Investments - Effect of Derivative Instruments on Statements of Operations (Detail) - USD ($)
|
12 Months Ended |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
$ (2,716,520,875)
|
$ 321,313,828
|
[1] |
$ (1,555,465,807)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
143,926,302
|
(215,342,862)
|
[1] |
(71,022,065)
|
| ProShares Short VIX Short-Term Futures ETF [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
160,494,706
|
21,368,088
|
|
194,998,324
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
1,542,809
|
(20,123,277)
|
|
22,890,058
|
| ProShares Ultra VIX Short-Term Futures ETF [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
(940,103,052)
|
(151,299,433)
|
|
(1,983,414,849)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
5,368,159
|
90,347,140
|
|
(78,354,915)
|
| ProShares VIX Mid-Term Futures ETF [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
(38,709,532)
|
9,333,594
|
|
(15,245,794)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
1,039,896
|
(4,146,850)
|
|
494,235
|
| ProShares VIX Short-Term Futures ETF [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
(275,363,159)
|
(35,673,890)
|
|
(360,304,827)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
126,426
|
20,377,669
|
|
(23,793,649)
|
| ProShares Ultra Bloomberg Crude Oil [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
100,808,721
|
728,828,780
|
|
952,826,131
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
(86,020,999)
|
(110,838,459)
|
|
48,532,601
|
| ProShares Ultra Bloomberg Natural Gas [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
(2,080,655,811)
|
109,675,787
|
|
(51,850,483)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
354,183,787
|
(302,342,668)
|
|
(14,721,467)
|
| ProShares Ultra Gold [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
21,400,830
|
(32,910,658)
|
|
(31,323,946)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
(2,575,471)
|
475,522
|
|
1,497,196
|
| ProShares Ultra Silver [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
7,175,146
|
(68,909,709)
|
|
(172,447,879)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
(59,096,598)
|
25,616,009
|
|
(50,874,626)
|
| ProShares UltraShort Bloomberg Crude Oil [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
12,367,670
|
(108,954,702)
|
|
(105,294,702)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
12,181,761
|
18,690,259
|
|
6,211,074
|
| ProShares UltraShort Bloomberg Natural Gas [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
306,795,581
|
(165,453,289)
|
|
9,183,902
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
(89,455,705)
|
72,499,952
|
|
13,022,687
|
| ProShares UltraShort Gold [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
(2,180,686)
|
2,576,565
|
|
(2,448,551)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
347,791
|
146,776
|
|
(372,961)
|
| ProShares UltraShort Silver [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
13,437,583
|
(1,670,159)
|
|
(17,795)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
3,537,995
|
(1,393,342)
|
|
2,147,856
|
| ProShares Ultra Euro [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
293,493
|
(959,302)
|
|
(498,935)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
(108,707)
|
333,456
|
|
(6,536)
|
| ProShares Ultra Yen [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
(2,637,502)
|
(1,140,278)
|
|
(442,664)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
534,736
|
1,077,661
|
|
(160,199)
|
| ProShares UltraShort Euro [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
(2,624,737)
|
7,003,039
|
|
6,311,782
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
607,675
|
(2,241,250)
|
|
921,251
|
| ProShares UltraShort Yen [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
2,979,874
|
9,123,513
|
|
4,126,928
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
1,712,747
|
(3,892,009)
|
|
1,432,303
|
| Not Designated as Hedging Instrument [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
(2,716,361,247)
|
321,211,639
|
|
(1,555,995,693)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
144,054,886
|
(215,963,582)
|
|
(70,709,656)
|
| Not Designated as Hedging Instrument [Member] | VIX Futures Contracts [Member] | Net realized gain (loss) on futures contracts/ changes in unrealized appreciation (depreciation) on futures contracts [Member] | ProShares Short VIX Short-Term Futures ETF [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
160,516,553
|
|
|
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
1,548,243
|
|
|
|
| Not Designated as Hedging Instrument [Member] | VIX Futures Contracts [Member] | Net realized gain (loss) on futures contracts/ changes in unrealized appreciation (depreciation) on futures contracts [Member] | ProShares Ultra VIX Short-Term Futures ETF [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
(940,116,773)
|
|
|
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
5,371,542
|
|
|
|
| Not Designated as Hedging Instrument [Member] | VIX Futures Contracts [Member] | Net realized gain (loss) on futures contracts/ changes in unrealized appreciation (depreciation) on futures contracts [Member] | ProShares VIX Mid-Term Futures ETF [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
(38,709,532)
|
|
|
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
1,045,547
|
|
|
|
| Not Designated as Hedging Instrument [Member] | VIX Futures Contracts [Member] | Net realized gain (loss) on futures contracts/ changes in unrealized appreciation (depreciation) on futures contracts [Member] | ProShares VIX Short-Term Futures ETF [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
(275,353,500)
|
|
|
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
132,729
|
|
|
|
| Not Designated as Hedging Instrument [Member] | VIX Futures Contracts [Member] | Net realized gain (loss) on futures contracts and/or swap agreements/ changes in unrealized appreciation (depreciation) on futures contracts and/or swap agreements [Member] | ProShares Short VIX Short-Term Futures ETF [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
21,454,600
|
|
194,879,700
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
(20,182,897)
|
|
22,926,495
|
| Not Designated as Hedging Instrument [Member] | VIX Futures Contracts [Member] | Net realized gain (loss) on futures contracts and/or swap agreements/ changes in unrealized appreciation (depreciation) on futures contracts and/or swap agreements [Member] | ProShares Ultra VIX Short-Term Futures ETF [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
(150,931,020)
|
|
(1,983,514,595)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
90,278,741
|
|
(78,284,721)
|
| Not Designated as Hedging Instrument [Member] | VIX Futures Contracts [Member] | Net realized gain (loss) on futures contracts and/or swap agreements/ changes in unrealized appreciation (depreciation) on futures contracts and/or swap agreements [Member] | ProShares VIX Mid-Term Futures ETF [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
9,333,930
|
|
(15,267,976)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
(4,166,835)
|
|
509,228
|
| Not Designated as Hedging Instrument [Member] | VIX Futures Contracts [Member] | Net realized gain (loss) on futures contracts and/or swap agreements/ changes in unrealized appreciation (depreciation) on futures contracts and/or swap agreements [Member] | ProShares VIX Short-Term Futures ETF [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
(35,674,319)
|
|
(360,342,488)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
20,333,796
|
|
(23,766,529)
|
| Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Net realized gain (loss) on futures contracts and swap agreements/ changes in unrealized appreciation (depreciation) on futures contracts and swap agreements [Member] | ProShares Ultra Bloomberg Crude Oil [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
100,867,538
|
728,836,569
|
|
952,749,709
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
(86,011,590)
|
(110,932,525)
|
|
48,577,584
|
| Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Net realized gain (loss) on futures contracts and swap agreements/ changes in unrealized appreciation (depreciation) on futures contracts and swap agreements [Member] | ProShares Ultra Bloomberg Natural Gas [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
(2,080,656,703)
|
109,680,104
|
|
(51,858,807)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
354,221,039
|
(302,407,808)
|
|
(14,706,882)
|
| Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Net realized gain (loss) on futures contracts and swap agreements/ changes in unrealized appreciation (depreciation) on futures contracts and swap agreements [Member] | ProShares Ultra Gold [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
21,429,154
|
(32,909,950)
|
|
(31,344,564)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
(2,563,686)
|
444,472
|
|
1,506,228
|
| Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Net realized gain (loss) on futures contracts and swap agreements/ changes in unrealized appreciation (depreciation) on futures contracts and swap agreements [Member] | ProShares Ultra Silver [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
7,222,003
|
(68,901,992)
|
|
(172,475,230)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
(59,077,259)
|
25,552,542
|
|
(50,844,634)
|
| Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Net realized gain (loss) on futures contracts and swap agreements/ changes in unrealized appreciation (depreciation) on futures contracts and swap agreements [Member] | ProShares UltraShort Bloomberg Crude Oil [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
12,379,340
|
(108,954,702)
|
|
(105,340,654)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
12,191,426
|
18,654,355
|
|
6,227,351
|
| Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Net realized gain (loss) on futures contracts and swap agreements/ changes in unrealized appreciation (depreciation) on futures contracts and swap agreements [Member] | ProShares UltraShort Bloomberg Natural Gas [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
306,791,742
|
(165,347,108)
|
|
9,180,867
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
(89,442,905)
|
72,453,147
|
|
13,056,941
|
| Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Net realized gain (loss) on futures contracts and swap agreements/ changes in unrealized appreciation (depreciation) on futures contracts and swap agreements [Member] | ProShares UltraShort Gold [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
(2,180,686)
|
2,576,561
|
|
(2,454,946)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
347,791
|
143,195
|
|
(369,380)
|
| Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Net realized gain (loss) on futures contracts and swap agreements/ changes in unrealized appreciation (depreciation) on futures contracts and swap agreements [Member] | ProShares UltraShort Silver [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
13,438,489
|
(1,668,145)
|
|
(22,467)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
3,537,995
|
(1,394,202)
|
|
2,148,716
|
| Not Designated as Hedging Instrument [Member] | Foreign Exchange Contracts [Member] | Net realized gain (loss) on foreign currency forward contracts/ changes in unrealized appreciation (depreciation) on foreign currency forward contracts [Member] | ProShares Ultra Euro [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
293,493
|
(953,353)
|
|
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
(108,707)
|
333,004
|
|
|
| Not Designated as Hedging Instrument [Member] | Foreign Exchange Contracts [Member] | Net realized gain (loss) on foreign currency forward contracts/ changes in unrealized appreciation (depreciation) on foreign currency forward contracts [Member] | ProShares Ultra Yen [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
(2,637,502)
|
(1,141,826)
|
|
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
534,736
|
1,077,661
|
|
|
| Not Designated as Hedging Instrument [Member] | Foreign Exchange Contracts [Member] | Net realized gain (loss) on foreign currency forward contracts/ changes in unrealized appreciation (depreciation) on foreign currency forward contracts [Member] | ProShares UltraShort Euro [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
(2,624,737)
|
6,792,065
|
|
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
612,477
|
(2,253,215)
|
|
|
| Not Designated as Hedging Instrument [Member] | Foreign Exchange Contracts [Member] | Net realized gain (loss) on foreign currency forward contracts/ changes in unrealized appreciation (depreciation) on foreign currency forward contracts [Member] | ProShares UltraShort Yen [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
2,979,874
|
9,020,225
|
|
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
$ 1,715,508
|
$ (3,897,013)
|
|
|
| Not Designated as Hedging Instrument [Member] | Foreign Exchange Contracts [Member] | Net realized gain (loss) on futures and/ or foreign currency forward contracts/ changes in unrealized appreciation (depreciation) on futures and/ or foreign currency forward contracts [Member] | ProShares Short Euro [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
|
|
183,708
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
|
|
39,226
|
| Not Designated as Hedging Instrument [Member] | Foreign Exchange Contracts [Member] | Net realized gain (loss) on futures and/ or foreign currency forward contracts/ changes in unrealized appreciation (depreciation) on futures and/ or foreign currency forward contracts [Member] | ProShares UltraShort Australian Dollar [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
|
|
191,674
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
|
|
73,795
|
| Not Designated as Hedging Instrument [Member] | Foreign Exchange Contracts [Member] | Net realized gain (loss) on futures and/ or foreign currency forward contracts/ changes in unrealized appreciation (depreciation) on futures and/ or foreign currency forward contracts [Member] | ProShares Ultra Euro [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
|
|
(500,185)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
|
|
(6,084)
|
| Not Designated as Hedging Instrument [Member] | Foreign Exchange Contracts [Member] | Net realized gain (loss) on futures and/ or foreign currency forward contracts/ changes in unrealized appreciation (depreciation) on futures and/ or foreign currency forward contracts [Member] | ProShares Ultra Yen [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
|
|
(442,767)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
|
|
(160,199)
|
| Not Designated as Hedging Instrument [Member] | Foreign Exchange Contracts [Member] | Net realized gain (loss) on futures and/ or foreign currency forward contracts/ changes in unrealized appreciation (depreciation) on futures and/ or foreign currency forward contracts [Member] | ProShares UltraShort Euro [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
|
|
6,280,362
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
|
|
928,663
|
| Not Designated as Hedging Instrument [Member] | Foreign Exchange Contracts [Member] | Net realized gain (loss) on futures and/ or foreign currency forward contracts/ changes in unrealized appreciation (depreciation) on futures and/ or foreign currency forward contracts [Member] | ProShares UltraShort Yen [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
|
|
4,102,966
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
|
|
$ 1,434,546
|
|
|