S000036895 [Member] Annual Fund Operating Expenses - Franklin U.S. Small Cap Equity Fund |
Dec. 31, 2025 |
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| Prospectus [Line Items] | ||||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | December 31, 2027 | |||||||
| Class A | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.70% | |||||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||||
| Other Expenses (as a percentage of Assets): | 0.41% | [1] | ||||||
| Expenses (as a percentage of Assets) | 1.36% | |||||||
| Fee Waiver or Reimbursement | (0.06%) | [2] | ||||||
| Net Expenses (as a percentage of Assets) | 1.30% | |||||||
| Class C | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.70% | |||||||
| Distribution and Service (12b-1) Fees | 1.00% | |||||||
| Other Expenses (as a percentage of Assets): | 0.37% | |||||||
| Expenses (as a percentage of Assets) | 2.07% | |||||||
| Fee Waiver or Reimbursement | (0.02%) | [2] | ||||||
| Net Expenses (as a percentage of Assets) | 2.05% | |||||||
| Class FI | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.70% | |||||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||||
| Other Expenses (as a percentage of Assets): | 1.00% | |||||||
| Expenses (as a percentage of Assets) | 1.95% | |||||||
| Fee Waiver or Reimbursement | (0.65%) | [2] | ||||||
| Net Expenses (as a percentage of Assets) | 1.30% | |||||||
| Class R | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.70% | |||||||
| Distribution and Service (12b-1) Fees | 0.50% | |||||||
| Other Expenses (as a percentage of Assets): | 0.42% | [3] | ||||||
| Expenses (as a percentage of Assets) | 1.62% | |||||||
| Fee Waiver or Reimbursement | (0.07%) | [2] | ||||||
| Net Expenses (as a percentage of Assets) | 1.55% | |||||||
| Class I | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.70% | |||||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||||
| Other Expenses (as a percentage of Assets): | 0.31% | [1] | ||||||
| Expenses (as a percentage of Assets) | 1.01% | |||||||
| Fee Waiver or Reimbursement | (0.01%) | [2] | ||||||
| Net Expenses (as a percentage of Assets) | 1.00% | |||||||
| Class IS | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.70% | |||||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||||
| Other Expenses (as a percentage of Assets): | 0.22% | |||||||
| Expenses (as a percentage of Assets) | 0.92% | |||||||
| Fee Waiver or Reimbursement | (0.17%) | [2] | ||||||
| Net Expenses (as a percentage of Assets) | 0.75% | |||||||
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