v3.24.0.1
Schedule of Investments - Futures Contracts Purchased (Detail) - Futures Contracts [Member] - Contracts to Purchase [Member]
Dec. 31, 2023
USD ($)
Contract
Dec. 31, 2022
USD ($)
Contract
ProShares Ultra Bloomberg Crude Oil [Member]    
Schedule of Investments [Line Items]    
Total Unrealized (Depreciation) $ (3,515,232) $ 26,291,716
ProShares Ultra Bloomberg Crude Oil [Member] | WTI Crude Oil - NYMEX, expires March 2023 [Member]    
Schedule of Investments [Line Items]    
Number of Contracts | Contract   2,041
Notional Amount at Value   $ 164,198,450
Total Unrealized (Depreciation)   $ 7,859,596
ProShares Ultra Bloomberg Crude Oil [Member] | WTI Crude Oil - NYMEX, expires June 2023 [Member]    
Schedule of Investments [Line Items]    
Number of Contracts | Contract   2,149
Notional Amount at Value   $ 172,349,800
Total Unrealized (Depreciation)   $ 9,949,643
ProShares Ultra Bloomberg Crude Oil [Member] | WTI Crude Oil - NYMEX, expires December 2023 [Member]    
Schedule of Investments [Line Items]    
Number of Contracts | Contract   2,251
Notional Amount at Value   $ 174,024,810
Total Unrealized (Depreciation)   $ 8,482,477
ProShares Ultra Bloomberg Crude Oil [Member] | WTI Crude Oil - NYMEX, expires March 2024 [Member]    
Schedule of Investments [Line Items]    
Number of Contracts | Contract 2,085  
Notional Amount at Value $ 149,786,400  
Total Unrealized (Depreciation) $ (584,505)  
ProShares Ultra Bloomberg Crude Oil [Member] | WTI Crude Oil - NYMEX, expires June 2024 [Member]    
Schedule of Investments [Line Items]    
Number of Contracts | Contract 2,185  
Notional Amount at Value $ 157,582,200  
Total Unrealized (Depreciation) $ 2,237,052  
ProShares Ultra Bloomberg Crude Oil [Member] | WTI Crude Oil - NYMEX, expires December 2024 [Member]    
Schedule of Investments [Line Items]    
Number of Contracts | Contract 2,270  
Notional Amount at Value $ 159,581,000  
Total Unrealized (Depreciation) $ (5,167,779)  
ProShares Ultra Bloomberg Natural Gas [Member] | Natural Gas - NYMEX, expires March 2023 [Member]    
Schedule of Investments [Line Items]    
Number of Contracts | Contract   28,571
Notional Amount at Value   $ 1,172,553,840
Total Unrealized (Depreciation)   $ (310,613,969)
ProShares Ultra Bloomberg Natural Gas [Member] | Natural Gas—NYMEX, expires March 2024 [Member]    
Schedule of Investments [Line Items]    
Number of Contracts | Contract 62,768  
Notional Amount at Value $ 1,460,611,360  
Total Unrealized (Depreciation) $ 43,607,070  
ProShares Ultra Gold [Member] | Gold Futures—COMEX, expires February 2023 [Member]    
Schedule of Investments [Line Items]    
Number of Contracts | Contract   407
Notional Amount at Value   $ 74,326,340
Total Unrealized (Depreciation)   $ 3,242,088
ProShares Ultra Gold [Member] | Gold Futures - COMEX, expires February 2024 [Member]    
Schedule of Investments [Line Items]    
Number of Contracts | Contract 543  
Notional Amount at Value $ 112,498,740  
Total Unrealized (Depreciation) $ 4,096,275  
ProShares Ultra Silver [Member] | Silver Futures – COMEX, expires March 2024 [Member]    
Schedule of Investments [Line Items]    
Number of Contracts | Contract 2,609  
Notional Amount at Value $ 314,201,870  
Total Unrealized (Depreciation) 12,400,748  
ProShares Ultra Silver [Member] | Silver Futures – COMEX, expires March 2023 [Member]    
Schedule of Investments [Line Items]    
Number of Contracts | Contract   2,281
Notional Amount at Value   $ 274,176,200
Total Unrealized (Depreciation)   29,426,574
ProShares Ultra VIX Short-Term Futures ETF [Member]    
Schedule of Investments [Line Items]    
Total Unrealized (Depreciation) $ (31,183,911) $ (36,555,453)
ProShares Ultra VIX Short-Term Futures ETF [Member] | VIX Futures—CBOE, expires February 2022 [Member]    
Schedule of Investments [Line Items]    
Number of Contracts | Contract   16,666
Notional Amount at Value   $ 409,071,970
Total Unrealized (Depreciation)   $ (3,242,130)
ProShares Ultra VIX Short-Term Futures ETF [Member] | VIX Futures—Cboe, expires January 2023 [Member]    
Schedule of Investments [Line Items]    
Number of Contracts | Contract   23,808
Notional Amount at Value   $ 549,919,565
Total Unrealized (Depreciation)   (33,313,323)
ProShares Ultra VIX Short-Term Futures ETF [Member] | VIX Futures—Cboe, expires January 2024 [Member]    
Schedule of Investments [Line Items]    
Number of Contracts | Contract 21,109  
Notional Amount at Value $ 296,606,781  
Total Unrealized (Depreciation) $ (21,045,144)  
ProShares Ultra VIX Short-Term Futures ETF [Member] | VIX Futures—Cboe, expires February 2024 [Member]    
Schedule of Investments [Line Items]    
Number of Contracts | Contract 14,767  
Notional Amount at Value $ 225,867,172  
Total Unrealized (Depreciation) (10,138,767)  
ProShares VIX Mid-Term Futures ETF [Member]    
Schedule of Investments [Line Items]    
Total Unrealized (Depreciation) $ (3,745,676) $ (4,791,223)
ProShares VIX Mid-Term Futures ETF [Member] | VIX Futures – Cboe, expires July 2024 [Member]    
Schedule of Investments [Line Items]    
Number of Contracts | Contract 297  
Notional Amount at Value $ 5,375,700  
Total Unrealized (Depreciation) $ (90,243)  
ProShares VIX Mid-Term Futures ETF [Member] | VIX Futures – Cboe, expires June 2024 [Member]    
Schedule of Investments [Line Items]    
Number of Contracts | Contract 721  
Notional Amount at Value $ 12,787,800  
Total Unrealized (Depreciation) $ (258,508)  
ProShares VIX Mid-Term Futures ETF [Member] | VIX Futures – Cboe, expires May 2024 [Member]    
Schedule of Investments [Line Items]    
Number of Contracts | Contract 721  
Notional Amount at Value $ 12,515,262  
Total Unrealized (Depreciation) $ (2,326,922)  
ProShares VIX Mid-Term Futures ETF [Member] | VIX Futures - Cboe, expires April 2024 [Member]    
Schedule of Investments [Line Items]    
Number of Contracts | Contract 424  
Notional Amount at Value $ 7,187,267  
Total Unrealized (Depreciation) (1,070,003)  
ProShares VIX Mid-Term Futures ETF [Member] | VIX Futures – Cboe, expires April 2023 [Member]    
Schedule of Investments [Line Items]    
Number of Contracts | Contract   627
Notional Amount at Value   $ 16,223,876
Total Unrealized (Depreciation)   $ (1,915,279)
ProShares VIX Mid-Term Futures ETF [Member] | VIX Futures – Cboe, expires May 2023 [Member]    
Schedule of Investments [Line Items]    
Number of Contracts | Contract   1,066
Notional Amount at Value   $ 27,929,200
Total Unrealized (Depreciation)   $ (2,310,572)
ProShares VIX Mid-Term Futures ETF [Member] | VIX Futures – Cboe, expires June 2023 [Member]    
Schedule of Investments [Line Items]    
Number of Contracts | Contract   1,066
Notional Amount at Value   $ 28,082,704
Total Unrealized (Depreciation)   $ (528,018)
ProShares VIX Mid-Term Futures ETF [Member] | VIX Futures – Cboe, expires July 2023 [Member]    
Schedule of Investments [Line Items]    
Number of Contracts | Contract   439
Notional Amount at Value   $ 11,759,537
Total Unrealized (Depreciation)   (37,354)
ProShares VIX Short-Term Futures ETF [Member]    
Schedule of Investments [Line Items]    
Total Unrealized (Depreciation) $ (9,664,094) $ (9,796,823)
ProShares VIX Short-Term Futures ETF [Member] | VIX Futures—Cboe, expires January 2023 [Member]    
Schedule of Investments [Line Items]    
Number of Contracts | Contract   6,618
Notional Amount at Value   $ 152,863,226
Total Unrealized (Depreciation)   $ (8,913,772)
ProShares VIX Short-Term Futures ETF [Member] | VIX Futures—Cboe, expires February 2023 [Member]    
Schedule of Investments [Line Items]    
Number of Contracts | Contract   4,632
Notional Amount at Value   $ 113,693,830
Total Unrealized (Depreciation)   $ (883,051)
ProShares VIX Short-Term Futures ETF [Member] | VIX Futures—Cboe, expires January 2024 [Member]    
Schedule of Investments [Line Items]    
Number of Contracts | Contract 6,347  
Notional Amount at Value $ 89,182,966  
Total Unrealized (Depreciation) $ (6,686,210)  
ProShares VIX Short-Term Futures ETF [Member] | VIX Futures—Cboe, expires February 2024 [Member]    
Schedule of Investments [Line Items]    
Number of Contracts | Contract 4,444  
Notional Amount at Value $ 67,972,758  
Total Unrealized (Depreciation) $ (2,977,884)