v3.22.2
Schedule of Investments - Futures Contracts Sold (Detail) - Futures Contracts [Member] - Contracts to Sell [Member]
Jun. 30, 2022
USD ($)
Contract
bbl
ProShares Short VIX Short-Term Futures ETF [Member]  
Schedule of Investments [Line Items]  
Unrealized Appreciation (Depreciation) $ 1,517,614
ProShares Short VIX Short-Term Futures ETF [Member] | VIX Futures—CBOE, expires July 2022 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 3,652
Notional Amount at Value $ 104,309,520
Unrealized Appreciation (Depreciation) $ 809,209
ProShares Short VIX Short-Term Futures ETF [Member] | VIX Futures—CBOE, expires August 2022 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | bbl 3,346
Notional Amount at Value $ 97,627,580
Unrealized Appreciation (Depreciation) 708,405
ProShares UltraShort Bloomberg Crude Oil [Member]  
Schedule of Investments [Line Items]  
Unrealized Appreciation (Depreciation) $ 28,516,831
ProShares UltraShort Bloomberg Crude Oil [Member] | WTI Crude Oil—NYMEX, expires September 2022 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 3,134
Notional Amount at Value $ 323,115,400
Unrealized Appreciation (Depreciation) $ 23,341,763
ProShares UltraShort Bloomberg Crude Oil [Member] | WTI Crude Oil—NYMEX, expires December 2022 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 3,605
Notional Amount at Value $ 344,493,800
Unrealized Appreciation (Depreciation) $ (352,389)
ProShares UltraShort Bloomberg Crude Oil [Member] | WTI Crude Oil—NYMEX, expires June 2023 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 3,824
Notional Amount at Value $ 335,058,880
Unrealized Appreciation (Depreciation) $ 5,527,457
ProShares UltraShort Bloomberg Natural Gas [Member] | Natural Gas - NYMEX, expires September 2022 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 7,871
Notional Amount at Value $ 424,404,320
Unrealized Appreciation (Depreciation) $ 154,070,341
ProShares UltraShort Gold [Member] | Gold Futures - COMEX, expires Augest 2022 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 184
Notional Amount at Value $ 33,254,320
Unrealized Appreciation (Depreciation) $ 811,562
ProShares UltraShort Silver [Member] | Silver Futures - COMEX, expires September 2022 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 445
Notional Amount at Value $ 45,283,200
Unrealized Appreciation (Depreciation) $ 2,516,890