the Funds) / the Counterparties 254,172 2,057,658
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 0
Net Amounts 0 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 (1,724,461) (13,960,418)
Financial Instruments for the Benefit of (the Funds) / the Counterparties 1,724,460 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 1 13,960,418
Net Amounts 0 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 (1,616,542) (13,133,435)
Financial Instruments for the Benefit of (the Funds) / the Counterparties 1,616,542 13,133,435
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 0
Net Amounts 0 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 374,599 (2,164,084)
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 2,164,084
Net Amounts 374,599 0
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 361,773 (2,051,213)
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 2,051,213
Net Amounts 361,773 0
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 (912,686) 584,165
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 (507,449)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 912,686 0
Net Amounts 0 76,716
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 (813,613) 572,885
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 (271,576)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 813,613 0
Net Amounts 0 301,309
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 1,184,233 32,589
Financial Instruments for the Benefit of (the Funds) / the Counterparties (1,184,233) 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 0
Net Amounts 0 32,589
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 88,017 42,928
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 0
Net Amounts 88,017 42,928
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 135,747 66,064
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 0
Net Amounts 135,747 66,064
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 150,872 1,653,589
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 (1,565,508)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 0
Net Amounts 150,872 88,081
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 107,740 907,867
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 (865,802)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 0
Net Amounts 107,740 42,065
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 14,799 125,172
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 0
Net Amounts 14,799 125,172
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 14,241 267,390
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 0
Net Amounts 14,241 267,390
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 (136,883) 1,253,912
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 (1,241,201)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 136,883 0
Net Amounts 0 12,711
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 (150,118) 974,447
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 (954,822)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 150,118 0
Net Amounts $ 0 $ 19,625