v3.22.2

Investments - Fair Value of Derivative Instruments (Detail) - Not Designated as Hedging Instrument [Member] - USD ($) | Jun. 30, 2022 | Dec. 31, 2021
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Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative asset not designated as hedging instrument, Unrealized Appreciation | [1] | $ 320,754,275 | $ 311,946,820
Derivative liability not accounted as hedging instrument, Unrealized Depreciation | [1] | 448,442,911 | 179,187,406
VIX Futures Contracts [Member] | Payable on open futures contracts [Member] | ProShares Ultra VIX Short-Term Futures ETF [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative liability not accounted as hedging instrument, Unrealized Depreciation | [1] | 5,677,140 |
VIX Futures Contracts [Member] | Payable on open futures contracts [Member] | ProShares VIX Mid-Term Futures ETF [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative liability not accounted as hedging instrument, Unrealized Depreciation | [1] | 71,125 |
VIX Futures Contracts [Member] | Payable on open futures contracts [Member] | ProShares VIX Short-Term Futures ETF [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative liability not accounted as hedging instrument, Unrealized Depreciation | [1] | 1,810,355 |
VIX Futures Contracts [Member] | Receivables on open futures contracts [Member] | ProShares Short VIX Short-Term Futures ETF [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative asset not designated as hedging instrument, Unrealized Appreciation | [1] | 1,517,614 |
VIX Futures Contracts [Member] | Receivables on open futures contracts [Member] | ProShares Ultra VIX Short-Term Futures ETF [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative asset not designated as hedging instrument, Unrealized Appreciation | [1] | 41,121,658 |
VIX Futures Contracts [Member] | Receivables on open futures contracts [Member] | ProShares VIX Mid-Term Futures ETF [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative asset not designated as hedging instrument, Unrealized Appreciation | [1] | 3,151,792 |
VIX Futures Contracts [Member] | Receivables on open futures contracts [Member] | ProShares VIX Short-Term Futures ETF [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative asset not designated as hedging instrument, Unrealized Appreciation | [1] | 5,185,782 |
VIX Futures Contracts [Member] | Payable on open futures contracts, unrealized depreciation on swap agreements [Member] | ProShares Ultra VIX Short-Term Futures ETF [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative liability not accounted as hedging instrument, Unrealized Depreciation | [1] |  | 126,834,194
VIX Futures Contracts [Member] | Payable on open futures contracts, unrealized depreciation on swap agreements [Member] | ProShares VIX Mid-Term Futures ETF [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative liability not accounted as hedging instrument, Unrealized Depreciation | [1] |  | 1,266,423
VIX Futures Contracts [Member] | Payable on open futures contracts, unrealized depreciation on swap agreements [Member] | ProShares VIX Short-Term Futures ETF [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative liability not accounted as hedging instrument, Unrealized Depreciation | [1] |  | 30,130,619
VIX Futures Contracts [Member] | Receivables on open futures contracts, unrealized appreciation on swap agreements [Member] | ProShares Short VIX Short-Term Futures ETF [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative asset not designated as hedging instrument, Unrealized Appreciation | [1] |  | 31,275,278
VIX Futures Contracts [Member] | Receivables on open futures contracts, unrealized appreciation on swap agreements [Member] | ProShares VIX Mid-Term Futures ETF [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative asset not designated as hedging instrument, Unrealized Appreciation | [1] |  | 642,035
Commodity Contracts [Member] | Payable on open futures contracts and/or unrealized depreciation on swap agreements [Member] | ProShares UltraShort Bloomberg Crude Oil [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative liability not accounted as hedging instrument, Unrealized Depreciation | [1] | 352,389 | 8,958,745
Commodity Contracts [Member] | Payable on open futures contracts and/or unrealized depreciation on swap agreements [Member] | ProShares UltraShort Gold [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative liability not accounted as hedging instrument, Unrealized Depreciation | [1] |  | 993,117
Commodity Contracts [Member] | Payable on open futures contracts and/or unrealized depreciation on swap agreements [Member] | ProShares UltraShort Silver [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative liability not accounted as hedging instrument, Unrealized Depreciation | [1] |  | 1,921,414
Commodity Contracts [Member] | Payable on open futures contracts and/or unrealized depreciation on swap agreements [Member] | ProShares Ultra Bloomberg Crude Oil [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative liability not accounted as hedging instrument, Unrealized Depreciation | [1] | 170,218,095 |
Commodity Contracts [Member] | Payable on open futures contracts and/or unrealized depreciation on swap agreements [Member] | ProShares Ultra Bloomberg Natural Gas [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative liability not accounted as hedging instrument, Unrealized Depreciation | [1] | 194,426,957 | 8,206,161
Commodity Contracts [Member] | Payable on open futures contracts and/or unrealized depreciation on swap agreements [Member] | ProShares Ultra Gold [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative liability not accounted as hedging instrument, Unrealized Depreciation | [1] | 10,384,367 |
Commodity Contracts [Member] | Payable on open futures contracts and/or unrealized depreciation on swap agreements [Member] | ProShares Ultra Silver [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative liability not accounted as hedging instrument, Unrealized Depreciation | [1] | 64,729,871 |
Commodity Contracts [Member] | Receivables on open futures contracts and/or unrealized appreciation on swap agreements [Member] | ProShares UltraShort Bloomberg Crude Oil [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative asset not designated as hedging instrument, Unrealized Appreciation | [1] | 28,869,220 | 549,283
Commodity Contracts [Member] | Receivables on open futures contracts and/or unrealized appreciation on swap agreements [Member] | ProShares UltraShort Bloomberg Natural Gas [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative asset not designated as hedging instrument, Unrealized Appreciation | [1] | 154,070,341 | 13,436,251
Commodity Contracts [Member] | Receivables on open futures contracts and/or unrealized appreciation on swap agreements [Member] | ProShares UltraShort Gold [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative asset not designated as hedging instrument, Unrealized Appreciation | [1] | 1,532,546 | 158,079
Commodity Contracts [Member] | Receivables on open futures contracts and/or unrealized appreciation on swap agreements [Member] | ProShares UltraShort Silver [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative asset not designated as hedging instrument, Unrealized Appreciation | [1] | 4,389,928 | 652,493
Commodity Contracts [Member] | Receivables on open futures contracts and/or unrealized appreciation on swap agreements [Member] | ProShares Ultra Bloomberg Crude Oil [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative asset not designated as hedging instrument, Unrealized Appreciation | [1] | 76,385,739 | 211,383,818
Commodity Contracts [Member] | Receivables on open futures contracts and/or unrealized appreciation on swap agreements [Member] | ProShares Ultra Gold [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative asset not designated as hedging instrument, Unrealized Appreciation | [1] |  | 9,294,082
Commodity Contracts [Member] | Receivables on open futures contracts and/or unrealized appreciation on swap agreements [Member] | ProShares Ultra Silver [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative asset not designated as hedging instrument, Unrealized Appreciation | [1] |  | 43,098,244
Foreign Exchange Contracts [Member] | Unrealized Depreciation on Foreign Currency Forward Contracts, and/or Payable on Open Futures Contracts [Member] | ProShares Short Euro [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative liability not accounted as hedging instrument, Unrealized Depreciation | [1] |  | 5,400
Foreign Exchange Contracts [Member] | Unrealized Depreciation on Foreign Currency Forward Contracts, and/or Payable on Open Futures Contracts [Member] | ProShares Ultra Euro [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative liability not accounted as hedging instrument, Unrealized Depreciation |  | 350,034 | 1,498
Foreign Exchange Contracts [Member] | Unrealized Depreciation on Foreign Currency Forward Contracts, and/or Payable on Open Futures Contracts [Member] | ProShares UltraShort Australian Dollar [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative liability not accounted as hedging instrument, Unrealized Depreciation | [1] |  | 65,155
Foreign Exchange Contracts [Member] | Unrealized Depreciation on Foreign Currency Forward Contracts, and/or Payable on Open Futures Contracts [Member] | ProShares Ultra Yen [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative liability not accounted as hedging instrument, Unrealized Depreciation |  | 79,162 | 93,933
Foreign Exchange Contracts [Member] | Unrealized Depreciation on Foreign Currency Forward Contracts, and/or Payable on Open Futures Contracts [Member] | ProShares UltraShort Euro [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative liability not accounted as hedging instrument, Unrealized Depreciation |  | 187,210 | 343,159
Foreign Exchange Contracts [Member] | Unrealized Depreciation on Foreign Currency Forward Contracts, and/or Payable on Open Futures Contracts [Member] | ProShares UltraShort Yen [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative liability not accounted as hedging instrument, Unrealized Depreciation |  | 156,206 | 367,588
Foreign Exchange Contracts [Member] | Unrealized Appreciation on Foreign Currency Forward Contracts, and/or Receivables on Open Futures Contracts [Member] | ProShares Ultra Euro [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative asset not designated as hedging instrument, Unrealized Appreciation |  | 17,639 | 84,150
Foreign Exchange Contracts [Member] | Unrealized Appreciation on Foreign Currency Forward Contracts, and/or Receivables on Open Futures Contracts [Member] | ProShares Ultra Yen [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative asset not designated as hedging instrument, Unrealized Appreciation |  | 2,012 | 821
Foreign Exchange Contracts [Member] | Unrealized Appreciation on Foreign Currency Forward Contracts, and/or Receivables on Open Futures Contracts [Member] | ProShares UltraShort Euro [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative asset not designated as hedging instrument, Unrealized Appreciation |  | 3,382,293 | 135,118
Foreign Exchange Contracts [Member] | Unrealized Appreciation on Foreign Currency Forward Contracts, and/or Receivables on Open Futures Contracts [Member] | ProShares UltraShort Yen [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative asset not designated as hedging instrument, Unrealized Appreciation |  | $ 1,127,711 | $ 1,237,168
[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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