0000945908 2024-02-09 2024-02-09 0000945908 fmr:FidelityActiveEquityETFs-ComboPROMember fmr:S000070233Member 2024-02-09 2024-02-09 0000945908 fmr:FidelityActiveEquityETFs-ComboPROMember fmr:S000070233Member fmr:C000223344Member 2024-02-09 2024-02-09 0000945908 fmr:FidelityActiveEquityETFs-ComboPROMember fmr:S000068174Member 2024-02-09 2024-02-09 0000945908 fmr:FidelityActiveEquityETFs-ComboPROMember fmr:S000068174Member fmr:C000218330Member 2024-02-09 2024-02-09 0000945908 fmr:FidelityActiveEquityETFs-ComboPROMember fmr:S000070236Member 2024-02-09 2024-02-09 0000945908 fmr:FidelityActiveEquityETFs-ComboPROMember fmr:S000070236Member fmr:C000223347Member 2024-02-09 2024-02-09 iso4217:USD pure 497 2023-07-31 false 0000945908 N-1A Fidelity Covington Trust Supplement to the Fidelity® Blue Chip Growth ETF, Fidelity® Blue Chip Value ETF, Fidelity® Growth Opportunities ETF, Fidelity® Magellan℠ ETF, Fidelity® New Millennium ETF, Fidelity® Real Estate Investment ETF, Fidelity® Small-Mid Cap Opportunities ETF, Fidelity® Sustainable U.S. Equity ETF, and Fidelity® Women's Leadership ETF November 29, 2023 Prospectus Annual Operating Expenses 0.0038 0 0.0000 0.0038 Adjusted to reflect current fees. 39 122 213 480 Annual Operating Expenses 0.0038 0 0.0000 0.0038 Adjusted to reflect current fees. 39 122 213 480 Annual Operating Expenses 0.0043 0 0.0000 0.0043 Adjusted to reflect current fees. 44 138 241 542 AAdjusted to reflect current fees. AAdjusted to reflect current fees. AAdjusted to reflect current fees.