v3.26.3
Shareholder Report
 6 Months Ended
Aug. 31, 2026
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name EATON VANCE GROWTH TRUST
Entity Central Index Key 0000102816
Entity Investment Company Type N-1A
Document Period End Date Aug. 31, 2026
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report
C000098128  
Shareholder Report [Line Items]  
Fund Name Eaton Vance Focused Growth Opportunities Fund
Class Name Class A
Trading Symbol EAFGX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Eaton Vance Focused Growth Opportunities Fund for the period of March 1, 2026 to August 31, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.eatonvance.com/open-end-mutual-fund-documents.php. You can also request this information by contacting us at 1-800-262-1122.
Additional Information Phone Number 1-800-262-1122
Additional Information Website <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">www.eatonvance.com/open-end-mutual-fund-documents.php</span>
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class A
$55
1.05%Footnote Reference1
Footnote Description
Footnote1
 Annualized
Expenses Paid, Amount $ 55
Expense Ratio, Percent 1.05% [1]
AssetsNet $ 105,112,244
Holdings Count | Holding 32
InvestmentCompanyPortfolioTurnover 25.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$105,112,244
# of Portfolio Holdings
32
Portfolio Turnover Rate
25%
Holdings [Text Block]

Sector Allocation (% of total investments)

Group By Country Chart
Table Summary
Value
Value
Short-Term Investments
0.2%
Consumer Staples
1.6%
Financials
4.3%
Health Care
7.5%
Industrials
7.9%
Consumer Discretionary
8.3%
Communication Services
15.2%
Information Technology
55.0%
Largest Holdings [Text Block]

Top Ten Holdings (% of total investments)Footnote Referencea

Table Summary
NVIDIA Corp.
14.5%
Alphabet, Inc., Class C
9.1%
Apple, Inc.
7.3%
Broadcom, Inc.
6.9%
Microsoft Corp.
6.7%
Meta Platforms, Inc., Class A
4.4%
Eli Lilly & Co.
4.2%
Amazon.com, Inc.
3.7%
Palo Alto Networks, Inc.
3.3%
Seagate Technology Holdings PLC
2.6%
Total
62.7%
Footnote Description
Footnotea
 Excluding cash equivalents
Material Fund Change [Text Block]
Updated Prospectus Phone Number 1-800-262-1122
C000098129  
Shareholder Report [Line Items]  
Fund Name Eaton Vance Focused Growth Opportunities Fund
Class Name Class C
Trading Symbol ECFGX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Eaton Vance Focused Growth Opportunities Fund for the period of March 1, 2026 to August 31, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.eatonvance.com/open-end-mutual-fund-documents.php. You can also request this information by contacting us at 1-800-262-1122.
Additional Information Phone Number 1-800-262-1122
Additional Information Website <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">www.eatonvance.com/open-end-mutual-fund-documents.php</span>
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class C
$94
1.80%Footnote Reference1
Footnote Description
Footnote1
 Annualized
Expenses Paid, Amount $ 94
Expense Ratio, Percent 1.80% [2]
AssetsNet $ 105,112,244
Holdings Count | Holding 32
InvestmentCompanyPortfolioTurnover 25.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$105,112,244
# of Portfolio Holdings
32
Portfolio Turnover Rate
25%
Holdings [Text Block]

Sector Allocation (% of total investments)

Group By Country Chart
Table Summary
Value
Value
Short-Term Investments
0.2%
Consumer Staples
1.6%
Financials
4.3%
Health Care
7.5%
Industrials
7.9%
Consumer Discretionary
8.3%
Communication Services
15.2%
Information Technology
55.0%
Largest Holdings [Text Block]

Top Ten Holdings (% of total investments)Footnote Referencea

Table Summary
NVIDIA Corp.
14.5%
Alphabet, Inc., Class C
9.1%
Apple, Inc.
7.3%
Broadcom, Inc.
6.9%
Microsoft Corp.
6.7%
Meta Platforms, Inc., Class A
4.4%
Eli Lilly & Co.
4.2%
Amazon.com, Inc.
3.7%
Palo Alto Networks, Inc.
3.3%
Seagate Technology Holdings PLC
2.6%
Total
62.7%
Footnote Description
Footnotea
 Excluding cash equivalents
Material Fund Change [Text Block]
Updated Prospectus Phone Number 1-800-262-1122
C000098130  
Shareholder Report [Line Items]  
Fund Name Eaton Vance Focused Growth Opportunities Fund
Class Name Class I
Trading Symbol EIFGX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Eaton Vance Focused Growth Opportunities Fund for the period of March 1, 2026 to August 31, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.eatonvance.com/open-end-mutual-fund-documents.php. You can also request this information by contacting us at 1-800-262-1122.
Additional Information Phone Number 1-800-262-1122
Additional Information Website <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">www.eatonvance.com/open-end-mutual-fund-documents.php</span>
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class I
$42
0.80%Footnote Reference1
Footnote Description
Footnote1
 Annualized
Expenses Paid, Amount $ 42
Expense Ratio, Percent 0.80% [3]
AssetsNet $ 105,112,244
Holdings Count | Holding 32
InvestmentCompanyPortfolioTurnover 25.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$105,112,244
# of Portfolio Holdings
32
Portfolio Turnover Rate
25%
Holdings [Text Block]

Sector Allocation (% of total investments)

Group By Country Chart
Table Summary
Value
Value
Short-Term Investments
0.2%
Consumer Staples
1.6%
Financials
4.3%
Health Care
7.5%
Industrials
7.9%
Consumer Discretionary
8.3%
Communication Services
15.2%
Information Technology
55.0%
Largest Holdings [Text Block]

Top Ten Holdings (% of total investments)Footnote Referencea

Table Summary
NVIDIA Corp.
14.5%
Alphabet, Inc., Class C
9.1%
Apple, Inc.
7.3%
Broadcom, Inc.
6.9%
Microsoft Corp.
6.7%
Meta Platforms, Inc., Class A
4.4%
Eli Lilly & Co.
4.2%
Amazon.com, Inc.
3.7%
Palo Alto Networks, Inc.
3.3%
Seagate Technology Holdings PLC
2.6%
Total
62.7%
Footnote Description
Footnotea
 Excluding cash equivalents
Material Fund Change [Text Block]
Updated Prospectus Phone Number 1-800-262-1122
C000098131  
Shareholder Report [Line Items]  
Fund Name Eaton Vance Focused Value Opportunities Fund
Class Name Class A
Trading Symbol EAFVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Eaton Vance Focused Value Opportunities Fund for the period of March 1, 2026 to August 31, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.eatonvance.com/open-end-mutual-fund-documents.php. You can also request this information by contacting us at 1-800-262-1122.
Additional Information Phone Number 1-800-262-1122
Additional Information Website <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">www.eatonvance.com/open-end-mutual-fund-documents.php</span>
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class A
$53
0.99%Footnote Reference1
Footnote Description
Footnote1
 Annualized
Expenses Paid, Amount $ 53
Expense Ratio, Percent 0.99% [4]
AssetsNet $ 74,960,881
Holdings Count | Holding 34
InvestmentCompanyPortfolioTurnover 41.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$74,960,881
# of Portfolio Holdings
34
Portfolio Turnover Rate
41%
Holdings [Text Block]

Sector Allocation (% of total investments)

Group By Country Chart
Table Summary
Value
Value
Real Estate
2.2%
Communication Services
3.0%
Short-Term Investments
3.2%
Utilities
3.7%
Materials
4.6%
Energy
7.1%
Consumer Staples
7.6%
Consumer Discretionary
10.5%
Health Care
11.0%
Industrials
13.9%
Information Technology
15.5%
Financials
17.7%
Largest Holdings [Text Block]

Top Ten Holdings (% of total investments)Footnote Referencea

Table Summary
Amazon.com, Inc.
8.2%
Cisco Systems, Inc.
4.3%
Bank of America Corp.
3.9%
Bristol-Myers Squibb Co.
3.8%
Merck & Co., Inc.
3.7%
Salesforce, Inc.
3.6%
Apple, Inc.
3.5%
AbbVie, Inc
3.4%
Reinsurance Group of America, Inc., Class A
3.4%
Intel Corp.
3.2%
Total
41.0%
Footnote Description
Footnotea
 Excluding cash equivalents
Material Fund Change [Text Block]
Updated Prospectus Phone Number 1-800-262-1122
C000098132  
Shareholder Report [Line Items]  
Fund Name Eaton Vance Focused Value Opportunities Fund
Class Name Class C
Trading Symbol ECFVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Eaton Vance Focused Value Opportunities Fund for the period of March 1, 2026 to August 31, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.eatonvance.com/open-end-mutual-fund-documents.php. You can also request this information by contacting us at 1-800-262-1122.
Additional Information Phone Number 1-800-262-1122
Additional Information Website <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">www.eatonvance.com/open-end-mutual-fund-documents.php</span>
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class C
$94
1.74%Footnote Reference1
Footnote Description
Footnote1
 Annualized
Expenses Paid, Amount $ 94
Expense Ratio, Percent 1.74% [5]
AssetsNet $ 74,960,881
Holdings Count | Holding 34
InvestmentCompanyPortfolioTurnover 41.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$74,960,881
# of Portfolio Holdings
34
Portfolio Turnover Rate
41%
Holdings [Text Block]

Sector Allocation (% of total investments)

Group By Country Chart
Table Summary
Value
Value
Real Estate
2.2%
Communication Services
3.0%
Short-Term Investments
3.2%
Utilities
3.7%
Materials
4.6%
Energy
7.1%
Consumer Staples
7.6%
Consumer Discretionary
10.5%
Health Care
11.0%
Industrials
13.9%
Information Technology
15.5%
Financials
17.7%
Largest Holdings [Text Block]

Top Ten Holdings (% of total investments)Footnote Referencea

Table Summary
Amazon.com, Inc.
8.2%
Cisco Systems, Inc.
4.3%
Bank of America Corp.
3.9%
Bristol-Myers Squibb Co.
3.8%
Merck & Co., Inc.
3.7%
Salesforce, Inc.
3.6%
Apple, Inc.
3.5%
AbbVie, Inc
3.4%
Reinsurance Group of America, Inc., Class A
3.4%
Intel Corp.
3.2%
Total
41.0%
Footnote Description
Footnotea
 Excluding cash equivalents
Material Fund Change [Text Block]
Updated Prospectus Phone Number 1-800-262-1122
C000098133  
Shareholder Report [Line Items]  
Fund Name Eaton Vance Focused Value Opportunities Fund
Class Name Class I
Trading Symbol EIFVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Eaton Vance Focused Value Opportunities Fund for the period of March 1, 2026 to August 31, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.eatonvance.com/open-end-mutual-fund-documents.php. You can also request this information by contacting us at 1-800-262-1122.
Additional Information Phone Number 1-800-262-1122
Additional Information Website <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">www.eatonvance.com/open-end-mutual-fund-documents.php</span>
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class I
$40
0.74%Footnote Reference1
Footnote Description
Footnote1
 Annualized
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.74% [6]
AssetsNet $ 74,960,881
Holdings Count | Holding 34
InvestmentCompanyPortfolioTurnover 41.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$74,960,881
# of Portfolio Holdings
34
Portfolio Turnover Rate
41%
Holdings [Text Block]

Sector Allocation (% of total investments)

Group By Country Chart
Table Summary
Value
Value
Real Estate
2.2%
Communication Services
3.0%
Short-Term Investments
3.2%
Utilities
3.7%
Materials
4.6%
Energy
7.1%
Consumer Staples
7.6%
Consumer Discretionary
10.5%
Health Care
11.0%
Industrials
13.9%
Information Technology
15.5%
Financials
17.7%
Largest Holdings [Text Block]

Top Ten Holdings (% of total investments)Footnote Referencea

Table Summary
Amazon.com, Inc.
8.2%
Cisco Systems, Inc.
4.3%
Bank of America Corp.
3.9%
Bristol-Myers Squibb Co.
3.8%
Merck & Co., Inc.
3.7%
Salesforce, Inc.
3.6%
Apple, Inc.
3.5%
AbbVie, Inc
3.4%
Reinsurance Group of America, Inc., Class A
3.4%
Intel Corp.
3.2%
Total
41.0%
Footnote Description
Footnotea
 Excluding cash equivalents
Material Fund Change [Text Block]
Updated Prospectus Phone Number 1-800-262-1122
[1] Annualized
[2] Annualized
[3] Annualized
[4] Annualized
[5] Annualized
[6] Annualized