S000069099 [Member] Expense Example, No Redemption - WESTERN ASSET SMASh SERIES CORE COMPLETION FUND - SMASh SERIES CORE COMPLETION FUND |
Feb. 28, 2025
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 0 |
| Expense Example, No Redemption, 3 Years | 18 |
| Expense Example, No Redemption, 5 Years | 37 |
| Expense Example, No Redemption, 10 Years | $ 94 |