Organization - Schedule of Share Splits and Reverse Share Splits (Detail) - April 20, 2020 Reverse Share Split [Member] |
3 Months Ended |
|---|---|
Mar. 31, 2021 | |
| Proshares Ultra Bloomberg Crude Oil [Member] | |
| Organization [Line Items] | |
| Execution Date (Prior to Opening of Trading) | Apr. 20, 2020 |
| Type of Split | 1-for-25 reverse Share split |
| Date Trading Resumed at Post- Split Price | Apr. 21, 2020 |
| ProShares Ultra Bloomberg Natural Gas [Member] | |
| Organization [Line Items] | |
| Execution Date (Prior to Opening of Trading) | Apr. 20, 2020 |
| Type of Split | 1-for-10 reverse Share split |
| Date Trading Resumed at Post- Split Price | Apr. 21, 2020 |