v3.26.1
Expense Example, No Redemption - Eaton Vance New York Municipal Income Fund
Sep. 30, 2025
USD ($)
Eaton Vance New York Municipal Income Fund Class A  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 406
Expense Example, No Redemption, 3 Years 580
Expense Example, No Redemption, 5 Years 770
Expense Example, No Redemption, 10 Years 1,316
Eaton Vance New York Municipal Income Fund Class C  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 160
Expense Example, No Redemption, 3 Years 498
Expense Example, No Redemption, 5 Years 859
Expense Example, No Redemption, 10 Years 1,673
Eaton Vance New York Municipal Income Fund Class I  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 63
Expense Example, No Redemption, 3 Years 201
Expense Example, No Redemption, 5 Years 350
Expense Example, No Redemption, 10 Years $ 785