v3.26.1
Schedule of Investments - Short-Term U.S. Government and Agency Obligations (Parenthetical) (Detail)
6 Months Ended
Jun. 30, 2026
USD ($)
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES SHORT VIX SHORT TERM FUTURES ETF | 34% of shareholders equity  
Schedule of Investments [Line Items]  
Short-term U.S. government and agency obligations percentage of shareholders' equity 34.00%
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES SHORT VIX SHORT TERM FUTURES ETF | ProShares Genius Money Market ETF 3.54% cost $75,046,500  
Schedule of Investments [Line Items]  
Total short-term U.S. government and agency obligations, cost $ 75,046,500
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES SHORT VIX SHORT TERM FUTURES ETF | Total Investments in Securities cost $119,694,205  
Schedule of Investments [Line Items]  
Total short-term U.S. government and agency obligations, cost $ 119,694,205
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRA BLOOMBERG CRUDE OIL | 22% of shareholders equity  
Schedule of Investments [Line Items]  
Short-term U.S. government and agency obligations percentage of shareholders' equity 22.00%
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRA BLOOMBERG CRUDE OIL | ProShares Genius Money Market ETF 3.54% cost $70,028,000  
Schedule of Investments [Line Items]  
Total short-term U.S. government and agency obligations, cost $ 70,028,000
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRA BLOOMBERG CRUDE OIL | Total Investments in Securities cost $318,672,399  
Schedule of Investments [Line Items]  
Total short-term U.S. government and agency obligations, cost $ 318,672,399
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRA BLOOMBERG NATURAL GAS | 33% of shareholders equity  
Schedule of Investments [Line Items]  
Short-term U.S. government and agency obligations percentage of shareholders' equity 33.00%
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRA BLOOMBERG NATURAL GAS | ProShares Genius Money Market ETF 3.54% cost $100,049,500  
Schedule of Investments [Line Items]  
Total short-term U.S. government and agency obligations, cost $ 100,049,500
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRA BLOOMBERG NATURAL GAS | Total Investments in Securities cost $199,694,450  
Schedule of Investments [Line Items]  
Total short-term U.S. government and agency obligations, cost $ 199,694,450
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRA GOLD | 28% of shareholders equity  
Schedule of Investments [Line Items]  
Short-term U.S. government and agency obligations percentage of shareholders' equity 28.00%
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRA GOLD | ProShares Genius Money Market ETF 3.54% cost $180,072,000  
Schedule of Investments [Line Items]  
Total short-term U.S. government and agency obligations, cost $ 180,072,000
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRA GOLD | Total Investments in Securities cost $578,579,049  
Schedule of Investments [Line Items]  
Total short-term U.S. government and agency obligations, cost $ 578,579,049
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRA SILVER | 22% of shareholders equity  
Schedule of Investments [Line Items]  
Short-term U.S. government and agency obligations percentage of shareholders' equity 22.00%
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRA SILVER | ProShares Genius Money Market ETF 3.54% cost $280,112,000  
Schedule of Investments [Line Items]  
Total short-term U.S. government and agency obligations, cost $ 280,112,000
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRA SILVER | Total Investments in Securities cost $1,219,845,563  
Schedule of Investments [Line Items]  
Total short-term U.S. government and agency obligations, cost $ 1,219,845,563
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRA VIX SHORT TERM FUTURES ETF | 36% of shareholders equity  
Schedule of Investments [Line Items]  
Short-term U.S. government and agency obligations percentage of shareholders' equity 20.00%
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRA VIX SHORT TERM FUTURES ETF | ProShares Genius Money Market ETF 3.52% cost $105,058,700  
Schedule of Investments [Line Items]  
Total short-term U.S. government and agency obligations, cost $ 50,020,000
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRA YEN | 35% of shareholders equity  
Schedule of Investments [Line Items]  
Short-term U.S. government and agency obligations percentage of shareholders' equity 35.00%
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRA YEN | ProShares Genius Money Market ETF 3.54% cost $11,004,400  
Schedule of Investments [Line Items]  
Total short-term U.S. government and agency obligations, cost $ 11,004,400
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRA YEN | Total Investments in Securities cost $17,984,373  
Schedule of Investments [Line Items]  
Total short-term U.S. government and agency obligations, cost $ 17,984,373
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRASHORT BLOOMBERG CRUDE OIL | 34% of shareholders equity  
Schedule of Investments [Line Items]  
Short-term U.S. government and agency obligations percentage of shareholders' equity 34.00%
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRASHORT BLOOMBERG CRUDE OIL | ProShares Genius Money Market ETF 3.54% cost $300,255,420  
Schedule of Investments [Line Items]  
Total short-term U.S. government and agency obligations, cost $ 300,255,420
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRASHORT BLOOMBERG CRUDE OIL | Total Investments in Securities cost $579,203,503  
Schedule of Investments [Line Items]  
Total short-term U.S. government and agency obligations, cost $ 579,203,503
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRASHORT BLOOMBERG NATURAL GAS | 32% of shareholders equity  
Schedule of Investments [Line Items]  
Short-term U.S. government and agency obligations percentage of shareholders' equity 32.00%
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRASHORT BLOOMBERG NATURAL GAS | ProShares Genius Money Market ETF 3.54% cost $45,018,000  
Schedule of Investments [Line Items]  
Total short-term U.S. government and agency obligations, cost $ 45,018,000
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRASHORT BLOOMBERG NATURAL GAS | Total Investments in Securities cost $45,018,000  
Schedule of Investments [Line Items]  
Total short-term U.S. government and agency obligations, cost $ 45,018,000
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRASHORT EURO | 28% of shareholders equity  
Schedule of Investments [Line Items]  
Short-term U.S. government and agency obligations percentage of shareholders' equity 28.00%
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRASHORT EURO | ProShares Genius Money Market ETF 3.54% cost $10,004,000  
Schedule of Investments [Line Items]  
Total short-term U.S. government and agency obligations, cost $ 10,004,000
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRASHORT EURO | Total Investments in Securities cost $19,975,389  
Schedule of Investments [Line Items]  
Total short-term U.S. government and agency obligations, cost $ 19,975,389
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRASHORT GOLD | 27% of shareholders equity  
Schedule of Investments [Line Items]  
Short-term U.S. government and agency obligations percentage of shareholders' equity 27.00%
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRASHORT GOLD | ProShares Genius Money Market ETF 3.54% cost $30,014,500  
Schedule of Investments [Line Items]  
Total short-term U.S. government and agency obligations, cost $ 30,014,500
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRASHORT GOLD | Total Investments in Securities cost $69,871,690  
Schedule of Investments [Line Items]  
Total short-term U.S. government and agency obligations, cost $ 69,871,690
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRASHORT SILVER | 22% of shareholders equity  
Schedule of Investments [Line Items]  
Short-term U.S. government and agency obligations percentage of shareholders' equity 22.00%
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRASHORT SILVER | ProShares Genius Money Market ETF 3.54% cost $20,015,950  
Schedule of Investments [Line Items]  
Total short-term U.S. government and agency obligations, cost $ 20,015,950
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRASHORT SILVER | Total Investments in Securities cost $64,642,809  
Schedule of Investments [Line Items]  
Total short-term U.S. government and agency obligations, cost $ 64,642,809
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRASHORT YEN | 23% of shareholders equity  
Schedule of Investments [Line Items]  
Short-term U.S. government and agency obligations percentage of shareholders' equity 23.00%
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRASHORT YEN | ProShares Genius Money Market ETF 3.54% cost $7,002,800  
Schedule of Investments [Line Items]  
Total short-term U.S. government and agency obligations, cost $ 7,002,800
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES ULTRASHORT YEN | Total Investments in Securities cost $16,974,189  
Schedule of Investments [Line Items]  
Total short-term U.S. government and agency obligations, cost $ 16,974,189
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES VIX MID TERM FUTURES ETF | 37% of shareholders equity  
Schedule of Investments [Line Items]  
Short-term U.S. government and agency obligations percentage of shareholders' equity 37.00%
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES VIX MID TERM FUTURES ETF | ProShares Genius Money Market ETF 3.52% cost $15,006,000  
Schedule of Investments [Line Items]  
Total short-term U.S. government and agency obligations, cost $ 15,006,000
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES VIX MID TERM FUTURES ETF | Total Investments in Securities cost $24,970,100  
Schedule of Investments [Line Items]  
Total short-term U.S. government and agency obligations, cost $ 24,970,100
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES VIX SHORT TERM FUTURES ETF | 33% of shareholders equity  
Schedule of Investments [Line Items]  
Short-term U.S. government and agency obligations percentage of shareholders' equity 33.00%
Investment, Identifier [Axis]: Affiliated Investments Exchange Traded Fund | PROSHARES VIX SHORT TERM FUTURES ETF | ProShares Genius Money Market ETF 3.54% cost $65,037,250  
Schedule of Investments [Line Items]  
Total short-term U.S. government and agency obligations, cost $ 65,037,250
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares Short VIX Short-Term Futures ETF  
Schedule of Investments [Line Items]  
Short-term U.S. government and agency obligations percentage of shareholders' equity 20.00%
Total short-term U.S. government and agency obligations, cost $ 44,647,705
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares Short VIX Short-Term Futures ETF | U.S. Treasury Bills 3.705% due 09/10/26  
Schedule of Investments [Line Items]  
Interest rate 3.705%
Investment, maturity date Sep. 10, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares Short VIX Short-Term Futures ETF | U.S. Treasury Bills 3.763% due 09/24/26  
Schedule of Investments [Line Items]  
Interest rate 3.763%
Investment, maturity date Sep. 24, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares Ultra Bloomberg Crude Oil  
Schedule of Investments [Line Items]  
Short-term U.S. government and agency obligations percentage of shareholders' equity 80.00%
Total short-term U.S. government and agency obligations, cost $ 248,644,399
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares Ultra Bloomberg Crude Oil | U.S. Treasury Bills 3.673% due 08/06/26  
Schedule of Investments [Line Items]  
Interest rate 3.673%
Investment, maturity date Aug. 06, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares Ultra Bloomberg Crude Oil | U.S. Treasury Bills 3.678% due 07/14/26  
Schedule of Investments [Line Items]  
Interest rate 3.678%
Investment, maturity date Jul. 14, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares Ultra Bloomberg Crude Oil | U.S. Treasury Bills 3.760% due 09/24/26  
Schedule of Investments [Line Items]  
Interest rate 3.706%
Investment, maturity date Sep. 10, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares Ultra Bloomberg Crude Oil | U.S. Treasury Bills 3.763% due 09/24/26  
Schedule of Investments [Line Items]  
Interest rate 3.763%
Investment, maturity date Sep. 24, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares Ultra Bloomberg Crude Oil | U.S. Treasury Bills 3.770% due 09/17/26  
Schedule of Investments [Line Items]  
Interest rate 3.77%
Investment, maturity date Sep. 17, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares Ultra Bloomberg Crude Oil | U.S. Treasury Bills 3.773% due 09/08/26  
Schedule of Investments [Line Items]  
Interest rate 3.773%
Investment, maturity date Sep. 08, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares Ultra Bloomberg Crude Oil | U.S. Treasury Bills 3.806% due 07/09/26  
Schedule of Investments [Line Items]  
Interest rate 3.806%
Investment, maturity date Jul. 09, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares Ultra Bloomberg Natural Gas  
Schedule of Investments [Line Items]  
Short-term U.S. government and agency obligations percentage of shareholders' equity 32.00%
Total short-term U.S. government and agency obligations, cost $ 99,644,950
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares Ultra Bloomberg Natural Gas | U.S. Treasury Bills 3.645% due 08/06/26  
Schedule of Investments [Line Items]  
Interest rate 3.645%
Investment, maturity date Aug. 06, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares Ultra Gold  
Schedule of Investments [Line Items]  
Short-term U.S. government and agency obligations percentage of shareholders' equity 62.00%
Total short-term U.S. government and agency obligations, cost $ 398,507,049
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares Ultra Gold | U.S. Treasury Bills 3.642% due 08/06/26  
Schedule of Investments [Line Items]  
Interest rate 3.642%
Investment, maturity date Aug. 06, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares Ultra Gold | U.S. Treasury Bills 3.660% due 07/30/26  
Schedule of Investments [Line Items]  
Interest rate 3.66%
Investment, maturity date Jul. 30, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares Ultra Gold | U.S. Treasury Bills 3.773% due 09/08/26  
Schedule of Investments [Line Items]  
Interest rate 3.773%
Investment, maturity date Sep. 08, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares Ultra Silver  
Schedule of Investments [Line Items]  
Short-term U.S. government and agency obligations percentage of shareholders' equity 74.00%
Total short-term U.S. government and agency obligations, cost $ 939,733,563
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares Ultra Silver | U.S. Treasury Bills 3.667% due 08/06/26  
Schedule of Investments [Line Items]  
Interest rate 3.667%
Investment, maturity date Aug. 06, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares Ultra Silver | U.S. Treasury Bills 3.674% due 07/30/26  
Schedule of Investments [Line Items]  
Interest rate 3.674%
Investment, maturity date Jul. 30, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares Ultra Silver | U.S. Treasury Bills 3.677% due 07/14/26  
Schedule of Investments [Line Items]  
Interest rate 3.677%
Investment, maturity date Jul. 14, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares Ultra Silver | U.S. Treasury Bills 3.760% due 09/24/26  
Schedule of Investments [Line Items]  
Interest rate 3.76%
Investment, maturity date Sep. 24, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares Ultra Silver | U.S. Treasury Bills 3.770% due 09/17/26  
Schedule of Investments [Line Items]  
Interest rate 3.77%
Investment, maturity date Sep. 17, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares Ultra Silver | U.S. Treasury Bills 3.773% due 09/08/26  
Schedule of Investments [Line Items]  
Interest rate 3.773%
Investment, maturity date Sep. 08, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares Ultra Yen  
Schedule of Investments [Line Items]  
Short-term U.S. government and agency obligations percentage of shareholders' equity 22.00%
Total short-term U.S. government and agency obligations, cost $ 6,979,973
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares Ultra Yen | U.S. Treasury Bills 3.656% due 07/30/26  
Schedule of Investments [Line Items]  
Interest rate 3.656%
Investment, maturity date Jul. 30, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares UltraShort Bloomberg Crude Oil  
Schedule of Investments [Line Items]  
Short-term U.S. government and agency obligations percentage of shareholders' equity 32.00%
Total short-term U.S. government and agency obligations, cost $ 278,948,083
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares UltraShort Bloomberg Crude Oil | U.S. Treasury Bills 3.633% due 08/06/26  
Schedule of Investments [Line Items]  
Interest rate 3.633%
Investment, maturity date Aug. 06, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares UltraShort Bloomberg Crude Oil | U.S. Treasury Bills 3.773% due 09/08/26  
Schedule of Investments [Line Items]  
Interest rate 3.773%
Investment, maturity date Sep. 08, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares UltraShort Bloomberg Crude Oil | U.S. Treasury Bills 3.778% due 07/21/26  
Schedule of Investments [Line Items]  
Interest rate 3.778%
Investment, maturity date Jul. 21, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares UltraShort Euro  
Schedule of Investments [Line Items]  
Short-term U.S. government and agency obligations percentage of shareholders' equity 28.00%
Total short-term U.S. government and agency obligations, cost $ 9,971,389
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares UltraShort Euro | U.S. Treasury Bills 3.656% due 07/30/26  
Schedule of Investments [Line Items]  
Interest rate 3.656%
Investment, maturity date Jul. 30, 2026
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares UltraShort Gold  
Schedule of Investments [Line Items]  
Short-term U.S. government and agency obligations percentage of shareholders' equity 36.00%
Total short-term U.S. government and agency obligations, cost $ 39,857,190
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares UltraShort Gold | U.S. Treasury Bills 3.639% due 08/06/26  
Schedule of Investments [Line Items]  
Interest rate 3.639%
Investment, maturity date Aug. 06, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares UltraShort Silver  
Schedule of Investments [Line Items]  
Short-term U.S. government and agency obligations percentage of shareholders' equity 49.00%
Total short-term U.S. government and agency obligations, cost $ 44,626,859
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares UltraShort Silver | U.S. Treasury Bills 3.760% due 09/24/26  
Schedule of Investments [Line Items]  
Interest rate 3.76%
Investment, maturity date Sep. 24, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares UltraShort Silver | U.S. Treasury Bills 3.771% due 09/17/26  
Schedule of Investments [Line Items]  
Interest rate 3.771%
Investment, maturity date Sep. 17, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares UltraShort Yen  
Schedule of Investments [Line Items]  
Short-term U.S. government and agency obligations percentage of shareholders' equity 32.00%
Total short-term U.S. government and agency obligations, cost $ 9,971,389
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares UltraShort Yen | U.S. Treasury Bills 3.656% due 07/30/26  
Schedule of Investments [Line Items]  
Interest rate 3.656%
Investment, maturity date Jul. 30, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares Ultrashort Bloomberg Crude Oil | U.S. Treasury Bills 3.806% due 07/09/26  
Schedule of Investments [Line Items]  
Interest rate 3.806%
Investment, maturity date Jul. 09, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares VIX Mid-Term Futures ETF  
Schedule of Investments [Line Items]  
Short-term U.S. government and agency obligations percentage of shareholders' equity 25.00%
Total short-term U.S. government and agency obligations, cost $ 9,964,100
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | ProShares VIX Mid-Term Futures ETF | U.S. Treasury Bills 3.633% due 08/06/26  
Schedule of Investments [Line Items]  
Interest rate 3.633%
Investment, maturity date Aug. 06, 2026
Discount rate at the time of purchase true
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | Proshares Ultra Euro  
Schedule of Investments [Line Items]  
Short-term U.S. government and agency obligations percentage of shareholders' equity 40.00%
Total short-term U.S. government and agency obligations, cost $ 1,994,278
Investment, Identifier [Axis]: U.S. Government Agencies Short-term Debt Securities | Proshares Ultra Euro | U.S. Treasury Bills 3.656% due 07/30/26  
Schedule of Investments [Line Items]  
Interest rate 3.656%
Investment, maturity date Jul. 30, 2026
Discount rate at the time of purchase true