v3.26.1
Shareholder Report, Line Graph (Details) - USD ($)
12 Months Ended 36 Months Ended 60 Months Ended 72 Months Ended 132 Months Ended
Jun. 30, 2026
Jun. 30, 2026
Jun. 30, 2026
Jun. 30, 2026
Jun. 30, 2026
C000235244_LG_ClassMember_5YRMember          
Account Value [Line Items]          
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Fidelity® Metaverse ETF</span>    
C000235244_ClassMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value $ 10,000        
C000235244_ClassMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 8,433        
C000235244_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 10,209        
C000235244_ClassMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 12,175        
C000235244_ClassMember_AsOf_2026Member          
Account Value [Line Items]          
Accumulated Value 13,652        
C000235244_LG_1_AdditionalIndexMember_5YRMember          
Account Value [Line Items]          
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Fidelity Metaverse Index℠</span>    
C000235244_1_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000235244_1_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 8,444        
C000235244_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 10,274        
C000235244_1_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 12,307        
C000235244_1_AdditionalIndexMember_AsOf_2026Member          
Account Value [Line Items]          
Accumulated Value 13,851        
C000235244_LG_2_AdditionalIndexMember_5YRMember          
Account Value [Line Items]          
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">MSCI ACWI (All Country World Index) Index</span>    
C000235244_2_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000235244_2_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 8,644        
C000235244_2_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 10,111        
C000235244_2_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 12,111        
C000235244_2_AdditionalIndexMember_AsOf_2026Member          
Account Value [Line Items]          
Accumulated Value 14,115        
C000230605_LG_ClassMember_6YRMember          
Account Value [Line Items]          
Line Graph and Table Measure Name       <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Fidelity® Electric Vehicles and Future Transportation ETF</span>  
C000230605_ClassMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000230605_ClassMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 7,085        
C000230605_ClassMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 7,607        
C000230605_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 5,359        
C000230605_ClassMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 5,976        
C000230605_ClassMember_AsOf_2026Member          
Account Value [Line Items]          
Accumulated Value 7,880        
C000230605_LG_1_AdditionalIndexMember_6YRMember          
Account Value [Line Items]          
Line Graph and Table Measure Name       <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Fidelity Electric Vehicles and Future Transportation Index℠</span>  
C000230605_1_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000230605_1_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 7,184        
C000230605_1_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 7,751        
C000230605_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 5,483        
C000230605_1_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 6,115        
C000230605_1_AdditionalIndexMember_AsOf_2026Member          
Account Value [Line Items]          
Accumulated Value 8,020        
C000230605_LG_2_AdditionalIndexMember_6YRMember          
Account Value [Line Items]          
Line Graph and Table Measure Name       <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">MSCI ACWI (All Country World Index) Index</span>  
C000230605_2_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000230605_2_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 8,524        
C000230605_2_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 9,970        
C000230605_2_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 11,943        
C000230605_2_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 13,918        
C000230605_2_AdditionalIndexMember_AsOf_2026Member          
Account Value [Line Items]          
Accumulated Value 17,262        
C000235243_LG_ClassMember_5YRMember          
Account Value [Line Items]          
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Fidelity® Crypto Industry and Digital Payments ETF</span>    
C000235243_ClassMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000235243_ClassMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 4,808        
C000235243_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 7,450        
C000235243_ClassMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 11,374        
C000235243_ClassMember_AsOf_2026Member          
Account Value [Line Items]          
Accumulated Value 13,983        
C000235243_LG_1_AdditionalIndexMember_5YRMember          
Account Value [Line Items]          
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Fidelity Crypto Industry and Digital Payments Index℠</span>    
C000235243_1_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000235243_1_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 4,812        
C000235243_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 7,479        
C000235243_1_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 11,466        
C000235243_1_AdditionalIndexMember_AsOf_2026Member          
Account Value [Line Items]          
Accumulated Value 14,118        
C000235243_LG_2_AdditionalIndexMember_5YRMember          
Account Value [Line Items]          
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">MSCI ACWI (All Country World Index) Index</span>    
C000235243_2_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000235243_2_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 8,644        
C000235243_2_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 10,111        
C000235243_2_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 12,111        
C000235243_2_AdditionalIndexMember_AsOf_2026Member          
Account Value [Line Items]          
Accumulated Value 14,115        
C000230603_LG_ClassMember_6YRMember          
Account Value [Line Items]          
Line Graph and Table Measure Name       <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Fidelity® Cloud Computing ETF</span>  
C000230603_ClassMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000230603_ClassMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 6,331        
C000230603_ClassMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 7,755        
C000230603_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 9,629        
C000230603_ClassMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 11,358        
C000230603_ClassMember_AsOf_2026Member          
Account Value [Line Items]          
Accumulated Value 15,488        
C000230603_LG_1_AdditionalIndexMember_6YRMember          
Account Value [Line Items]          
Line Graph and Table Measure Name       <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Fidelity Cloud Computing Index℠</span>  
C000230603_1_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000230603_1_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 6,385        
C000230603_1_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 7,854        
C000230603_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 9,710        
C000230603_1_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 11,499        
C000230603_1_AdditionalIndexMember_AsOf_2026Member          
Account Value [Line Items]          
Accumulated Value 15,761        
C000230603_LG_2_AdditionalIndexMember_6YRMember          
Account Value [Line Items]          
Line Graph and Table Measure Name       <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">MSCI ACWI (All Country World Index) Index</span>  
C000230603_2_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000230603_2_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 8,524        
C000230603_2_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 9,970        
C000230603_2_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 11,943        
C000230603_2_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 13,918        
C000230603_2_AdditionalIndexMember_AsOf_2026Member          
Account Value [Line Items]          
Accumulated Value 17,262        
C000230602_LG_ClassMember_6YRMember          
Account Value [Line Items]          
Line Graph and Table Measure Name       <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Fidelity® Clean Energy ETF</span>  
C000230602_ClassMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000230602_ClassMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 8,388        
C000230602_ClassMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 8,397        
C000230602_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 5,931        
C000230602_ClassMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 6,455        
C000230602_ClassMember_AsOf_2026Member          
Account Value [Line Items]          
Accumulated Value 10,251        
C000230602_LG_1_AdditionalIndexMember_6YRMember          
Account Value [Line Items]          
Line Graph and Table Measure Name       <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Fidelity Clean Energy Index℠</span>  
C000230602_1_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000230602_1_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 8,508        
C000230602_1_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 8,539        
C000230602_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 6,049        
C000230602_1_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 6,602        
C000230602_1_AdditionalIndexMember_AsOf_2026Member          
Account Value [Line Items]          
Accumulated Value 10,497        
C000230602_LG_2_AdditionalIndexMember_6YRMember          
Account Value [Line Items]          
Line Graph and Table Measure Name       <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">MSCI ACWI (All Country World Index) Index</span>  
C000230602_2_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000230602_2_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 8,524        
C000230602_2_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 9,970        
C000230602_2_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 11,943        
C000230602_2_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 13,918        
C000230602_2_AdditionalIndexMember_AsOf_2026Member          
Account Value [Line Items]          
Accumulated Value 17,262        
C000244837_LG_ClassMember_11YRMember          
Account Value [Line Items]          
Line Graph and Table Measure Name         <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Fidelity® Enhanced Large Cap Value ETF</span>
C000244837_ClassMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000244837_ClassMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 11,629        
C000244837_ClassMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 12,813        
C000244837_ClassMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 13,622        
C000244837_ClassMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 12,545        
C000244837_ClassMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 18,538        
C000244837_ClassMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 17,620        
C000244837_ClassMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 19,424        
C000244837_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 22,220        
C000244837_ClassMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 25,219        
C000244837_ClassMember_AsOf_2026Member          
Account Value [Line Items]          
Accumulated Value 32,320        
C000244837_LG_1_AdditionalIndexMember_11YRMember          
Account Value [Line Items]          
Line Graph and Table Measure Name         <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Russell 1000® Value Index</span>
C000244837_1_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000244837_1_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 11,553        
C000244837_1_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 12,335        
C000244837_1_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 13,379        
C000244837_1_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 12,197        
C000244837_1_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 17,525        
C000244837_1_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 16,330        
C000244837_1_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 18,214        
C000244837_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 20,592        
C000244837_1_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 23,414        
C000244837_1_AdditionalIndexMember_AsOf_2026Member          
Account Value [Line Items]          
Accumulated Value 29,757        
C000244837_LG_2_AdditionalIndexMember_11YRMember          
Account Value [Line Items]          
Line Graph and Table Measure Name         <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Russell 1000® Index</span>
C000244837_2_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000244837_2_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 11,803        
C000244837_2_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 13,519        
C000244837_2_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 14,873        
C000244837_2_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 15,986        
C000244837_2_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 22,871        
C000244837_2_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 19,890        
C000244837_2_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 23,742        
C000244837_2_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 29,410        
C000244837_2_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 34,017        
C000244837_2_AdditionalIndexMember_AsOf_2026Member          
Account Value [Line Items]          
Accumulated Value 41,504        
C000244833_LG_ClassMember_11YRMember          
Account Value [Line Items]          
Line Graph and Table Measure Name         <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Fidelity® Enhanced International ETF</span>
C000244833_ClassMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000244833_ClassMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 12,210        
C000244833_ClassMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 13,120        
C000244833_ClassMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 12,950        
C000244833_ClassMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 12,134        
C000244833_ClassMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 16,237        
C000244833_ClassMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 13,325        
C000244833_ClassMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 15,821        
C000244833_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 18,122        
C000244833_ClassMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 21,898        
C000244833_ClassMember_AsOf_2026Member          
Account Value [Line Items]          
Accumulated Value 27,215        
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C000253741_1_AdditionalIndexMember_AsOf_2026Member          
Account Value [Line Items]          
Accumulated Value 12,886        
C000253742_LG_ClassMember_3YRMember          
Account Value [Line Items]          
Line Graph and Table Measure Name   <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Fidelity® Enhanced Emerging Markets ETF</span>      
C000253742_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000253742_ClassMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 11,400        
C000253742_ClassMember_AsOf_2026Member          
Account Value [Line Items]          
Accumulated Value 17,240        
C000253742_LG_1_AdditionalIndexMember_3YRMember          
Account Value [Line Items]          
Line Graph and Table Measure Name   <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">MSCI Emerging Markets Index</span>      
C000253742_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000253742_1_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 11,338        
C000253742_1_AdditionalIndexMember_AsOf_2026Member          
Account Value [Line Items]          
Accumulated Value $ 16,269