Performance Management |
Apr. 30, 2026 |
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| FRANKLIN GROWTH OPPORTUNITIES FUND | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Bar Chart and Performance Table [Heading] | Performance | |||||||||||
| Performance Narrative [Text Block] | The following bar chart and table provide some indication of the risks of investing in the Fund. The bar chart shows changes in the Fund's performance from year to year for Class A shares. The table shows how the Fund's average annual returns for 1 year, 5 years, 10 years or since inception, as applicable, compared with those of a broad measure of market performance and additional indexes with characteristics relevant to the Fund. The Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You can obtain updated performance information at www.franklintempleton.com or by calling (800) DIAL BEN/342-5236. Sales charges are not reflected in the bar chart, and if those charges were included, returns would be less than those shown. |
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| Performance Past Does Not Indicate Future [Text] | The Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. | |||||||||||
| Bar Chart Does Not Reflect Sales Loads [Text] | Sales charges are not reflected in the bar chart, and if those charges were included, returns would be less than those shown. | |||||||||||
| Bar Chart [Heading] | Class A Annual Total Returns | |||||||||||
| Bar Chart Closing [Text Block] |
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| Performance Table Heading | Average Annual Total Returns (figures reflect sales charges) For periods ended December 31, 2025 | |||||||||||
| Performance [Table] | ||||||||||||
| Index No Deduction for Fees, Expenses, or Taxes [Text] | (index reflects no deduction for fees, expenses or taxes) | |||||||||||
| Performance Availability Website Address [Text] | franklintempleton.com | |||||||||||
| Performance Availability Phone [Text] | (800) DIAL BEN/342-5236 | |||||||||||
| FRANKLIN GROWTH OPPORTUNITIES FUND | CLASS A | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Year to Date Return, Label [Optional Text] | As of June 30, 2026, the Fund’s year-to-date return was 10.83%. | |||||||||||
| Bar Chart, Year to Date Return | 10.83% | |||||||||||
| Bar Chart, Year to Date Return, Date | Jun. 30, 2026 | |||||||||||
| Highest Quarterly Return, Label [Optional Text] | Best Quarter | |||||||||||
| Highest Quarterly Return | 33.26% | |||||||||||
| Highest Quarterly Return, Date | Jun. 30, 2020 | |||||||||||
| Lowest Quarterly Return, Label [Optional Text] | Worst Quarter | |||||||||||
| Lowest Quarterly Return | (24.36%) | |||||||||||
| Lowest Quarterly Return, Date | Jun. 30, 2022 | |||||||||||
| FRANKLIN SMALL CAP GROWTH FUND | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Bar Chart and Performance Table [Heading] | Performance | |||||||||||
| Performance Narrative [Text Block] | The following bar chart and table provide some indication of the risks of investing in the Fund. The bar chart shows changes in the Fund's performance from year to year for Class A shares. The table shows how the Fund's average annual returns for 1 year, 5 years, 10 years or since inception, as applicable, compared with those of a broad measure of market performance and additional indexes with characteristics relevant to the Fund. The Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You can obtain updated performance information at www.franklintempleton.com or by calling (800) DIAL BEN/342-5236. Sales charges are not reflected in the bar chart, and if those charges were included, returns would be less than those shown. |
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| Performance Past Does Not Indicate Future [Text] | The Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. | |||||||||||
| Bar Chart Does Not Reflect Sales Loads [Text] | Sales charges are not reflected in the bar chart, and if those charges were included, returns would be less than those shown. | |||||||||||
| Bar Chart [Heading] | Class A Annual Total Returns | |||||||||||
| Bar Chart Closing [Text Block] |
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| Performance Table Heading | Average Annual Total Returns (figures reflect sales charges) For periods ended December 31, 2025 | |||||||||||
| Performance [Table] | ||||||||||||
| Index No Deduction for Fees, Expenses, or Taxes [Text] | (index reflects no deduction for fees, expenses or taxes) | |||||||||||
| Performance Availability Website Address [Text] | franklintempleton.com | |||||||||||
| Performance Availability Phone [Text] | (800) DIAL BEN/342-5236 | |||||||||||
| FRANKLIN SMALL CAP GROWTH FUND | CLASS A | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Year to Date Return, Label [Optional Text] | As of June 30, 2026, the Fund’s year-to-date return was 16.62%. | |||||||||||
| Bar Chart, Year to Date Return | 16.62% | |||||||||||
| Bar Chart, Year to Date Return, Date | Jun. 30, 2026 | |||||||||||
| Highest Quarterly Return, Label [Optional Text] | Best Quarter | |||||||||||
| Highest Quarterly Return | 42.55% | |||||||||||
| Highest Quarterly Return, Date | Jun. 30, 2020 | |||||||||||
| Lowest Quarterly Return, Label [Optional Text] | Worst Quarter | |||||||||||
| Lowest Quarterly Return | (26.12%) | |||||||||||
| Lowest Quarterly Return, Date | Mar. 31, 2020 | |||||||||||
| FRANKLIN SMALL-MID CAP GROWTH FUND | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Bar Chart and Performance Table [Heading] | Performance | |||||||||||
| Performance Narrative [Text Block] | The following bar chart and table provide some indication of the risks of investing in the Fund. The bar chart shows changes in the Fund's performance from year to year for Class A shares. The table shows how the Fund's average annual returns for 1 year, 5 years, 10 years or since inception, as applicable, compared with those of a broad measure of market performance and additional indexes with characteristics relevant to the Fund. The Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You can obtain updated performance information at www.franklintempleton.com or by calling (800) DIAL BEN/342-5236. Sales charges are not reflected in the bar chart, and if those charges were included, returns would be less than those shown. |
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| Performance Past Does Not Indicate Future [Text] | The Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. | |||||||||||
| Bar Chart Does Not Reflect Sales Loads [Text] | Sales charges are not reflected in the bar chart, and if those charges were included, returns would be less than those shown. | |||||||||||
| Bar Chart [Heading] | Class A Annual Total Returns | |||||||||||
| Bar Chart Closing [Text Block] |
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| Performance Table Heading | Average Annual Total Returns (figures reflect sales charges) For periods ended December 31, 2025 | |||||||||||
| Performance [Table] | ||||||||||||
| Index No Deduction for Fees, Expenses, or Taxes [Text] | (index reflects no deduction for fees, expenses or taxes) | |||||||||||
| Performance Availability Website Address [Text] | franklintempleton.com | |||||||||||
| Performance Availability Phone [Text] | (800) DIAL BEN/342-5236 | |||||||||||
| FRANKLIN SMALL-MID CAP GROWTH FUND | CLASS A | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Year to Date Return, Label [Optional Text] | As of June 30, 2026, the Fund’s year-to-date return was 10.02%. | |||||||||||
| Bar Chart, Year to Date Return | 10.02% | |||||||||||
| Bar Chart, Year to Date Return, Date | Jun. 30, 2026 | |||||||||||
| Highest Quarterly Return, Label [Optional Text] | Best Quarter | |||||||||||
| Highest Quarterly Return | 41.37% | |||||||||||
| Highest Quarterly Return, Date | Jun. 30, 2020 | |||||||||||
| Lowest Quarterly Return, Label [Optional Text] | Worst Quarter | |||||||||||
| Lowest Quarterly Return | (23.07%) | |||||||||||
| Lowest Quarterly Return, Date | Jun. 30, 2022 | |||||||||||
| FRANKLIN BIOTECHNOLOGY DISCOVERY FUND | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Bar Chart and Performance Table [Heading] | Performance | |||||||||||
| Performance Narrative [Text Block] | The following bar chart and table provide some indication of the risks of investing in the Fund. The bar chart shows changes in the Fund's performance from year to year for Class A shares. The table shows how the Fund's average annual returns for 1 year, 5 years, 10 years or since inception, as applicable, compared with those of a broad measure of market performance and additional indexes with characteristics relevant to the Fund. The Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You can obtain updated performance information at www.franklintempleton.com or by calling (800) DIAL BEN/342-5236. Sales charges are not reflected in the bar chart, and if those charges were included, returns would be less than those shown. |
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| Performance Past Does Not Indicate Future [Text] | The Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. | |||||||||||
| Bar Chart Does Not Reflect Sales Loads [Text] | Sales charges are not reflected in the bar chart, and if those charges were included, returns would be less than those shown. | |||||||||||
| Bar Chart [Heading] | Class A Annual Total Returns | |||||||||||
| Bar Chart Closing [Text Block] |
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| Performance Table Heading | Average Annual Total Returns (figures reflect sales charges) For periods ended December 31, 2025 | |||||||||||
| Performance [Table] | ||||||||||||
| Index No Deduction for Fees, Expenses, or Taxes [Text] | (index reflects no deduction for fees, expenses or taxes) | |||||||||||
| Performance Availability Website Address [Text] | franklintempleton.com | |||||||||||
| Performance Availability Phone [Text] | (800) DIAL BEN/342-5236 | |||||||||||
| FRANKLIN BIOTECHNOLOGY DISCOVERY FUND | CLASS A | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Year to Date Return, Label [Optional Text] | As of June 30, 2026, the Fund’s year-to-date return was 19.47%. | |||||||||||
| Bar Chart, Year to Date Return | 19.47% | |||||||||||
| Bar Chart, Year to Date Return, Date | Jun. 30, 2026 | |||||||||||
| Highest Quarterly Return, Label [Optional Text] | Best Quarter | |||||||||||
| Highest Quarterly Return | 29.50% | |||||||||||
| Highest Quarterly Return, Date | Sep. 30, 2025 | |||||||||||
| Lowest Quarterly Return, Label [Optional Text] | Worst Quarter | |||||||||||
| Lowest Quarterly Return | (24.51%) | |||||||||||
| Lowest Quarterly Return, Date | Mar. 31, 2016 | |||||||||||
| FRANKLIN NATURAL RESOURCES FUND | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Bar Chart and Performance Table [Heading] | Performance | |||||||||||
| Performance Narrative [Text Block] | The following bar chart and table provide some indication of the risks of investing in the Fund. The bar chart shows changes in the Fund's performance from year to year for Class A shares. The table shows how the Fund's average annual returns for 1 year, 5 years, 10 years or since inception, as applicable, compared with those of a broad measure of market performance and additional indexes with characteristics relevant to the Fund. The Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You can obtain updated performance information at www.franklintempleton.com or by calling (800) DIAL BEN/342-5236. Sales charges are not reflected in the bar chart, and if those charges were included, returns would be less than those shown. |
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| Performance Past Does Not Indicate Future [Text] | The Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. | |||||||||||
| Bar Chart Does Not Reflect Sales Loads [Text] | Sales charges are not reflected in the bar chart, and if those charges were included, returns would be less than those shown. | |||||||||||
| Bar Chart [Heading] | Class A Annual Total Returns | |||||||||||
| Bar Chart Closing [Text Block] |
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| Performance Table Heading | Average Annual Total Returns (figures reflect sales charges) For periods ended December 31, 2025 | |||||||||||
| Performance [Table] | ||||||||||||
| Index No Deduction for Fees, Expenses, or Taxes [Text] | (index reflects no deduction for fees, expenses or taxes) | |||||||||||
| Performance Availability Website Address [Text] | franklintempleton.com | |||||||||||
| Performance Availability Phone [Text] | (800) DIAL BEN/342-5236 | |||||||||||
| FRANKLIN NATURAL RESOURCES FUND | CLASS A | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Year to Date Return, Label [Optional Text] | As of June 30, 2026, the Fund’s year-to-date return was 15.08%. | |||||||||||
| Bar Chart, Year to Date Return | 15.08% | |||||||||||
| Bar Chart, Year to Date Return, Date | Jun. 30, 2026 | |||||||||||
| Highest Quarterly Return, Label [Optional Text] | Best Quarter | |||||||||||
| Highest Quarterly Return | 35.83% | |||||||||||
| Highest Quarterly Return, Date | Jun. 30, 2020 | |||||||||||
| Lowest Quarterly Return, Label [Optional Text] | Worst Quarter | |||||||||||
| Lowest Quarterly Return | (51.47%) | |||||||||||
| Lowest Quarterly Return, Date | Mar. 31, 2020 | |||||||||||
| FRANKLIN CORE PLUS BOND FUND | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Bar Chart and Performance Table [Heading] | Performance | |||||||||||
| Performance Narrative [Text Block] | The following bar chart and table provide some indication of the risks of investing in the Fund. The bar chart shows changes in the Fund's performance from year to year for Class A shares. The table shows how the Fund's average annual returns for 1 year, 5 years, 10 years or since inception, as applicable, compared with those of a broad measure of market performance. The Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You can obtain updated performance information at www.franklintempleton.com or by calling (800) DIAL BEN/342-5236. Sales charges are not reflected in the bar chart, and if those charges were included, returns would be less than those shown. |
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| Performance Past Does Not Indicate Future [Text] | The Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. | |||||||||||
| Performance Information Illustrates Variability of Returns [Text] | The following bar chart and table provide some indication of the risks of investing in the Fund. The bar chart shows changes in the Fund's performance from year to year for Class A shares. The table shows how the Fund's average annual returns for 1 year, 5 years, 10 years or since inception, as applicable, compared with those of a broad measure of market performance. | |||||||||||
| Bar Chart Does Not Reflect Sales Loads [Text] | Sales charges are not reflected in the bar chart, and if those charges were included, returns would be less than those shown. | |||||||||||
| Bar Chart [Heading] | Class A Annual Total Returns | |||||||||||
| Bar Chart Closing [Text Block] |
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| Performance Table Heading | Average Annual Total Returns (figures reflect sales charges) For periods ended December 31, 2025 | |||||||||||
| Performance [Table] | ||||||||||||
| Index No Deduction for Fees, Expenses, or Taxes [Text] | (index reflects no deduction for fees, expenses or taxes) | |||||||||||
| Performance Availability Website Address [Text] | franklintempleton.com | |||||||||||
| Performance Availability Phone [Text] | (800) DIAL BEN/342-5236 | |||||||||||
| FRANKLIN CORE PLUS BOND FUND | CLASS A | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Year to Date Return, Label [Optional Text] | As of June 30, 2026, the Fund’s year-to-date return was 0.92%. | |||||||||||
| Bar Chart, Year to Date Return | 0.92% | |||||||||||
| Bar Chart, Year to Date Return, Date | Jun. 30, 2026 | |||||||||||
| Highest Quarterly Return, Label [Optional Text] | Best Quarter | |||||||||||
| Highest Quarterly Return | 7.40% | |||||||||||
| Highest Quarterly Return, Date | Jun. 30, 2020 | |||||||||||
| Lowest Quarterly Return, Label [Optional Text] | Worst Quarter | |||||||||||
| Lowest Quarterly Return | (9.59%) | |||||||||||
| Lowest Quarterly Return, Date | Mar. 31, 2020 |