Shareholder Report, Line Graph (Details) - USD ($)
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12 Months Ended |
24 Months Ended |
36 Months Ended |
48 Months Ended |
60 Months Ended |
96 Months Ended |
132 Months Ended |
Aug. 31, 2025 |
Aug. 31, 2025 |
Aug. 31, 2025 |
Aug. 31, 2025 |
Aug. 31, 2025 |
Aug. 31, 2025 |
Aug. 31, 2025 |
| C000201028_0_LG_BBIndexMember_8YRMember |
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| Account Value [Line Items] |
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| Line Graph and Table Measure Name |
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<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Bloomberg U.S. Aggregate Bond Index</span>
|
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| C000201028_0_BBIndexMember_AsOf_2018Member |
|
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|
| Account Value [Line Items] |
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|
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|
| Accumulated Value |
$ 10,000
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| C000201028_0_BBIndexMember_AsOf_2019Member |
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| Account Value [Line Items] |
|
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| Accumulated Value |
10,120
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| C000201028_0_BBIndexMember_AsOf_2020Member |
|
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|
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|
| Account Value [Line Items] |
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|
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|
| Accumulated Value |
11,150
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| C000201028_0_BBIndexMember_AsOf_2021Member |
|
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|
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| Account Value [Line Items] |
|
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|
|
|
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|
| Accumulated Value |
11,871
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|
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|
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| C000201028_0_BBIndexMember_AsOf_2022Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
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|
|
|
|
|
| Accumulated Value |
11,861
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| C000201028_0_BBIndexMember_AsOf_2023Member |
|
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|
|
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|
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| Account Value [Line Items] |
|
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|
|
|
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|
| Accumulated Value |
10,496
|
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|
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|
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| C000201028_0_BBIndexMember_AsOf_2024Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
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|
|
|
|
|
| Accumulated Value |
10,370
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| C000201028_0_BBIndexMember_AsOf_2025Member |
|
|
|
|
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|
|
| Account Value [Line Items] |
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|
|
|
|
| Accumulated Value |
11,127
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| C000131661_0_LG_BBIndexMember_11YRMember |
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| Account Value [Line Items] |
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| Line Graph and Table Measure Name |
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<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Bloomberg U.S. Aggregate Bond Index</span>
|
| C000131661_0_BBIndexMember_AsOf_2015Member |
|
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|
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| Account Value [Line Items] |
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| Accumulated Value |
10,000
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| C000131661_0_BBIndexMember_AsOf_2016Member |
|
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|
|
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|
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| Account Value [Line Items] |
|
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|
|
|
|
|
| Accumulated Value |
10,597
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| C000131661_0_BBIndexMember_AsOf_2017Member |
|
|
|
|
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|
|
| Account Value [Line Items] |
|
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|
|
|
|
| Accumulated Value |
10,649
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| C000131661_0_BBIndexMember_AsOf_2018Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,537
|
|
|
|
|
|
|
| C000131661_0_BBIndexMember_AsOf_2019Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,609
|
|
|
|
|
|
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| C000131661_0_BBIndexMember_AsOf_2020Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
12,360
|
|
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|
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|
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| C000131661_0_BBIndexMember_AsOf_2021Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
12,350
|
|
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|
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|
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| C000131661_0_BBIndexMember_AsOf_2022Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
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|
|
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|
| Accumulated Value |
10,928
|
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| C000131661_0_BBIndexMember_AsOf_2023Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,797
|
|
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|
|
|
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| C000131661_0_BBIndexMember_AsOf_2024Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,585
|
|
|
|
|
|
|
| C000131661_0_BBIndexMember_AsOf_2025Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,949
|
|
|
|
|
|
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| C000131659_LG_ClassMember_11YRMember |
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| Account Value [Line Items] |
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| Line Graph and Table Measure Name |
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|
<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Fidelity® Total Bond ETF</span>
|
| C000131659_ClassMember_AsOf_2015Member |
|
|
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|
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| Account Value [Line Items] |
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|
| Accumulated Value |
10,000
|
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|
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|
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| C000131659_ClassMember_AsOf_2016Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
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|
|
|
|
|
| Accumulated Value |
10,685
|
|
|
|
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|
|
| C000131659_ClassMember_AsOf_2017Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,897
|
|
|
|
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|
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| C000131659_ClassMember_AsOf_2018Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
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|
|
|
|
|
| Accumulated Value |
10,821
|
|
|
|
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|
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| C000131659_ClassMember_AsOf_2019Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
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|
|
|
|
|
| Accumulated Value |
11,874
|
|
|
|
|
|
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| C000131659_ClassMember_AsOf_2020Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
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|
|
|
|
| Accumulated Value |
12,836
|
|
|
|
|
|
|
| C000131659_ClassMember_AsOf_2021Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
13,079
|
|
|
|
|
|
|
| C000131659_ClassMember_AsOf_2022Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,599
|
|
|
|
|
|
|
| C000131659_ClassMember_AsOf_2023Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,622
|
|
|
|
|
|
|
| C000131659_ClassMember_AsOf_2024Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
12,580
|
|
|
|
|
|
|
| C000131659_ClassMember_AsOf_2025Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
13,068
|
|
|
|
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|
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| C000131659_LG_1_AdditionalIndexMember_11YRMember |
|
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| Account Value [Line Items] |
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| Line Graph and Table Measure Name |
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|
<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Bloomberg U.S. Aggregate Bond Index</span>
|
| C000131659_1_AdditionalIndexMember_AsOf_2015Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
|
|
| C000131659_1_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,597
|
|
|
|
|
|
|
| C000131659_1_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,649
|
|
|
|
|
|
|
| C000131659_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,537
|
|
|
|
|
|
|
| C000131659_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,609
|
|
|
|
|
|
|
| C000131659_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
12,360
|
|
|
|
|
|
|
| C000131659_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
12,350
|
|
|
|
|
|
|
| C000131659_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,928
|
|
|
|
|
|
|
| C000131659_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,797
|
|
|
|
|
|
|
| C000131659_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,585
|
|
|
|
|
|
|
| C000131659_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,949
|
|
|
|
|
|
|
| C000239880_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® Tactical Bond ETF</span>
|
|
|
|
|
| C000239880_ClassMember_AsOf_2023Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
|
|
| C000239880_ClassMember_AsOf_2024Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
9,918
|
|
|
|
|
|
|
| C000239880_ClassMember_AsOf_2025Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,757
|
|
|
|
|
|
|
| C000239880_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;">Bloomberg U.S. Aggregate Bond Index</span>
|
|
|
|
|
| C000239880_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
|
|
| C000239880_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
9,831
|
|
|
|
|
|
|
| C000239880_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,548
|
|
|
|
|
|
|
| C000235242_LG_ClassMember_4YRMember |
|
|
|
|
|
|
|
| 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 Low Duration Bond ETF</span>
|
|
|
|
| C000235242_ClassMember_AsOf_2022Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
|
|
| C000235242_ClassMember_AsOf_2023Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,016
|
|
|
|
|
|
|
| C000235242_ClassMember_AsOf_2024Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,444
|
|
|
|
|
|
|
| C000235242_ClassMember_AsOf_2025Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,053
|
|
|
|
|
|
|
| C000235242_LG_1_AdditionalIndexMember_4YRMember |
|
|
|
|
|
|
|
| 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 US Treasury Bill: 6-9 Months Index</span>
|
|
|
|
| C000235242_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
|
|
| C000235242_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
9,991
|
|
|
|
|
|
|
| C000235242_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,302
|
|
|
|
|
|
|
| C000235242_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,856
|
|
|
|
|
|
|
| C000235242_LG_2_AdditionalIndexMember_4YRMember |
|
|
|
|
|
|
|
| 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. Aggregate Bond Index</span>
|
|
|
|
| C000235242_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
|
|
| C000235242_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
9,847
|
|
|
|
|
|
|
| C000235242_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
9,730
|
|
|
|
|
|
|
| C000235242_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,440
|
|
|
|
|
|
|
| C000235241_LG_ClassMember_4YRMember |
|
|
|
|
|
|
|
| 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 Core Plus Bond ETF</span>
|
|
|
|
| C000235241_ClassMember_AsOf_2022Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
|
|
| C000235241_ClassMember_AsOf_2023Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
9,728
|
|
|
|
|
|
|
| C000235241_ClassMember_AsOf_2024Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
9,719
|
|
|
|
|
|
|
| C000235241_ClassMember_AsOf_2025Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,527
|
|
|
|
|
|
|
| C000235241_LG_1_AdditionalIndexMember_4YRMember |
|
|
|
|
|
|
|
| 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 MSCI U.S. Aggregate ESG Choice Bond Index</span>
|
|
|
|
| C000235241_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
|
|
| C000235241_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
9,851
|
|
|
|
|
|
|
| C000235241_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
9,737
|
|
|
|
|
|
|
| C000235241_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,444
|
|
|
|
|
|
|
| C000235241_LG_2_AdditionalIndexMember_4YRMember |
|
|
|
|
|
|
|
| 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. Aggregate Bond Index</span>
|
|
|
|
| C000235241_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
|
|
| C000235241_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
9,847
|
|
|
|
|
|
|
| C000235241_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
9,730
|
|
|
|
|
|
|
| C000235241_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,440
|
|
|
|
|
|
|
| C000201028_LG_ClassMember_8YRMember |
|
|
|
|
|
|
|
| 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® Low Duration Bond Factor ETF</span>
|
|
| C000201028_ClassMember_AsOf_2018Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
|
|
| C000201028_ClassMember_AsOf_2019Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,075
|
|
|
|
|
|
|
| C000201028_ClassMember_AsOf_2020Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,473
|
|
|
|
|
|
|
| C000201028_ClassMember_AsOf_2021Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,733
|
|
|
|
|
|
|
| C000201028_ClassMember_AsOf_2022Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,772
|
|
|
|
|
|
|
| C000201028_ClassMember_AsOf_2023Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,607
|
|
|
|
|
|
|
| C000201028_ClassMember_AsOf_2024Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,123
|
|
|
|
|
|
|
| C000201028_ClassMember_AsOf_2025Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,861
|
|
|
|
|
|
|
| C000201028_LG_1_AdditionalIndexMember_8YRMember |
|
|
|
|
|
|
|
| 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 Low Duration Investment Grade Factor Index℠</span>
|
|
| C000201028_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
|
|
| C000201028_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,076
|
|
|
|
|
|
|
| C000201028_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,497
|
|
|
|
|
|
|
| C000201028_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,795
|
|
|
|
|
|
|
| C000201028_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,854
|
|
|
|
|
|
|
| C000201028_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,713
|
|
|
|
|
|
|
| C000201028_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,252
|
|
|
|
|
|
|
| C000201028_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
12,018
|
|
|
|
|
|
|
| C000201028_LG_2_AdditionalIndexMember_8YRMember |
|
|
|
|
|
|
|
| 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 US Treasury Bill: 6-9 Months Index</span>
|
|
| C000201028_2_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
|
|
| C000201028_2_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,045
|
|
|
|
|
|
|
| C000201028_2_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,314
|
|
|
|
|
|
|
| C000201028_2_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,503
|
|
|
|
|
|
|
| C000201028_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,514
|
|
|
|
|
|
|
| C000201028_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,474
|
|
|
|
|
|
|
| C000201028_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,800
|
|
|
|
|
|
|
| C000201028_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,380
|
|
|
|
|
|
|
| C000131661_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® Limited Term Bond ETF</span>
|
| C000131661_ClassMember_AsOf_2015Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
|
|
| C000131661_ClassMember_AsOf_2016Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,337
|
|
|
|
|
|
|
| C000131661_ClassMember_AsOf_2017Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,468
|
|
|
|
|
|
|
| C000131661_ClassMember_AsOf_2018Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,443
|
|
|
|
|
|
|
| C000131661_ClassMember_AsOf_2019Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,093
|
|
|
|
|
|
|
| C000131661_ClassMember_AsOf_2020Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,652
|
|
|
|
|
|
|
| C000131661_ClassMember_AsOf_2021Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,749
|
|
|
|
|
|
|
| C000131661_ClassMember_AsOf_2022Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,999
|
|
|
|
|
|
|
| C000131661_ClassMember_AsOf_2023Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,221
|
|
|
|
|
|
|
| C000131661_ClassMember_AsOf_2024Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
12,105
|
|
|
|
|
|
|
| C000131661_ClassMember_AsOf_2025Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
12,790
|
|
|
|
|
|
|
| C000131661_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;">Bloomberg U.S. 1-5 Year Government/Credit Bond Index</span>
|
| C000131661_1_AdditionalIndexMember_AsOf_2015Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
|
|
| C000131661_1_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,238
|
|
|
|
|
|
|
| C000131661_1_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,334
|
|
|
|
|
|
|
| C000131661_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,289
|
|
|
|
|
|
|
| C000131661_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,902
|
|
|
|
|
|
|
| C000131661_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,417
|
|
|
|
|
|
|
| C000131661_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,454
|
|
|
|
|
|
|
| C000131661_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,785
|
|
|
|
|
|
|
| C000131661_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,913
|
|
|
|
|
|
|
| C000131661_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,641
|
|
|
|
|
|
|
| C000131661_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
12,198
|
|
|
|
|
|
|
| C000131661_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;">Fidelity Limited Term Composite Index℠</span>
|
| C000131661_2_AdditionalIndexMember_AsOf_2015Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
|
|
| C000131661_2_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,307
|
|
|
|
|
|
|
| C000131661_2_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,465
|
|
|
|
|
|
|
| C000131661_2_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,451
|
|
|
|
|
|
|
| C000131661_2_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,120
|
|
|
|
|
|
|
| C000131661_2_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,679
|
|
|
|
|
|
|
| C000131661_2_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,788
|
|
|
|
|
|
|
| C000131661_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,078
|
|
|
|
|
|
|
| C000131661_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,279
|
|
|
|
|
|
|
| C000131661_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
12,127
|
|
|
|
|
|
|
| C000131661_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
12,792
|
|
|
|
|
|
|
| C000225827_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® Investment Grade Securitized ETF</span>
|
|
|
| C000225827_ClassMember_AsOf_2021Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
|
|
| C000225827_ClassMember_AsOf_2022Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,036
|
|
|
|
|
|
|
| C000225827_ClassMember_AsOf_2023Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
8,983
|
|
|
|
|
|
|
| C000225827_ClassMember_AsOf_2024Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
8,795
|
|
|
|
|
|
|
| C000225827_ClassMember_AsOf_2025Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
9,525
|
|
|
|
|
|
|
| C000225827_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;">Bloomberg U.S. Securitized Index</span>
|
|
|
| C000225827_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
|
|
| C000225827_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,018
|
|
|
|
|
|
|
| C000225827_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
9,044
|
|
|
|
|
|
|
| C000225827_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
8,867
|
|
|
|
|
|
|
| C000225827_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
9,537
|
|
|
|
|
|
|
| C000225827_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;">Bloomberg U.S. Aggregate Bond Index</span>
|
|
|
| C000225827_2_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
|
|
| C000225827_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,156
|
|
|
|
|
|
|
| C000225827_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
8,986
|
|
|
|
|
|
|
| C000225827_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
8,879
|
|
|
|
|
|
|
| C000225827_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
9,527
|
|
|
|
|
|
|
| C000225826_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® Investment Grade Bond ETF</span>
|
|
|
| C000225826_ClassMember_AsOf_2021Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
|
|
| C000225826_ClassMember_AsOf_2022Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,216
|
|
|
|
|
|
|
| C000225826_ClassMember_AsOf_2023Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
9,026
|
|
|
|
|
|
|
| C000225826_ClassMember_AsOf_2024Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
8,951
|
|
|
|
|
|
|
| C000225826_ClassMember_AsOf_2025Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
9,646
|
|
|
|
|
|
|
| C000225826_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;">Bloomberg U.S. Aggregate Bond Index</span>
|
|
|
| C000225826_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
|
|
| C000225826_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,156
|
|
|
|
|
|
|
| C000225826_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
8,986
|
|
|
|
|
|
|
| C000225826_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
8,879
|
|
|
|
|
|
|
| C000225826_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
9,527
|
|
|
|
|
|
|
| C000125598_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® Corporate Bond ETF</span>
|
| C000125598_ClassMember_AsOf_2015Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
|
|
| C000125598_ClassMember_AsOf_2016Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,930
|
|
|
|
|
|
|
| C000125598_ClassMember_AsOf_2017Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,196
|
|
|
|
|
|
|
| C000125598_ClassMember_AsOf_2018Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,038
|
|
|
|
|
|
|
| C000125598_ClassMember_AsOf_2019Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
12,516
|
|
|
|
|
|
|
| C000125598_ClassMember_AsOf_2020Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
13,524
|
|
|
|
|
|
|
| C000125598_ClassMember_AsOf_2021Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
13,945
|
|
|
|
|
|
|
| C000125598_ClassMember_AsOf_2022Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,811
|
|
|
|
|
|
|
| C000125598_ClassMember_AsOf_2023Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,952
|
|
|
|
|
|
|
| C000125598_ClassMember_AsOf_2024Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
13,148
|
|
|
|
|
|
|
| C000125598_ClassMember_AsOf_2025Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
13,713
|
|
|
|
|
|
|
| C000125598_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;">Bloomberg U.S. Credit Bond Index</span>
|
| C000125598_1_AdditionalIndexMember_AsOf_2015Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
|
|
| C000125598_1_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,914
|
|
|
|
|
|
|
| C000125598_1_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,122
|
|
|
|
|
|
|
| C000125598_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,012
|
|
|
|
|
|
|
| C000125598_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
12,443
|
|
|
|
|
|
|
| C000125598_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
13,326
|
|
|
|
|
|
|
| C000125598_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
13,627
|
|
|
|
|
|
|
| C000125598_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,661
|
|
|
|
|
|
|
| C000125598_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,759
|
|
|
|
|
|
|
| C000125598_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
12,816
|
|
|
|
|
|
|
| C000125598_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
13,318
|
|
|
|
|
|
|
| C000125598_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;">Bloomberg U.S. Aggregate Bond Index</span>
|
| C000125598_2_AdditionalIndexMember_AsOf_2015Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
|
|
| C000125598_2_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,597
|
|
|
|
|
|
|
| C000125598_2_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,649
|
|
|
|
|
|
|
| C000125598_2_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,537
|
|
|
|
|
|
|
| C000125598_2_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,609
|
|
|
|
|
|
|
| C000125598_2_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
12,360
|
|
|
|
|
|
|
| C000125598_2_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
12,350
|
|
|
|
|
|
|
| C000125598_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,928
|
|
|
|
|
|
|
| C000125598_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,797
|
|
|
|
|
|
|
| C000125598_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,585
|
|
|
|
|
|
|
| C000125598_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
11,949
|
|
|
|
|
|
|
| C000248144_LG_ClassMember_2YRMember |
|
|
|
|
|
|
|
| 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® Low Duration Bond ETF</span>
|
|
|
|
|
|
| C000248144_ClassMember_AsOf_2024Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,006
|
|
|
|
|
|
|
| C000248144_ClassMember_AsOf_2025Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,301
|
|
|
|
|
|
|
| C000248144_LG_1_AdditionalIndexMember_2YRMember |
|
|
|
|
|
|
|
| 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 US Treasury Bill: 6-9 Months Index</span>
|
|
|
|
|
|
| C000248144_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,008
|
|
|
|
|
|
|
| C000248144_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
|
|
| Accumulated Value |
10,283
|
|
|
|
|
|
|
| C000248144_LG_2_AdditionalIndexMember_2YRMember |
|
|
|
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| Account Value [Line Items] |
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| Line Graph and Table Measure Name |
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<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Bloomberg U.S. Aggregate Bond Index</span>
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| C000248144_2_AdditionalIndexMember_AsOf_2024Member |
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| Account Value [Line Items] |
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| Accumulated Value |
10,047
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| C000248144_2_AdditionalIndexMember_AsOf_2025Member |
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| Account Value [Line Items] |
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| Accumulated Value |
$ 10,533
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