v3.26.3
Shareholder Report, Holdings (Details)
Aug. 31, 2026
Fidelity Maryland Municipal Income Fund | RS0Member  
Holdings [Line Items]  
Percent of Net Asset Value 39.20%
Fidelity Maryland Municipal Income Fund | RS1Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.20%
Fidelity Maryland Municipal Income Fund | RS2Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.00%
Fidelity Maryland Municipal Income Fund | RS3Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Fidelity Maryland Municipal Income Fund | RS4Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
Fidelity Maryland Municipal Income Fund | RS5Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
Fidelity Maryland Municipal Income Fund | RS6Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Maryland Municipal Income Fund | QDAAAMember  
Holdings [Line Items]  
Percent of Net Asset Value 27.70%
Fidelity Maryland Municipal Income Fund | QDAAMember  
Holdings [Line Items]  
Percent of Net Asset Value 32.20%
Fidelity Maryland Municipal Income Fund | QDAMember  
Holdings [Line Items]  
Percent of Net Asset Value 19.60%
Fidelity Maryland Municipal Income Fund | QDBBBMember  
Holdings [Line Items]  
Percent of Net Asset Value 11.90%
Fidelity Maryland Municipal Income Fund | QDBMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Maryland Municipal Income Fund | QDNotRatedMember  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
Fidelity Maryland Municipal Income Fund | QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Arizona Municipal Income Fund | RS0Member  
Holdings [Line Items]  
Percent of Net Asset Value 31.00%
Fidelity Arizona Municipal Income Fund | RS1Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.00%
Fidelity Arizona Municipal Income Fund | RS2Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.90%
Fidelity Arizona Municipal Income Fund | RS3Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity Arizona Municipal Income Fund | RS4Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
Fidelity Arizona Municipal Income Fund | RS5Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
Fidelity Arizona Municipal Income Fund | RS6Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Arizona Municipal Income Fund | RS7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Arizona Municipal Income Fund | QDAAAMember  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Arizona Municipal Income Fund | QDAAMember  
Holdings [Line Items]  
Percent of Net Asset Value 63.20%
Fidelity Arizona Municipal Income Fund | QDAMember  
Holdings [Line Items]  
Percent of Net Asset Value 20.90%
Fidelity Arizona Municipal Income Fund | QDBBBMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Arizona Municipal Income Fund | QDNotRatedMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Arizona Municipal Income Fund | QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Fidelity Arizona Municipal Income Fund | QDBBMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%