Shareholder Report, Line Graph (Details) - USD ($)
|
12 Months Ended |
72 Months Ended |
108 Months Ended |
120 Months Ended |
132 Months Ended |
Aug. 31, 2026 |
Aug. 31, 2026 |
Aug. 31, 2026 |
Aug. 31, 2026 |
Aug. 31, 2026 |
| C000019283_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>
|
| C000019283_0_BBIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
$ 10,000
|
|
|
|
|
| C000019283_0_BBIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,049
|
|
|
|
|
| C000019283_0_BBIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,944
|
|
|
|
|
| C000019283_0_BBIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,955
|
|
|
|
|
| C000019283_0_BBIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,665
|
|
|
|
|
| C000019283_0_BBIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,655
|
|
|
|
|
| C000019283_0_BBIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,313
|
|
|
|
|
| C000019283_0_BBIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,189
|
|
|
|
|
| C000019283_0_BBIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,933
|
|
|
|
|
| C000019283_0_BBIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,276
|
|
|
|
|
| C000019283_0_BBIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,489
|
|
|
|
|
| C000205069_0_LG_BBIndexMember_9YRMember |
|
|
|
|
|
| Account Value [Line Items] |
|
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|
|
| Line Graph and Table Measure Name |
|
|
<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Bloomberg U.S. Aggregate Bond Index</span>
|
|
|
| C000205069_0_BBIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000205069_0_BBIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,086
|
|
|
|
|
| C000205069_0_BBIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,804
|
|
|
|
|
| C000205069_0_BBIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,794
|
|
|
|
|
| C000205069_0_BBIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,436
|
|
|
|
|
| C000205069_0_BBIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,311
|
|
|
|
|
| C000205069_0_BBIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,064
|
|
|
|
|
| C000205069_0_BBIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,411
|
|
|
|
|
| C000205069_0_BBIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,626
|
|
|
|
|
| C000038101_0_LG_BBIndexMember_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>
|
| C000038101_0_BBIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000038101_0_BBIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,049
|
|
|
|
|
| C000038101_0_BBIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,944
|
|
|
|
|
| C000038101_0_BBIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,955
|
|
|
|
|
| C000038101_0_BBIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,665
|
|
|
|
|
| C000038101_0_BBIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,655
|
|
|
|
|
| C000038101_0_BBIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,313
|
|
|
|
|
| C000038101_0_BBIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,189
|
|
|
|
|
| C000038101_0_BBIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,933
|
|
|
|
|
| C000038101_0_BBIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,276
|
|
|
|
|
| C000038101_0_BBIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,489
|
|
|
|
|
| C000038102_0_LG_BBIndexMember_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>
|
| C000038102_0_BBIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000038102_0_BBIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,049
|
|
|
|
|
| C000038102_0_BBIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,944
|
|
|
|
|
| C000038102_0_BBIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,955
|
|
|
|
|
| C000038102_0_BBIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,665
|
|
|
|
|
| C000038102_0_BBIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,655
|
|
|
|
|
| C000038102_0_BBIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,313
|
|
|
|
|
| C000038102_0_BBIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,189
|
|
|
|
|
| C000038102_0_BBIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,933
|
|
|
|
|
| C000038102_0_BBIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,276
|
|
|
|
|
| C000038102_0_BBIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,489
|
|
|
|
|
| C000038100_0_LG_BBIndexMember_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>
|
| C000038100_0_BBIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000038100_0_BBIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,049
|
|
|
|
|
| C000038100_0_BBIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,944
|
|
|
|
|
| C000038100_0_BBIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,955
|
|
|
|
|
| C000038100_0_BBIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,665
|
|
|
|
|
| C000038100_0_BBIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,655
|
|
|
|
|
| C000038100_0_BBIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,313
|
|
|
|
|
| C000038100_0_BBIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,189
|
|
|
|
|
| C000038100_0_BBIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,933
|
|
|
|
|
| C000038100_0_BBIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,276
|
|
|
|
|
| C000038100_0_BBIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,489
|
|
|
|
|
| C000038098_0_LG_BBIndexMember_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>
|
| C000038098_0_BBIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000038098_0_BBIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,049
|
|
|
|
|
| C000038098_0_BBIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,944
|
|
|
|
|
| C000038098_0_BBIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,955
|
|
|
|
|
| C000038098_0_BBIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,665
|
|
|
|
|
| C000038098_0_BBIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,655
|
|
|
|
|
| C000038098_0_BBIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,313
|
|
|
|
|
| C000038098_0_BBIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,189
|
|
|
|
|
| C000038098_0_BBIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,933
|
|
|
|
|
| C000038098_0_BBIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,276
|
|
|
|
|
| C000038098_0_BBIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,489
|
|
|
|
|
| C000182864_LG_ClassMember_10YRMember |
|
|
|
|
|
| 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® Total Bond K6 Fund</span>
|
|
| C000182864_ClassMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000182864_ClassMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,135
|
|
|
|
|
| C000182864_ClassMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,068
|
|
|
|
|
| C000182864_ClassMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,046
|
|
|
|
|
| C000182864_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,905
|
|
|
|
|
| C000182864_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,206
|
|
|
|
|
| C000182864_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,854
|
|
|
|
|
| C000182864_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,882
|
|
|
|
|
| C000182864_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,779
|
|
|
|
|
| C000182864_ClassMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,235
|
|
|
|
|
| C000182864_LG_1_AdditionalIndexMember_10YRMember |
|
|
|
|
|
| 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>
|
|
| C000182864_1_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000182864_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,154
|
|
|
|
|
| C000182864_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,047
|
|
|
|
|
| C000182864_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,070
|
|
|
|
|
| C000182864_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,786
|
|
|
|
|
| C000182864_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,776
|
|
|
|
|
| C000182864_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,420
|
|
|
|
|
| C000182864_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,296
|
|
|
|
|
| C000182864_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,047
|
|
|
|
|
| C000182864_1_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,393
|
|
|
|
|
| C000019272_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® Total Bond Fund</span>
|
| C000019272_ClassMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000019272_ClassMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,207
|
|
|
|
|
| C000019272_ClassMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,151
|
|
|
|
|
| C000019272_ClassMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,131
|
|
|
|
|
| C000019272_ClassMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,979
|
|
|
|
|
| C000019272_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,265
|
|
|
|
|
| C000019272_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,865
|
|
|
|
|
| C000019272_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,904
|
|
|
|
|
| C000019272_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,834
|
|
|
|
|
| C000019272_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,283
|
|
|
|
|
| C000019272_ClassMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,530
|
|
|
|
|
| C000019272_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>
|
| C000019272_1_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000019272_1_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,049
|
|
|
|
|
| C000019272_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,944
|
|
|
|
|
| C000019272_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,955
|
|
|
|
|
| C000019272_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,665
|
|
|
|
|
| C000019272_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,655
|
|
|
|
|
| C000019272_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,313
|
|
|
|
|
| C000019272_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,189
|
|
|
|
|
| C000019272_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,933
|
|
|
|
|
| C000019272_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,276
|
|
|
|
|
| C000019272_1_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,489
|
|
|
|
|
| C000150510_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 Z</span>
|
| C000150510_ClassMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000150510_ClassMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,216
|
|
|
|
|
| C000150510_ClassMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,159
|
|
|
|
|
| C000150510_ClassMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,150
|
|
|
|
|
| C000150510_ClassMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,012
|
|
|
|
|
| C000150510_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,310
|
|
|
|
|
| C000150510_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,922
|
|
|
|
|
| C000150510_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,971
|
|
|
|
|
| C000150510_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,905
|
|
|
|
|
| C000150510_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,381
|
|
|
|
|
| C000150510_ClassMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,641
|
|
|
|
|
| C000150510_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>
|
| C000150510_1_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000150510_1_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,049
|
|
|
|
|
| C000150510_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,944
|
|
|
|
|
| C000150510_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,955
|
|
|
|
|
| C000150510_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,665
|
|
|
|
|
| C000150510_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,655
|
|
|
|
|
| C000150510_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,313
|
|
|
|
|
| C000150510_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,189
|
|
|
|
|
| C000150510_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,933
|
|
|
|
|
| C000150510_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,276
|
|
|
|
|
| C000150510_1_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,489
|
|
|
|
|
| C000019276_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>
|
| C000019276_ClassMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,600
|
|
|
|
|
| C000019276_ClassMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,769
|
|
|
|
|
| C000019276_ClassMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,675
|
|
|
|
|
| C000019276_ClassMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,578
|
|
|
|
|
| C000019276_ClassMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,352
|
|
|
|
|
| C000019276_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,588
|
|
|
|
|
| C000019276_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,242
|
|
|
|
|
| C000019276_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,248
|
|
|
|
|
| C000019276_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,078
|
|
|
|
|
| C000019276_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,477
|
|
|
|
|
| C000019276_ClassMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,673
|
|
|
|
|
| C000019276_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>
|
| C000019276_1_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000019276_1_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,049
|
|
|
|
|
| C000019276_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,944
|
|
|
|
|
| C000019276_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,955
|
|
|
|
|
| C000019276_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,665
|
|
|
|
|
| C000019276_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,655
|
|
|
|
|
| C000019276_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,313
|
|
|
|
|
| C000019276_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,189
|
|
|
|
|
| C000019276_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,933
|
|
|
|
|
| C000019276_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,276
|
|
|
|
|
| C000019276_1_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,489
|
|
|
|
|
| C000019277_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>
|
| C000019277_ClassMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000019277_ClassMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,202
|
|
|
|
|
| C000019277_ClassMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,131
|
|
|
|
|
| C000019277_ClassMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,105
|
|
|
|
|
| C000019277_ClassMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,946
|
|
|
|
|
| C000019277_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,226
|
|
|
|
|
| C000019277_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,832
|
|
|
|
|
| C000019277_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,866
|
|
|
|
|
| C000019277_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,775
|
|
|
|
|
| C000019277_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,228
|
|
|
|
|
| C000019277_ClassMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
12,468
|
|
|
|
|
| C000019277_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>
|
| C000019277_1_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000019277_1_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,049
|
|
|
|
|
| C000019277_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,944
|
|
|
|
|
| C000019277_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,955
|
|
|
|
|
| C000019277_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,665
|
|
|
|
|
| C000019277_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,655
|
|
|
|
|
| C000019277_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,313
|
|
|
|
|
| C000019277_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,189
|
|
|
|
|
| C000019277_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,933
|
|
|
|
|
| C000019277_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,276
|
|
|
|
|
| C000019277_1_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,489
|
|
|
|
|
| C000019275_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>
|
| C000019275_ClassMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000019275_ClassMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,099
|
|
|
|
|
| C000019275_ClassMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,937
|
|
|
|
|
| C000019275_ClassMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,780
|
|
|
|
|
| C000019275_ClassMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,480
|
|
|
|
|
| C000019275_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,630
|
|
|
|
|
| C000019275_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,194
|
|
|
|
|
| C000019275_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,123
|
|
|
|
|
| C000019275_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,858
|
|
|
|
|
| C000019275_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,249
|
|
|
|
|
| C000019275_ClassMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,442
|
|
|
|
|
| C000019275_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>
|
| C000019275_1_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000019275_1_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,049
|
|
|
|
|
| C000019275_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,944
|
|
|
|
|
| C000019275_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,955
|
|
|
|
|
| C000019275_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,665
|
|
|
|
|
| C000019275_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,655
|
|
|
|
|
| C000019275_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,313
|
|
|
|
|
| C000019275_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,189
|
|
|
|
|
| C000019275_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,933
|
|
|
|
|
| C000019275_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,276
|
|
|
|
|
| C000019275_1_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,489
|
|
|
|
|
| C000019273_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>
|
| C000019273_ClassMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,600
|
|
|
|
|
| C000019273_ClassMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,770
|
|
|
|
|
| C000019273_ClassMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,677
|
|
|
|
|
| C000019273_ClassMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,580
|
|
|
|
|
| C000019273_ClassMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,352
|
|
|
|
|
| C000019273_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,589
|
|
|
|
|
| C000019273_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,246
|
|
|
|
|
| C000019273_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,252
|
|
|
|
|
| C000019273_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,082
|
|
|
|
|
| C000019273_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,480
|
|
|
|
|
| C000019273_ClassMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,677
|
|
|
|
|
| C000019273_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>
|
| C000019273_1_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000019273_1_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,049
|
|
|
|
|
| C000019273_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,944
|
|
|
|
|
| C000019273_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,955
|
|
|
|
|
| C000019273_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,665
|
|
|
|
|
| C000019273_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,655
|
|
|
|
|
| C000019273_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,313
|
|
|
|
|
| C000019273_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,189
|
|
|
|
|
| C000019273_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,933
|
|
|
|
|
| C000019273_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,276
|
|
|
|
|
| C000019273_1_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,489
|
|
|
|
|
| C000203458_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® Series Government Bond Index Fund</span>
|
|
|
| C000203458_ClassMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000203458_ClassMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,010
|
|
|
|
|
| C000203458_ClassMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,052
|
|
|
|
|
| C000203458_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,781
|
|
|
|
|
| C000203458_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,563
|
|
|
|
|
| C000203458_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,330
|
|
|
|
|
| C000203458_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,128
|
|
|
|
|
| C000203458_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,747
|
|
|
|
|
| C000203458_ClassMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,012
|
|
|
|
|
| C000203458_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. Government Bond Index</span>
|
|
|
| C000203458_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000203458_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,019
|
|
|
|
|
| C000203458_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,052
|
|
|
|
|
| C000203458_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,816
|
|
|
|
|
| C000203458_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,578
|
|
|
|
|
| C000203458_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,340
|
|
|
|
|
| C000203458_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,133
|
|
|
|
|
| C000203458_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,744
|
|
|
|
|
| C000203458_1_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,007
|
|
|
|
|
| C000203458_LG_2_AdditionalIndexMember_9YRMember |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
|
<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Bloomberg U.S. Aggregate Bond Index</span>
|
|
|
| C000203458_2_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000203458_2_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,014
|
|
|
|
|
| C000203458_2_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,033
|
|
|
|
|
| C000203458_2_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,747
|
|
|
|
|
| C000203458_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,737
|
|
|
|
|
| C000203458_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,386
|
|
|
|
|
| C000203458_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,262
|
|
|
|
|
| C000203458_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,010
|
|
|
|
|
| C000203458_2_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,356
|
|
|
|
|
| C000019284_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® Intermediate Government Income Fund</span>
|
| C000019284_ClassMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000019284_ClassMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,008
|
|
|
|
|
| C000019284_ClassMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,855
|
|
|
|
|
| C000019284_ClassMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,575
|
|
|
|
|
| C000019284_ClassMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,112
|
|
|
|
|
| C000019284_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,992
|
|
|
|
|
| C000019284_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,096
|
|
|
|
|
| C000019284_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,024
|
|
|
|
|
| C000019284_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,619
|
|
|
|
|
| C000019284_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,020
|
|
|
|
|
| C000019284_ClassMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,179
|
|
|
|
|
| C000019284_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. Intermediate Government Bond Index</span>
|
| C000019284_1_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000019284_1_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,009
|
|
|
|
|
| C000019284_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,883
|
|
|
|
|
| C000019284_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,619
|
|
|
|
|
| C000019284_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,196
|
|
|
|
|
| C000019284_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,122
|
|
|
|
|
| C000019284_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,285
|
|
|
|
|
| C000019284_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,271
|
|
|
|
|
| C000019284_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,914
|
|
|
|
|
| C000019284_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,376
|
|
|
|
|
| C000019284_1_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,549
|
|
|
|
|
| C000019284_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>
|
| C000019284_2_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000019284_2_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,049
|
|
|
|
|
| C000019284_2_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,944
|
|
|
|
|
| C000019284_2_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,955
|
|
|
|
|
| C000019284_2_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,665
|
|
|
|
|
| C000019284_2_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,655
|
|
|
|
|
| C000019284_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,313
|
|
|
|
|
| C000019284_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,189
|
|
|
|
|
| C000019284_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,933
|
|
|
|
|
| C000019284_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,276
|
|
|
|
|
| C000019284_2_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,489
|
|
|
|
|
| C000019283_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® Government Income Fund</span>
|
| C000019283_ClassMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000019283_ClassMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,958
|
|
|
|
|
| C000019283_ClassMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,801
|
|
|
|
|
| C000019283_ClassMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,715
|
|
|
|
|
| C000019283_ClassMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,351
|
|
|
|
|
| C000019283_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,174
|
|
|
|
|
| C000019283_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,963
|
|
|
|
|
| C000019283_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,719
|
|
|
|
|
| C000019283_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,338
|
|
|
|
|
| C000019283_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,577
|
|
|
|
|
| C000019283_ClassMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,753
|
|
|
|
|
| C000019283_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 75% U.S. Government/25% U.S. Mortgage-Backed Securities Blended Index</span>
|
| C000019283_1_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000019283_1_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,957
|
|
|
|
|
| C000019283_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,832
|
|
|
|
|
| C000019283_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,765
|
|
|
|
|
| C000019283_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,447
|
|
|
|
|
| C000019283_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,269
|
|
|
|
|
| C000019283_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,091
|
|
|
|
|
| C000019283_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,888
|
|
|
|
|
| C000019283_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,520
|
|
|
|
|
| C000019283_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,801
|
|
|
|
|
| C000019283_1_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,982
|
|
|
|
|
| C000019283_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. Government Bond Index</span>
|
| C000019283_2_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000019283_2_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,916
|
|
|
|
|
| C000019283_2_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,767
|
|
|
|
|
| C000019283_2_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,774
|
|
|
|
|
| C000019283_2_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,519
|
|
|
|
|
| C000019283_2_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,287
|
|
|
|
|
| C000019283_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,080
|
|
|
|
|
| C000019283_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,878
|
|
|
|
|
| C000019283_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,474
|
|
|
|
|
| C000019283_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,730
|
|
|
|
|
| C000019283_2_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,862
|
|
|
|
|
| C000205069_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;">Class Z</span>
|
|
|
| C000205069_ClassMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000205069_ClassMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,027
|
|
|
|
|
| C000205069_ClassMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,702
|
|
|
|
|
| C000205069_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,520
|
|
|
|
|
| C000205069_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,283
|
|
|
|
|
| C000205069_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,041
|
|
|
|
|
| C000205069_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,689
|
|
|
|
|
| C000205069_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,947
|
|
|
|
|
| C000205069_ClassMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,139
|
|
|
|
|
| C000205069_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 75% U.S. Government/25% U.S. Mortgage-Backed Securities Blended Index</span>
|
|
|
| C000205069_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000205069_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,042
|
|
|
|
|
| C000205069_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,740
|
|
|
|
|
| C000205069_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,558
|
|
|
|
|
| C000205069_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,350
|
|
|
|
|
| C000205069_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,141
|
|
|
|
|
| C000205069_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,790
|
|
|
|
|
| C000205069_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,078
|
|
|
|
|
| C000205069_1_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,264
|
|
|
|
|
| C000205069_LG_2_AdditionalIndexMember_9YRMember |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
|
<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Bloomberg U.S. Government Bond Index</span>
|
|
|
| C000205069_2_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000205069_2_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,132
|
|
|
|
|
| C000205069_2_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,902
|
|
|
|
|
| C000205069_2_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,662
|
|
|
|
|
| C000205069_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,415
|
|
|
|
|
| C000205069_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,206
|
|
|
|
|
| C000205069_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,822
|
|
|
|
|
| C000205069_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,087
|
|
|
|
|
| C000205069_2_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,223
|
|
|
|
|
| C000038101_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>
|
| C000038101_ClassMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,600
|
|
|
|
|
| C000038101_ClassMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,530
|
|
|
|
|
| C000038101_ClassMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,351
|
|
|
|
|
| C000038101_ClassMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,201
|
|
|
|
|
| C000038101_ClassMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,772
|
|
|
|
|
| C000038101_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,565
|
|
|
|
|
| C000038101_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,402
|
|
|
|
|
| C000038101_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,134
|
|
|
|
|
| C000038101_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,696
|
|
|
|
|
| C000038101_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,889
|
|
|
|
|
| C000038101_ClassMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,023
|
|
|
|
|
| C000038101_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 75% U.S. Government/25% U.S. Mortgage-Backed Securities Blended Index</span>
|
| C000038101_1_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000038101_1_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,957
|
|
|
|
|
| C000038101_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,832
|
|
|
|
|
| C000038101_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,765
|
|
|
|
|
| C000038101_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,447
|
|
|
|
|
| C000038101_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,269
|
|
|
|
|
| C000038101_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,091
|
|
|
|
|
| C000038101_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,888
|
|
|
|
|
| C000038101_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,520
|
|
|
|
|
| C000038101_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,801
|
|
|
|
|
| C000038101_1_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,982
|
|
|
|
|
| C000038101_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. Government Bond Index</span>
|
| C000038101_2_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000038101_2_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,916
|
|
|
|
|
| C000038101_2_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,767
|
|
|
|
|
| C000038101_2_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,774
|
|
|
|
|
| C000038101_2_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,519
|
|
|
|
|
| C000038101_2_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,287
|
|
|
|
|
| C000038101_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,080
|
|
|
|
|
| C000038101_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,878
|
|
|
|
|
| C000038101_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,474
|
|
|
|
|
| C000038101_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,730
|
|
|
|
|
| C000038101_2_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,862
|
|
|
|
|
| C000038102_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>
|
| C000038102_ClassMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000038102_ClassMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,954
|
|
|
|
|
| C000038102_ClassMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,793
|
|
|
|
|
| C000038102_ClassMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,712
|
|
|
|
|
| C000038102_ClassMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,343
|
|
|
|
|
| C000038102_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,162
|
|
|
|
|
| C000038102_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,951
|
|
|
|
|
| C000038102_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,693
|
|
|
|
|
| C000038102_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,316
|
|
|
|
|
| C000038102_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,550
|
|
|
|
|
| C000038102_ClassMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,721
|
|
|
|
|
| C000038102_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 75% U.S. Government/25% U.S. Mortgage-Backed Securities Blended Index</span>
|
| C000038102_1_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000038102_1_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,957
|
|
|
|
|
| C000038102_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,832
|
|
|
|
|
| C000038102_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,765
|
|
|
|
|
| C000038102_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,447
|
|
|
|
|
| C000038102_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,269
|
|
|
|
|
| C000038102_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,091
|
|
|
|
|
| C000038102_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,888
|
|
|
|
|
| C000038102_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,520
|
|
|
|
|
| C000038102_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,801
|
|
|
|
|
| C000038102_1_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,982
|
|
|
|
|
| C000038102_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. Government Bond Index</span>
|
| C000038102_2_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000038102_2_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,916
|
|
|
|
|
| C000038102_2_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,767
|
|
|
|
|
| C000038102_2_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,774
|
|
|
|
|
| C000038102_2_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,519
|
|
|
|
|
| C000038102_2_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,287
|
|
|
|
|
| C000038102_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,080
|
|
|
|
|
| C000038102_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,878
|
|
|
|
|
| C000038102_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,474
|
|
|
|
|
| C000038102_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,730
|
|
|
|
|
| C000038102_2_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,862
|
|
|
|
|
| C000038100_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>
|
| C000038100_ClassMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000038100_ClassMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,851
|
|
|
|
|
| C000038100_ClassMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,590
|
|
|
|
|
| C000038100_ClassMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,380
|
|
|
|
|
| C000038100_ClassMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,874
|
|
|
|
|
| C000038100_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,590
|
|
|
|
|
| C000038100_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,343
|
|
|
|
|
| C000038100_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,014
|
|
|
|
|
| C000038100_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,485
|
|
|
|
|
| C000038100_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,672
|
|
|
|
|
| C000038100_ClassMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,799
|
|
|
|
|
| C000038100_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 75% U.S. Government/25% U.S. Mortgage-Backed Securities Blended Index</span>
|
| C000038100_1_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000038100_1_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,957
|
|
|
|
|
| C000038100_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,832
|
|
|
|
|
| C000038100_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,765
|
|
|
|
|
| C000038100_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,447
|
|
|
|
|
| C000038100_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,269
|
|
|
|
|
| C000038100_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,091
|
|
|
|
|
| C000038100_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,888
|
|
|
|
|
| C000038100_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,520
|
|
|
|
|
| C000038100_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,801
|
|
|
|
|
| C000038100_1_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,982
|
|
|
|
|
| C000038100_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. Government Bond Index</span>
|
| C000038100_2_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000038100_2_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,916
|
|
|
|
|
| C000038100_2_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,767
|
|
|
|
|
| C000038100_2_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,774
|
|
|
|
|
| C000038100_2_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,519
|
|
|
|
|
| C000038100_2_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,287
|
|
|
|
|
| C000038100_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,080
|
|
|
|
|
| C000038100_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,878
|
|
|
|
|
| C000038100_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,474
|
|
|
|
|
| C000038100_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,730
|
|
|
|
|
| C000038100_2_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,862
|
|
|
|
|
| C000038098_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>
|
| C000038098_ClassMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,600
|
|
|
|
|
| C000038098_ClassMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,530
|
|
|
|
|
| C000038098_ClassMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,350
|
|
|
|
|
| C000038098_ClassMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,197
|
|
|
|
|
| C000038098_ClassMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,768
|
|
|
|
|
| C000038098_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,570
|
|
|
|
|
| C000038098_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,396
|
|
|
|
|
| C000038098_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,126
|
|
|
|
|
| C000038098_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,684
|
|
|
|
|
| C000038098_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,874
|
|
|
|
|
| C000038098_ClassMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,005
|
|
|
|
|
| C000038098_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 75% U.S. Government/25% U.S. Mortgage-Backed Securities Blended Index</span>
|
| C000038098_1_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000038098_1_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,957
|
|
|
|
|
| C000038098_1_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,832
|
|
|
|
|
| C000038098_1_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,765
|
|
|
|
|
| C000038098_1_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,447
|
|
|
|
|
| C000038098_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,269
|
|
|
|
|
| C000038098_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,091
|
|
|
|
|
| C000038098_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,888
|
|
|
|
|
| C000038098_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,520
|
|
|
|
|
| C000038098_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,801
|
|
|
|
|
| C000038098_1_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,982
|
|
|
|
|
| C000038098_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. Government Bond Index</span>
|
| C000038098_2_AdditionalIndexMember_AsOf_2016Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000038098_2_AdditionalIndexMember_AsOf_2017Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,916
|
|
|
|
|
| C000038098_2_AdditionalIndexMember_AsOf_2018Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,767
|
|
|
|
|
| C000038098_2_AdditionalIndexMember_AsOf_2019Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,774
|
|
|
|
|
| C000038098_2_AdditionalIndexMember_AsOf_2020Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,519
|
|
|
|
|
| C000038098_2_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
11,287
|
|
|
|
|
| C000038098_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,080
|
|
|
|
|
| C000038098_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,878
|
|
|
|
|
| C000038098_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,474
|
|
|
|
|
| C000038098_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,730
|
|
|
|
|
| C000038098_2_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,862
|
|
|
|
|
| C000227903_LG_ClassMember_6YRMember |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Fidelity® Environmental Bond Fund</span>
|
|
|
|
| C000227903_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000227903_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,116
|
|
|
|
|
| C000227903_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,841
|
|
|
|
|
| C000227903_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,748
|
|
|
|
|
| C000227903_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,411
|
|
|
|
|
| C000227903_ClassMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,699
|
|
|
|
|
| C000227903_LG_1_AdditionalIndexMember_6YRMember |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Bloomberg MSCI Global Green USD Bond Index (Hedged USD)</span>
|
|
|
|
| C000227903_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000227903_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,120
|
|
|
|
|
| C000227903_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,921
|
|
|
|
|
| C000227903_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,966
|
|
|
|
|
| C000227903_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,691
|
|
|
|
|
| C000227903_1_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,139
|
|
|
|
|
| C000227903_LG_2_AdditionalIndexMember_6YRMember |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Bloomberg U.S. Aggregate Bond Index</span>
|
|
|
|
| C000227903_2_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000227903_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,126
|
|
|
|
|
| C000227903_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,960
|
|
|
|
|
| C000227903_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,853
|
|
|
|
|
| C000227903_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,499
|
|
|
|
|
| C000227903_2_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,796
|
|
|
|
|
| C000227906_LG_ClassMember_6YRMember |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Class Z</span>
|
|
|
|
| C000227906_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000227906_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,118
|
|
|
|
|
| C000227906_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,851
|
|
|
|
|
| C000227906_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,766
|
|
|
|
|
| C000227906_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,438
|
|
|
|
|
| C000227906_ClassMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,736
|
|
|
|
|
| C000227906_LG_1_AdditionalIndexMember_6YRMember |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Bloomberg MSCI Global Green USD Bond Index (Hedged USD)</span>
|
|
|
|
| C000227906_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000227906_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,120
|
|
|
|
|
| C000227906_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,921
|
|
|
|
|
| C000227906_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,966
|
|
|
|
|
| C000227906_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,691
|
|
|
|
|
| C000227906_1_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,139
|
|
|
|
|
| C000227906_LG_2_AdditionalIndexMember_6YRMember |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Bloomberg U.S. Aggregate Bond Index</span>
|
|
|
|
| C000227906_2_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000227906_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,126
|
|
|
|
|
| C000227906_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,960
|
|
|
|
|
| C000227906_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,853
|
|
|
|
|
| C000227906_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,499
|
|
|
|
|
| C000227906_2_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,796
|
|
|
|
|
| C000227901_LG_ClassMember_6YRMember |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Class M</span>
|
|
|
|
| C000227901_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,600
|
|
|
|
|
| C000227901_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,706
|
|
|
|
|
| C000227901_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,466
|
|
|
|
|
| C000227901_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,357
|
|
|
|
|
| C000227901_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,970
|
|
|
|
|
| C000227901_ClassMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,224
|
|
|
|
|
| C000227901_LG_1_AdditionalIndexMember_6YRMember |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Bloomberg MSCI Global Green USD Bond Index (Hedged USD)</span>
|
|
|
|
| C000227901_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000227901_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,120
|
|
|
|
|
| C000227901_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,921
|
|
|
|
|
| C000227901_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,966
|
|
|
|
|
| C000227901_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,691
|
|
|
|
|
| C000227901_1_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,139
|
|
|
|
|
| C000227901_LG_2_AdditionalIndexMember_6YRMember |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Bloomberg U.S. Aggregate Bond Index</span>
|
|
|
|
| C000227901_2_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000227901_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,126
|
|
|
|
|
| C000227901_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,960
|
|
|
|
|
| C000227901_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,853
|
|
|
|
|
| C000227901_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,499
|
|
|
|
|
| C000227901_2_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,796
|
|
|
|
|
| C000227904_LG_ClassMember_6YRMember |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Class I</span>
|
|
|
|
| C000227904_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000227904_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,116
|
|
|
|
|
| C000227904_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,844
|
|
|
|
|
| C000227904_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,740
|
|
|
|
|
| C000227904_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,407
|
|
|
|
|
| C000227904_ClassMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,695
|
|
|
|
|
| C000227904_LG_1_AdditionalIndexMember_6YRMember |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Bloomberg MSCI Global Green USD Bond Index (Hedged USD)</span>
|
|
|
|
| C000227904_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000227904_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,120
|
|
|
|
|
| C000227904_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,921
|
|
|
|
|
| C000227904_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,966
|
|
|
|
|
| C000227904_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,691
|
|
|
|
|
| C000227904_1_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,139
|
|
|
|
|
| C000227904_LG_2_AdditionalIndexMember_6YRMember |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Bloomberg U.S. Aggregate Bond Index</span>
|
|
|
|
| C000227904_2_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000227904_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,126
|
|
|
|
|
| C000227904_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,960
|
|
|
|
|
| C000227904_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,853
|
|
|
|
|
| C000227904_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,499
|
|
|
|
|
| C000227904_2_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,796
|
|
|
|
|
| C000227905_LG_ClassMember_6YRMember |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Class C</span>
|
|
|
|
| C000227905_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000227905_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,090
|
|
|
|
|
| C000227905_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,736
|
|
|
|
|
| C000227905_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,560
|
|
|
|
|
| C000227905_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,129
|
|
|
|
|
| C000227905_ClassMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,305
|
|
|
|
|
| C000227905_LG_1_AdditionalIndexMember_6YRMember |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Bloomberg MSCI Global Green USD Bond Index (Hedged USD)</span>
|
|
|
|
| C000227905_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000227905_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,120
|
|
|
|
|
| C000227905_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,921
|
|
|
|
|
| C000227905_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,966
|
|
|
|
|
| C000227905_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,691
|
|
|
|
|
| C000227905_1_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,139
|
|
|
|
|
| C000227905_LG_2_AdditionalIndexMember_6YRMember |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Bloomberg U.S. Aggregate Bond Index</span>
|
|
|
|
| C000227905_2_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000227905_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,126
|
|
|
|
|
| C000227905_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,960
|
|
|
|
|
| C000227905_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,853
|
|
|
|
|
| C000227905_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,499
|
|
|
|
|
| C000227905_2_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,796
|
|
|
|
|
| C000227902_LG_ClassMember_6YRMember |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Class A</span>
|
|
|
|
| C000227902_ClassMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,600
|
|
|
|
|
| C000227902_ClassMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,706
|
|
|
|
|
| C000227902_ClassMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,465
|
|
|
|
|
| C000227902_ClassMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,355
|
|
|
|
|
| C000227902_ClassMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,966
|
|
|
|
|
| C000227902_ClassMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,219
|
|
|
|
|
| C000227902_LG_1_AdditionalIndexMember_6YRMember |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Bloomberg MSCI Global Green USD Bond Index (Hedged USD)</span>
|
|
|
|
| C000227902_1_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000227902_1_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,120
|
|
|
|
|
| C000227902_1_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,921
|
|
|
|
|
| C000227902_1_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,966
|
|
|
|
|
| C000227902_1_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,691
|
|
|
|
|
| C000227902_1_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,139
|
|
|
|
|
| C000227902_LG_2_AdditionalIndexMember_6YRMember |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Bloomberg U.S. Aggregate Bond Index</span>
|
|
|
|
| C000227902_2_AdditionalIndexMember_AsOf_2021Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,000
|
|
|
|
|
| C000227902_2_AdditionalIndexMember_AsOf_2022Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
10,126
|
|
|
|
|
| C000227902_2_AdditionalIndexMember_AsOf_2023Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,960
|
|
|
|
|
| C000227902_2_AdditionalIndexMember_AsOf_2024Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
8,853
|
|
|
|
|
| C000227902_2_AdditionalIndexMember_AsOf_2025Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
9,499
|
|
|
|
|
| C000227902_2_AdditionalIndexMember_AsOf_2026Member |
|
|
|
|
|
| Account Value [Line Items] |
|
|
|
|
|
| Accumulated Value |
$ 9,796
|
|
|
|
|