S000000714 [Member] Investment Objectives and Goals - Western Asset Core Plus Bond Fund |
Dec. 31, 2025 |
|---|---|
| Prospectus [Line Items] | |
| Risk/Return [Heading] | WESTERN ASSET CORE PLUS BOND FUND |
| Objective [Heading] | Investment objective |
| Objective, Primary [Text Block] | Maximize total return, consistent with prudent investment management and liquidity needs, by investing to obtain the average duration specified below.
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