Annual Total Returns |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|---|---|---|---|---|---|---|---|---|---|---|
| Parametric International Funds Classess - A,C,I,R, & R6 | Parametric Emerging Markets Fund | Class A | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 27.16% | 5.40% | 9.44% | (11.31%) | 4.20% | 2.64% | 12.31% | (14.02%) | 27.01% | 12.02% |
| Parametric International Funds Classess - A,C,I,R, & R6 | Parametric International Equity Fund | Class A | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 28.50% | 1.38% | 15.50% | (15.85%) | 8.43% | 9.61% | 21.08% | (11.51%) | 25.48% | 1.42% |
| Parametric Volatility Risk Premium - Defensive Fund | Parametric Volatility Risk Premium - Defensive Fund | Class I | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 12.88% | 16.52% | 16.80% | (8.65%) | 17.97% | 4.73% | 15.79% | (3.08%) |