|PowerShares DB Commodity Dble Long ETN|
|The investment seeks to replicate, net of expenses, twice the daily performance of the Deutsche Bank Liquid Commodity Index - Optimum Yield.
The index is intended to reflect changes in the market value of certain commodity futures contracts based on crude oil, heating oil, corn, wheat, gold and aluminum. The T-Bill Index is intended to approximate the returns from investing in 3-month United States Treasury bills on a rolling basis.|
| ||DYY||Category Avg|
|Annual Report Expense Ratio (net)||0.75%||N/A|
|Annual Holdings Turnover||0.00%||N/A|
|Total Net Assets||NaN||N/A|