XML 36 R20.htm IDEA: XBRL DOCUMENT v3.22.0.1
Annual Total Returns - Fidelity International Multifactor ETF [BarChart] - 12.31 Fidelity International Factor ETFs Combo PRO-09 - Fidelity International Multifactor ETF
Mar. 01, 2022
Bar Chart Table:  
Annual Return, Inception Date Feb. 26, 2019
Fidelity International Multifactor ETF  
Bar Chart Table:  
Annual Return 2020 4.88%
Annual Return 2021 10.85%