v3.25.1
Expense Example - FidelityMassachusettsMunicipalIncomeandMunicipalMoneyMarketFund-RetailComboPRO - FidelityMassachusettsMunicipalIncomeandMunicipalMoneyMarketFund-RetailComboPRO - Fidelity Massachusetts Municipal Money Market Fund - Fidelity Massachusetts Municipal Money Market Fund
Apr. 01, 2025
USD ($)
Expense Example:  
1 year $ 43
3 years 135
5 years 235
10 years $ 530