v3.25.1
Average Annual Total Returns - FidelitySustainableIntermediateMunicipalIncomeFund-RetailPRO - FidelitySustainableIntermediateMunicipalIncomeFund-RetailPRO - Fidelity Sustainable Intermediate Municipal Income Fund
Apr. 01, 2025
Fidelity Sustainable Intermediate Municipal Income Fund | Return Before Taxes  
Average Annual Return:  
Past 1 year 1.37%
Since Inception 3.13% [1]
Fidelity Sustainable Intermediate Municipal Income Fund | After Taxes on Distributions  
Average Annual Return:  
Past 1 year 1.37%
Since Inception 3.13% [1]
Fidelity Sustainable Intermediate Municipal Income Fund | After Taxes on Distributions and Sales  
Average Annual Return:  
Past 1 year 2.05%
Since Inception 3.07% [1]
LB015  
Average Annual Return:  
Past 1 year 1.05%
Since Inception 2.26%
IXWQ5  
Average Annual Return:  
Past 1 year 0.71%
Since Inception 2.37%
[1]
A From April 13, 2022 .