S000016628 [Member] Annual Fund Operating Expenses - Western Asset Managed Municipals Fund |
Feb. 28, 2026 |
|||||||
|---|---|---|---|---|---|---|---|---|
| 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) | 0.40% | |||||||
| Distribution and Service (12b-1) Fees | 0.15% | |||||||
| Component1 Other Expenses | 0.08% | |||||||
| Component2 Other Expenses | 0.10% | |||||||
| Other Expenses (as a percentage of Assets): | 0.18% | |||||||
| Expenses (as a percentage of Assets) | 0.73% | |||||||
| Fee Waiver or Reimbursement | [1] | |||||||
| Net Expenses (as a percentage of Assets) | 0.73% | |||||||
| Class C | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.40% | |||||||
| Distribution and Service (12b-1) Fees | 0.70% | |||||||
| Component1 Other Expenses | 0.08% | |||||||
| Component2 Other Expenses | 0.10% | |||||||
| Other Expenses (as a percentage of Assets): | 0.18% | |||||||
| Expenses (as a percentage of Assets) | 1.28% | |||||||
| Fee Waiver or Reimbursement | [1] | |||||||
| Net Expenses (as a percentage of Assets) | 1.28% | |||||||
| Class I | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.40% | |||||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||||
| Component1 Other Expenses | 0.08% | |||||||
| Component2 Other Expenses | 0.12% | |||||||
| Other Expenses (as a percentage of Assets): | 0.20% | |||||||
| Expenses (as a percentage of Assets) | 0.60% | |||||||
| Fee Waiver or Reimbursement | (0.07%) | [1] | ||||||
| Net Expenses (as a percentage of Assets) | 0.53% | [2] | ||||||
| Class 1 | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.40% | |||||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||||
| Component1 Other Expenses | 0.08% | |||||||
| Component2 Other Expenses | 0.12% | |||||||
| Other Expenses (as a percentage of Assets): | 0.20% | |||||||
| Expenses (as a percentage of Assets) | 0.60% | |||||||
| Fee Waiver or Reimbursement | [1] | |||||||
| Net Expenses (as a percentage of Assets) | 0.60% | |||||||
| Class FI | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.40% | |||||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||||
| Component1 Other Expenses | 0.08% | |||||||
| Component2 Other Expenses | 0.23% | [3] | ||||||
| Other Expenses (as a percentage of Assets): | 0.31% | |||||||
| Expenses (as a percentage of Assets) | 0.96% | |||||||
| Fee Waiver or Reimbursement | (0.08%) | [1] | ||||||
| Net Expenses (as a percentage of Assets) | 0.88% | [2] | ||||||
| Class IS | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.40% | |||||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||||
| Component1 Other Expenses | 0.08% | |||||||
| Component2 Other Expenses | 0.03% | |||||||
| Other Expenses (as a percentage of Assets): | 0.11% | |||||||
| Expenses (as a percentage of Assets) | 0.51% | |||||||
| Fee Waiver or Reimbursement | (0.01%) | [1] | ||||||
| Net Expenses (as a percentage of Assets) | 0.50% | [2] | ||||||
| ||||||||