|ProShares UltraShort Bloomberg Crude Oil|
|The investment seeks to provide daily investment results (before fees and expenses) that correspond to twice (200%) the inverse of the daily performance of the Bloomberg WTI Crude Oil SubindexSM.
The “UltraShort” Funds seek daily results that match (before fees and expenses) two times the inverse (-2x) of the daily performance of a benchmark. The UltraShort Funds do not seek to achieve their stated objectives over a period greater than a single day. The Bloomberg WTI Crude Oil SubindexSM is designed to track crude oil futures prices.|
| ||SCO||Category Avg|
|Annual Report Expense Ratio (net)||0.98%||N/A|
|Annual Holdings Turnover||0.00%||N/A|
|Total Net Assets||NaN||N/A|