Eaton Vance Focused Growth Opportunities Fund Eaton Vance Focused Growth Opportunities Fund Eaton Vance Focused Value Opportunities Fund Eaton Vance Focused Value Opportunities Fund Dcombinedeatonvancefocusedopportunitiesfundsprospectus_17564 Eaton Vance Focused Opportunities Funds Dcombinedeatonvancefocusedopportunitiesfundssai_17563 Combined Eaton Vance Focused Opportunities Funds SAI Class A - C000098128 Class A Class C - C000098129 Class C Class I - C000098130 Class I Class A - C000098131 Class A Class C - C000098132 Class C Class I - C000098133 Class I Large-Cap Growth Risk [Member] Large-Cap Growth Risk [Member] Information Technology Sector Risk [Member] Information Technology Sector Risk [Member] S&P 500 Index (reflects no deduction for fees, expenses or taxes) S&P 500 Index (reflects no deduction for fees, expenses or taxes) Russell 1000 Growth Index (reflects no deductions for fees, expenses or taxes) Russell 1000 Growth Index (reflects no deductions for fees, expenses or taxes) Market Risk [Member] Market Risk [Member] Equity Securities Risk [Member] Equity Securities Risk [Member] Large-Cap Value Risk [Member] Large-Cap Value Risk [Member] Financials Sector Risk [Member] Financials Sector 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] Focused Investment Risk [Member] Focused Investment Risk [Member] Sector Risk [Member] Sector Risk [Member] Real Estate Risk [Member] Real Estate Risk [Member] ETF Risk [Member] ETF Risk [Member] Liquidity Risk [Member] Liquidity Risk [Member] Securities Lending Risk [Member] Securities Lending Risk [Member] Risks Associated with Active Management [Member] Risks Associated with Active Management [Member] Portfolio Turnover Risk [Member] Portfolio Turnover Risk [Member] General Fund Investing Risks [Member] General Fund Investing Risks [Member] Russell 3000 Index (reflects no deduction for fees, expenses or taxes) Russell 3000 Index (reflects no deduction for fees, expenses or taxes) Russell 1000 Value Index (reflects no deduction for fees, expenses or taxes) Russell 1000 Value Index (reflects no deduction for fees, expenses or taxes)