|Fidelity Covington Trust - Fidelity MSCI Information Technology Index ETF|
|The investment seeks to provide investment returns that correspond, before fees and expenses, generally to the performance of the MSCI USA IMI Information Technology Index.
The fund invests at least 80% of assets in securities included in the fund's underlying index. The fund's underlying index is the MSCI USA IMI Information Technology Index, which represents the performance of the information technology sector in the U.S. equity market. It may or may not hold all of the securities in the MSCI USA IMI Information Technology Index. The fund is non-diversified.|
| ||FTEC||Category Avg|
|Annual Report Expense Ratio (net)||0.12%||N/A|
|Annual Holdings Turnover||6.00%||N/A|
|Total Net Assets||NaN||N/A|