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Label Element Value
Prospectus [Line Items] rr_ProspectusLineItems  
SEC Form dei_DocumentType 497
Period end date dei_DocumentPeriodEndDate Aug. 31, 2022
Registrant Name dei_EntityRegistrantName EATON VANCE GROWTH TRUST
Registrant CIK dei_EntityCentralIndexKey 0000102816
Amendment Flag dei_AmendmentFlag false
Risk/Return rr_RiskReturnHeading Supplement to Prospectus dated January 1, 2023
Prospectus #1 | Eaton Vance Richard Bernstein All Asset Strategy Fund  
Prospectus [Line Items] rr_ProspectusLineItems  
Expense Narrative rr_ExpenseNarrativeTextBlock

This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. Investors may also pay commissions or other fees to their financial intermediary, which are not reflected below.   You may qualify for a reduced sales charge on purchases of Class A if you invest, or agree to invest over a 13-month period, at least $50,000 in Eaton Vance Funds. Certain financial intermediaries also may offer variations in Fund sales charges to their customers as described in Appendix A – Financial Intermediary Sales Charge Variations in this Prospectus. More information about these and other discounts is available from your financial intermediary and in Sales Charges beginning on page 41 of this Prospectus and page 22 of the Fund’s Statement of Additional Information.
Shareholder Fees Caption rr_ShareholderFeesCaption Shareholder Fees (fees paid directly from your investment)
Operating Expenses Caption rr_OperatingExpensesCaption Annual Fund Operating Expenses (expenses you pay each year as a percentage of the value of your investment)
Expense Breakpoint Discounts rr_ExpenseBreakpointDiscounts You may qualify for a reduced sales charge on purchases of Class A if you invest, or agree to invest over a 13-month period, at least $50,000 in Eaton Vance Funds. Certain financial intermediaries also may offer variations in Fund sales charges to their customers as described in Appendix A – Financial Intermediary Sales Charge Variations in this Prospectus. More information about these and other discounts is available from your financial intermediary and in Sales Charges beginning on page 41 of this Prospectus and page 22 of the Fund’s Statement of Additional Information.
Expense Breakpoint, Minimum Investment Required rr_ExpenseBreakpointMinimumInvestmentRequiredAmount $ 50,000
Expense Example rr_ExpenseExampleHeading Example.
Expense Example Narrative rr_ExpenseExampleNarrativeTextBlock This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.  The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods.  The Example also assumes that your investment has a 5% return each year, that the operating expenses remain the same and that any expense reimbursement arrangement remains in place for the contractual period.  Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Prospectus #1 | Eaton Vance Richard Bernstein All Asset Strategy Fund | Class A  
Prospectus [Line Items] rr_ProspectusLineItems  
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 5.25%
Maximum Deferred Sales Charge (Load) (as a percentage of the lower of net asset value at time of purchase or redemption) rr_MaximumDeferredSalesChargeOverOfferingPrice none [1]
Management Fees rr_ManagementFeesOverAssets 0.83%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses rr_OtherExpensesOverAssets 0.10%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.17%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.35%
1 Year rr_ExpenseExampleYear01 $ 655
3 Years rr_ExpenseExampleYear03 930
5 Years rr_ExpenseExampleYear05 1,226
10 Years rr_ExpenseExampleYear10 2,064
1 Year rr_ExpenseExampleNoRedemptionYear01 655
3 Years rr_ExpenseExampleNoRedemptionYear03 930
5 Years rr_ExpenseExampleNoRedemptionYear05 1,226
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,064
Prospectus #1 | Eaton Vance Richard Bernstein All Asset Strategy Fund | Class C  
Prospectus [Line Items] rr_ProspectusLineItems  
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (Load) (as a percentage of the lower of net asset value at time of purchase or redemption) rr_MaximumDeferredSalesChargeOverOfferingPrice 1.00%
Management Fees rr_ManagementFeesOverAssets 0.83%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other Expenses rr_OtherExpensesOverAssets 0.10%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.17%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 2.10%
1 Year rr_ExpenseExampleYear01 $ 313
3 Years rr_ExpenseExampleYear03 658
5 Years rr_ExpenseExampleYear05 1,129
10 Years rr_ExpenseExampleYear10 2,240
1 Year rr_ExpenseExampleNoRedemptionYear01 213
3 Years rr_ExpenseExampleNoRedemptionYear03 658
5 Years rr_ExpenseExampleNoRedemptionYear05 1,129
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,240
Prospectus #1 | Eaton Vance Richard Bernstein All Asset Strategy Fund | Class I  
Prospectus [Line Items] rr_ProspectusLineItems  
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (Load) (as a percentage of the lower of net asset value at time of purchase or redemption) rr_MaximumDeferredSalesChargeOverOfferingPrice none
Management Fees rr_ManagementFeesOverAssets 0.83%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses rr_OtherExpensesOverAssets 0.10%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.17%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.10%
1 Year rr_ExpenseExampleYear01 $ 112
3 Years rr_ExpenseExampleYear03 350
5 Years rr_ExpenseExampleYear05 606
10 Years rr_ExpenseExampleYear10 1,340
1 Year rr_ExpenseExampleNoRedemptionYear01 112
3 Years rr_ExpenseExampleNoRedemptionYear03 350
5 Years rr_ExpenseExampleNoRedemptionYear05 606
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 1,340
Prospectus #2 | Eaton Vance Richard Bernstein Equity Strategy Fund  
Prospectus [Line Items] rr_ProspectusLineItems  
Document Effective Date dei_DocumentEffectiveDate Oct. 04, 2023
Expense Narrative rr_ExpenseNarrativeTextBlock

This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. Investors may also pay commissions or other fees to their financial intermediary, which are not reflected below.  You may qualify for a reduced sales charge on purchases of Class A shares if you invest, or agree to invest over a 13-month period, at least $50,000 in Eaton Vance Funds. Certain financial intermediaries also may offer variations in Fund sales charges to their customers as described in Appendix A – Financial Intermediary Sales Charge Variations in this Prospectus. More information about these and other discounts is available from your financial intermediary and in Sales Charges beginning on page 41 of this Prospectus and page 22 of the Fund’s Statement of Additional Information.

 
Shareholder Fees Caption rr_ShareholderFeesCaption Shareholder Fees (fees paid directly from your investment)
Operating Expenses Caption rr_OperatingExpensesCaption Annual Fund Operating Expenses (expenses you pay each year as a percentage of the value of your investment)
Expense Breakpoint Discounts rr_ExpenseBreakpointDiscounts You may qualify for a reduced sales charge on purchases of Class A shares if you invest, or agree to invest over a 13-month period, at least $50,000 in Eaton Vance Funds. Certain financial intermediaries also may offer variations in Fund sales charges to their customers as described in Appendix A – Financial Intermediary Sales Charge Variations in this Prospectus. More information about these and other discounts is available from your financial intermediary and in Sales Charges beginning on page 41 of this Prospectus and page 22 of the Fund’s Statement of Additional Information.
Expense Breakpoint, Minimum Investment Required rr_ExpenseBreakpointMinimumInvestmentRequiredAmount $ 50,000
Expense Example rr_ExpenseExampleHeading Example.
Expense Example Narrative rr_ExpenseExampleNarrativeTextBlock This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.  The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods.  The Example also assumes that your investment has a 5% return each year, that the operating expenses remain the same and that any expense reimbursement arrangement remains in place for the contractual period.  Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Prospectus #2 | Eaton Vance Richard Bernstein Equity Strategy Fund | Class A  
Prospectus [Line Items] rr_ProspectusLineItems  
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 5.25%
Maximum Deferred Sales Charge (Load) (as a percentage of the lower of net asset value at time of purchase or redemption) rr_MaximumDeferredSalesChargeOverOfferingPrice none [2]
Management Fees rr_ManagementFeesOverAssets 0.83%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses rr_OtherExpensesOverAssets 0.10%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.05%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.23%
1 Year rr_ExpenseExampleYear01 $ 644
3 Years rr_ExpenseExampleYear03 895
5 Years rr_ExpenseExampleYear05 1,165
10 Years rr_ExpenseExampleYear10 1,935
1 Year rr_ExpenseExampleNoRedemptionYear01 644
3 Years rr_ExpenseExampleNoRedemptionYear03 895
5 Years rr_ExpenseExampleNoRedemptionYear05 1,165
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 1,935
Prospectus #2 | Eaton Vance Richard Bernstein Equity Strategy Fund | Class C  
Prospectus [Line Items] rr_ProspectusLineItems  
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (Load) (as a percentage of the lower of net asset value at time of purchase or redemption) rr_MaximumDeferredSalesChargeOverOfferingPrice 1.00%
Management Fees rr_ManagementFeesOverAssets 0.83%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other Expenses rr_OtherExpensesOverAssets 0.10%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.05%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.98%
1 Year rr_ExpenseExampleYear01 $ 301
3 Years rr_ExpenseExampleYear03 621
5 Years rr_ExpenseExampleYear05 1,068
10 Years rr_ExpenseExampleYear10 2,113
1 Year rr_ExpenseExampleNoRedemptionYear01 201
3 Years rr_ExpenseExampleNoRedemptionYear03 621
5 Years rr_ExpenseExampleNoRedemptionYear05 1,068
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,113
Prospectus #2 | Eaton Vance Richard Bernstein Equity Strategy Fund | Class I  
Prospectus [Line Items] rr_ProspectusLineItems  
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (Load) (as a percentage of the lower of net asset value at time of purchase or redemption) rr_MaximumDeferredSalesChargeOverOfferingPrice none
Management Fees rr_ManagementFeesOverAssets 0.83%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses rr_OtherExpensesOverAssets 0.10%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.05%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 0.98%
1 Year rr_ExpenseExampleYear01 $ 100
3 Years rr_ExpenseExampleYear03 312
5 Years rr_ExpenseExampleYear05 542
10 Years rr_ExpenseExampleYear10 1,201
1 Year rr_ExpenseExampleNoRedemptionYear01 100
3 Years rr_ExpenseExampleNoRedemptionYear03 312
5 Years rr_ExpenseExampleNoRedemptionYear05 542
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 1,201
[1] Class A shares purchased at net asset value in amounts of $1 million or more are subject to a 1.00% contingent deferred sales charge if redeemed within 12 months of purchase.
[2] Class A shares purchased at net asset value in amounts of $1 million or more are subject to a 1.00% contingent deferred sales charge if redeemed within 12 months of purchase.