v3.24.1.u1
Schedule of Investments - Futures Contracts Purchased (Detail) - Futures Contracts [Member] - Contracts to Purchase [Member]
Mar. 31, 2024
USD ($)
Contract
ProShares Ultra Bloomberg Crude Oil [Member]  
Schedule of Investments [Line Items]  
Total Unrealized (Depreciation) $ 21,911,745
ProShares Ultra Bloomberg Crude Oil [Member] | WTI Crude Oil - NYMEX, expires June 2024 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 1,009
Notional Amount at Value $ 83,161,780
Total Unrealized (Depreciation) $ 12,762,625
ProShares Ultra Bloomberg Crude Oil [Member] | WTI Crude Oil - NYMEX, expires December 2024 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 1,066
Notional Amount at Value $ 82,977,440
Total Unrealized (Depreciation) $ 5,557,088
ProShares Ultra Bloomberg Crude Oil [Member] | WTI Crude Oil - NYMEX, expires June 2025 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 1,108
Notional Amount at Value $ 82,723,280
Total Unrealized (Depreciation) $ 3,592,032
ProShares Ultra Bloomberg Natural Gas [Member] | Natural Gas - NYMEX, expires May 2024 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 65,891
Notional Amount at Value $ 1,161,658,330
Total Unrealized (Depreciation) $ (92,772,278)
ProShares Ultra Gold [Member] | Gold Futures - COMEX, expires June 2024 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 649
Notional Amount at Value $ 145,272,160
Total Unrealized (Depreciation) $ 2,377,155
ProShares Ultra Silver [Member] | Silver Futures - COMEX, expires May 2024 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 2,406
Notional Amount at Value $ 299,739,480
Total Unrealized (Depreciation) 22,681,594
ProShares Ultra VIX Short-Term Futures ETF [Member]  
Schedule of Investments [Line Items]  
Total Unrealized (Depreciation) $ (17,898,783)
ProShares Ultra VIX Short-Term Futures ETF [Member] | VIX Futures - Cboe, expires April 2024 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 17,863
Notional Amount at Value $ 160,660,770
Total Unrealized (Depreciation) $ (17,550,463)
ProShares Ultra VIX Short-Term Futures ETF [Member] | VIX Futures - Cboe, expires May 2024 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 10,420
Notional Amount at Value $ 256,668,088
Total Unrealized (Depreciation) (348,320)
ProShares VIX Mid-Term Futures ETF [Member]  
Schedule of Investments [Line Items]  
Total Unrealized (Depreciation) $ (955,885)
ProShares VIX Mid-Term Futures ETF [Member] | VIX Futures - Cboe, expires July 2024 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 993
Notional Amount at Value $ 16,799,673
Total Unrealized (Depreciation) $ (416,880)
ProShares VIX Mid-Term Futures ETF [Member] | VIX Futures - Cboe, expires August 2024 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 1,572
Notional Amount at Value $ 27,510,000
Total Unrealized (Depreciation) $ (204,210)
ProShares VIX Mid-Term Futures ETF [Member] | VIX Futures - Cboe, expires September 2024 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 1,572
Notional Amount at Value $ 28,311,406
Total Unrealized (Depreciation) $ (352,062)
ProShares VIX Mid-Term Futures ETF [Member] | VIX Futures - Cboe, expires October 2024 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 580
Notional Amount at Value $ 11,948,000
Total Unrealized (Depreciation) 17,267
ProShares VIX Short-Term Futures ETF [Member]  
Schedule of Investments [Line Items]  
Total Unrealized (Depreciation) $ (6,679,575)
ProShares VIX Short-Term Futures ETF [Member] | VIX Futures - Cboe, expires April 2024 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 6,974
Notional Amount at Value $ 100,207,314
Total Unrealized (Depreciation) $ (6,554,137)
ProShares VIX Short-Term Futures ETF [Member] | VIX Futures - Cboe, expires May 2024 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 4,068
Notional Amount at Value $ 62,722,458
Total Unrealized (Depreciation) $ (125,438)