Annual Fund Operating Expenses - Western Asset Ultra-Short Income Fund |
May 31, 2025 |
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|---|---|---|---|---|---|---|---|---|
| Prospectus [Line Items] | ||||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | December 31, 2026 | |||||||
| 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%) | [1] | ||||||
| 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 | [1] | |||||||
| Net Expenses (as a percentage of Assets) | 1.45% | |||||||
| 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%) | [1] | ||||||
| Net Expenses (as a percentage of Assets) | 0.38% | |||||||
| 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): | 0.28% | [2] | ||||||
| Expenses (as a percentage of Assets) | 1.08% | |||||||
| Fee Waiver or Reimbursement | [1] | |||||||
| Net Expenses (as a percentage of Assets) | 1.08% | |||||||
| 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): | 0.31% | [3] | ||||||
| Expenses (as a percentage of Assets) | 1.36% | |||||||
| Fee Waiver or Reimbursement | [1] | |||||||
| Net Expenses (as a percentage of Assets) | 1.36% | |||||||
| 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): | 0.08% | |||||||
| Expenses (as a percentage of Assets) | 0.38% | |||||||
| Fee Waiver or Reimbursement | (0.03%) | [1] | ||||||
| Net Expenses (as a percentage of Assets) | 0.35% | |||||||
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