v3.25.0.1
Average Annual Total Returns - FidelityMunicipalIncomeFund-RetailPRO - FidelityMunicipalIncomeFund-RetailPRO - Fidelity Municipal Income Fund
Mar. 01, 2025
Fidelity Municipal Income Fund | Return Before Taxes  
Average Annual Return:  
Past 1 year 1.65%
Past 5 years 1.03%
Past 10 years 2.41%
Fidelity Municipal Income Fund | After Taxes on Distributions  
Average Annual Return:  
Past 1 year 1.65%
Past 5 years 0.98%
Past 10 years 2.28%
Fidelity Municipal Income Fund | After Taxes on Distributions and Sales  
Average Annual Return:  
Past 1 year 2.19%
Past 5 years 1.41%
Past 10 years 2.51%
LB015  
Average Annual Return:  
Past 1 year 1.05%
Past 5 years 0.99%
Past 10 years 2.25%
LB083  
Average Annual Return:  
Past 1 year 0.88%
Past 5 years 0.95%
Past 10 years 2.38%