Eaton Vance Tax-Managed Growth Fund 1.1 Eaton Vance Tax-Managed Growth Fund 1.1 Eaton Vance Tax-Managed Growth Fund 1.2 Eaton Vance Tax-Managed Growth Fund 1.2 Eaton Vance Stock Fund Eaton Vance Stock Fund Parametric Commodity Strategy Fund Parametric Commodity Strategy Fund Dcombinedeatonvancetaxmanagedgrowthfundsprospectus_17484 Eaton Vance Tax-Managed Growth Funds Deatonvancestockfundprospectus_17494 Eaton Vance Stock Fund - Clasess A, C and I Dparametriccommoditystrategyfundprospectus_17447 Parametric Commodity Strategy Fund – Classes A and I Dcombinedeatonvancetaxmanagedgrowthfundssai_17487 Combined Eaton Vance Tax-Managed Growth Funds SAI Deatonvancestockfundsai_17495 Eaton Vance Stock Fund SAI Dparametriccommoditystrategyfundsai_17446 Parametric Commodity Strategy Fund SAI Class A - C000014485 Class A Class C - C000014487 Class C Class I - C000014488 Class I Class A - C000014466 Class A Class C - C000014468 Class C Class I - C000014469 Class I Class A - C000014418 Class A Class C - C000081632 Class C Class I - C000047558 Class I Class A - C000111445 Class A Class I - C000101132 Class I Market Risk [Member] Market Risk [Member] Equity Securities Risk [Member] Equity Securities Risk [Member] Growth Risk [Member] Growth Risk [Member] Tax-Managed Investing Risk [Member] Tax-Managed Investing 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] ETF Risk [Member] ETF Risk [Member] Real Estate Risk [Member] Real Estate Risk [Member] Focused Investment Risk [Member] Focused Investment Risk [Member] Information Technology Sector Risk [Member] Information Technology Sector Risk [Member] Securities Lending Risk [Member] Securities Lending Risk [Member] Liquidity Risk [Member] Liquidity Risk [Member] Investing in a Portfolio [Member] Investing in a Portfolio [Member] Risks Associated with Active Management [Member] Risks Associated with Active Management [Member] General Fund Investing Risks [Member] General Fund Investing Risks [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) Return After Taxes on Distributions Return After Taxes on Distributions Return After Taxes on Distributions and Sale of Fund Shares Return After Taxes on Distributions and Sale of Fund Shares Smaller Company Risk [Member] Smaller Company Risk [Member] Sector Risk [Member] Sector Risk [Member] Commodity-Related Investments Risk [Member] Commodity-Related Investments Risk [Member] Tracking Error Risk [Member] Tracking Error Risk [Member] Derivatives Risk [Member] Derivatives Risk [Member] Leverage Risk [Member] Leverage Risk [Member] Interest Rate Risk [Member] Interest Rate Risk [Member] Credit Risk [Member] Credit Risk [Member] U.S. Treasury Securities U.S. Treasury Securities Inflation-Linked Investments Risk [Member] Inflation-Linked Investments Risk [Member] Money Market Instrument Risk [Member] Money Market Instrument Risk [Member] Rules-Based Management Risks [Member] Rules-Based Management Risks [Member] Bloomberg U.S. Universal Index (reflects no deduction for fees, expenses or taxes) Bloomberg U.S. Universal Index (reflects no deduction for fees, expenses or taxes) Bloomberg Commodity Index Total Return (reflects no deduction for fees, expenses or taxes) Bloomberg Commodity Index Total Return (reflects no deduction for fees, expenses or taxes)