v3.25.1
Expense Example - FidelityMassachusettsMunicipalMoneyMarketFund-PremiumPRO - FidelityMassachusettsMunicipalMoneyMarketFund-PremiumPRO - Fidelity Massachusetts Municipal Money Market Fund - Fidelity Massachusetts Municipal Money Market Fund - Premium Class
Apr. 01, 2025
USD ($)
Expense Example:  
1 year $ 31
3 years 97
5 years 169
10 years $ 381