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
|
|