v3.25.4
Fees and Expenses
Oct. 31, 2025
Morgan Stanley Institutional Liquidity Funds - Institutional Class Portfolios | MSILF Prime Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Institutional Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Institutional Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.07%
Total Annual Fund Operating Expenses1
0.22%
Fee Waiver and/or Expense Reimbursement1
0.02%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.20%
[1]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Institutional  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Institutional Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Institutional Class
$20
$69
$122
$278
Morgan Stanley Institutional Liquidity Funds - Institutional Class Portfolios | MSILF Government Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Institutional Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Institutional Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.05%
Total Annual Fund Operating Expenses1
0.20%
Fee Waiver and/or Expense Reimbursement1
0.05%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.15%
[2]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Institutional  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Institutional Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Institutional Class
$15
$59
$108
$250
Morgan Stanley Institutional Liquidity Funds - Institutional Class Portfolios | MSILF Government Securities Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Institutional Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Institutional Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.08%
Total Annual Fund Operating Expenses1
0.23%
Fee Waiver and/or Expense Reimbursement1
0.03%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.20%
[3]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Institutional  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Institutional Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Institutional Class
$20
$71
$126
$290
Morgan Stanley Institutional Liquidity Funds - Institutional Class Portfolios | MSILF Treasury Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Institutional Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Institutional Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.06%
Total Annual Fund Operating Expenses1
0.21%
Fee Waiver and/or Expense Reimbursement1
0.01%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.20%
[4]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Institutional  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Institutional Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Institutional Class
$20
$67
$117
$267
Morgan Stanley Institutional Liquidity Funds - Institutional Class Portfolios | MSILF Treasury Securities Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Institutional Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Institutional Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.06%
Total Annual Fund Operating Expenses1
0.21%
Fee Waiver and/or Expense Reimbursement1
0.01%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.20%
[5]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Institutional  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Institutional Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Institutional Class
$20
$67
$117
$267
Morgan Stanley Institutional Liquidity Funds - Institutional Plus Class Portfolios | MSILF Government Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Institutional Plus Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Other Expenses, New Fund, Based on Estimates [Text] Other Expenses have been estimated for the current fiscal year.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Institutional Plus Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses1
0.05%
Shareholder Administration Fee
0.02%
Total Annual Fund Operating Expenses2
0.22%
Fee Waiver and/or Expense Reimbursement2
0.05%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement2
0.17%
[6],[7]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Institutional Plus  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Institutional Plus Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Institutional Plus Class
$17
$66
$119
$275
Morgan Stanley Institutional Liquidity Funds - Institutional Plus Class Portfolios | MSILF Treasury Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Institutional Plus Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Other Expenses, New Fund, Based on Estimates [Text] Other Expenses have been estimated for the current fiscal year.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Institutional Plus Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses1
0.06%
Shareholder Administration Fee
0.02%
Total Annual Fund Operating Expenses2
0.23%
Fee Waiver and/or Expense Reimbursement2
0.01%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement2
0.22%
[8],[9]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Institutional Plus  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Institutional Plus Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Institutional Plus Class
$23
$73
$129
$292
Morgan Stanley Institutional Liquidity Funds - Institutional Plus Class Portfolios | MSILF Treasury Securities Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Institutional Plus Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Other Expenses, New Fund, Based on Estimates [Text] Other Expenses have been estimated for the current fiscal year.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Institutional Plus Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses1
0.06%
Shareholder Administration Fee
0.02%
Total Annual Fund Operating Expenses2
0.23%
Fee Waiver and/or Expense Reimbursement2
0.01%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement2
0.22%
[10],[11]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Institutional Plus  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Institutional Plus Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Institutional Plus Class
$23
$73
$129
$292
Morgan Stanley Institutional Liquidity Funds - Institutional Select Class Portfolios | MSILF Prime Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Institutional Select Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Institutional Select Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.07%
Shareholder Administration Fee
0.05%
Total Annual Fund Operating Expenses1
0.27%
Fee Waiver and/or Expense Reimbursement1
0.02%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.25%
[12]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Institutional Select  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Institutional Select Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Institutional Select Class
$26
$85
$150
$341
Morgan Stanley Institutional Liquidity Funds - Institutional Select Class Portfolios | MSILF Government Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Institutional Select Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Institutional Select Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.05%
Shareholder Administration Fee
0.05%
Total Annual Fund Operating Expenses1
0.25%
Fee Waiver and/or Expense Reimbursement1
0.05%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.20%
[13]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Institutional Select  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Institutional Select Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Institutional Select Class
$20
$75
$136
$313
Morgan Stanley Institutional Liquidity Funds - Institutional Select Class Portfolios | MSILF Government Securities Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Institutional Select Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Institutional Select Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.08%
Shareholder Administration Fee
0.05%
Total Annual Fund Operating Expenses1
0.28%
Fee Waiver and/or Expense Reimbursement1
0.03%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.25%
[14]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Institutional Select  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Institutional Select Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Institutional Select Class
$26
$87
$154
$353
Morgan Stanley Institutional Liquidity Funds - Institutional Select Class Portfolios | MSILF Treasury Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Institutional Select Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Institutional Select Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.06%
Shareholder Administration Fee
0.05%
Total Annual Fund Operating Expenses1
0.26%
Fee Waiver and/or Expense Reimbursement1
0.01%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.25%
[15]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Institutional Select  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Institutional Select Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Institutional Select Class
$26
$83
$145
$330
Morgan Stanley Institutional Liquidity Funds - Institutional Select Class Portfolios | MSILF Treasury Securities Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Institutional Select Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Institutional Select Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.06%
Shareholder Administration Fee
0.05%
Total Annual Fund Operating Expenses1
0.26%
Fee Waiver and/or Expense Reimbursement1
0.01%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.25%
[16]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Institutional Select  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Institutional Select Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Institutional Select Class
$26
$83
$145
$330
Morgan Stanley Institutional Liquidity Funds - Investor Class Portfolios | MSILF Prime Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Investor Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Investor Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.07%
Shareholder Administration Fee
0.10%
Total Annual Fund Operating Expenses1
0.32%
Fee Waiver and/or Expense Reimbursement1
0.02%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.30%
[17]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Investor  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Investor Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Investor Class
$31
$101
$178
$404
Morgan Stanley Institutional Liquidity Funds - Investor Class Portfolios | MSILF Government Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Investor Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Investor Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.05%
Shareholder Administration Fee
0.10%
Total Annual Fund Operating Expenses1
0.30%
Fee Waiver and/or Expense Reimbursement1
0.05%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.25%
[18]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Investor  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Investor Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Investor Class
$26
$91
$164
$376
Morgan Stanley Institutional Liquidity Funds - Investor Class Portfolios | MSILF Government Securities Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Investor Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Investor Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.08%
Shareholder Administration Fee
0.10%
Total Annual Fund Operating Expenses1
0.33%
Fee Waiver and/or Expense Reimbursement1
0.03%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.30%
[19]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Investor  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Investor Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Investor Class
$31
$103
$182
$415
Morgan Stanley Institutional Liquidity Funds - Investor Class Portfolios | MSILF Treasury Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Investor Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Investor Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.06%
Shareholder Administration Fee
0.10%
Total Annual Fund Operating Expenses1
0.31%
Fee Waiver and/or Expense Reimbursement1
0.01%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.30%
[20]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Investor  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Investor Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Investor Class
$31
$99
$173
$392
Morgan Stanley Institutional Liquidity Funds - Investor Class Portfolios | MSILF Treasury Securities Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Investor Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Investor Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.06%
Shareholder Administration Fee
0.10%
Total Annual Fund Operating Expenses1
0.31%
Fee Waiver and/or Expense Reimbursement1
0.01%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.30%
[21]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Investor  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Investor Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Investor Class
$31
$99
$173
$392
Morgan Stanley Institutional Liquidity Funds - Administrative Class Portfolios | MSILF Prime Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Administrative Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Administrative Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.07%
Shareholder Administration Fee
0.15%
Total Annual Fund Operating Expenses1
0.37%
Fee Waiver and/or Expense Reimbursement1
0.02%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.35%
[22]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Administrative  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Administrative Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Administrative Class
$36
$117
$206
$466
Morgan Stanley Institutional Liquidity Funds - Administrative Class Portfolios | MSILF Government Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Administrative Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Administrative Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.05%
Shareholder Administration Fee
0.15%
Total Annual Fund Operating Expenses1
0.35%
Fee Waiver and/or Expense Reimbursement1
0.05%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.30%
[23]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Administrative  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Administrative Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Administrative Class
$31
$107
$191
$438
Morgan Stanley Institutional Liquidity Funds - Administrative Class Portfolios | MSILF Government Securities Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Administrative Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Administrative Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.08%
Shareholder Administration Fee
0.15%
Total Annual Fund Operating Expenses1
0.38%
Fee Waiver and/or Expense Reimbursement1
0.03%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.35%
[24]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Administrative  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Administrative Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Administrative Class
$36
$119
$210
$477
Morgan Stanley Institutional Liquidity Funds - Administrative Class Portfolios | MSILF Treasury Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Administrative Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Administrative Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.06%
Shareholder Administration Fee
0.15%
Total Annual Fund Operating Expenses1
0.36%
Fee Waiver and/or Expense Reimbursement1
0.01%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.35%
[25]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Administrative  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Administrative Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Administrative Class
$36
$115
$201
$455
Morgan Stanley Institutional Liquidity Funds - Administrative Class Portfolios | MSILF Treasury Securities Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Administrative Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Administrative Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.06%
Shareholder Administration Fee
0.15%
Total Annual Fund Operating Expenses1
0.36%
Fee Waiver and/or Expense Reimbursement1
0.01%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.35%
[26]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Administrative  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Administrative Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Administrative Class
$36
$115
$201
$455
Morgan Stanley Institutional Liquidity Funds - Advisory Class Portfolios | MSILF Prime Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Advisory Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Advisory Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.07%
Service and Shareholder Administration Fee
0.25%
Total Annual Fund Operating Expenses1
0.47%
Fee Waiver and/or Expense Reimbursement1
0.02%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.45%
[27]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Advisory  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Advisory Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Advisory Class
$46
$149
$261
$590
Morgan Stanley Institutional Liquidity Funds - Advisory Class Portfolios | MSILF Government Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Advisory Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Advisory Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.05%
Service and Shareholder Administration Fee
0.25%
Total Annual Fund Operating Expenses1
0.45%
Fee Waiver and/or Expense Reimbursement1
0.05%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.40%
[28]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Advisory  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Advisory Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Advisory Class
$41
$139
$247
$562
Morgan Stanley Institutional Liquidity Funds - Advisory Class Portfolios | MSILF Government Securities Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Advisory Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Advisory Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.08%
Service and Shareholder Administration Fee
0.25%
Total Annual Fund Operating Expenses1
0.48%
Fee Waiver and/or Expense Reimbursement1
0.03%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.45%
[29]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Advisory  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Advisory Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Advisory Class
$46
$151
$266
$601
Morgan Stanley Institutional Liquidity Funds - Advisory Class Portfolios | MSILF Treasury Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Advisory Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Advisory Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.06%
Service and Shareholder Administration Fee
0.25%
Total Annual Fund Operating Expenses1
0.46%
Fee Waiver and/or Expense Reimbursement1
0.01%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.45%
[30]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Advisory  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Advisory Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Advisory Class
$46
$147
$257
$578
Morgan Stanley Institutional Liquidity Funds - Advisory Class Portfolios | MSILF Treasury Securities Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Advisory Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Advisory Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.06%
Service and Shareholder Administration Fee
0.25%
Total Annual Fund Operating Expenses1
0.46%
Fee Waiver and/or Expense Reimbursement1
0.01%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.45%
[31]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Advisory  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Advisory Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Advisory Class
$46
$147
$257
$578
Morgan Stanley Institutional Liquidity Funds - Participant Class Portfolios | MSILF Prime Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Participant Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Participant Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
0.25%
Other Expenses
0.07%
Shareholder Service Fee
0.25%
Total Annual Fund Operating Expenses1
0.72%
Fee Waiver and/or Expense Reimbursement1
0.02%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.70%
[32]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Participant  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Participant Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Participant Class
$72
$228
$399
$893
Morgan Stanley Institutional Liquidity Funds - Participant Class Portfolios | MSILF Government Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Participant Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Participant Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
0.25%
Other Expenses
0.05%
Shareholder Service Fee
0.25%
Total Annual Fund Operating Expenses1
0.70%
Fee Waiver and/or Expense Reimbursement1
0.05%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.65%
[33]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Participant  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Participant Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Participant Class
$66
$219
$385
$866
Morgan Stanley Institutional Liquidity Funds - Participant Class Portfolios | MSILF Government Securities Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Participant Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Participant Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
0.25%
Other Expenses
0.08%
Shareholder Service Fee
0.25%
Total Annual Fund Operating Expenses1
0.73%
Fee Waiver and/or Expense Reimbursement1
0.28%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.45%
[34]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Participant  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Participant Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Participant Class
$46
$205
$378
$880
Morgan Stanley Institutional Liquidity Funds - Participant Class Portfolios | MSILF Treasury Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Participant Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Participant Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
0.25%
Other Expenses
0.06%
Shareholder Service Fee
0.25%
Total Annual Fund Operating Expenses1
0.71%
Fee Waiver and/or Expense Reimbursement1
0.01%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.70%
[35]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Participant  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Participant Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Participant Class
$72
$226
$394
$882
Morgan Stanley Institutional Liquidity Funds - Participant Class Portfolios | MSILF Treasury Securities Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Participant Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Participant Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
0.25%
Other Expenses
0.06%
Shareholder Service Fee
0.25%
Total Annual Fund Operating Expenses1
0.71%
Fee Waiver and/or Expense Reimbursement1
0.01%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.70%
[36]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Participant  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Participant Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Participant Class
$72
$226
$394
$882
Morgan Stanley Institutional Liquidity Funds - Cash Management Class Portfolios | MSILF Prime Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Cash Management Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Cash Management Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
0.10%
Other Expenses
0.07%
Shareholder Service Fee
0.05%
Total Annual Fund Operating Expenses1
0.37%
Fee Waiver and/or Expense Reimbursement1
0.02%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.35%
[37]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Cash Management  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Cash Management Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Cash Management Class
$36
$117
$206
$466
Morgan Stanley Institutional Liquidity Funds - Cash Management Class Portfolios | MSILF Government Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Cash Management Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Cash Management Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
0.10%
Other Expenses
0.05%
Shareholder Service Fee
0.05%
Total Annual Fund Operating Expenses1
0.35%
Fee Waiver and/or Expense Reimbursement1
0.05%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.30%
[38]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Cash Management  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Cash Management Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Cash Management Class
$31
$107
$191
$438
Morgan Stanley Institutional Liquidity Funds - Cash Management Class Portfolios | MSILF Government Securities Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Cash Management Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Cash Management Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
0.10%
Other Expenses
0.08%
Shareholder Service Fee
0.05%
Total Annual Fund Operating Expenses1
0.38%
Fee Waiver and/or Expense Reimbursement1
0.03%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.35%
[39]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Cash Management  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Cash Management Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Cash Management Class
$36
$119
$210
$477
Morgan Stanley Institutional Liquidity Funds - Cash Management Class Portfolios | MSILF Treasury Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Cash Management Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Cash Management Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
0.10%
Other Expenses
0.06%
Shareholder Service Fee
0.05%
Total Annual Fund Operating Expenses1
0.36%
Fee Waiver and/or Expense Reimbursement1
0.01%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.35%
[40]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Cash Management  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Cash Management Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Cash Management Class
$36
$115
$201
$455
Morgan Stanley Institutional Liquidity Funds - Cash Management Class Portfolios | MSILF Treasury Securities Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Cash Management Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Cash Management Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
0.10%
Other Expenses
0.06%
Shareholder Service Fee
0.05%
Total Annual Fund Operating Expenses1
0.36%
Fee Waiver and/or Expense Reimbursement1
0.01%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.35%
[41]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Cash Management  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Cash Management Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Cash Management Class
$36
$115
$201
$455
Morgan Stanley Institutional Liquidity Funds - Select Class Portfolios | MSILF Government Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Select Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Select Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
0.55%
Other Expenses
0.05%
Shareholder Service Fee
0.25%
Total Annual Fund Operating Expenses1
1.00%
Fee Waiver and/or Expense Reimbursement1
0.05%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.95%
[42]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Select  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Select Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Select Class
$97
$313
$548
$1,220
Morgan Stanley Institutional Liquidity Funds - Select Class Portfolios | MSILF Treasury Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Select Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Select Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
0.55%
Other Expenses
0.06%
Shareholder Service Fee
0.25%
Total Annual Fund Operating Expenses1
1.01%
Fee Waiver and/or Expense Reimbursement1
0.01%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
1.00%
[43]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Select  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Select Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Select Class
$102
$321
$557
$1,235
Morgan Stanley Institutional Liquidity Funds - Select Class Portfolios | MSILF Treasury Securities Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Select Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Select Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
0.55%
Other Expenses
0.06%
Shareholder Service Fee
0.25%
Total Annual Fund Operating Expenses1
1.01%
Fee Waiver and/or Expense Reimbursement1
0.01%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
1.00%
[44]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Select  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Select Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Select Class
$102
$321
$557
$1,235
Morgan Stanley Institutional Liquidity Funds - CastleOak Share Class | MSILF Prime Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell shares of the CastleOak  Share Class (“CastleOak Shares” or “CastleOak  Class”)  of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
CastleOak Shares Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.07%
Total Annual Fund Operating Expenses1
0.22%
Fee Waiver and/or Expense Reimbursement1
0.02%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.20%
[45]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  CastleOak Shares with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  CastleOak Shares for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
CastleOak Shares
$20
$69
$122
$278
Morgan Stanley Institutional Liquidity Funds - CastleOak Share Class | MSILF Government Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell shares of the CastleOak  Share Class (“CastleOak Shares” or “CastleOak  Class”)  of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
CastleOak Shares Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.05%
Total Annual Fund Operating Expenses1
0.20%
Fee Waiver and/or Expense Reimbursement1
0.05%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.15%
[46]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  CastleOak Shares  with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  CastleOak Shares for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
CastleOak Shares
$15
$59
$108
$250
Morgan Stanley Institutional Liquidity Funds - Impact Class Portfolios | MSILF Prime Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Impact Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Impact Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.07%
Total Annual Fund Operating Expenses1
0.22%
Fee Waiver and/or Expense Reimbursement1
0.02%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.20%
[47]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Impact Class  with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Impact Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Impact Class
$20
$69
$122
$278
Morgan Stanley Institutional Liquidity Funds - Impact Class Portfolios | MSILF Government Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Impact Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Impact Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.05%
Total Annual Fund Operating Expenses1
0.20%
Fee Waiver and/or Expense Reimbursement1
0.05%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.15%
[48]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Impact Class  with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Impact Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Impact Class
$15
$59
$108
$250
Morgan Stanley Institutional Liquidity Funds - Impact Class Portfolios | MSILF Treasury Securities Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Impact Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Impact Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.06%
Total Annual Fund Operating Expenses1
0.21%
Fee Waiver and/or Expense Reimbursement1
0.01%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.20%
[49]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Impact  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Impact Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Impact Class
$20
$67
$117
$267
Morgan Stanley Institutional Liquidity Funds - Impact Partner Class Portfolios | MSILF Prime Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Impact Partner Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Impact Partner Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.07%
Total Annual Fund Operating Expenses1
0.22%
Fee Waiver and/or Expense Reimbursement1
0.02%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.20%
[50]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Impact Partner Class  with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Impact Partner Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Impact Partner Class
$20
$69
$122
$278
Morgan Stanley Institutional Liquidity Funds - Impact Partner Class Portfolios | MSILF Government Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Impact Partner Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Impact Partner Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.05%
Total Annual Fund Operating Expenses1
0.20%
Fee Waiver and/or Expense Reimbursement1
0.05%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.15%
[51]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Impact Partner Class  with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Impact Partner Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Impact Partner Class
$15
$59
$108
$250
Morgan Stanley Institutional Liquidity Funds - Impact Partner Class Portfolios | MSILF Treasury Securities Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Impact Partner Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Impact Partner Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.06%
Total Annual Fund Operating Expenses1
0.21%
Fee Waiver and/or Expense Reimbursement1
0.01%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.20%
[52]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Impact Partner  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Impact Partner Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Impact Partner Class
$20
$67
$117
$267
Morgan Stanley Institutional Liquidity Funds - Advisor Class Portfolios | MSILF Government Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Advisor Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses  (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Advisor Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.05%
Total Annual Fund Operating Expenses1
0.20%
Fee Waiver and/or Expense Reimbursement1
0.05%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.15%
[53]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Advisor Class  with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Advisor Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Advisor Class
$15
$59
$108
$250
Morgan Stanley Institutional Liquidity Funds - Advisor Class Portfolios | MSILF Treasury Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Advisor Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Advisor Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.06%
Total Annual Fund Operating Expenses1
0.21%
Fee Waiver and/or Expense Reimbursement1
0.01%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.20%
[54]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Advisor  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Advisor Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Advisor Class
$20
$67
$117
$267
Morgan Stanley Institutional Liquidity Funds - Advisor Class Portfolios | MSILF Treasury Securities Portfolio  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses
Expense Narrative [Text Block]
The table below describes the expenses that you may pay if you buy, hold and sell Advisor Class shares of the Fund. The Fund does not charge any sales loads or other fees when you purchase or redeem shares. You may pay fees other than the fees and expenses of the Fund, such as brokerage commissions and other fees charged by financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
 
Advisor Class
Advisory Fee
0.15%
Distribution and/or Shareholder Service (12b-1) Fee
None
Other Expenses
0.06%
Total Annual Fund Operating Expenses1
0.21%
Fee Waiver and/or Expense Reimbursement1
0.01%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1
0.20%
[55]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
The example below is intended to help you compare the cost of investing in the Fund’s  Advisor  Class with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund’s  Advisor Class for the time periods indicated and then redeem all of your shares at the end of those periods, your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the example incorporates the fee waiver and/or expense reimbursement arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, With Redemption [Table]
 
1 Year
3 Years
5 Years
10 Years
Advisor Class
$20
$67
$117
$267
[1]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Institutional Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.20%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[2]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Institutional Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.15%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[3]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Institutional Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.20%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[4]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Institutional Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.20%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[5]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Institutional Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.20%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[6]
1 Other Expenses have been estimated for the current fiscal year.
[7]
2 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Institutional Plus Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.17%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[8]
1 Other Expenses have been estimated for the current fiscal year.
[9]
2 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Institutional Plus Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.22%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[10]
1 Other Expenses have been estimated for the current fiscal year.
[11]
2 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Institutional Plus Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.22%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[12]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s Institutional Select Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.25%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[13]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s Institutional Select Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.20%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[14]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s Institutional Select Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.25%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[15]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s Institutional Select Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.25%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[16]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s Institutional Select Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.25%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[17]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Investor Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.30%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[18]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Investor Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.25%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[19]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Investor Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.30%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[20]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Investor Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.30%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[21]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Investor Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.30%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[22]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Administrative Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.35%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[23]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Administrative Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.30%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[24]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Administrative Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.35%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[25]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Administrative Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.35%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[26]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Administrative Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.35%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[27]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Advisory Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.45%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[28]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Advisory Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.40%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[29]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Advisory Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.45%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[30]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Advisory Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.45%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[31]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Advisory Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.45%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[32]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Participant Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.70%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[33]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Participant Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.65%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[34]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Participant Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.45% which includes a waiver in which the Fund’s “Distributor,” Morgan Stanley Distribution, Inc., has agreed to waive 0.15% of the 0.25% 12b-1 fee and 0.10% of the 0.25% Shareholder Service Fee that it may receive. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[35]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Participant Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.70%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[36]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Participant Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.70%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[37]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s Cash Management Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.35%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[38]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s Cash Management Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.30%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[39]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s Cash Management Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.35%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[40]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s Cash Management Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.35%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[41]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s Cash Management Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.35%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[42]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Select Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.95%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[43]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Select Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 1.00%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[44]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Select Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 1.00%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[45]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s CastleOak Shares Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.20%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[46]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s CastleOak Shares Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.15%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[47]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Impact Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.20%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[48]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s  Impact Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.15%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[49]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s Impact Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.20%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[50]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s Impact Partner Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.20%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[51]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s Impact Partner Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.15%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[52]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s Impact Partner Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.20%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[53]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/ or reimburse the Fund’s Advisor Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.15%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[54]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s Advisor Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.20%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.
[55]
1 The Fund’s “Adviser” and “Administrator,” Morgan Stanley Investment Management Inc. (“MSIM”), has agreed to waive all or a portion of its advisory fee, its administration fee and/or reimburse the Fund’s Advisor Class so that Total Annual Fund Operating Expenses, excluding acquired fund fees and expenses (as applicable), certain investment related expenses, taxes, interest and other extraordinary expenses (including litigation), will not exceed 0.20%. The fee waivers and/or expense reimbursements will continue for at least one year from the date of this Prospectus or until such time as the Board of Trustees of Morgan Stanley Institutional Liquidity Funds (the “Trust”) acts to discontinue all or a portion of such waivers and/or reimbursements when it deems such action is appropriate.