Shareholder Report, Average Annual Return (Details) LMF6800_Western Asset Total Return Unconstrained Fund_Class FI_TSR Annual {Class FI} |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
May 31, 2026 |
May 31, 2026 |
May 31, 2026 |
|
| Class FI | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class FI | ||
| Average Annual Return, Percent | 3.80% | 0.11% | 2.01% |
| Bloomberg U.S. Aggregate Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Bloomberg U.S. Aggregate Index | ||
| Average Annual Return, Percent | 5.13% | 0.17% | 1.70% |
| ICE BofA 3-Month U.S. Treasury Bill Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | ICE BofA 3-Month U.S. Treasury Bill Index | ||
| Average Annual Return, Percent | 3.88% | 3.46% | 2.32% |