v3.24.3

Schedule of Investments - Short-Term U.S. Government and Agency Obligations (Parenthetical) (Detail) - U.S. Government Agencies Short-term Debt Securities [Member] - USD ($) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2024 | Dec. 31, 2023
Schedule of Investments [Line Items] |  |
Total short-term U.S. government and agency obligations, cost | $ 1,566,271,392 | $ 690,346,244
ProShares Short VIX Short-Term Futures ETF [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 57.00% |
Total short-term U.S. government and agency obligations, cost | $ 169,045,239 | 109,391,681
ProShares Short VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 5.288% due 07/09/24 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 5.288% |
Investment, maturity date | Jul. 09, 2024 |
Discount rate at the time of purchase | true |
ProShares Short VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 5.321% due 09/05/24 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 5.321% |
Investment, maturity date | Sep. 05, 2024 |
Discount rate at the time of purchase | true |
ProShares Ultra Bloomberg Crude Oil [Member] |  |
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 | $ 387,837,316 | 233,435,026
ProShares Ultra Bloomberg Crude Oil [Member] | U.S. Treasury Bills 5.349% due 07/09/24 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 5.349% |
Investment, maturity date | Jul. 09, 2024 |
Discount rate at the time of purchase | true |
ProShares Ultra Bloomberg Crude Oil [Member] | U.S. Treasury Bills 5.310% due 09/05/24 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 5.31% |
Investment, maturity date | Sep. 05, 2024 |
Discount rate at the time of purchase | true |
ProShares Ultra Bloomberg Crude Oil [Member] | U.S. Treasury Bills 5.311% due 08/08/24 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 5.311% |
Investment, maturity date | Aug. 08, 2024 |
Discount rate at the time of purchase | true |
ProShares Ultra Gold [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 90.00% |
Total short-term U.S. government and agency obligations, cost | $ 194,011,855 | 59,496,177
ProShares Ultra Gold [Member] | U.S. Treasury Bills 5.309% due 07/09/24 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 5.309% |
Investment, maturity date | Jul. 09, 2024 |
Discount rate at the time of purchase | true |
ProShares Ultra Gold [Member] | U.S. Treasury Bills 5.311% due 08/08/24 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 5.311% |
Investment, maturity date | Aug. 08, 2024 |
Discount rate at the time of purchase | true |
ProShares Ultra Gold [Member] | U.S. Treasury Bills 5.315% due 09/05/24 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 5.315% |
Investment, maturity date | Sep. 05, 2024 |
Discount rate at the time of purchase | true |
ProShares Ultra Silver [Member] |  |
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 | $ 457,266,168 | 114,255,151
ProShares Ultra Silver [Member] | U.S. Treasury Bills 5.290% due 07/09/24 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 5.29% |
Investment, maturity date | Jul. 09, 2024 |
Discount rate at the time of purchase | true |
ProShares Ultra Silver [Member] | U.S. Treasury Bills 5.311% due 08/08/24 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 5.311% |
Investment, maturity date | Aug. 08, 2024 |
Discount rate at the time of purchase | true |
ProShares Ultra Silver [Member] | U.S. Treasury Bills 5.326% due 09/05/24 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 5.326% |
Investment, maturity date | Sep. 05, 2024 |
Discount rate at the time of purchase | true |
ProShares Ultra VIX Short-Term Futures ETF [Member] |  |
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 | $ 49,941,817 | 0
ProShares Ultra VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 5.304% due 07/09/24 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 5.304% |
Investment, maturity date | Jul. 09, 2024 |
Discount rate at the time of purchase | true |
ProShares UltraShort Bloomberg Crude Oil [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 59.00% |
Total short-term U.S. government and agency obligations, cost | $ 104,415,710 | 49,673,923
ProShares UltraShort Bloomberg Crude Oil [Member] | U.S. Treasury Bills 5.304% due 07/09/24 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 5.304% |
Investment, maturity date | Jul. 09, 2024 |
Discount rate at the time of purchase | true |
ProShares UltraShort Bloomberg Crude Oil [Member] | U.S. Treasury Bills 5.327% due 09/05/24 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 5.327% |
Investment, maturity date | Sep. 05, 2024 |
Discount rate at the time of purchase | true |
ProShares UltraShort Bloomberg Natural Gas [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 61.00% |
Total short-term U.S. government and agency obligations, cost | $ 89,476,486 | 0
ProShares UltraShort Bloomberg Natural Gas [Member] | U.S. Treasury Bills 5.260% due 07/09/24 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 5.26% |
Investment, maturity date | Jul. 09, 2024 |
Discount rate at the time of purchase | true |
ProShares UltraShort Bloomberg Natural Gas [Member] | U.S. Treasury Bills 5.354% due 09/05/24 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 5.354% |
Investment, maturity date | Sep. 05, 2024 |
Discount rate at the time of purchase | true |
ProShares VIX Mid-Term Futures ETF [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 148.00% |
Total short-term U.S. government and agency obligations, cost | $ 49,519,896 | 0
ProShares VIX Mid-Term Futures ETF [Member] | U.S. Treasury Bills 5.295% due 09/05/24 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 5.295% |
Investment, maturity date | Sep. 05, 2024 |
Discount rate at the time of purchase | true |
ProShares VIX Short-Term Futures ETF [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 44.00% |
Total short-term U.S. government and agency obligations, cost | $ 64,756,905 | $ 59,648,776
ProShares VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 5.300% due 07/09/24 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 5.30% |
Investment, maturity date | Jul. 09, 2024 |
Discount rate at the time of purchase | true |
ProShares VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 5.354% due 09/05/24 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 5.354% |
Investment, maturity date | Sep. 05, 2024 |
Discount rate at the time of purchase | true |

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