v3.22.2

Significant Accounting Policies - Valuation of Investments using Fair Value Hierarchy (Detail) - USD ($) | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | $ 1,955,263,379 | $ 2,638,188,751
ProShares Short Euro [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  |  | (5,400)
ProShares Short VIX Short-Term Futures ETF [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 152,935,969 | 179,090,997
ProShares Ultra Bloomberg Crude Oil [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 432,590,928 | 1,060,141,385
ProShares Ultra Bloomberg Natural Gas [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | (88,687,053) | 82,716,277
ProShares Ultra Euro [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 4,358,308 | 1,080,330
ProShares Ultra Gold [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 198,312,080 | 217,250,402
ProShares Ultra Silver [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 225,728,302 | 494,971,226
ProShares Ultra VIX Short-Term Futures ETF [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 278,695,835 | 94,826,399
ProShares Ultra Yen [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 915,819 | (93,112)
ProShares UltraShort Australian Dollar [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  |  | 1,934,720
ProShares UltraShort Bloomberg Crude Oil [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 261,152,437 | 47,506,561
ProShares UltraShort Bloomberg Natural Gas [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 213,648,469 | 137,257,799
ProShares UltraShort Euro [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 23,080,195 | 46,753,084
ProShares UltraShort Gold [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 15,472,713 | 25,145,478
ProShares UltraShort Silver [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 17,369,296 | 21,725,340
ProShares UltraShort Yen [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 11,932,766 | 21,857,405
ProShares VIX Mid-Term Futures ETF [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 34,855,669 | 85,298,581
ProShares VIX Short-Term Futures ETF [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 172,901,646 | 120,731,279
Level I - Quoted Prices [Member] | Short-Term U.S. Government and Agencies [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 2,082,952,015 | 2,505,429,337
Level I - Quoted Prices [Member] | Futures Contracts [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure | [1] | 85,111,242 | 22,341,123
Level I - Quoted Prices [Member] | ProShares Short Euro [Member] | Futures Contracts [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure | [1] |  | (5,400)
Level I - Quoted Prices [Member] | ProShares Short VIX Short-Term Futures ETF [Member] | Short-Term U.S. Government and Agencies [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 151,418,355 | 147,815,719
Level I - Quoted Prices [Member] | ProShares Short VIX Short-Term Futures ETF [Member] | Futures Contracts [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure | [1] | 1,517,614 | 31,275,278
Level I - Quoted Prices [Member] | ProShares Ultra Bloomberg Crude Oil [Member] | Short-Term U.S. Government and Agencies [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 526,423,284 | 848,757,567
Level I - Quoted Prices [Member] | ProShares Ultra Bloomberg Crude Oil [Member] | Futures Contracts [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure | [1] | 58,454,799 | 147,455,525
Level I - Quoted Prices [Member] | ProShares Ultra Bloomberg Natural Gas [Member] | Short-Term U.S. Government and Agencies [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 105,739,904 | 90,922,438
Level I - Quoted Prices [Member] | ProShares Ultra Bloomberg Natural Gas [Member] | Futures Contracts [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure | [1] | (194,426,957) | (8,206,161)
Level I - Quoted Prices [Member] | ProShares Ultra Euro [Member] | Short-Term U.S. Government and Agencies [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 4,690,703 | 997,678
Level I - Quoted Prices [Member] | ProShares Ultra Gold [Member] | Short-Term U.S. Government and Agencies [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 208,696,447 | 207,956,320
Level I - Quoted Prices [Member] | ProShares Ultra Gold [Member] | Futures Contracts [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure | [1] | (3,932,509) | 654,894
Level I - Quoted Prices [Member] | ProShares Ultra Silver [Member] | Short-Term U.S. Government and Agencies [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 290,458,173 | 451,872,982
Level I - Quoted Prices [Member] | ProShares Ultra Silver [Member] | Futures Contracts [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure | [1] | (4,317,941) | 2,506,545
Level I - Quoted Prices [Member] | ProShares Ultra VIX Short-Term Futures ETF [Member] | Short-Term U.S. Government and Agencies [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 243,251,317 | 221,660,593
Level I - Quoted Prices [Member] | ProShares Ultra VIX Short-Term Futures ETF [Member] | Futures Contracts [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure | [1] | 35,444,518 | (126,356,757)
Level I - Quoted Prices [Member] | ProShares Ultra Yen [Member] | Short-Term U.S. Government and Agencies [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 992,969 |
Level I - Quoted Prices [Member] | ProShares UltraShort Australian Dollar [Member] | Short-Term U.S. Government and Agencies [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  |  | 1,999,875
Level I - Quoted Prices [Member] | ProShares UltraShort Australian Dollar [Member] | Futures Contracts [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure | [1] |  | (65,155)
Level I - Quoted Prices [Member] | ProShares UltraShort Bloomberg Crude Oil [Member] | Short-Term U.S. Government and Agencies [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 232,635,606 | 55,916,023
Level I - Quoted Prices [Member] | ProShares UltraShort Bloomberg Crude Oil [Member] | Futures Contracts [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure | [1] | 28,516,831 | (8,409,462)
Level I - Quoted Prices [Member] | ProShares UltraShort Bloomberg Natural Gas [Member] | Short-Term U.S. Government and Agencies [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 59,578,128 | 123,821,548
Level I - Quoted Prices [Member] | ProShares UltraShort Bloomberg Natural Gas [Member] | Futures Contracts [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure | [1] | 154,070,341 | 13,436,251
Level I - Quoted Prices [Member] | ProShares UltraShort Euro [Member] | Short-Term U.S. Government and Agencies [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 19,885,112 | 46,961,125
Level I - Quoted Prices [Member] | ProShares UltraShort Euro [Member] | Futures Contracts [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure | [1] |  | 0
Level I - Quoted Prices [Member] | ProShares UltraShort Gold [Member] | Short-Term U.S. Government and Agencies [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 13,940,167 | 25,980,516
Level I - Quoted Prices [Member] | ProShares UltraShort Gold [Member] | Futures Contracts [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure | [1] | 811,562 | 158,079
Level I - Quoted Prices [Member] | ProShares UltraShort Silver [Member] | Short-Term U.S. Government and Agencies [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 12,979,368 | 22,994,261
Level I - Quoted Prices [Member] | ProShares UltraShort Silver [Member] | Futures Contracts [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure | [1] | 2,516,890 | 652,493
Level I - Quoted Prices [Member] | ProShares UltraShort Yen [Member] | Short-Term U.S. Government and Agencies [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 10,961,261 | 20,987,825
Level I - Quoted Prices [Member] | ProShares UltraShort Yen [Member] | Futures Contracts [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure | [1] |  | 0
Level I - Quoted Prices [Member] | ProShares VIX Mid-Term Futures ETF [Member] | Short-Term U.S. Government and Agencies [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 31,775,002 | 85,922,969
Level I - Quoted Prices [Member] | ProShares VIX Mid-Term Futures ETF [Member] | Futures Contracts [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure | [1] | 3,080,667 | (624,388)
Level I - Quoted Prices [Member] | ProShares VIX Short-Term Futures ETF [Member] | Short-Term U.S. Government and Agencies [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 169,526,219 | 150,861,898
Level I - Quoted Prices [Member] | ProShares VIX Short-Term Futures ETF [Member] | Futures Contracts [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure | [1] | 3,375,427 | (30,130,619)
Level II - Other Significant Observable Inputs [Member] | Foreign Currency Forward Contracts [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 3,757,043 | 651,079
Level II - Other Significant Observable Inputs [Member] | Swap Agreements [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | (216,556,921) | 109,767,212
Level II - Other Significant Observable Inputs [Member] | ProShares Ultra Bloomberg Crude Oil [Member] | Swap Agreements [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | (152,287,155) | 63,928,293
Level II - Other Significant Observable Inputs [Member] | ProShares Ultra Euro [Member] | Foreign Currency Forward Contracts [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | (332,395) | 82,652
Level II - Other Significant Observable Inputs [Member] | ProShares Ultra Gold [Member] | Swap Agreements [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | (6,451,858) | 8,639,188
Level II - Other Significant Observable Inputs [Member] | ProShares Ultra Silver [Member] | Swap Agreements [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | (60,411,930) | 40,591,699
Level II - Other Significant Observable Inputs [Member] | ProShares Ultra VIX Short-Term Futures ETF [Member] | Swap Agreements [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  |  | (477,437)
Level II - Other Significant Observable Inputs [Member] | ProShares Ultra Yen [Member] | Foreign Currency Forward Contracts [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | (77,150) | (93,112)
Level II - Other Significant Observable Inputs [Member] | ProShares UltraShort Euro [Member] | Foreign Currency Forward Contracts [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 3,195,083 | (208,041)
Level II - Other Significant Observable Inputs [Member] | ProShares UltraShort Gold [Member] | Swap Agreements [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 720,984 | (993,117)
Level II - Other Significant Observable Inputs [Member] | ProShares UltraShort Silver [Member] | Swap Agreements [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | 1,873,038 | (1,921,414)
Level II - Other Significant Observable Inputs [Member] | ProShares UltraShort Yen [Member] | Foreign Currency Forward Contracts [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Investments, fair value disclosure |  | $ 971,505 | $ 869,580
[1] | Includes cumulative appreciation (depreciation) of futures contracts as reported in the Schedule of Investments. Only current day’s variation margin is reported within the Statements of Financial Condition in receivable/payable on open futures.

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- Definition Fair value of investment other than investment in equity security, investment in debt security and equity method investment. Includes, but is not limited to, investment in certain entities that calculate net asset value per share. Example includes, but is not limited to, investment in hedge fund, venture capital fund, private equity fund, and real estate partnership or fund. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 6A -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=SL6742756-110258 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 35 -Paragraph 54B -URI https://asc.fasb.org/extlink&oid=126972413&loc=SL7495116-110257 + Details
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