v3.22.2
Schedule of Investments - Short-Term U.S. Government and Agency Obligations (Detail) - U.S. Government Agencies Short-term Debt Securities [Member] - USD ($)
Jun. 30, 2022
Dec. 31, 2021
Schedule of Investments [Line Items]    
Short-term U.S. government and agency obligations, value $ 2,082,952,015 $ 2,505,429,337
ProShares Short VIX Short-Term Futures ETF [Member]    
Schedule of Investments [Line Items]    
Short-term U.S. government and agency obligations, value 151,418,355 147,815,719
ProShares Short VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.967% due 07/14/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1] 25,000,000  
Short-term U.S. government and agency obligations, value [1] 24,989,618  
ProShares Short VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 1.014% due 07/21/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1] 50,000,000  
Short-term U.S. government and agency obligations, value [1] 49,970,140  
ProShares Short VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.223% due 11/03/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1] 77,000,000  
Short-term U.S. government and agency obligations, value [1] 76,458,597  
ProShares Ultra Bloomberg Crude Oil [Member]    
Schedule of Investments [Line Items]    
Short-term U.S. government and agency obligations, value 526,423,284 848,757,567
ProShares Ultra Bloomberg Crude Oil [Member] | Federal Home Loan Discount Notes 1.000% due 07/01/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1] 150,000,000  
Short-term U.S. government and agency obligations, value [1] 150,000,000  
ProShares Ultra Bloomberg Crude Oil [Member] | U.S. Treasury Bills 0.393% due 07/21/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1],[2] 47,000,000  
Short-term U.S. government and agency obligations, value [1],[2] 46,971,932  
ProShares Ultra Bloomberg Crude Oil [Member] | U.S. Treasury Bills 0.706% due 08/18/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1],[2] 150,000,000  
Short-term U.S. government and agency obligations, value [1],[2] 149,724,000  
ProShares Ultra Bloomberg Crude Oil [Member] | U.S. Treasury Bills 0.637% due 11/03/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1],[2] 181,000,000  
Short-term U.S. government and agency obligations, value [1],[2] 179,727,352  
ProShares Ultra Bloomberg Natural Gas [Member]    
Schedule of Investments [Line Items]    
Short-term U.S. government and agency obligations, value 105,739,904 90,922,438
ProShares Ultra Bloomberg Natural Gas [Member] | U.S. Treasury Bills 0.967% due 07/14/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1] 50,000,000  
Short-term U.S. government and agency obligations, value [1] 49,979,235  
ProShares Ultra Bloomberg Natural Gas [Member] | U.S. Treasury Bills 0.393% due 07/21/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1] 24,000,000  
Short-term U.S. government and agency obligations, value [1] 23,985,667  
ProShares Ultra Bloomberg Natural Gas [Member] | U.S. Treasury Bills 0.223% due 11/03/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1] 32,000,000  
Short-term U.S. government and agency obligations, value [1] 31,775,002  
ProShares Ultra Euro [Member]    
Schedule of Investments [Line Items]    
Short-term U.S. government and agency obligations, value 4,690,703 997,678
ProShares Ultra Euro [Member] | U.S. Treasury Bills 0.393% due 07/21/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1],[3] 4,000,000  
Short-term U.S. government and agency obligations, value [1],[3] 3,997,611  
ProShares Ultra Euro [Member] | U.S. Treasury Bills 0.554% due 11/03/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1],[3] 698,000  
Short-term U.S. government and agency obligations, value [1],[3] 693,092  
ProShares Ultra Gold [Member]    
Schedule of Investments [Line Items]    
Short-term U.S. government and agency obligations, value 208,696,447 207,956,320
ProShares Ultra Gold [Member] | U.S. Treasury Bills 0.967% due 07/14/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1] 25,000,000  
Short-term U.S. government and agency obligations, value [1] 24,989,618  
ProShares Ultra Gold [Member] | U.S. Treasury Bills 0.393% due 07/21/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1],[2] 95,000,000  
Short-term U.S. government and agency obligations, value [1],[2] 94,943,266  
ProShares Ultra Gold [Member] | U.S. Treasury Bills 0.706% due 08/18/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1],[2] 75,000,000  
Short-term U.S. government and agency obligations, value [1],[2] 74,862,000  
ProShares Ultra Gold [Member] | U.S. Treasury Bills 0.223% due 11/03/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1],[2] 14,000,000  
Short-term U.S. government and agency obligations, value [1],[2] 13,901,563  
ProShares Ultra Silver [Member]    
Schedule of Investments [Line Items]    
Short-term U.S. government and agency obligations, value 290,458,173 451,872,982
ProShares Ultra Silver [Member] | U.S. Treasury Bills 0.967% due 07/14/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1],[2] 50,000,000  
Short-term U.S. government and agency obligations, value [1],[2] 49,979,235  
ProShares Ultra Silver [Member] | U.S. Treasury Bills 0.818% due 07/21/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1],[2] 73,000,000  
Short-term U.S. government and agency obligations, value [1],[2] 72,956,405  
ProShares Ultra Silver [Member] | U.S. Treasury Bills 0.674% due 07/28/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1] 50,000,000  
Short-term U.S. government and agency obligations, value [1] 49,962,875  
ProShares Ultra Silver [Member] | U.S. Treasury Bills 0.706% due 08/18/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1],[2] 75,000,000  
Short-term U.S. government and agency obligations, value [1],[2] 74,862,000  
ProShares Ultra Silver [Member] | U.S. Treasury Bills 0.223% due 11/03/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1],[2] 43,000,000  
Short-term U.S. government and agency obligations, value [1],[2] 42,697,658  
ProShares Ultra VIX Short-Term Futures ETF [Member]    
Schedule of Investments [Line Items]    
Short-term U.S. government and agency obligations, value 243,251,317 221,660,593
ProShares Ultra VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.967% due 07/14/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1] 50,000,000  
Short-term U.S. government and agency obligations, value [1] 49,979,235  
ProShares Ultra VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.393% due 07/21/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1] 50,000,000  
Short-term U.S. government and agency obligations, value [1] 49,970,140  
ProShares Ultra VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.674% due 07/28/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1] 50,000,000  
Short-term U.S. government and agency obligations, value [1] 49,962,875  
ProShares Ultra VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.223% due 11/03/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1] 94,000,000  
Short-term U.S. government and agency obligations, value [1] 93,339,067  
Proshares Ultra Yen [Member]    
Schedule of Investments [Line Items]    
Short-term U.S. government and agency obligations, value 992,969  
Proshares Ultra Yen [Member] | U.S. Treasury Bills 0.554% due 11/03/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1],[3] 1,000,000  
Short-term U.S. government and agency obligations, value [1],[3] 992,969  
ProShares UltraShort Bloomberg Crude Oil [Member]    
Schedule of Investments [Line Items]    
Short-term U.S. government and agency obligations, value 232,635,606 55,916,023
ProShares UltraShort Bloomberg Crude Oil [Member] | U.S. Treasury Bills 0.967% due 07/14/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1] 75,000,000  
Short-term U.S. government and agency obligations, value [1] 74,968,852  
ProShares UltraShort Bloomberg Crude Oil [Member] | U.S. Treasury Bills 0.824% due 07/21/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1] 72,000,000  
Short-term U.S. government and agency obligations, value [1] 71,957,002  
ProShares UltraShort Bloomberg Crude Oil [Member] | U.S. Treasury Bills 0.674% due 07/28/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1] 50,000,000  
Short-term U.S. government and agency obligations, value [1] 49,962,875  
ProShares UltraShort Bloomberg Crude Oil [Member] | U.S. Treasury Bills 0.223% due 11/03/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1] 36,000,000  
Short-term U.S. government and agency obligations, value [1] 35,746,877  
ProShares UltraShort Bloomberg Natural Gas [Member]    
Schedule of Investments [Line Items]    
Short-term U.S. government and agency obligations, value 59,578,128 123,821,548
ProShares UltraShort Bloomberg Natural Gas [Member] | U.S. Treasury Bills 0.223% due 11/03/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1] 60,000,000  
Short-term U.S. government and agency obligations, value [1] 59,578,128  
ProShares UltraShort Euro [Member]    
Schedule of Investments [Line Items]    
Short-term U.S. government and agency obligations, value 19,885,112 46,961,125
ProShares UltraShort Euro [Member] | U.S. Treasury Bills 0.393% due 07/21/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1],[3] 4,000,000  
Short-term U.S. government and agency obligations, value [1],[3] 3,997,611  
ProShares UltraShort Euro [Member] | U.S. Treasury Bills 0.223% due 11/03/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1],[3] 16,000,000  
Short-term U.S. government and agency obligations, value [1],[3] 15,887,501  
ProShares UltraShort Gold [Member]    
Schedule of Investments [Line Items]    
Short-term U.S. government and agency obligations, value 13,940,167 25,980,516
ProShares UltraShort Gold [Member] | U.S. Treasury Bills 0.393% due 07/21/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1],[2] 6,000,000  
Short-term U.S. government and agency obligations, value [1],[2] 5,996,417  
ProShares UltraShort Gold [Member] | U.S. Treasury Bills 0.223% due 11/03/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1],[2] 8,000,000  
Short-term U.S. government and agency obligations, value [1],[2] 7,943,750  
ProShares UltraShort Silver [Member]    
Schedule of Investments [Line Items]    
Short-term U.S. government and agency obligations, value 12,979,368 22,994,261
ProShares UltraShort Silver [Member] | U.S. Treasury Bills 0.393% due 07/21/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1],[2] 11,000,000  
Short-term U.S. government and agency obligations, value [1],[2] 10,993,430  
ProShares UltraShort Silver [Member] | U.S. Treasury Bills 0.223% due 11/03/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1],[2] 2,000,000  
Short-term U.S. government and agency obligations, value [1],[2] 1,985,938  
ProShares UltraShort Yen [Member]    
Schedule of Investments [Line Items]    
Short-term U.S. government and agency obligations, value 10,961,261 20,987,825
ProShares UltraShort Yen [Member] | U.S. Treasury Bills 0.393% due 07/21/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1],[3] 6,000,000  
Short-term U.S. government and agency obligations, value [1],[3] 5,996,417  
ProShares UltraShort Yen [Member] | U.S. Treasury Bills 0.223% due 11/03/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1],[3] 5,000,000  
Short-term U.S. government and agency obligations, value [1],[3] 4,964,844  
ProShares VIX Mid-Term Futures ETF [Member]    
Schedule of Investments [Line Items]    
Short-term U.S. government and agency obligations, value 31,775,002 85,922,969
ProShares VIX Mid-Term Futures ETF [Member] | U.S. Treasury Bills 0.223% due 11/03/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1] 32,000,000  
Short-term U.S. government and agency obligations, value [1] 31,775,002  
ProShares VIX Short-Term Futures ETF [Member]    
Schedule of Investments [Line Items]    
Short-term U.S. government and agency obligations, value 169,526,219 $ 150,861,898
ProShares VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.967% due 07/14/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1] 25,000,000  
Short-term U.S. government and agency obligations, value [1] 24,989,618  
ProShares VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.894% due 07/21/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1] 62,000,000  
Short-term U.S. government and agency obligations, value [1] 61,962,973  
ProShares VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.674% due 07/28/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1] 25,000,000  
Short-term U.S. government and agency obligations, value [1] 24,981,438  
ProShares VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.223% due 11/03/22 [Member]    
Schedule of Investments [Line Items]    
Principal Amount [1] 58,000,000  
Short-term U.S. government and agency obligations, value [1] $ 57,592,190  
[1] Rates shown represent discount rate at the time of purchase.
[2] All or partial amount pledged as collateral for swap agreements.
[3] All or partial amount pledged as collateral for foreign currency forward contracts.