S000069099 [Member] Shareholder Fees - WESTERN ASSET SMASh SERIES CORE COMPLETION FUND - SMASh SERIES CORE COMPLETION FUND |
Feb. 28, 2026 |
|---|---|
| Prospectus [Line Items] | |
| Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) | 0.00% |
| Maximum Deferred Sales Charge (as a percentage) | 0.00% |