v3.25.1
Expense Example - FidelitySAISustainableMunicipalIncomeSustainableConservativeIncomeMunicipalBondFunds-ComboPRO - FidelitySAISustainableMunicipalIncomeSustainableConservativeIncomeMunicipalBondFunds-ComboPRO - Fidelity SAI Sustainable Conservative Income Municipal Bond Fund - Fidelity SAI Sustainable Conservative Income Municipal Bond Fund
Apr. 01, 2025
USD ($)
Expense Example:  
1 year $ 20
3 years 160
5 years 331
10 years $ 828