|United States Natural Gas|
|The investment seeks to replicate the performance, net of expenses, of natural gas.
The trust will invest in futures contracts on natural gas traded on the NYMEX that is the near month contract to expire.|
| ||UNG||Category Avg|
|Annual Report Expense Ratio (net)||1.08%||N/A|
|Annual Holdings Turnover||N/A||N/A|
|Total Net Assets||NaN||N/A|