v3.25.0.1
Average Annual Total Returns - FidelitySAIMunicipalIncomeFund-PRO - FidelitySAIMunicipalIncomeFund-PRO - Fidelity SAI Municipal Income Fund
Mar. 01, 2025
Fidelity SAI Municipal Income Fund | Return Before Taxes  
Average Annual Return:  
Past 1 year 1.83%
Past 5 years 1.02%
Since Inception 2.58% [1]
Fidelity SAI Municipal Income Fund | After Taxes on Distributions  
Average Annual Return:  
Past 1 year 1.83%
Past 5 years 1.00%
Since Inception 2.52% [1]
Fidelity SAI Municipal Income Fund | After Taxes on Distributions and Sales  
Average Annual Return:  
Past 1 year 2.40%
Past 5 years 1.38%
Since Inception 2.59% [1]
LB083  
Average Annual Return:  
Past 1 year 0.88%
Past 5 years 0.95%
Since Inception 2.32%
LB015  
Average Annual Return:  
Past 1 year 1.05%
Past 5 years 0.99%
Since Inception 2.24%
[1]
A From October 2, 2018 .