Form N-CSR Cover
Form N-CSR Cover | 6 Months Ended |
Jun. 30, 2024 | |
Shareholder Report [Line Items] | |
Document Type | N-CSRS |
Amendment Flag | false |
Registrant Name | Legg Mason Partners Institutional Trust |
Entity Central Index Key | 0000889512 |
Entity Investment Company Type | N-1A |
Document Period End Date | Jun. 30, 2024 |
Shareholder Report
Shareholder Report | 6 Months Ended | |
Jun. 30, 2024 USD ($) $ / shares | ||
Shareholder Report [Line Items] | ||
Document Type | N-CSRS | |
Amendment Flag | false | |
Registrant Name | Legg Mason Partners Institutional Trust | |
Entity Central Index Key | 0000889512 | |
Entity Investment Company Type | N-1A | |
Document Period End Date | Jun. 30, 2024 | |
Single Class | ||
Shareholder Report [Line Items] | ||
Fund Name | Western Asset SMASh Series Core Plus Completion Fund | |
Class Name | Single Class | |
No Trading Symbol Flag | true | |
Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Western Asset SMASh Series Core Plus Completion Fund for the period January 1, 2024, to June 30, 2024. | |
Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
Additional Information [Text Block] | You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents . You can also request this information by contacting us at 877-6LM-FUND/656-3863 . | |
Additional Information Phone Number | 877-6LM-FUND/656-3863 | |
Additional Information Website | https://www.franklintempleton.com/regulatory-fund-documents | |
Expenses [Text Block] | WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment * , † Single Class 1 $0 0.00% | [1],[2],[3] |
Expenses Paid, Amount | $ 0 | [1] |
Expense Ratio, Percent | 0% | [1] |
Net Assets | $ 2,266,183,902 | |
Holdings Count | $ / shares | 421 | [4] |
Investment Company Portfolio Turnover | 103% | |
Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (as of June 30, 2024) Total Net Assets $2,266,183,902 Total Number of Portfolio Holdings * 421 Portfolio Turnover Rate 103% | [4] |
Holdings [Text Block] | ||
Updated Prospectus Web Address | https://www.franklintempleton.com/regulatory-fund-documents | |
[1] 1 Does not reflect the effect of fees and expenses associated with a separately managed account, nor a management fee or other operating expenses of the Fund. * Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher. † Annualized. * Does not include derivatives, except purchased options, if any. |
Shareholder Report, Holdings (D
Shareholder Report, Holdings (Details) - Single Class | Jun. 30, 2024 |
Mortgage-Backed Securities [Member] | |
Holdings [Line Items] | |
Percent of Total Investments | 32.70% |
Sovereign Bonds [Member] | |
Holdings [Line Items] | |
Percent of Total Investments | 14.50% |
Collateralized Mortgage Obligations [Member] | |
Holdings [Line Items] | |
Percent of Total Investments | 13% |
U.S. Government & Agency Obligations [Member] | |
Holdings [Line Items] | |
Percent of Total Investments | 5.40% |
Consumer Discretionary [Member] | |
Holdings [Line Items] | |
Percent of Total Investments | 5.30% |
Health Care [Member] | |
Holdings [Line Items] | |
Percent of Total Investments | 5.10% |
Energy [Member] | |
Holdings [Line Items] | |
Percent of Total Investments | 4.90% |
Communication Services [Member] | |
Holdings [Line Items] | |
Percent of Total Investments | 3.50% |
Industrials [Member] | |
Holdings [Line Items] | |
Percent of Total Investments | 3.20% |
Financials [Member] | |
Holdings [Line Items] | |
Percent of Total Investments | 2.50% |
Materials [Member] | |
Holdings [Line Items] | |
Percent of Total Investments | 2.40% |
Asset-Backed Securities [Member] | |
Holdings [Line Items] | |
Percent of Total Investments | 2.10% |
Consumer Staples [Member] | |
Holdings [Line Items] | |
Percent of Total Investments | 0.90% |
Information Technology [Member] | |
Holdings [Line Items] | |
Percent of Total Investments | 0.90% |
U.S. Treasury Inflation Protected Securities [Member] | |
Holdings [Line Items] | |
Percent of Total Investments | 0.80% |
Non-U.S. Treasury Inflation Protected Securities [Member] | |
Holdings [Line Items] | |
Percent of Total Investments | 0.20% |
Purchased Options [Member] | |
Holdings [Line Items] | |
Percent of Total Investments | 0.20% |
Real Estate [Member] | |
Holdings [Line Items] | |
Percent of Total Investments | 0.10% |
Short-Term Investment [Member] | |
Holdings [Line Items] | |
Percent of Total Investments | 2.30% |