Eaton Vance International Small-Cap FundEaton Vance International Small-Cap FundDeatonvanceinternationalsmallcapfundprospectus_17402Eaton Vance International Small-Cap FundDeatonvanceinternationalsmallcapfundsai_17401Eaton Vance International Small-Cap Fund SAIClass A - C000163811AClass I - C000163813IMarket Risk [Member]Market Risk [Member]Equity Securities Risk [Member]Equity Securities Risk [Member]Foreign Investment Risk [Member]Foreign Investment Risk [Member]Emerging Markets Investment Risk [Member]Emerging Markets Investment Risk [Member]Currency Risk [Member]Currency Risk [Member]Smaller Company Risk [Member]Smaller Company Risk [Member]ETF Risk [Member]ETF Risk [Member]Real Estate Risk [Member]Real Estate Risk [Member]Focused Investment Risk [Member]Focused Investment Risk [Member]Geographic Risk [Member]Geographic Risk [Member]Industrials Sector Risk [Member]Industrials Sector Risk [Member]Liquidity Risk [Member]Liquidity Risk [Member]Risks Associated with Active Management [Member]Risks Associated with Active Management [Member]General Fund Investing Risks [Member]General Fund Investing Risks [Member]MSCI EAFE Index (reflects net dividends, which reflect the deduction of withholding taxes)MSCI EAFE Index (reflects net dividends, which reflect the deduction of withholding taxes)MSCI World ex USA Small Cap Index (reflects net dividends, which reflect the deduction of withholding taxes)MSCI World ex USA Small Cap Index (reflects net dividends, which reflect the deduction of withholding taxes)