|iShares S&P GSCI Commodity Indexed Trust|
|The Trust seeks to track the results of a fully collateralized investment in futures contracts on an index composed of a diversified group of commodities futures.
The Trust holds long positions in Index Futures whose settlement value at expiration is determined based on the value of the S&P GSCI-ER at that time. It also earns interest on its non-cash Collateral Assets. The index reflects the return of the S&P GSCI-ER, together with the return on specified U.S. Treasury securities that are deemed to have been held to collateralize a hypothetical long position in the futures contracts comprising the S&P GSCIâ¢.|
| ||GSG||Category Avg|
|Annual Report Expense Ratio (net)||0.82%||N/A|
|Annual Holdings Turnover||0.00%||N/A|
|Total Net Assets||NaN||N/A|