|PowerShares Water Resources ETF|
|The investment seeks investment results that generally correspond (before fees and expenses) to the price and yield of the NASDAQ OMX US Water IndexSM.
The fund generally will invest at least 90% of its total assets in common stocks and American depositary receipts ("ADRs") of companies in the water industry that comprise the underlying index. The underlying index seeks to track the performance of U.S. exchange-listed companies that create products designed to conserve and purify water for homes, businesses and industries. The fund is non-diversified.|
| ||PHO||Category Avg|
|Annual Report Expense Ratio (net)||0.61%||N/A|
|Annual Holdings Turnover||NaN||N/A|
|Total Net Assets||NaN||N/A|