Shareholder Report, Line Graph (Details) - USD ($)
|
12 Months Ended |
84 Months Ended |
96 Months Ended |
108 Months Ended |
132 Months Ended |
Aug. 31, 2025 |
Aug. 31, 2025 |
Aug. 31, 2025 |
Aug. 31, 2025 |
Aug. 31, 2025 |
| C000211071_LG_ClassMember_7YRMember |
|
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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;">Fidelity® Series Bond Index Fund</span>
|
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|
|
| C000211071_ClassMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
$ 10,000
|
|
|
|
|
| C000211071_ClassMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,601
|
|
|
|
|
| C000211071_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,282
|
|
|
|
|
| C000211071_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,266
|
|
|
|
|
| C000211071_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,962
|
|
|
|
|
| C000211071_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,850
|
|
|
|
|
| C000211071_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,563
|
|
|
|
|
| C000211071_LG_1_AdditionalIndexMember_7YRMember |
|
|
|
|
|
| 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>
|
|
|
|
| C000211071_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000211071_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,596
|
|
|
|
|
| C000211071_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,282
|
|
|
|
|
| C000211071_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,272
|
|
|
|
|
| C000211071_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,974
|
|
|
|
|
| C000211071_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,855
|
|
|
|
|
| C000211071_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,574
|
|
|
|
|
| C000177581_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 Flex® U.S. Bond Index Fund</span>
|
|
| C000177581_ClassMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000177581_ClassMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,399
|
|
|
|
|
| C000177581_ClassMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,283
|
|
|
|
|
| C000177581_ClassMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,340
|
|
|
|
|
| C000177581_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,077
|
|
|
|
|
| C000177581_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,042
|
|
|
|
|
| C000177581_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,659
|
|
|
|
|
| C000177581_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,528
|
|
|
|
|
| C000177581_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,287
|
|
|
|
|
| C000177581_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;">Bloomberg U.S. Aggregate Bond Index</span>
|
|
| C000177581_1_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000177581_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,410
|
|
|
|
|
| C000177581_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,300
|
|
|
|
|
| C000177581_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,348
|
|
|
|
|
| C000177581_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,083
|
|
|
|
|
| C000177581_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,073
|
|
|
|
|
| C000177581_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,682
|
|
|
|
|
| C000177581_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,555
|
|
|
|
|
| C000177581_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,325
|
|
|
|
|
| C000069436_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® Series Investment Grade Bond Fund</span>
|
| C000069436_ClassMember_AsOf_2015Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000069436_ClassMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,687
|
|
|
|
|
| C000069436_ClassMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,841
|
|
|
|
|
| C000069436_ClassMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,793
|
|
|
|
|
| C000069436_ClassMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,890
|
|
|
|
|
| C000069436_ClassMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,860
|
|
|
|
|
| C000069436_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
13,125
|
|
|
|
|
| C000069436_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,667
|
|
|
|
|
| C000069436_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,665
|
|
|
|
|
| C000069436_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,632
|
|
|
|
|
| C000069436_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
13,104
|
|
|
|
|
| C000069436_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. Aggregate Bond Index</span>
|
| C000069436_1_AdditionalIndexMember_AsOf_2015Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000069436_1_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,597
|
|
|
|
|
| C000069436_1_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,649
|
|
|
|
|
| C000069436_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,537
|
|
|
|
|
| C000069436_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,609
|
|
|
|
|
| C000069436_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,360
|
|
|
|
|
| C000069436_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,350
|
|
|
|
|
| C000069436_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,928
|
|
|
|
|
| C000069436_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,797
|
|
|
|
|
| C000069436_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,585
|
|
|
|
|
| C000069436_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,949
|
|
|
|
|
| C000100043_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® U.S. Bond Index Fund</span>
|
| C000100043_ClassMember_AsOf_2015Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000100043_ClassMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,598
|
|
|
|
|
| C000100043_ClassMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,639
|
|
|
|
|
| C000100043_ClassMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,509
|
|
|
|
|
| C000100043_ClassMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,594
|
|
|
|
|
| C000100043_ClassMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,346
|
|
|
|
|
| C000100043_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,324
|
|
|
|
|
| C000100043_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,904
|
|
|
|
|
| C000100043_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,777
|
|
|
|
|
| C000100043_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,554
|
|
|
|
|
| C000100043_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,913
|
|
|
|
|
| C000100043_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. Aggregate Bond Index</span>
|
| C000100043_1_AdditionalIndexMember_AsOf_2015Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000100043_1_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,597
|
|
|
|
|
| C000100043_1_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,649
|
|
|
|
|
| C000100043_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,537
|
|
|
|
|
| C000100043_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,609
|
|
|
|
|
| C000100043_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,360
|
|
|
|
|
| C000100043_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,350
|
|
|
|
|
| C000100043_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,928
|
|
|
|
|
| C000100043_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,797
|
|
|
|
|
| C000100043_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,585
|
|
|
|
|
| C000100043_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,949
|
|
|
|
|
| C000153158_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® Series Short-Term Credit Fund</span>
|
| C000153158_ClassMember_AsOf_2015Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000153158_ClassMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,198
|
|
|
|
|
| C000153158_ClassMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,319
|
|
|
|
|
| C000153158_ClassMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,404
|
|
|
|
|
| C000153158_ClassMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,926
|
|
|
|
|
| C000153158_ClassMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,401
|
|
|
|
|
| C000153158_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,510
|
|
|
|
|
| C000153158_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,081
|
|
|
|
|
| C000153158_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,417
|
|
|
|
|
| C000153158_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,262
|
|
|
|
|
| C000153158_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,906
|
|
|
|
|
| C000153158_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 1-3 Years Bond Index</span>
|
| C000153158_1_AdditionalIndexMember_AsOf_2015Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000153158_1_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,238
|
|
|
|
|
| C000153158_1_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,401
|
|
|
|
|
| C000153158_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,463
|
|
|
|
|
| C000153158_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,995
|
|
|
|
|
| C000153158_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,436
|
|
|
|
|
| C000153158_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,544
|
|
|
|
|
| C000153158_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,098
|
|
|
|
|
| C000153158_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,344
|
|
|
|
|
| C000153158_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,143
|
|
|
|
|
| C000153158_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,777
|
|
|
|
|
| C000153158_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>
|
| C000153158_2_AdditionalIndexMember_AsOf_2015Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000153158_2_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,597
|
|
|
|
|
| C000153158_2_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,649
|
|
|
|
|
| C000153158_2_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,537
|
|
|
|
|
| C000153158_2_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,609
|
|
|
|
|
| C000153158_2_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,360
|
|
|
|
|
| C000153158_2_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,350
|
|
|
|
|
| C000153158_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,928
|
|
|
|
|
| C000153158_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,797
|
|
|
|
|
| C000153158_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,585
|
|
|
|
|
| C000153158_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,949
|
|
|
|
|
| C000088100_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;">Class M</span>
|
| C000088100_ClassMember_AsOf_2015Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,600
|
|
|
|
|
| C000088100_ClassMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,433
|
|
|
|
|
| C000088100_ClassMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,678
|
|
|
|
|
| C000088100_ClassMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,566
|
|
|
|
|
| C000088100_ClassMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,901
|
|
|
|
|
| C000088100_ClassMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,820
|
|
|
|
|
| C000088100_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
13,104
|
|
|
|
|
| C000088100_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,027
|
|
|
|
|
| C000088100_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,098
|
|
|
|
|
| C000088100_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,151
|
|
|
|
|
| C000088100_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,590
|
|
|
|
|
| C000088100_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>
|
| C000088100_1_AdditionalIndexMember_AsOf_2015Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000088100_1_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,914
|
|
|
|
|
| C000088100_1_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,122
|
|
|
|
|
| C000088100_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,012
|
|
|
|
|
| C000088100_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,443
|
|
|
|
|
| C000088100_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
13,326
|
|
|
|
|
| C000088100_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
13,627
|
|
|
|
|
| C000088100_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,661
|
|
|
|
|
| C000088100_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,759
|
|
|
|
|
| C000088100_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,816
|
|
|
|
|
| C000088100_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
13,318
|
|
|
|
|
| C000088100_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>
|
| C000088100_2_AdditionalIndexMember_AsOf_2015Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000088100_2_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,597
|
|
|
|
|
| C000088100_2_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,649
|
|
|
|
|
| C000088100_2_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,537
|
|
|
|
|
| C000088100_2_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,609
|
|
|
|
|
| C000088100_2_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,360
|
|
|
|
|
| C000088100_2_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,350
|
|
|
|
|
| C000088100_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,928
|
|
|
|
|
| C000088100_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,797
|
|
|
|
|
| C000088100_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,585
|
|
|
|
|
| C000088100_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,949
|
|
|
|
|
| C000088096_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 Fund</span>
|
| C000088096_ClassMember_AsOf_2015Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000088096_ClassMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,914
|
|
|
|
|
| C000088096_ClassMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,216
|
|
|
|
|
| C000088096_ClassMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,145
|
|
|
|
|
| C000088096_ClassMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,606
|
|
|
|
|
| C000088096_ClassMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
13,629
|
|
|
|
|
| C000088096_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
13,978
|
|
|
|
|
| C000088096_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,806
|
|
|
|
|
| C000088096_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,928
|
|
|
|
|
| C000088096_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
13,108
|
|
|
|
|
| C000088096_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
13,629
|
|
|
|
|
| C000088096_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>
|
| C000088096_1_AdditionalIndexMember_AsOf_2015Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000088096_1_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,914
|
|
|
|
|
| C000088096_1_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,122
|
|
|
|
|
| C000088096_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,012
|
|
|
|
|
| C000088096_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,443
|
|
|
|
|
| C000088096_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
13,326
|
|
|
|
|
| C000088096_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
13,627
|
|
|
|
|
| C000088096_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,661
|
|
|
|
|
| C000088096_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,759
|
|
|
|
|
| C000088096_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,816
|
|
|
|
|
| C000088096_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
13,318
|
|
|
|
|
| C000088096_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>
|
| C000088096_2_AdditionalIndexMember_AsOf_2015Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000088096_2_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,597
|
|
|
|
|
| C000088096_2_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,649
|
|
|
|
|
| C000088096_2_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,537
|
|
|
|
|
| C000088096_2_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,609
|
|
|
|
|
| C000088096_2_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,360
|
|
|
|
|
| C000088096_2_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,350
|
|
|
|
|
| C000088096_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,928
|
|
|
|
|
| C000088096_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,797
|
|
|
|
|
| C000088096_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,585
|
|
|
|
|
| C000088096_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,949
|
|
|
|
|
| C000088099_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;">Class C</span>
|
| C000088099_ClassMember_AsOf_2015Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000088099_ClassMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,786
|
|
|
|
|
| C000088099_ClassMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,975
|
|
|
|
|
| C000088099_ClassMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,786
|
|
|
|
|
| C000088099_ClassMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,057
|
|
|
|
|
| C000088099_ClassMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,906
|
|
|
|
|
| C000088099_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
13,094
|
|
|
|
|
| C000088099_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,939
|
|
|
|
|
| C000088099_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,932
|
|
|
|
|
| C000088099_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,974
|
|
|
|
|
| C000088099_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,410
|
|
|
|
|
| C000088099_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>
|
| C000088099_1_AdditionalIndexMember_AsOf_2015Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000088099_1_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,914
|
|
|
|
|
| C000088099_1_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,122
|
|
|
|
|
| C000088099_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,012
|
|
|
|
|
| C000088099_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,443
|
|
|
|
|
| C000088099_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
13,326
|
|
|
|
|
| C000088099_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
13,627
|
|
|
|
|
| C000088099_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,661
|
|
|
|
|
| C000088099_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,759
|
|
|
|
|
| C000088099_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,816
|
|
|
|
|
| C000088099_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
13,318
|
|
|
|
|
| C000088099_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>
|
| C000088099_2_AdditionalIndexMember_AsOf_2015Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000088099_2_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,597
|
|
|
|
|
| C000088099_2_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,649
|
|
|
|
|
| C000088099_2_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,537
|
|
|
|
|
| C000088099_2_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,609
|
|
|
|
|
| C000088099_2_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,360
|
|
|
|
|
| C000088099_2_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,350
|
|
|
|
|
| C000088099_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,928
|
|
|
|
|
| C000088099_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,797
|
|
|
|
|
| C000088099_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,585
|
|
|
|
|
| C000088099_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,949
|
|
|
|
|
| C000205023_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;">Class Z</span>
|
|
|
| C000205023_ClassMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000205023_ClassMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,334
|
|
|
|
|
| C000205023_ClassMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,275
|
|
|
|
|
| C000205023_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,601
|
|
|
|
|
| C000205023_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,652
|
|
|
|
|
| C000205023_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,761
|
|
|
|
|
| C000205023_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,847
|
|
|
|
|
| C000205023_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,329
|
|
|
|
|
| C000205023_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;">Bloomberg U.S. Credit Bond Index</span>
|
|
|
| C000205023_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000205023_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,331
|
|
|
|
|
| C000205023_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,135
|
|
|
|
|
| C000205023_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,409
|
|
|
|
|
| C000205023_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,618
|
|
|
|
|
| C000205023_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,708
|
|
|
|
|
| C000205023_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,670
|
|
|
|
|
| C000205023_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,128
|
|
|
|
|
| C000205023_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 U.S. Aggregate Bond Index</span>
|
|
|
| C000205023_2_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000205023_2_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,086
|
|
|
|
|
| C000205023_2_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,804
|
|
|
|
|
| C000205023_2_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,794
|
|
|
|
|
| C000205023_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,436
|
|
|
|
|
| C000205023_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,311
|
|
|
|
|
| C000205023_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,064
|
|
|
|
|
| C000205023_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,411
|
|
|
|
|
| C000088101_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;">Class I</span>
|
| C000088101_ClassMember_AsOf_2015Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000088101_ClassMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,908
|
|
|
|
|
| C000088101_ClassMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,205
|
|
|
|
|
| C000088101_ClassMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,129
|
|
|
|
|
| C000088101_ClassMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,582
|
|
|
|
|
| C000088101_ClassMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
13,597
|
|
|
|
|
| C000088101_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
13,938
|
|
|
|
|
| C000088101_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,767
|
|
|
|
|
| C000088101_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,882
|
|
|
|
|
| C000088101_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
13,052
|
|
|
|
|
| C000088101_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
13,563
|
|
|
|
|
| C000088101_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>
|
| C000088101_1_AdditionalIndexMember_AsOf_2015Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000088101_1_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,914
|
|
|
|
|
| C000088101_1_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,122
|
|
|
|
|
| C000088101_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,012
|
|
|
|
|
| C000088101_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,443
|
|
|
|
|
| C000088101_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
13,326
|
|
|
|
|
| C000088101_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
13,627
|
|
|
|
|
| C000088101_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,661
|
|
|
|
|
| C000088101_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,759
|
|
|
|
|
| C000088101_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,816
|
|
|
|
|
| C000088101_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
13,318
|
|
|
|
|
| C000088101_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>
|
| C000088101_2_AdditionalIndexMember_AsOf_2015Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000088101_2_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,597
|
|
|
|
|
| C000088101_2_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,649
|
|
|
|
|
| C000088101_2_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,537
|
|
|
|
|
| C000088101_2_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,609
|
|
|
|
|
| C000088101_2_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,360
|
|
|
|
|
| C000088101_2_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,350
|
|
|
|
|
| C000088101_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,928
|
|
|
|
|
| C000088101_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,797
|
|
|
|
|
| C000088101_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,585
|
|
|
|
|
| C000088101_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,949
|
|
|
|
|
| C000088097_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;">Class A</span>
|
| C000088097_ClassMember_AsOf_2015Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,600
|
|
|
|
|
| C000088097_ClassMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,442
|
|
|
|
|
| C000088097_ClassMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,695
|
|
|
|
|
| C000088097_ClassMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,592
|
|
|
|
|
| C000088097_ClassMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,939
|
|
|
|
|
| C000088097_ClassMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,868
|
|
|
|
|
| C000088097_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
13,157
|
|
|
|
|
| C000088097_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,076
|
|
|
|
|
| C000088097_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,154
|
|
|
|
|
| C000088097_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,218
|
|
|
|
|
| C000088097_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,663
|
|
|
|
|
| C000088097_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>
|
| C000088097_1_AdditionalIndexMember_AsOf_2015Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000088097_1_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,914
|
|
|
|
|
| C000088097_1_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,122
|
|
|
|
|
| C000088097_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,012
|
|
|
|
|
| C000088097_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,443
|
|
|
|
|
| C000088097_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
13,326
|
|
|
|
|
| C000088097_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
13,627
|
|
|
|
|
| C000088097_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,661
|
|
|
|
|
| C000088097_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,759
|
|
|
|
|
| C000088097_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,816
|
|
|
|
|
| C000088097_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
13,318
|
|
|
|
|
| C000088097_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>
|
| C000088097_2_AdditionalIndexMember_AsOf_2015Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000088097_2_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,597
|
|
|
|
|
| C000088097_2_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,649
|
|
|
|
|
| C000088097_2_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,537
|
|
|
|
|
| C000088097_2_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,609
|
|
|
|
|
| C000088097_2_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,360
|
|
|
|
|
| C000088097_2_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,350
|
|
|
|
|
| C000088097_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,928
|
|
|
|
|
| C000088097_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,797
|
|
|
|
|
| C000088097_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,585
|
|
|
|
|
| C000088097_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
$ 11,949
|
|
|
|
|