|iShares Core US Aggregate Bond|
|The investment seeks to track the investment results of an index composed of the total U.S. investment-grade bond market.
The fund seeks to track the investment results of the Barclays U.S. Aggregate Bond Index, which measures the performance of the total U.S. investment-grade bond market. The underlying index includes investment-grade U.S. Treasury bonds, government-related bonds, corporate bonds, mortgage-backed pass-through securities, commercial mortgage-backed securities and asset-backed securities that are publicly offered for sale in the United States.|
| ||AGG||Category Avg|
|Annual Report Expense Ratio (net)||0.08%||N/A|
|Annual Holdings Turnover||180.00%||N/A|
|Total Net Assets||NaN||N/A|