Shareholder Report, Line Graph (Details) - USD ($)
|
12 Months Ended |
60 Months Ended |
72 Months Ended |
108 Months Ended |
Aug. 31, 2026 |
Aug. 31, 2026 |
Aug. 31, 2026 |
Aug. 31, 2026 |
| C000234213_0_LG_BBIndexMember_5YRMember |
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|
| Account Value [Line Items] |
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|
|
| Line Graph and Table Measure Name |
|
<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Bloomberg U.S. Universal Bond Index</span>
|
|
|
| C000234213_0_BBIndexMember_AsOf_2022Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
$ 10,000
|
|
|
|
| C000234213_0_BBIndexMember_AsOf_2023Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
9,276
|
|
|
|
| C000234213_0_BBIndexMember_AsOf_2024Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
9,239
|
|
|
|
| C000234213_0_BBIndexMember_AsOf_2025Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
9,971
|
|
|
|
| C000234213_0_BBIndexMember_AsOf_2026Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
10,343
|
|
|
|
| C000227886_0_LG_BBIndexMember_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;">Bloomberg U.S. Universal Bond Index</span>
|
|
| C000227886_0_BBIndexMember_AsOf_2021Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
| C000227886_0_BBIndexMember_AsOf_2022Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
10,125
|
|
|
|
| C000227886_0_BBIndexMember_AsOf_2023Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
8,925
|
|
|
|
| C000227886_0_BBIndexMember_AsOf_2024Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
8,890
|
|
|
|
| C000227886_0_BBIndexMember_AsOf_2025Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
9,594
|
|
|
|
| C000227886_0_BBIndexMember_AsOf_2026Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
9,951
|
|
|
|
| C000234213_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® Sustainable High Yield ETF</span>
|
|
|
| C000234213_ClassMember_AsOf_2022Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
| C000234213_ClassMember_AsOf_2023Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
9,322
|
|
|
|
| C000234213_ClassMember_AsOf_2024Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
9,959
|
|
|
|
| C000234213_ClassMember_AsOf_2025Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
11,186
|
|
|
|
| C000234213_ClassMember_AsOf_2026Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
12,126
|
|
|
|
| C000234213_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;">ICE® BofA® US High Yield Constrained Index</span>
|
|
|
| C000234213_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
| C000234213_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
9,295
|
|
|
|
| C000234213_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
9,948
|
|
|
|
| C000234213_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
11,189
|
|
|
|
| C000234213_1_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
12,099
|
|
|
|
| C000234213_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;">ICE® US High Yield Best-in-Class ESG Index</span>
|
|
|
| C000234213_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
| C000234213_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
9,248
|
|
|
|
| C000234213_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
9,853
|
|
|
|
| C000234213_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
11,104
|
|
|
|
| C000234213_2_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
12,033
|
|
|
|
| C000227886_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® Preferred Securities & Income ETF</span>
|
|
| C000227886_ClassMember_AsOf_2021Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
| C000227886_ClassMember_AsOf_2022Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
10,144
|
|
|
|
| C000227886_ClassMember_AsOf_2023Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
8,673
|
|
|
|
| C000227886_ClassMember_AsOf_2024Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
8,863
|
|
|
|
| C000227886_ClassMember_AsOf_2025Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
10,131
|
|
|
|
| C000227886_ClassMember_AsOf_2026Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
10,614
|
|
|
|
| C000227886_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;">ICE® BofA® US All Capital Securities Index</span>
|
|
| C000227886_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
| C000227886_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
10,116
|
|
|
|
| C000227886_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
8,958
|
|
|
|
| C000227886_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
8,941
|
|
|
|
| C000227886_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
10,243
|
|
|
|
| C000227886_1_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
10,819
|
|
|
|
| C000227886_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;">ICE U.S. All Capital Securities Constrained Custom Index</span>
|
|
| C000227886_2_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
| C000227886_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
10,118
|
|
|
|
| C000227886_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
8,948
|
|
|
|
| C000227886_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
8,898
|
|
|
|
| C000227886_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
10,196
|
|
|
|
| C000227886_2_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
10,771
|
|
|
|
| C000201027_LG_ClassMember_9YRMember |
|
|
|
|
| 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 High Yield ETF</span>
|
| C000201027_ClassMember_AsOf_2018Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
| C000201027_ClassMember_AsOf_2019Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
10,159
|
|
|
|
| C000201027_ClassMember_AsOf_2020Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
11,122
|
|
|
|
| C000201027_ClassMember_AsOf_2021Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
12,191
|
|
|
|
| C000201027_ClassMember_AsOf_2022Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
13,246
|
|
|
|
| C000201027_ClassMember_AsOf_2023Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
11,677
|
|
|
|
| C000201027_ClassMember_AsOf_2024Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
12,483
|
|
|
|
| C000201027_ClassMember_AsOf_2025Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
14,006
|
|
|
|
| C000201027_ClassMember_AsOf_2026Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
15,030
|
|
|
|
| C000201027_LG_1_AdditionalIndexMember_9YRMember |
|
|
|
|
| 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;">ICE® BofA® BB-B US High Yield Constrained Index</span>
|
| C000201027_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
| C000201027_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
10,149
|
|
|
|
| C000201027_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
10,965
|
|
|
|
| C000201027_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
11,488
|
|
|
|
| C000201027_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
12,461
|
|
|
|
| C000201027_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
11,189
|
|
|
|
| C000201027_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
11,941
|
|
|
|
| C000201027_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
13,368
|
|
|
|
| C000201027_1_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
14,329
|
|
|
|
| C000201027_LG_2_AdditionalIndexMember_9YRMember |
|
|
|
|
| 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;">Bloomberg U.S. Universal Bond Index</span>
|
| C000201027_2_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
| C000201027_2_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
10,113
|
|
|
|
| C000201027_2_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
11,132
|
|
|
|
| C000201027_2_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
11,846
|
|
|
|
| C000201027_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
11,950
|
|
|
|
| C000201027_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
10,534
|
|
|
|
| C000201027_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
10,492
|
|
|
|
| C000201027_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
11,323
|
|
|
|
| C000201027_2_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
$ 11,745
|
|
|
|
| C000269152_LG_ClassMember_1YRMember |
|
|
|
|
| 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® CLO ETF</span>
|
|
|
|
| C000269152_ClassMember_AsOf_2026Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
$ 10,000
|
|
|
|
| C000269152_LG_1_AdditionalIndexMember_1YRMember |
|
|
|
|
| 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;"> J.P. Morgan CLO High Quality Mezzanine Index</span>
|
|
|
|
| C000269152_1_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
$ 10,000
|
|
|
|
| C000269152_LG_2_AdditionalIndexMember_1YRMember |
|
|
|
|
| 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;">Bloomberg U.S. Universal Bond Index</span>
|
|
|
|
| C000269152_2_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
| Accumulated Value |
$ 10,000
|
|
|
|