v3.26.1
Schedule of Investments - Futures Contracts Purchased (Detail) - Futures Contracts [Member] - Contracts to Purchase [Member]
Jun. 30, 2026
USD ($)
Contract
ProShares Ultra Bloomberg Crude Oil [Member]  
Schedule of Investments [Line Items]  
Unrealized Appreciation (Depreciation)/Value $ (3,645,927)
ProShares Ultra Bloomberg Crude Oil [Member] | WTI Crude Oil - NYMEX, expires September 2026 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 525
Notional Amount at Value $ 36,366,750
Unrealized Appreciation (Depreciation)/Value $ (5,237,470)
ProShares Ultra Bloomberg Crude Oil [Member] | WTI Crude Oil - NYMEX, expires December 2026 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 566
Notional Amount at Value $ 38,686,100
Unrealized Appreciation (Depreciation)/Value $ 1,696,621
ProShares Ultra Bloomberg Crude Oil [Member] | WTI Crude Oil - NYMEX, expires June 2027 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 585
Notional Amount at Value $ 38,996,100
Unrealized Appreciation (Depreciation)/Value $ (105,078)
ProShares Ultra Bloomberg Natural Gas [Member] | Natural Gas - NYMEX, expires September 2026 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 19,249
Notional Amount at Value $ 614,813,060
Unrealized Appreciation (Depreciation)/Value $ 4,878,818
ProShares Ultra Gold [Member] | Gold Futures - COMEX, expires August 2026 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 911
Notional Amount at Value $ 367,907,350
Unrealized Appreciation (Depreciation)/Value $ (43,082,533)
ProShares Ultra Silver [Member] | Silver Futures - COMEX, expires September 2026 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 2,412
Notional Amount at Value $ 722,659,320
Unrealized Appreciation (Depreciation)/Value (55,109,618)
ProShares Ultra VIX Short-Term Futures ETF [Member]  
Schedule of Investments [Line Items]  
Unrealized Appreciation (Depreciation)/Value $ (32,887,617)
ProShares Ultra VIX Short-Term Futures ETF [Member] | VIX Futures - Cboe, expires July 2026 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 12,313
Notional Amount at Value $ 221,026,969
Unrealized Appreciation (Depreciation)/Value $ (26,368,569)
ProShares Ultra VIX Short-Term Futures ETF [Member] | VIX Futures - Cboe, expires August 2026 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 7,909
Notional Amount at Value $ 149,867,641
Unrealized Appreciation (Depreciation)/Value (6,519,048)
ProShares VIX Mid-Term Futures ETF [Member]  
Schedule of Investments [Line Items]  
Unrealized Appreciation (Depreciation)/Value $ (3,601,639)
ProShares VIX Mid-Term Futures ETF [Member] | VIX Futures - Cboe, expires October 2026 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 394
Notional Amount at Value $ 8,051,587
Unrealized Appreciation (Depreciation)/Value $ (1,115,897)
ProShares VIX Mid-Term Futures ETF [Member] | VIX Futures - Cboe, expires November 2026 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 647
Notional Amount at Value $ 13,377,954
Unrealized Appreciation (Depreciation)/Value $ (1,383,736)
ProShares VIX Mid-Term Futures ETF [Member] | VIX Futures - Cboe, expires December 2026 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 648
Notional Amount at Value $ 13,416,257
Unrealized Appreciation (Depreciation)/Value $ (950,685)
ProShares VIX Mid-Term Futures ETF [Member] | VIX Futures - Cboe, expires January 2027 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 253
Notional Amount at Value $ 5,452,125
Unrealized Appreciation (Depreciation)/Value (151,321)
ProShares VIX Short-Term Futures ETF [Member]  
Schedule of Investments [Line Items]  
Unrealized Appreciation (Depreciation)/Value $ (17,083,960)
ProShares VIX Short-Term Futures ETF [Member] | VIX Futures - Cboe, expires July 2026 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 6,593
Notional Amount at Value $ 118,348,965
Unrealized Appreciation (Depreciation)/Value $ (13,432,321)
ProShares VIX Short-Term Futures ETF [Member] | VIX Futures - Cboe, expires August 2026 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 4,234
Notional Amount at Value $ 80,230,066
Unrealized Appreciation (Depreciation)/Value $ (3,651,639)