Shareholder Report, Average Annual Return (Details)
|
12 Months Ended |
60 Months Ended |
120 Months Ended |
Jul. 31, 2025 |
Jul. 31, 2025 |
Jul. 31, 2025 |
| C000051090_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000051090_1_BBIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000051090_1_BBIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
1.66%
|
| C000212302_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000212302_1_BBIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000212302_1_BBIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
0.60%
|
|
|
| C000212301_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000212301_1_BBIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000212301_1_BBIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
0.60%
|
|
|
| C000051094_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000051094_1_BBIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000051094_1_BBIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
1.66%
|
| C000051091_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000051091_1_BBIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000051091_1_BBIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
1.66%
|
| C000240063_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000240063_1_BBIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
3.06%
|
|
| C000240060_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000240060_1_BBIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
3.06%
|
|
| C000240062_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000240062_1_BBIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
3.06%
|
|
| C000240064_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000240064_1_BBIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
3.06%
|
|
| C000240065_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000240065_1_BBIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
3.06%
|
|
| C000213722_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000213722_1_BBIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000213722_1_BBIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
0.33%
|
|
|
| C000213720_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000213720_1_BBIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000213720_1_BBIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
0.33%
|
|
|
| C000213718_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000213718_1_BBIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000213718_1_BBIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
0.33%
|
|
|
| C000213723_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000213723_1_BBIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000213723_1_BBIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
0.33%
|
|
|
| C000213721_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000213721_1_BBIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000213721_1_BBIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
0.33%
|
|
|
| C000055922_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000055922_1_BBIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000055922_1_BBIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
1.66%
|
| C000212309_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000212309_1_BBIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000212309_1_BBIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
0.60%
|
|
|
| C000212310_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000212310_1_BBIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000212310_1_BBIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
0.60%
|
|
|
| C000055926_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000055926_1_BBIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000055926_1_BBIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
1.66%
|
| C000055923_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000055923_1_BBIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000055923_1_BBIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
1.66%
|
| C000055912_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000055912_1_BBIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000055912_1_BBIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
1.66%
|
| C000212307_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000212307_1_BBIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000212307_1_BBIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
0.60%
|
|
|
| C000212308_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000212308_1_BBIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000212308_1_BBIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
0.60%
|
|
|
| C000055916_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000055916_1_BBIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000055916_1_BBIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
1.66%
|
| C000055913_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000055913_1_BBIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000055913_1_BBIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
1.66%
|
| C000051070_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000051070_1_BBIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000051070_1_BBIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
1.66%
|
| C000212299_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000212299_1_BBIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000212299_1_BBIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
0.60%
|
|
|
| C000212300_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000212300_1_BBIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000212300_1_BBIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
0.60%
|
|
|
| C000051074_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000051074_1_BBIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000051074_1_BBIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
1.66%
|
| C000051071_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000051071_1_BBIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000051071_1_BBIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
1.66%
|
| C000051110_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000051110_1_BBIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000051110_1_BBIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
1.66%
|
| C000212305_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000212305_1_BBIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000212305_1_BBIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
0.60%
|
|
|
| C000212306_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000212306_1_BBIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000212306_1_BBIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
0.60%
|
|
|
| C000051114_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000051114_1_BBIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000051114_1_BBIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
1.66%
|
| C000051111_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000051111_1_BBIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000051111_1_BBIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
1.66%
|
| C000019282_1_BBIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.38%
|
|
|
| C000019282_1_BBIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(1.07%)
|
|
| C000019282_1_BBIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
1.66%
|
| C000051090_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
5.97%
|
|
|
| C000051090_NoLoadClassMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
2.48%
|
|
| C000051090_NoLoadClassMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
3.44%
|
| C000051090_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.12%
|
|
|
| C000051090_0_AdditionalIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
2.58%
|
|
| C000051090_0_AdditionalIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
3.77%
|
| C000212302_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.20%
|
|
|
| C000212302_NoLoadClassMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
2.69%
|
|
| C000212302_NoLoadClassMember_2024-08-01_2025-07-31Member |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.43%
|
|
|
| C000212302_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.12%
|
|
|
| C000212302_0_AdditionalIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
2.58%
|
|
| C000212302_0_AdditionalIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.46%
|
|
|
| C000212301_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.09%
|
|
|
| C000212301_NoLoadClassMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
2.59%
|
|
| C000212301_NoLoadClassMember_2024-08-01_2025-07-31Member |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.32%
|
|
|
| C000212301_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.12%
|
|
|
| C000212301_0_AdditionalIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
2.58%
|
|
| C000212301_0_AdditionalIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.46%
|
|
|
| C000051094_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
5.99%
|
|
|
| C000051094_NoLoadClassMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
2.48%
|
|
| C000051094_NoLoadClassMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
3.45%
|
| C000051094_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.12%
|
|
|
| C000051094_0_AdditionalIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
2.58%
|
|
| C000051094_0_AdditionalIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
3.77%
|
| C000051091_ClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
(0.37%)
|
|
|
| C000051091_ClassMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
1.02%
|
|
| C000051091_ClassMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
2.58%
|
| C000051091_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
5.71%
|
|
|
| C000051091_NoLoadClassMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
2.23%
|
|
| C000051091_NoLoadClassMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
3.19%
|
| C000051091_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.12%
|
|
|
| C000051091_0_AdditionalIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
2.58%
|
|
| C000051091_0_AdditionalIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
3.77%
|
| C000240063_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
8.71%
|
|
|
| C000240063_NoLoadClassMember_2024-08-01_2025-07-31Member |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
10.42%
|
|
|
| C000240063_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
8.97%
|
|
|
| C000240063_0_AdditionalIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
10.43%
|
|
| C000240060_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
8.89%
|
|
|
| C000240060_NoLoadClassMember_2024-08-01_2025-07-31Member |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
10.65%
|
|
|
| C000240060_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
8.97%
|
|
|
| C000240060_0_AdditionalIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
10.43%
|
|
| C000240062_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
8.77%
|
|
|
| C000240062_NoLoadClassMember_2024-08-01_2025-07-31Member |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
10.52%
|
|
|
| C000240062_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
8.97%
|
|
|
| C000240062_0_AdditionalIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
10.43%
|
|
| C000240064_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
8.57%
|
|
|
| C000240064_NoLoadClassMember_2024-08-01_2025-07-31Member |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
10.40%
|
|
|
| C000240064_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
8.97%
|
|
|
| C000240064_0_AdditionalIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
10.43%
|
|
| C000240065_ClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
2.09%
|
|
|
| C000240065_ClassMember_2024-08-01_2025-07-31Member |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
7.68%
|
|
|
| C000240065_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
8.32%
|
|
|
| C000240065_NoLoadClassMember_2024-08-01_2025-07-31Member |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
10.14%
|
|
|
| C000240065_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
8.97%
|
|
|
| C000240065_0_AdditionalIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
10.43%
|
|
| C000213722_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
8.27%
|
|
|
| C000213722_NoLoadClassMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
5.75%
|
|
| C000213722_NoLoadClassMember_2024-08-01_2025-07-31Member |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.43%
|
|
|
| C000213722_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
8.54%
|
|
|
| C000213722_0_AdditionalIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
5.64%
|
|
| C000213722_0_AdditionalIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.41%
|
|
|
| C000213720_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
8.48%
|
|
|
| C000213720_NoLoadClassMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
5.93%
|
|
| C000213720_NoLoadClassMember_2024-08-01_2025-07-31Member |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.63%
|
|
|
| C000213720_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
8.54%
|
|
|
| C000213720_0_AdditionalIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
5.64%
|
|
| C000213720_0_AdditionalIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.41%
|
|
|
| C000213718_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
8.34%
|
|
|
| C000213718_NoLoadClassMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
5.84%
|
|
| C000213718_NoLoadClassMember_2024-08-01_2025-07-31Member |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.53%
|
|
|
| C000213718_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
8.54%
|
|
|
| C000213718_0_AdditionalIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
5.64%
|
|
| C000213718_0_AdditionalIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.41%
|
|
|
| C000213723_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
8.27%
|
|
|
| C000213723_NoLoadClassMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
5.73%
|
|
| C000213723_NoLoadClassMember_2024-08-01_2025-07-31Member |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.42%
|
|
|
| C000213723_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
8.54%
|
|
|
| C000213723_0_AdditionalIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
5.64%
|
|
| C000213723_0_AdditionalIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.41%
|
|
|
| C000213721_ClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
1.73%
|
|
|
| C000213721_ClassMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
4.21%
|
|
| C000213721_ClassMember_2024-08-01_2025-07-31Member |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
5.10%
|
|
|
| C000213721_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
7.94%
|
|
|
| C000213721_NoLoadClassMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
5.45%
|
|
| C000213721_NoLoadClassMember_2024-08-01_2025-07-31Member |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.15%
|
|
|
| C000213721_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
8.54%
|
|
|
| C000213721_0_AdditionalIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
5.64%
|
|
| C000213721_0_AdditionalIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.41%
|
|
|
| C000055922_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
7.77%
|
|
|
| C000055922_NoLoadClassMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
5.19%
|
|
| C000055922_NoLoadClassMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
5.65%
|
| C000055922_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
8.02%
|
|
|
| C000055922_0_AdditionalIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
5.12%
|
|
| C000055922_0_AdditionalIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
6.03%
|
| C000212309_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
7.97%
|
|
|
| C000212309_NoLoadClassMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
5.40%
|
|
| C000212309_NoLoadClassMember_2024-08-01_2025-07-31Member |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
5.94%
|
|
|
| C000212309_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
8.02%
|
|
|
| C000212309_0_AdditionalIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
5.12%
|
|
| C000212309_0_AdditionalIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
5.77%
|
|
|
| C000212310_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
7.86%
|
|
|
| C000212310_NoLoadClassMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
5.29%
|
|
| C000212310_NoLoadClassMember_2024-08-01_2025-07-31Member |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
5.84%
|
|
|
| C000212310_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
8.02%
|
|
|
| C000212310_0_AdditionalIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
5.12%
|
|
| C000212310_0_AdditionalIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
5.77%
|
|
|
| C000055926_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
7.77%
|
|
|
| C000055926_NoLoadClassMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
5.19%
|
|
| C000055926_NoLoadClassMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
5.65%
|
| C000055926_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
8.02%
|
|
|
| C000055926_0_AdditionalIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
5.12%
|
|
| C000055926_0_AdditionalIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
6.03%
|
| C000055923_ClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
1.32%
|
|
|
| C000055923_ClassMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
3.69%
|
|
| C000055923_ClassMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
4.76%
|
| C000055923_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
7.50%
|
|
|
| C000055923_NoLoadClassMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
4.93%
|
|
| C000055923_NoLoadClassMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
5.39%
|
| C000055923_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
8.02%
|
|
|
| C000055923_0_AdditionalIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
5.12%
|
|
| C000055923_0_AdditionalIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
6.03%
|
| C000055912_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
7.19%
|
|
|
| C000055912_NoLoadClassMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
4.50%
|
|
| C000055912_NoLoadClassMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
5.21%
|
| C000055912_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
7.40%
|
|
|
| C000055912_0_AdditionalIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
4.47%
|
|
| C000055912_0_AdditionalIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
5.59%
|
| C000212307_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
7.39%
|
|
|
| C000212307_NoLoadClassMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
4.70%
|
|
| C000212307_NoLoadClassMember_2024-08-01_2025-07-31Member |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
5.31%
|
|
|
| C000212307_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
7.40%
|
|
|
| C000212307_0_AdditionalIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
4.47%
|
|
| C000212307_0_AdditionalIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
5.19%
|
|
|
| C000212308_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
7.28%
|
|
|
| C000212308_NoLoadClassMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
4.60%
|
|
| C000212308_NoLoadClassMember_2024-08-01_2025-07-31Member |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
5.21%
|
|
|
| C000212308_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
7.40%
|
|
|
| C000212308_0_AdditionalIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
4.47%
|
|
| C000212308_0_AdditionalIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
5.19%
|
|
|
| C000055916_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
7.18%
|
|
|
| C000055916_NoLoadClassMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
4.50%
|
|
| C000055916_NoLoadClassMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
5.21%
|
| C000055916_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
7.40%
|
|
|
| C000055916_0_AdditionalIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
4.47%
|
|
| C000055916_0_AdditionalIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
5.59%
|
| C000055913_ClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
0.77%
|
|
|
| C000055913_ClassMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
3.01%
|
|
| C000055913_ClassMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
4.33%
|
| C000055913_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.92%
|
|
|
| C000055913_NoLoadClassMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
4.24%
|
|
| C000055913_NoLoadClassMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
4.95%
|
| C000055913_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
7.40%
|
|
|
| C000055913_0_AdditionalIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
4.47%
|
|
| C000055913_0_AdditionalIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
5.59%
|
| C000051070_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.59%
|
|
|
| C000051070_NoLoadClassMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
3.72%
|
|
| C000051070_NoLoadClassMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
4.69%
|
| C000051070_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.77%
|
|
|
| C000051070_0_AdditionalIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
3.74%
|
|
| C000051070_0_AdditionalIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
5.06%
|
| C000212299_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.81%
|
|
|
| C000212299_NoLoadClassMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
3.93%
|
|
| C000212299_NoLoadClassMember_2024-08-01_2025-07-31Member |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
4.61%
|
|
|
| C000212299_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.77%
|
|
|
| C000212299_0_AdditionalIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
3.74%
|
|
| C000212299_0_AdditionalIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
4.53%
|
|
|
| C000212300_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.71%
|
|
|
| C000212300_NoLoadClassMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
3.83%
|
|
| C000212300_NoLoadClassMember_2024-08-01_2025-07-31Member |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
4.51%
|
|
|
| C000212300_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.77%
|
|
|
| C000212300_0_AdditionalIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
3.74%
|
|
| C000212300_0_AdditionalIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
4.53%
|
|
|
| C000051074_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.62%
|
|
|
| C000051074_NoLoadClassMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
3.73%
|
|
| C000051074_NoLoadClassMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
4.69%
|
| C000051074_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.77%
|
|
|
| C000051074_0_AdditionalIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
3.74%
|
|
| C000051074_0_AdditionalIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
5.06%
|
| C000051071_ClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
0.22%
|
|
|
| C000051071_ClassMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
2.25%
|
|
| C000051071_ClassMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
3.81%
|
| C000051071_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.34%
|
|
|
| C000051071_NoLoadClassMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
3.46%
|
|
| C000051071_NoLoadClassMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
4.43%
|
| C000051071_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.77%
|
|
|
| C000051071_0_AdditionalIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
3.74%
|
|
| C000051071_0_AdditionalIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
5.06%
|
| C000051110_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.01%
|
|
|
| C000051110_NoLoadClassMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
2.92%
|
|
| C000051110_NoLoadClassMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
4.11%
|
| C000051110_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.15%
|
|
|
| C000051110_0_AdditionalIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
2.98%
|
|
| C000051110_0_AdditionalIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
4.48%
|
| C000212305_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.22%
|
|
|
| C000212305_NoLoadClassMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
3.12%
|
|
| C000212305_NoLoadClassMember_2024-08-01_2025-07-31Member |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.86%
|
|
|
| C000212305_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.15%
|
|
|
| C000212305_0_AdditionalIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
2.98%
|
|
| C000212305_0_AdditionalIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.85%
|
|
|
| C000212306_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.10%
|
|
|
| C000212306_NoLoadClassMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
3.02%
|
|
| C000212306_NoLoadClassMember_2024-08-01_2025-07-31Member |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.75%
|
|
|
| C000212306_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.15%
|
|
|
| C000212306_0_AdditionalIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
2.98%
|
|
| C000212306_0_AdditionalIndexMember_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.85%
|
|
|
| C000051114_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
5.99%
|
|
|
| C000051114_NoLoadClassMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
2.91%
|
|
| C000051114_NoLoadClassMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
4.11%
|
| C000051114_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.15%
|
|
|
| C000051114_0_AdditionalIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
2.98%
|
|
| C000051114_0_AdditionalIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
4.48%
|
| C000051111_ClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
(0.34%)
|
|
|
| C000051111_ClassMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
1.45%
|
|
| C000051111_ClassMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
3.24%
|
| C000051111_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
5.74%
|
|
|
| C000051111_NoLoadClassMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
2.66%
|
|
| C000051111_NoLoadClassMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
3.85%
|
| C000051111_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
6.15%
|
|
|
| C000051111_0_AdditionalIndexMember_5YR_LOCMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
2.98%
|
|
| C000051111_0_AdditionalIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
4.48%
|
| C000019282_NoLoadClassMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.22%
|
|
|
| C000019282_NoLoadClassMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(0.48%)
|
|
| C000019282_NoLoadClassMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
1.08%
|
| C000019282_0_AdditionalIndexMember_1YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
3.28%
|
|
|
| C000019282_0_AdditionalIndexMember_5YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
(0.53%)
|
|
| C000019282_0_AdditionalIndexMember_10YRMember |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
|
|
1.15%
|