v3.24.3
Investments - Gross Amounts Not Offset in Statements of Financial Condition (Detail) - USD ($)
Jun. 30, 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 $ 12,016,665 $ 3,938,035
Financial Instruments for the Benefit of (the Funds) / the Counterparties (12,016,665) (3,938,035)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 0
Net Amounts 0 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 16,489,562 4,896,240
Financial Instruments for the Benefit of (the Funds) / the Counterparties (16,489,562) (4,896,240)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 0
Net Amounts 0 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 5,009,308 2,449,576
Financial Instruments for the Benefit of (the Funds) / the Counterparties (5,009,308) (2,449,576)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 0
Net Amounts 0 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 12,527,793 3,727,284
Financial Instruments for the Benefit of (the Funds) / the Counterparties (12,527,793) (3,727,284)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 0
Net Amounts 0 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 9,904,264 2,943,800
Financial Instruments for the Benefit of (the Funds) / the Counterparties (9,904,264) (2,943,800)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 0
Net Amounts 0 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 (61,066) 162,672
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 61,066 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 (79,332) 144,277
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 79,332 0
Net Amounts 0 144,277
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 (2,813,616) 1,321,903
Financial Instruments for the Benefit of (the Funds) / the Counterparties 2,071,616 (1,321,903)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 742,000 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 (1,336,379) 627,862
Financial Instruments for the Benefit of (the Funds) / the Counterparties 1,336,379 (627,862)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 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 (2,402,662) 1,128,828
Financial Instruments for the Benefit of (the Funds) / the Counterparties 2,402,662 (1,128,828)
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 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 (21,980,835) (906,324)
Financial Instruments for the Benefit of (the Funds) / the Counterparties 3,132,135 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 18,848,700 906,324
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 (1,935,532) (135,877)
Financial Instruments for the Benefit of (the Funds) / the Counterparties 1,935,532 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 135,877
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 (13,131,835) (921,875)
Financial Instruments for the Benefit of (the Funds) / the Counterparties 13,131,835 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 921,875
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 (12,354,131) (863,145)
Financial Instruments for the Benefit of (the Funds) / the Counterparties 12,354,131 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 863,145
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 (1,433,088) 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 1,433,088 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 (1,468,970) 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 1,468,970 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 499,276 (964,142)
Financial Instruments for the Benefit of (the Funds) / the Counterparties (430,882) 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 964,142
Net Amounts 68,394 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 420,673 (884,637)
Financial Instruments for the Benefit of (the Funds) / the Counterparties (356,181) 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 884,637
Net Amounts 64,492 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 94,178 (46,103)
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 46,103
Net Amounts 94,178 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 123,607 (60,261)
Financial Instruments for the Benefit of (the Funds) / the Counterparties 0 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 60,261
Net Amounts 123,607 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 190,915 (93,457)
Financial Instruments for the Benefit of (the Funds) / the Counterparties (190,915) 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 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 1,555,716 126,314
Financial Instruments for the Benefit of (the Funds) / the Counterparties (1,555,716) 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 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 854,131 56,804
Financial Instruments for the Benefit of (the Funds) / the Counterparties (854,131) 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 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 117,766 7,793
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 117,766 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 949,050 (1,005,085)
Financial Instruments for the Benefit of (the Funds) / the Counterparties (949,050) 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 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 1,709,110 (701,077)
Financial Instruments for the Benefit of (the Funds) / the Counterparties (1,662,941) 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 701,077
Net Amounts 46,169 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 1,446,984 (610,848)
Financial Instruments for the Benefit of (the Funds) / the Counterparties (1,432,711) 0
Cash Collateral for the Benefit of (the Funds) / the Counterparties 0 610,848
Net Amounts $ 14,273 $ 0