v3.24.1.u1

Significant Accounting Policies - Cut-off Times and Times of Calculation of Funds' Final Net Asset Value for Creation and Redemption of Fund Shares (Detail) | 3 Months Ended
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Mar. 31, 2024
ProShares UltraShort Silver [Member] |  |
Net Asset Value [Line Items] |  |
Create/Redeem Cut-off | 1:00 p.m. | [1]
NAV Calculation Time | 1:25 p.m. |
NAV Calculation Date | March 28, 2024 |
ProShares UltraShort Gold [Member] |  |
Net Asset Value [Line Items] |  |
Create/Redeem Cut-off | 1:00 p.m. | [1]
NAV Calculation Time | 1:30 p.m. |
NAV Calculation Date | March 28, 2024 |
ProShares UltraShort Bloomberg Natural Gas [Member] |  |
Net Asset Value [Line Items] |  |
Create/Redeem Cut-off | 2:00 p.m. | [1]
NAV Calculation Time | 2:30 p.m. |
NAV Calculation Date | March 28, 2024 |
ProShares UltraShort Yen [Member] |  |
Net Asset Value [Line Items] |  |
Create/Redeem Cut-off | 3:00 p.m. | [1]
NAV Calculation Time | 4:00 p.m. |
NAV Calculation Date | March 28, 2024 |
ProShares VIX Short-Term Futures ETF [Member] |  |
Net Asset Value [Line Items] |  |
Create/Redeem Cut-off | 2:00 p.m. | [1]
NAV Calculation Time | 4:00 p.m. |
NAV Calculation Date | March 28, 2024 |
[1] | Although the Funds’ shares may continue to trade on secondary markets subsequent to the calculation of the final NAV, these times represent the final opportunity to transact in creation or redemption units for the three months ended March 31, 2024.

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