v3.22.2

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, 2022 | Dec. 31, 2021
Schedule of Investments [Line Items] |  |
Total short-term U.S. government and agency obligations, cost | $ 2,087,271,449 | $ 2,505,722,885
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 | 38.00% |
Total short-term U.S. government and agency obligations, cost | $ 151,906,089 | 147,851,244
ProShares Short VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.967% due 07/14/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.967% |
Discount rate at the time of purchase | true |
Investment, maturity date | Jul. 14, 2022 |
ProShares Short VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 1.014% due 07/21/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 1.014% |
Discount rate at the time of purchase | true |
Investment, maturity date | Jul. 21, 2022 |
ProShares Short VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.223% due 11/03/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.223% |
Discount rate at the time of purchase | true |
Investment, maturity date | Nov. 03, 2022 |
ProShares Ultra Bloomberg Crude Oil [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 50.00% |
Total short-term U.S. government and agency obligations, cost | $ 527,457,948 | 848,800,309
ProShares Ultra Bloomberg Crude Oil [Member] | Federal Home Loan Discount Notes 1.000% due 07/01/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 1.00% |
Discount rate at the time of purchase | true |
Investment, maturity date | Jul. 01, 2022 |
ProShares Ultra Bloomberg Crude Oil [Member] | U.S. Treasury Bills 0.393% due 07/21/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.393% |
Discount rate at the time of purchase | true |
Investment, maturity date | Jul. 21, 2022 |
ProShares Ultra Bloomberg Crude Oil [Member] | U.S. Treasury Bills 0.706% due 08/18/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.706% |
Discount rate at the time of purchase | true |
Investment, maturity date | Aug. 18, 2022 |
ProShares Ultra Bloomberg Crude Oil [Member] | U.S. Treasury Bills 0.637% due 11/03/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.637% |
Discount rate at the time of purchase | true |
Investment, maturity date | Nov. 03, 2022 |
ProShares Ultra Bloomberg Natural Gas [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 56.00% |
Total short-term U.S. government and agency obligations, cost | $ 105,954,114 | 90,936,719
ProShares Ultra Bloomberg Natural Gas [Member] | U.S. Treasury Bills 0.967% due 07/14/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.967% |
Discount rate at the time of purchase | true |
Investment, maturity date | Jul. 14, 2022 |
ProShares Ultra Bloomberg Natural Gas [Member] | U.S. Treasury Bills 0.393% due 07/21/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.393% |
Discount rate at the time of purchase | true |
Investment, maturity date | Jul. 21, 2022 |
ProShares Ultra Bloomberg Natural Gas [Member] | U.S. Treasury Bills 0.223% due 11/03/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.223% |
Discount rate at the time of purchase | true |
Investment, maturity date | Nov. 03, 2022 |
ProShares Ultra Euro [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 50.00% |
Total short-term U.S. government and agency obligations, cost | $ 4,695,823 | 998,130
ProShares Ultra Euro [Member] | U.S. Treasury Bills 0.393% due 07/21/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.393% |
Discount rate at the time of purchase | true |
Investment, maturity date | Jul. 21, 2022 |
ProShares Ultra Euro [Member] | U.S. Treasury Bills 0.554% due 11/03/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.554% |
Discount rate at the time of purchase | true |
Investment, maturity date | Nov. 03, 2022 |
ProShares Ultra Gold [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 87.00% |
Total short-term U.S. government and agency obligations, cost | $ 208,875,314 | 207,964,168
ProShares Ultra Gold [Member] | U.S. Treasury Bills 0.967% due 07/14/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.967% |
Discount rate at the time of purchase | true |
Investment, maturity date | Jul. 14, 2022 |
ProShares Ultra Gold [Member] | U.S. Treasury Bills 0.393% due 07/21/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.393% |
Discount rate at the time of purchase | true |
Investment, maturity date | Jul. 21, 2022 |
ProShares Ultra Gold [Member] | U.S. Treasury Bills 0.706% due 08/18/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.706% |
Discount rate at the time of purchase | true |
Investment, maturity date | Aug. 18, 2022 |
ProShares Ultra Gold [Member] | U.S. Treasury Bills 0.223% due 11/03/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.223% |
Discount rate at the time of purchase | true |
Investment, maturity date | Nov. 03, 2022 |
ProShares Ultra Silver [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 82.00% |
Total short-term U.S. government and agency obligations, cost | $ 290,825,356 | 451,896,236
ProShares Ultra Silver [Member] | U.S. Treasury Bills 0.967% due 07/14/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.967% |
Discount rate at the time of purchase | true |
Investment, maturity date | Jul. 14, 2022 |
ProShares Ultra Silver [Member] | U.S. Treasury Bills 0.818% due 07/21/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.818% |
Discount rate at the time of purchase | true |
Investment, maturity date | Jul. 21, 2022 |
ProShares Ultra Silver [Member] | U.S. Treasury Bills 0.674% due 07/28/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.674% |
Discount rate at the time of purchase | true |
Investment, maturity date | Jul. 28, 2022 |
ProShares Ultra Silver [Member] | U.S. Treasury Bills 0.706% due 08/18/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.706% |
Discount rate at the time of purchase | true |
Investment, maturity date | Aug. 18, 2022 |
ProShares Ultra Silver [Member] | U.S. Treasury Bills 0.223% due 11/03/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.223% |
Discount rate at the time of purchase | true |
Investment, maturity date | Nov. 03, 2022 |
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 | 25.00% |
Total short-term U.S. government and agency obligations, cost | $ 243,860,580 | 221,725,609
ProShares Ultra VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.967% due 07/14/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.967% |
Discount rate at the time of purchase | true |
Investment, maturity date | Jul. 14, 2022 |
ProShares Ultra VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.393% due 07/21/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.393% |
Discount rate at the time of purchase | true |
Investment, maturity date | Jul. 21, 2022 |
ProShares Ultra VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.674% due 07/28/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.674% |
Discount rate at the time of purchase | true |
Investment, maturity date | Jul. 28, 2022 |
ProShares Ultra VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.223% due 11/03/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.223% |
Discount rate at the time of purchase | true |
Investment, maturity date | Nov. 03, 2022 |
ProShares Ultra Yen [Member] |  |
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 | $ 998,111 | 0
ProShares Ultra Yen [Member] | U.S. Treasury Bills 0.554% due 11/03/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.554% |
Discount rate at the time of purchase | true |
Investment, maturity date | Nov. 03, 2022 |
ProShares UltraShort Bloomberg Crude Oil [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 46.00% |
Total short-term U.S. government and agency obligations, cost | $ 232,892,020 | 55,932,300
ProShares UltraShort Bloomberg Crude Oil [Member] | U.S. Treasury Bills 0.967% due 07/14/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.967% |
Discount rate at the time of purchase | true |
Investment, maturity date | Jul. 14, 2022 |
ProShares UltraShort Bloomberg Crude Oil [Member] | U.S. Treasury Bills 0.824% due 07/21/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.824% |
Discount rate at the time of purchase | true |
Investment, maturity date | Jul. 21, 2022 |
ProShares UltraShort Bloomberg Crude Oil [Member] | U.S. Treasury Bills 0.674% due 07/28/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.674% |
Discount rate at the time of purchase | true |
Investment, maturity date | Jul. 28, 2022 |
ProShares UltraShort Bloomberg Crude Oil [Member] | U.S. Treasury Bills 0.223% due 11/03/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.223% |
Discount rate at the time of purchase | true |
Investment, maturity date | Nov. 03, 2022 |
ProShares UltraShort Bloomberg Natural Gas [Member] |  |
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 | $ 59,954,167 | 123,855,553
ProShares UltraShort Bloomberg Natural Gas [Member] | U.S. Treasury Bills 0.223% due 11/03/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.223% |
Discount rate at the time of purchase | true |
Investment, maturity date | Nov. 03, 2022 |
ProShares UltraShort Euro [Member] |  |
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 | $ 19,986,920 | 46,968,288
ProShares UltraShort Euro [Member] | U.S. Treasury Bills 0.393% due 07/21/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.393% |
Discount rate at the time of purchase | true |
Investment, maturity date | Jul. 21, 2022 |
ProShares UltraShort Euro [Member] | U.S. Treasury Bills 0.223% due 11/03/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.223% |
Discount rate at the time of purchase | true |
Investment, maturity date | Nov. 03, 2022 |
ProShares UltraShort Gold [Member] |  |
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 | $ 13,992,602 | 25,984,097
ProShares UltraShort Gold [Member] | U.S. Treasury Bills 0.393% due 07/21/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.393% |
Discount rate at the time of purchase | true |
Investment, maturity date | Jul. 21, 2022 |
ProShares UltraShort Gold [Member] | U.S. Treasury Bills 0.223% due 11/03/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.223% |
Discount rate at the time of purchase | true |
Investment, maturity date | Nov. 03, 2022 |
ProShares UltraShort Silver [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 39.00% |
Total short-term U.S. government and agency obligations, cost | $ 12,996,113 | 22,995,121
ProShares UltraShort Silver [Member] | U.S. Treasury Bills 0.393% due 07/21/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.393% |
Discount rate at the time of purchase | true |
Investment, maturity date | Jul. 21, 2022 |
ProShares UltraShort Silver [Member] | U.S. Treasury Bills 0.223% due 11/03/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.223% |
Discount rate at the time of purchase | true |
Investment, maturity date | Nov. 03, 2022 |
ProShares UltraShort Yen [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 24.00% |
Total short-term U.S. government and agency obligations, cost | $ 10,994,894 | 20,990,068
ProShares UltraShort Yen [Member] | U.S. Treasury Bills 0.393% due 07/21/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.393% |
Discount rate at the time of purchase | true |
Investment, maturity date | Jul. 21, 2022 |
ProShares UltraShort Yen [Member] | U.S. Treasury Bills 0.223% due 11/03/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.223% |
Discount rate at the time of purchase | true |
Investment, maturity date | Nov. 03, 2022 |
ProShares VIX Mid-Term Futures ETF [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 33.00% |
Total short-term U.S. government and agency obligations, cost | $ 31,975,556 | 85,937,303
ProShares VIX Mid-Term Futures ETF [Member] | U.S. Treasury Bills 0.223% due 11/03/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.223% |
Discount rate at the time of purchase | true |
Investment, maturity date | Nov. 03, 2022 |
ProShares VIX Short-Term Futures ETF [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 50.00% |
Total short-term U.S. government and agency obligations, cost | $ 169,905,842 | $ 150,887,871
ProShares VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.967% due 07/14/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.967% |
Discount rate at the time of purchase | true |
Investment, maturity date | Jul. 14, 2022 |
ProShares VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.894% due 07/21/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.894% |
Discount rate at the time of purchase | true |
Investment, maturity date | Jul. 21, 2022 |
ProShares VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.674% due 07/28/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.674% |
Discount rate at the time of purchase | true |
Investment, maturity date | Jul. 28, 2022 |
ProShares VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.223% due 11/03/22 [Member] |  |
Schedule of Investments [Line Items] |  |
Interest rate | 0.223% |
Discount rate at the time of purchase | true |
Investment, maturity date | Nov. 03, 2022 |

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