v3.22.4
Annual Total Returns
Sep. 30, 2022
Calvert International Responsible Index Fund  
Bar Chart Table:  
Annual Return Caption Calendar year-by-year total return
Calvert International Responsible Index Fund | Class A  
Bar Chart Table:  
2016 0.11%
2017 24.89%
2018 (13.96%)
2019 24.10%
2020 15.03%
2021 12.27%
2022 (19.41%)
Calvert US Large-Cap Core Responsible Index Fund  
Bar Chart Table:  
Annual Return Caption Calendar year-by-year total return
Calvert US Large-Cap Core Responsible Index Fund | Class A  
Bar Chart Table:  
2013 34.30%
2014 13.75%
2015 0.76%
2016 10.34%
2017 20.74%
2018 (4.39%)
2019 32.43%
2020 25.81%
2021 25.31%
2022 (21.85%)
Calvert US Large-Cap Growth Responsible Index Fund  
Bar Chart Table:  
Annual Return Caption Calendar year-by-year total return
Calvert US Large-Cap Growth Responsible Index Fund | Class A  
Bar Chart Table:  
2016 4.03%
2017 26.99%
2018 35.02%
2019 35.02%
2020 38.28%
2021 25.79%
2022 (27.02%)
Calvert US Large-Cap Value Responsible Index Fund  
Bar Chart Table:  
Annual Return Caption Calendar year-by-year total return
Calvert US Large-Cap Value Responsible Index Fund | Class A  
Bar Chart Table:  
2016 16.78%
2017 14.71%
2018 (10.36%)
2019 29.06%
2020 8.76%
2021 24.04%
2022 (11.87%)
Calvert US Mid-Cap Core Responsible Index Fund  
Bar Chart Table:  
Annual Return Caption Calendar year-by-year total return
Calvert US Mid-Cap Core Responsible Index Fund | Class A  
Bar Chart Table:  
2016 14.72%
2017 18.71%
2018 (9.49%)
2019 30.69%
2020 23.68%
2021 20.92%
2022 (19.30%)