Annual Fund Operating Expenses - Western Asset Ultra-Short Income Fund |
May 31, 2026 |
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|---|---|---|---|---|---|---|
| Prospectus [Line Items] | ||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | December 31, 2027 | |||||
| Class R | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.30% | |||||
| Distribution and Service (12b-1) Fees | 0.50% | |||||
| Other Expenses (as a percentage of Assets): | 0.29% | [1] | ||||
| Expenses (as a percentage of Assets) | 1.09% | |||||
| Fee Waiver or Reimbursement | [2] | |||||
| Net Expenses (as a percentage of Assets) | 1.09% | |||||
| Class I | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.30% | |||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||
| Other Expenses (as a percentage of Assets): | 0.18% | |||||
| Expenses (as a percentage of Assets) | 0.48% | |||||
| Fee Waiver or Reimbursement | (0.10%) | [2] | ||||
| Net Expenses (as a percentage of Assets) | 0.38% | |||||
| Class IS | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.30% | |||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||
| Other Expenses (as a percentage of Assets): | 0.09% | |||||
| Expenses (as a percentage of Assets) | 0.39% | |||||
| Fee Waiver or Reimbursement | (0.04%) | [2] | ||||
| Net Expenses (as a percentage of Assets) | 0.35% | |||||
| Class A | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.30% | |||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||
| Other Expenses (as a percentage of Assets): | 0.16% | |||||
| Expenses (as a percentage of Assets) | 0.71% | |||||
| Fee Waiver or Reimbursement | (0.06%) | [2] | ||||
| Net Expenses (as a percentage of Assets) | 0.65% | |||||
| Class C | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.30% | |||||
| Distribution and Service (12b-1) Fees | 1.00% | |||||
| Other Expenses (as a percentage of Assets): | 0.15% | |||||
| Expenses (as a percentage of Assets) | 1.45% | |||||
| Fee Waiver or Reimbursement | [2] | |||||
| Net Expenses (as a percentage of Assets) | 1.45% | |||||
| Class C1 | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.30% | |||||
| Distribution and Service (12b-1) Fees | 0.75% | |||||
| Other Expenses (as a percentage of Assets): | 0.49% | |||||
| Expenses (as a percentage of Assets) | 1.54% | |||||
| Fee Waiver or Reimbursement | (0.16%) | [2] | ||||
| Net Expenses (as a percentage of Assets) | 1.38% | |||||
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