Label

Element

Value

Risk/Return:

rr_RiskReturnAbstract

Registrant Name

dei_EntityRegistrantName

JPMORGAN TRUST II

Prospectus Date

rr_ProspectusDate

Jul. 01, 2018

Supplement to Prospectus [Text Block]

rr_SupplementToProspectusTextBlock

JPMORGAN TRUST II

(the “Trust”)

J.P. Morgan Money Market Funds

JPMorgan U.S. Treasury Plus Money Market Fund

(Investor Shares)

(the “Fund”)

Supplement dated December 3, 2018

to the Prospectus and Summary

Prospectus dated July 1, 2018, as supplemented

Effective January 1, 2019 (“Effective Date”), the fee rates payable by the Fund to J.P. Morgan Investment Management Inc. (“JPMIM” or the “Administrator”) for administration services will change. To reflect this new administration fee schedule, the following changes will be made to the Fund’s prospectus and summary prospectus:

Changes to Annual Fund Operating Expenses Table and Expense Example. The information in the sections “Annual Fund Operating Expenses” and “Example” in the Fund’s prospectus and summary prospectus with respect to the Fund’s Investor Shares will be replaced by the following on the Effective Date:

ANNUAL FUND OPERATING EXPENSES (Expenses that you pay each year as a percentage of the value of your investment)
	Investor
Management Fees		0.08	%
Other Expenses		0.42
Service Fees		0.35
Remainder of Other Expenses1		0.07
Total Annual Fund Operating Expenses		0.50

1 “Remainder of Other Expenses” are based on estimated amounts for the current fiscal year as a result of the change in the contractual fees charged for administration services.

Example

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Your actual costs may be higher or lower.

WHETHER OR NOT YOU SELL YOUR SHARES, YOUR COST WOULD BE:
	1 Year		3 Years		5 Years		10 Years
INVESTOR SHARES ($)		51		160		280		628

INVESTORS SHOULD RETAIN THIS SUPPLEMENT

WITH THE PROSPECTUS AND SUMMARY PROSPECTUS

FOR FUTURE REFERENCE

JPMorgan U.S. Treasury Plus Money Market Fund

Risk/Return:

rr_RiskReturnAbstract

Supplement to Prospectus [Text Block]

rr_SupplementToProspectusTextBlock

JPMORGAN TRUST II

(the “Trust”)

J.P. Morgan Money Market Funds

JPMorgan U.S. Treasury Plus Money Market Fund

(Investor Shares)

(the “Fund”)

Supplement dated December 3, 2018

to the Prospectus and Summary

Prospectus dated July 1, 2018, as supplemented

Effective January 1, 2019 (“Effective Date”), the fee rates payable by the Fund to J.P. Morgan Investment Management Inc. (“JPMIM” or the “Administrator”) for administration services will change. To reflect this new administration fee schedule, the following changes will be made to the Fund’s prospectus and summary prospectus:

Changes to Annual Fund Operating Expenses Table and Expense Example. The information in the sections “Annual Fund Operating Expenses” and “Example” in the Fund’s prospectus and summary prospectus with respect to the Fund’s Investor Shares will be replaced by the following on the Effective Date:

ANNUAL FUND OPERATING EXPENSES (Expenses that you pay each year as a percentage of the value of your investment)
	Investor
Management Fees		0.08	%
Other Expenses		0.42
Service Fees		0.35
Remainder of Other Expenses1		0.07
Total Annual Fund Operating Expenses		0.50

1 “Remainder of Other Expenses” are based on estimated amounts for the current fiscal year as a result of the change in the contractual fees charged for administration services.

Example

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Your actual costs may be higher or lower.

WHETHER OR NOT YOU SELL YOUR SHARES, YOUR COST WOULD BE:
	1 Year		3 Years		5 Years		10 Years
INVESTOR SHARES ($)		51		160		280		628

INVESTORS SHOULD RETAIN THIS SUPPLEMENT

WITH THE PROSPECTUS AND SUMMARY PROSPECTUS

FOR FUTURE REFERENCE

Operating Expenses Caption [Text]

rr_OperatingExpensesCaption

<b>ANNUAL FUND OPERATING EXPENSES<br/> (Expenses that you pay each year as a percentage of the value of your investment)</b>

Other Expenses, New Fund, Based on Estimates [Text]

rr_OtherExpensesNewFundBasedOnEstimates

“Remainder of Other Expenses” are based on estimated amounts for the current fiscal year as a result of the change in the contractual fees charged for administration services.

Expense Example [Heading]

rr_ExpenseExampleHeading

<b>Example </b>

Expense Example Narrative [Text Block]

rr_ExpenseExampleNarrativeTextBlock

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Your actual costs may be higher or lower.

Expense Example by, Year, Caption [Text]

rr_ExpenseExampleByYearCaption

<b>WHETHER OR NOT YOU SELL YOUR SHARES, YOUR COST WOULD BE:</b>

Expense Example, No Redemption, By Year, Caption [Text]

rr_ExpenseExampleNoRedemptionByYearCaption

<b>WHETHER OR NOT YOU SELL YOUR SHARES, YOUR COST WOULD BE:</b>

JPMorgan U.S. Treasury Plus Money Market Fund | Investor

Risk/Return:

rr_RiskReturnAbstract

Management Fees

rr_ManagementFeesOverAssets

0.08%

Service Fees

rr_Component1OtherExpensesOverAssets

0.35%

Remainder of Other Expenses

rr_Component2OtherExpensesOverAssets

0.07%

^[1]

Other Expenses

rr_OtherExpensesOverAssets

0.42%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

0.50%

1 Year

rr_ExpenseExampleYear01

$ 51

3 Years

rr_ExpenseExampleYear03

160

5 Years

rr_ExpenseExampleYear05

280

10 Years

rr_ExpenseExampleYear10

628

1 Year

rr_ExpenseExampleNoRedemptionYear01

51

3 Years

rr_ExpenseExampleNoRedemptionYear03

160

5 Years

rr_ExpenseExampleNoRedemptionYear05

280

10 Years

rr_ExpenseExampleNoRedemptionYear10

$ 628

[1] “Remainder of Other Expenses” are based on estimated amounts for the current fiscal year as a result of the change in the contractual fees charged for administration services.