v3.26.1
Average Annual Total Returns - Eaton Vance International Small-Cap Fund - Eaton Vance International Small-Cap Fund
12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
MSCI EAFE Index (reflects net dividends, which reflect the deduction of withholding taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 31.22% 8.92% 8.18%
MSCI World ex USA Small Cap Index (reflects net dividends, which reflect the deduction of withholding taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 34.07% 6.49% 8.04%
A      
Prospectus [Line Items]      
Average Annual Return, Percent 9.84% 0.41% 5.26%
A | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 7.96% (0.35%) 4.62%
A | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 7.33% 0.43% 4.27%
I      
Prospectus [Line Items]      
Average Annual Return, Percent 16.09% 1.72% 6.08%