v3.24.4
Annual Total Returns
Sep. 30, 2024
Prospectus #1 | Eaton Vance Total Return Bond Fund  
Bar Chart Table:  
Annual Return Caption Calendar year-by-year total return
Prospectus #1 | Eaton Vance Total Return Bond Fund | Class A  
Bar Chart Table:  
2015 (6.21%)
2016 11.40%
2017 7.43%
2018 (1.08%)
2019 10.53%
2020 5.60%
2021 2.75%
2022 (13.09%)
2023 6.70%
2024 4.18%
Prospectus #2 | Eaton Vance AMT-Free Municipal Income Fund  
Bar Chart Table:  
Annual Return Caption Calendar year-by-year total return
Prospectus #2 | Eaton Vance AMT-Free Municipal Income Fund | Class A  
Bar Chart Table:  
2015 3.75%
2016 0.14%
2017 4.85%
2018 1.15%
2019 7.57%
2020 5.16%
2021 1.80%
2022 (11.91%)
2023 7.12%
2024 1.25%