Performance Management - (Morgan Stanley Institutional Liquidity Funds) |
Oct. 31, 2024 |
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| Government Portfolio | |||||||||||||||
| Prospectus [Line Items] | |||||||||||||||
| Bar Chart and Performance Table [Heading] | Performance Information | ||||||||||||||
| Performance Narrative [Text Block] | The bar chart and table below provide some indication of the risks of investing in the Fund by showing changes in the performance of the Fund’s Institutional Select Class shares from year-to-year and by showing the average annual returns of the Fund’s Institutional Select Class shares for the one, five and 10 year periods. The Fund’s past performance is not necessarily an indication of how the Fund will perform in the future. Updated performance information is available online at www.morganstanley.com/liquidity.
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| Performance Past Does Not Indicate Future [Text] | The Fund’s past performance is not necessarily an indication of how the Fund will perform in the future. | ||||||||||||||
| Performance Information Illustrates Variability of Returns [Text] | The bar chart and table below provide some indication of the risks of investing in the Fund by showing changes in the performance of the Fund’s Institutional Select Class shares from year-to-year and by showing the average annual returns of the Fund’s Institutional Select Class shares for the one, five and 10 year periods. | ||||||||||||||
| Bar Chart [Heading] | Annual Total Returns—Calendar Years | ||||||||||||||
| Bar Chart [Table] |
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| Bar Chart Closing [Text Block] |
The year-to-date total return as of June 30, 2025 was 2.11%.
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| Performance Table Heading | Average Annual Total Returns (for the Periods Ended December 31, 2024) | ||||||||||||||
| Performance [Table] |
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| Performance Table Closing [Text Block] | You may obtain the Fund’s 7-day current yield by calling 1-888-378-1630.
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| Money Market Seven Day Yield, Caption [Optional Text] | You may obtain the Fund’s 7-day current yield by calling 1-888-378-1630. | ||||||||||||||
| Money Market Seven Day Yield Phone | 1-888-378-1630 | ||||||||||||||
| Performance Availability Website Address [Text] | www.morganstanley.com/liquidity | ||||||||||||||
| Treasury Portfolio | |||||||||||||||
| Prospectus [Line Items] | |||||||||||||||
| Bar Chart and Performance Table [Heading] | Performance Information | ||||||||||||||
| Performance Narrative [Text Block] | The bar chart and table below provide some indication of the risks of investing in the Fund by showing changes in the performance of the Fund’s Institutional Select Class shares from year-to-year and by showing the average annual returns of the Fund’s Institutional Select Class shares for the one, five and 10 year periods. The Fund’s past performance is not necessarily an indication of how the Fund will perform in the future. Updated performance information is available online at www.morganstanley.com/liquidity.
|
||||||||||||||
| Performance Past Does Not Indicate Future [Text] | The Fund’s past performance is not necessarily an indication of how the Fund will perform in the future. | ||||||||||||||
| Performance Information Illustrates Variability of Returns [Text] | The bar chart and table below provide some indication of the risks of investing in the Fund by showing changes in the performance of the Fund’s Institutional Select Class shares from year-to-year and by showing the average annual returns of the Fund’s Institutional Select Class shares for the one, five and 10 year periods. | ||||||||||||||
| Bar Chart [Heading] | Annual Total Returns—Calendar Years | ||||||||||||||
| Bar Chart [Table] |
|
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| Bar Chart Closing [Text Block] |
The year-to-date total return as of June 30, 2025 was 2.07%.
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| Performance Table Heading | Average Annual Total Returns (for the Periods Ended December 31, 2024) | ||||||||||||||
| Performance [Table] |
|
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| Performance Table Closing [Text Block] | You may obtain the Fund’s 7-day current yield by calling 1-888-378-1630.
|
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| Money Market Seven Day Yield, Caption [Optional Text] | You may obtain the Fund’s 7-day current yield by calling 1-888-378-1630. | ||||||||||||||
| Money Market Seven Day Yield Phone | 1-888-378-1630 | ||||||||||||||
| Performance Availability Website Address [Text] | www.morganstanley.com/liquidity | ||||||||||||||
| Treasury Securities Portfolio | |||||||||||||||
| Prospectus [Line Items] | |||||||||||||||
| Bar Chart and Performance Table [Heading] | Performance Information | ||||||||||||||
| Performance Narrative [Text Block] | The bar chart and table below provide some indication of the risks of investing in the Fund by showing changes in the performance of the Fund’s Institutional Select Class shares from year-to-year and by showing the average annual returns of the Fund’s Institutional Select Class shares for the one, five and 10 year periods. The Fund’s past performance is not necessarily an indication of how the Fund will perform in the future. Updated performance information is available online at www.morganstanley.com/liquidity.
|
||||||||||||||
| Performance Past Does Not Indicate Future [Text] | The Fund’s past performance is not necessarily an indication of how the Fund will perform in the future. | ||||||||||||||
| Performance Information Illustrates Variability of Returns [Text] | The bar chart and table below provide some indication of the risks of investing in the Fund by showing changes in the performance of the Fund’s Institutional Select Class shares from year-to-year and by showing the average annual returns of the Fund’s Institutional Select Class shares for the one, five and 10 year periods. | ||||||||||||||
| Bar Chart [Heading] | Annual Total Returns—Calendar Years | ||||||||||||||
| Bar Chart [Table] |
|
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| Bar Chart Closing [Text Block] |
The year-to-date total return as of June 30, 2025 was 2.06%.
|
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| Performance Table Heading | Average Annual Total Returns (for the Periods Ended December 31, 2024) | ||||||||||||||
| Performance [Table] |
|
||||||||||||||
| Performance Table Closing [Text Block] | You may obtain the Fund’s 7-day current yield by calling 1-888-378-1630.
|
||||||||||||||
| Money Market Seven Day Yield, Caption [Optional Text] | You may obtain the Fund’s 7-day current yield by calling 1-888-378-1630. | ||||||||||||||
| Money Market Seven Day Yield Phone | 1-888-378-1630 | ||||||||||||||
| Performance Availability Website Address [Text] | www.morganstanley.com/liquidity |