v3.26.1
Shareholder Report
 6 Months Ended
Feb. 28, 2026
USD ($)
$ / shares
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name Templeton Growth Fund, Inc.
Entity Central Index Key 0000805664
Entity Investment Company Type N-1A
Document Period End Date Feb. 28, 2026
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Class A  
Shareholder Report [Line Items]  
Fund Name Templeton Growth Fund Inc.
Class Name Class A
Trading Symbol TEPLX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Templeton Growth Fund Inc. for the period September 1, 2025, to February 28, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at (800) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment*,†
Class A
$53
1.02%
[1],[2]
Expenses Paid, Amount $ 53
Expense Ratio, Percent 1.02%
Net Assets $ 9,432,317,166
Holdings Count | $ / shares 62
Investment Company Portfolio Turnover 30.51%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$9,432,317,166
Total Number of Portfolio Holdings
62
Portfolio Turnover Rate
30.51%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [3]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Templeton Growth Fund Inc.
Class Name Class C
Trading Symbol FTGQX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Templeton Growth Fund Inc. for the period September 1, 2025, to February 28, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at (800) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment*,†
Class C
$92
1.77%
[4],[5]
Expenses Paid, Amount $ 92
Expense Ratio, Percent 1.77%
Net Assets $ 9,432,317,166
Holdings Count | $ / shares 62
Investment Company Portfolio Turnover 30.51%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$9,432,317,166
Total Number of Portfolio Holdings
62
Portfolio Turnover Rate
30.51%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [6]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R  
Shareholder Report [Line Items]  
Fund Name Templeton Growth Fund Inc.
Class Name Class R
Trading Symbol TEGRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Templeton Growth Fund Inc. for the period September 1, 2025, to February 28, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at (800) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment*,†
Class R
$66
1.27%
[7],[8]
Expenses Paid, Amount $ 66
Expense Ratio, Percent 1.27%
Net Assets $ 9,432,317,166
Holdings Count | $ / shares 62
Investment Company Portfolio Turnover 30.51%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$9,432,317,166
Total Number of Portfolio Holdings
62
Portfolio Turnover Rate
30.51%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [9]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Templeton Growth Fund Inc.
Class Name Class R6
Trading Symbol FTGFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Templeton Growth Fund Inc. for the period September 1, 2025, to February 28, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at (800) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment*,†
Class R6
$38
0.73%
[10],[11]
Expenses Paid, Amount $ 38
Expense Ratio, Percent 0.73%
Net Assets $ 9,432,317,166
Holdings Count | $ / shares 62
Investment Company Portfolio Turnover 30.51%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$9,432,317,166
Total Number of Portfolio Holdings
62
Portfolio Turnover Rate
30.51%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [12]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Advisor Class  
Shareholder Report [Line Items]  
Fund Name Templeton Growth Fund Inc.
Class Name Advisor Class
Trading Symbol TGADX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Templeton Growth Fund Inc. for the period September 1, 2025, to February 28, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at (800) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment*,†
Advisor Class
$40
0.77%
[13],[14]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.77%
Net Assets $ 9,432,317,166
Holdings Count | $ / shares 62
Investment Company Portfolio Turnover 30.51%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$9,432,317,166
Total Number of Portfolio Holdings
62
Portfolio Turnover Rate
30.51%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [15]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
[1]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[2]
† Annualized.
[3]
* Does not include derivatives, except purchased options, if any.  
[4]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[5]
† Annualized.
[6]
* Does not include derivatives, except purchased options, if any.  
[7]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[8]
† Annualized.
[9]
* Does not include derivatives, except purchased options, if any.  
[10]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[11]
† Annualized.
[12]
* Does not include derivatives, except purchased options, if any.  
[13]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[14]
† Annualized.
[15]
* Does not include derivatives, except purchased options, if any.