This semi-annual shareholder report contains important information about E*TRADE Trust - E*TRADE No Fee International Index Fund for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.morganstanley.com/im/etradenofeeindexfunds. You can also request this information by contacting us at 1-800-869-6397.

Additional Information Phone Number

1-800-869-6397

Additional Information Website

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Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Fund Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
E*TRADE No Fee International Index Fund	$0	0.00%^{Footnote Reference1}

Footnote	Description
Footnote¹	The Fund's Adviser, Morgan Stanley Investment Management Inc., will pay all expenses of the Fund, except for litigation expenses and other extraordinary expenses not incurred in the ordinary course of the Fund's business.

Expenses Paid, Amount

$ 0

Expense Ratio, Percent

0.00%

^[1]

AssetsNet

$ 57,205,625

Holdings Count | Holding

978

InvestmentCompanyPortfolioTurnover

4.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets	$57,205,625
# of Portfolio Holdings	978
Portfolio Turnover Rate	4%

Holdings [Text Block]

Country Allocation (% of total investments)

Table Summary
Value	Value
Other	14.7%
Sweden	3.0%
Spain	3.1%
Netherlands	4.2%
Australia	6.4%
Switzerland	7.2%
Germany	7.3%
France	7.7%
Canada	12.0%
United Kingdom	12.5%
Japan	21.9%

Largest Holdings [Text Block]

Top Ten Holdings (% of total investments)^{Footnote Referencea}

Table Summary
ASML Holding NV	2.2%
HSBC Holdings PLC	1.3%
Roche Holding AG	1.2%
AstraZeneca PLC	1.1%
Novartis AG	1.1%
Nestle SA	1.1%
Shell PLC	1.0%
Royal Bank of Canada	1.0%
Siemens AG	0.9%
Commonwealth Bank of Australia	0.8%
Total	11.7%

Footnote	Description
Footnote^a	Excluding cash equivalents.

Updated Prospectus Web Address

C000258016

Shareholder Report [Line Items]

Fund Name

E*TRADE Trust – E*TRADE No Fee Large Cap Index Fund

Trading Symbol

ETLGX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about E*TRADE Trust - E*TRADE No Fee Large Cap Index Fund for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.morganstanley.com/im/etradenofeeindexfunds. You can also request this information by contacting us at 1-800-869-6397.

Additional Information Phone Number

1-800-869-6397

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Fund Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
E*TRADE No Fee Large Cap Index Fund	$0	0.00%^{Footnote Reference1}

Footnote	Description
Footnote¹	The Fund's Adviser, Morgan Stanley Investment Management Inc., will pay all expenses of the Fund, except for litigation expenses and other extraordinary expenses not incurred in the ordinary course of the Fund's business.

Expenses Paid, Amount

$ 0

Expense Ratio, Percent

0.00%

^[2]

AssetsNet

$ 112,591,670

Holdings Count | Holding

506

InvestmentCompanyPortfolioTurnover

4.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets	$112,591,670
# of Portfolio Holdings	506
Portfolio Turnover Rate	4%

Holdings [Text Block]

Sector Allocation (% of total investments)

Table Summary
Value	Value
Short-Term Investments	0.7%
Real Estate	1.8%
Materials	1.9%
Utilities	2.3%
Energy	3.6%
Consumer Staples	4.7%
Health Care	8.5%
Industrials	8.8%
Consumer Discretionary	10.0%
Communication Services	11.4%
Financials	11.7%
Information Technology	34.6%

Largest Holdings [Text Block]

Top Ten Holdings (% of total investments)^{Footnote Referencea}

Table Summary
NVIDIA Corp.	7.5%
Alphabet, Inc.	6.7%
Apple, Inc.	6.2%
Microsoft Corp.	4.8%
Amazon.com, Inc.	4.0%
Broadcom, Inc.	3.1%
Meta Platforms, Inc.	2.1%
Tesla, Inc.	1.8%
JPMorgan Chase & Co.	1.4%
Eli Lilly & Co.	1.3%
Total	38.9%

Footnote	Description
Footnote^a	Excluding cash equivalents.

Updated Prospectus Web Address

C000258017

Shareholder Report [Line Items]

Fund Name

E*TRADE Trust – E*TRADE No Fee Municipal Bond Index Fund

Trading Symbol

ETMUX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about E*TRADE Trust - E*TRADE No Fee Municipal Bond Index Fund for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.morganstanley.com/im/etradenofeeindexfunds. You can also request this information by contacting us at 1-800-869-6397.

Additional Information Phone Number

1-800-869-6397

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Fund Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
E*TRADE No Fee Municipal Bond Index Fund	$0	0.00%^{Footnote Reference1}

Footnote	Description
Footnote¹	The Fund's Adviser, Morgan Stanley Investment Management Inc., will pay all expenses of the Fund, except for litigation expenses and other extraordinary expenses not incurred in the ordinary course of the Fund's business.

Expenses Paid, Amount

$ 0

Expense Ratio, Percent

0.00%

^[3]

AssetsNet

$ 30,453,577

Holdings Count | Holding

132

InvestmentCompanyPortfolioTurnover

4.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets	$30,453,577
# of Portfolio Holdings	132
Portfolio Turnover Rate	4%

Holdings [Text Block]

Sector Allocation (% of total investments)

Table Summary
Value	Value
Other^{Footnote Reference1}	7.4%
Transportation	5.3%
Hospital	5.7%
Water and Sewer	6.3%
Education	8.2%
Special Tax Revenue	11.2%
Lease Revenue/Certificates of Participation	12.5%
General Obligations	43.4%

Footnote	Description
Footnote¹	Sectors representing less than 5% of total investments.

Largest Holdings [Text Block]

Top Ten Holdings (% of total investments)^{Footnote Referencea}

Table Summary
New York City	3.8%
Somerset Area School District	2.9%
Health & Educational Facilities Authority of the State of Missouri	2.7%
El Paso County School District No. 49 Falcon	2.6%
New York City Transitional Finance Authority Future Tax Secured Revenue	2.2%
New York State Dormitory Authority	2.1%
Illinois Finance Authority	2.0%
Dallas Independent School District	1.9%
School District of Broward County	1.8%
Massachusetts Housing Finance Agency	1.8%
Total	23.8%

Footnote	Description
Footnote^a	Excluding cash equivalents.

Updated Prospectus Web Address

C000258018

Shareholder Report [Line Items]

Fund Name

E*TRADE Trust – E*TRADE No Fee Total Market Index Fund

Trading Symbol

ETTOX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about E*TRADE Trust - E*TRADE No Fee Total Market Index Fund for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.morganstanley.com/im/etradenofeeindexfunds. You can also request this information by contacting us at 1-800-869-6397.

Additional Information Phone Number

1-800-869-6397

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Fund Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
E*TRADE No Fee Total Market Index Fund	$0	0.00%^{Footnote Reference1}

Footnote	Description
Footnote¹	The Fund's Adviser, Morgan Stanley Investment Management Inc., will pay all expenses of the Fund, except for litigation expenses and other extraordinary expenses not incurred in the ordinary course of the Fund's business.

Expenses Paid, Amount

$ 0

Expense Ratio, Percent

0.00%

^[4]

AssetsNet

$ 84,519,595

Holdings Count | Holding

2,107

InvestmentCompanyPortfolioTurnover

3.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets	$84,519,595
# of Portfolio Holdings	2,107
Portfolio Turnover Rate	3%

Holdings [Text Block]

Sector Allocation (% of total investments)

Table Summary
Value	Value
Short-Term Investments	0.8%
Materials	2.2%
Real Estate	2.3%
Utilities	2.3%
Energy	3.7%
Consumer Staples	4.7%
Health Care	9.1%
Consumer Discretionary	10.1%
Industrials	10.1%
Communication Services	10.5%
Financials	11.9%
Information Technology	32.3%

Largest Holdings [Text Block]

Top Ten Holdings (% of total investments)^{Footnote Referencea}

Table Summary
NVIDIA Corp.	6.7%
Alphabet, Inc.	6.0%
Apple, Inc.	5.6%
Microsoft Corp.	4.3%
Amazon.com, Inc.	3.7%
Broadcom, Inc.	2.8%
Meta Platforms, Inc.	1.9%
Tesla, Inc.	1.8%
JPMorgan Chase & Co.	1.2%
Eli Lilly & Co.	1.2%
Total	35.2%

Footnote	Description
Footnote^a	Excluding cash equivalents.

Updated Prospectus Web Address

C000258019

Shareholder Report [Line Items]

Fund Name

E*TRADE Trust – E*TRADE No Fee U.S. Bond Index Fund

Trading Symbol

ETBOX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about E*TRADE Trust - E*TRADE No Fee U.S. Bond Index Fund for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.morganstanley.com/im/etradenofeeindexfunds. You can also request this information by contacting us at 1-800-869-6397.

Additional Information Phone Number

1-800-869-6397

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Fund Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
E*TRADE No Fee U.S. Bond Index Fund	$0	0.00%^{Footnote Reference1}

Footnote	Description
Footnote¹	The Fund's Adviser, Morgan Stanley Investment Management Inc., will pay all expenses of the Fund, except for litigation expenses and other extraordinary expenses not incurred in the ordinary course of the Fund's business.

Expenses Paid, Amount

$ 0

Expense Ratio, Percent

0.00%

^[5]

AssetsNet

$ 33,975,880

Holdings Count | Holding

101

InvestmentCompanyPortfolioTurnover

31.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets	$33,975,880
# of Portfolio Holdings	101
Portfolio Turnover Rate	31%

Holdings [Text Block]

Asset Allocation (% of total investments)

Table Summary
Value	Value
Short-Term Investments	0.1%
U.S. Agency Securities	1.8%
Corporate Bonds	30.7%
U.S. Treasury Securities	67.4%

Largest Holdings [Text Block]

Top Ten Holdings (% of total investments)^{Footnote Referencea}

Table Summary
U.S. Treasury Securities	67.4%
Federal National Mortgage Association	1.3%
Citizens Financial Group, Inc.	1.2%
Citigroup, Inc.	1.1%
Stryker Corp.	1.0%
LYB International Finance III LLC	1.0%
Fidelity National Information Services, Inc.	1.0%
American Electric Power Co., Inc.	0.8%
Bank of Nova Scotia	0.7%
Prologis LP	0.7%
Total	76.2%

Footnote	Description
Footnote^a	Excluding cash equivalents.

Updated Prospectus Web Address

[1]	The Fund's Adviser, Morgan Stanley Investment Management Inc., will pay all expenses of the Fund, except for litigation expenses and other extraordinary expenses not incurred in the ordinary course of the Fund's business.
[2]	The Fund's Adviser, Morgan Stanley Investment Management Inc., will pay all expenses of the Fund, except for litigation expenses and other extraordinary expenses not incurred in the ordinary course of the Fund's business.
[3]	The Fund's Adviser, Morgan Stanley Investment Management Inc., will pay all expenses of the Fund, except for litigation expenses and other extraordinary expenses not incurred in the ordinary course of the Fund's business.
[4]	The Fund's Adviser, Morgan Stanley Investment Management Inc., will pay all expenses of the Fund, except for litigation expenses and other extraordinary expenses not incurred in the ordinary course of the Fund's business.
[5]	The Fund's Adviser, Morgan Stanley Investment Management Inc., will pay all expenses of the Fund, except for litigation expenses and other extraordinary expenses not incurred in the ordinary course of the Fund's business.

What were the Fund costs for the last six months?

Key Fund Statistics

Country Allocation (% of total investments)

Top Ten Holdings (% of total investments)Footnote Referencea

What were the Fund costs for the last six months?

Key Fund Statistics

Sector Allocation (% of total investments)

Top Ten Holdings (% of total investments)Footnote Referencea

What were the Fund costs for the last six months?

Key Fund Statistics

Sector Allocation (% of total investments)

Top Ten Holdings (% of total investments)Footnote Referencea

What were the Fund costs for the last six months?

Key Fund Statistics

Sector Allocation (% of total investments)

Top Ten Holdings (% of total investments)Footnote Referencea

What were the Fund costs for the last six months?

Key Fund Statistics

Asset Allocation (% of total investments)

Top Ten Holdings (% of total investments)Footnote Referencea

Top Ten Holdings (% of total investments)^{Footnote Referencea}

Top Ten Holdings (% of total investments)^{Footnote Referencea}

Top Ten Holdings (% of total investments)^{Footnote Referencea}

Top Ten Holdings (% of total investments)^{Footnote Referencea}

Top Ten Holdings (% of total investments)^{Footnote Referencea}