v3.25.0.1
Average Annual Total Returns - FidelityFlexMunicipalIncomeFund-PRO - FidelityFlexMunicipalIncomeFund-PRO - Fidelity Flex Municipal Income Fund
Mar. 01, 2025
Fidelity Flex Municipal Income Fund | Return Before Taxes  
Average Annual Return:  
Past 1 year 2.31%
Past 5 years 1.26%
Since Inception 2.20% [1]
Fidelity Flex Municipal Income Fund | After Taxes on Distributions  
Average Annual Return:  
Past 1 year 2.31%
Past 5 years 1.26%
Since Inception 2.19% [1]
Fidelity Flex Municipal Income Fund | After Taxes on Distributions and Sales  
Average Annual Return:  
Past 1 year 2.56%
Past 5 years 1.50%
Since Inception 2.25% [1]
LB015  
Average Annual Return:  
Past 1 year 1.05%
Past 5 years 0.99%
Since Inception 1.94%
[1]
A From October 12, 2017 .