S000069099 [Member] Investment Objectives and Goals - WESTERN ASSET SMASh SERIES CORE COMPLETION FUND |
Feb. 28, 2026 |
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| Prospectus [Line Items] | |
| Risk/Return [Heading] | Western Asset SMASh Series Core Completion Fund (“SMASh Series Core Completion Fund”) |
| Objective [Heading] | Investment objective |
| Objective, Primary [Text Block] | The fund seeks to maximize total return consisting of capital appreciation and income, consistent with prudent investment management.
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