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Risk/Return: rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName JPMorgan Trust I
Prospectus Date rr_ProspectusDate Mar. 01, 2015
A, C, Select Shares | JPMorgan China Region Fund  
Risk/Return: rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading JPMorgan China Region Fund

Class/Ticker: A/JCHAX; C/JCHCX; Select/JCHSX
Objective [Heading] rr_ObjectiveHeading What is the goal of the Fund?
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock The Fund will seek long-term capital growth.
Expense [Heading] rr_ExpenseHeading Fees and Expenses of the Fund
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock The following tables describe the fees and expenses that you may pay if you buy and hold shares of the Fund. You may qualify for sales charge discounts on purchases of Class A Shares if you and your family invest, or agree to invest in the future, at least $50,000 in the J.P. Morgan Funds. More information about these and other discounts is available from your financial intermediary and in “How to Do Business with the Funds — SALES CHARGES” on page 85 of the prospectus and in “PURCHASES, REDEMPTIONS AND EXCHANGES” in Appendix A to Part II of the Statement of Additional Information.
Shareholder Fees Caption [Text] rr_ShareholderFeesCaption SHAREHOLDER FEES (Fees paid directly from your investment)
Operating Expenses Caption [Text] rr_OperatingExpensesCaption ANNUAL FUND OPERATING EXPENSES
(Expenses that you pay each year as a percentage of the value
of your investment)
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination 2/29/16
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading Portfolio Turnover
Portfolio Turnover [Text Block] rr_PortfolioTurnoverTextBlock The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the Example, affect the Fund’s performance. During the Fund’s most recent fiscal year, the Fund’s portfolio turnover rate was 72% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 72.00%rr_PortfolioTurnoverRate
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Expense Breakpoint Discounts [Text] rr_ExpenseBreakpointDiscounts You may qualify for sales charge discounts on purchases of Class A Shares if you and your family invest, or agree to invest in the future, at least $50,000 in the J.P. Morgan Funds.
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount 50,000rr_ExpenseBreakpointMinimumInvestmentRequiredAmount
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Expense Example [Heading] rr_ExpenseExampleHeading Example
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 are equal to the total annual fund operating expenses after fee waivers and expense reimbursements shown in the table through 2/29/16 and total annual fund operating expenses thereafter. Your actual costs may be higher or lower.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption IF YOU SELL YOUR SHARES, YOUR COST WOULD BE:
Expense Example, No Redemption, By Year, Caption [Text] rr_ExpenseExampleNoRedemptionByYearCaption IF YOU DO NOT SELL YOUR SHARES, YOUR COST
WOULD BE:
Strategy [Heading] rr_StrategyHeading What are the Fund’s main investment strategies?
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock Under normal market conditions, the Fund will invest at least 80% of the value of its Assets in equity securities of companies in the China region or instruments that have similar economic characteristics. “Assets” means net assets, plus the amount of borrowings for investment purposes. A company in the China region is one: that is organized under the laws of, or has a principal office in the People’s Republic of China, including Hong Kong and Macau (China), or Taiwan; the principal securities market for which is China or Taiwan; that derives at least 50% of its total revenues or profits from goods that are produced or sold, investments made, or services performed in China or Taiwan; or at least 50% of the assets of which are located in China or Taiwan.

The equity securities in which the Fund may invest include, but are not limited to, common stock, preferred stock, convertible securities, trust or partnership interests, depositary receipts and warrants and rights.

The Fund may invest in securities denominated in U.S. dollars, other major reserve currencies, such as the euro, yen and pound sterling, and currencies of other countries in which it can invest. The Fund may from time to time hedge a portion of its foreign currency exposure into the U.S. dollar.

The Fund will invest in securities across all market capitalizations, although the Fund may invest a significant portion of its assets in companies of any one particular market capitalization category.

The Fund may utilize currency forwards to reduce currency deviations, where practical, for the purpose of risk management. The Fund may also use exchange-traded futures for the efficient management of cash flows.

Investment Process: The Fund is managed by the sub-adviser using an active investment management style which focuses on both an analysis of macro factors and bottom-up security selection. Given the sub-adviser’s belief that the direction of the economy and securities markets in the China region, particularly China and Hong Kong, are closely linked to macro factors such as government policies, global economic data, commodities prices and supply/demand dynamics, the sub-adviser’s investment approach involves in-depth discussions and thorough analysis on these macro factors. The output of these analyses and discussions will serve as the building blocks for its sector and security selection in individual countries.

In lieu of the limited public information available in the China region, the sub-adviser conducts internal research and analysis on both macro economic factors and security fundamentals, and relies less on third-party data. The sub-adviser’s decisions are made primarily through subjective analysis and insights the sub-adviser gathered through company meetings and communications conducted by the country specialists based in Shanghai, Hong Kong and Taipei. In addition, the sub-adviser has access to the financial skills and research capabilities of certain of the region’s established investment banks.

Security selection is also an important part of the subadviser’s investment process. In general, the sub-adviser covers approximately 75–80% of the investable universe of China region companies and updates stock views on a weekly basis. The security selection process is largely country specific, whereby individual country specialists have the responsibility to design and refine their security selection process to cope with the dynamic local factors and market conditions. Apart from analyzing the impact of macro factors such as government policies and global economic data on individual securities, there are also several common factors that the country specialists focus on, such as:
  • competitive dynamics
  • industry structures
  • cyclicality and evolution
  • growth
  • corporate governance
  • liquidity
In addition, country specialists particularly emphasize the following factors in security selection: sustainability of competitive advantage; high and/or expanding returns on equity; and earnings per share growth.

Country specialists are encouraged to visit a wide range of companies across a variety of sectors, and it is from these company visits that the sub-adviser seeks to make qualitative assessments of the relative growth prospects of the companies concerned and their strategies to create shareholder value. The sub-adviser analyzes industries in which companies operate, the competitive landscape as well as the management strategy to enhance competitive advantage and returns. As part of the investment process, the country specialists not only meet with some of the companies which fall within their core security coverage, but they also meet with some of their competitors, distributors, suppliers and other stakeholders in order to seek to obtain a complete analysis of the industry/company and other investment opportunities.

The Fund will sell securities if the sub-adviser believes the issuer of such securities no longer meets certain growth criteria, if certain political and economic events occur, or if it believes that more attractive opportunities are available.

The Fund is non-diversified.
Risk [Heading] rr_RiskHeading The Fund’s Main Investment Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock The Fund is subject to management risk and may not achieve its objective if the adviser’s expectations regarding particular securities or markets are not met.

An investment in this Fund or any other fund may not provide a complete investment program. The suitability of an investment in the Fund should be considered based on the investment objective, strategies and risks described in this prospectus, considered in light of all of the other investments in your portfolio, as well as your risk tolerance, financial goals and time horizons. You may want to consult with a financial advisor to determine if this Fund is suitable for you.


Equity Market Risk. The price of equity securities may rise or fall because of changes in the broad market or changes in a company’s financial condition, sometimes rapidly or unpredictably. These price movements may result from factors affecting individual companies, sectors or industries selected for the Fund’s portfolio or the securities market as a whole, such as changes in economic or political conditions. When the value of the Fund’s securities goes down, your investment in the Fund decreases in value.

General Market Risk. Economies and financial markets throughout the world are becoming increasingly interconnected, which increases the likelihood that events or conditions in one country or region will adversely impact markets or issuers in other countries or regions.

Foreign Securities and Emerging Market Risk. Investments in foreign issuers and foreign securities (including depositary receipts) are subject to additional risks, including political and economic risks, civil conflicts and war, greater volatility, expropriation and nationalization risks, sanctions or other measures by the United States or other governments, currency fluctuations, higher transaction costs, delayed settlement, possible foreign controls on investment, and less stringent investor protection and disclosure standards of foreign markets. In certain markets where securities and other instruments are not traded “delivery versus payment,” the Fund may not receive timely payment for securities or other instruments it has delivered or receive delivery of securities paid for and may be subject to increased risk that the counterparty will fail to make payments or delivery when due or default completely. Events and evolving conditions in certain economies or markets may alter the risks associated with investments tied to countries or regions that historically were perceived as comparatively stable becoming riskier and more volatile. These risks are magnified in “emerging markets.” Emerging market countries typically have less-established market economies than developed countries and may face greater social, economic, regulatory and political uncertainties.

China Region Risk. In additional to the risks listed under “Foreign Securities and Emerging Markets Risks” investments in China, Hong Kong and Taiwan are subject to legal, regulatory, monetary and economic risks. Investments involve political and legal uncertainties, currency fluctuations and currency controls, the risk of confiscatory taxation, and nationalization or expropriation of assets. The Chinese securities markets are emerging markets characterized by greater price volatility. China is dominated by the one-party rule of the Communist Party, and the Chinese government exercises significant control over China’s economic growth. Though Taiwan is not dominated by one-party rule and employs a free market economy, Taiwan’s political and economic relationship with China, particularly the continuing disagreement as to Taiwan’s sovereignty, could adversely impact investments in Taiwan.

At times, there may be a high correlation among the Chinese and Taiwanese markets. Accordingly, because the Fund may invest a significant portion of its assets in these markets, it is subject to greater risks of adverse events that occur in those markets and may experience greater volatility than a fund that is more broadly diversified geographically.

Smaller Cap Company Risk. Investments in securities of smaller companies may be riskier and more volatile and vulnerable to economic, market and industry changes than securities of larger, more established companies. As a result, share price changes may be more sudden or erratic than the prices of other equity securities, especially over the short term.

Derivatives Risk. Derivatives, including forward currency contracts and futures, may be riskier than other types of investments because they may be more sensitive to changes in economic or market conditions than other types of investments and could result in losses that significantly exceed the Fund’s original investment. Many derivatives create leverage thereby causing the Fund to be more volatile than it would be if it had not used derivatives. Derivatives also expose the Fund to counterparty risk (the risk that the derivative counterparty will not fulfill its contractual obligations), including credit risk of the derivative counterparty. Certain derivatives are synthetic instruments that attempt to replicate the performance of certain reference assets. With regard to such derivatives, the Fund does not have a claim on the reference assets and is subject to enhanced counterparty risk.

Currency Risk. Changes in foreign currency exchange rates will affect the value of the Fund’s securities and the price of the Fund’s shares. Generally, when the value of the U.S. dollar rises in value relative to a foreign currency, an investment in that country loses value because that currency is worth fewer U.S. dollars. Devaluation of a currency by a country’s government or banking authority also will have a significant impact on the value of any investments denominated in that currency. Currency markets generally are not as regulated as securities markets.

Non-Diversified Fund Risk. Since the Fund is nondiversified, it may invest a greater percentage of its assets in a particular issuer or group of issuers than a diversified fund would. This increased concentration in fewer issuers may result in the Fund’s shares being more sensitive to economic results of those issuing the securities.

Redemption Risk. The Fund could experience a loss when selling securities to meet redemption requests by shareholders. The risk of loss increases if the redemption requests are unusually large or frequent or occur in times of overall market turmoil or declining prices.

Investments in the Fund are not deposits or obligations of, or guaranteed or endorsed by, any bank and are not insured or guaranteed by the FDIC, the Federal Reserve Board or any other government agency.

You could lose money investing in the Fund.

Risk Lose Money [Text] rr_RiskLoseMoney You could lose money investing in the Fund.
Risk Nondiversified Status [Text] rr_RiskNondiversifiedStatus Non-Diversified Fund Risk. Since the Fund is nondiversified, it may invest a greater percentage of its assets in a particular issuer or group of issuers than a diversified fund would. This increased concentration in fewer issuers may result in the Fund’s shares being more sensitive to economic results of those issuing the securities.
Risk Not Insured Depository Institution [Text] rr_RiskNotInsuredDepositoryInstitution Investments in the Fund are not deposits or obligations of, or guaranteed or endorsed by, any bank and are not insured or guaranteed by the FDIC, the Federal Reserve Board or any other government agency.
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading The Fund’s Past Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock This section provides some indication of the risks of investing in the Fund. The bar chart shows how the performance of the Fund’s Class A Shares has varied from year to year for the past seven calendar years. The table shows the average annual total returns over the past one year, five years and the life of the Fund. The table compares that performance to the Morgan Stanley Capital International (MSCI) Golden Dragon Index (net of foreign withholding taxes) and the Lipper China Region Funds Index, an index based on the total returns of certain mutual funds within the Fund’s designated category as determined by Lipper. Unlike the other index, the Lipper index includes the expenses of the mutual funds included in the index. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. Updated performance information is available by visiting www.jpmorganfunds.com or by calling 1-800-480-4111. The performance figures in the bar chart do not reflect any deduction for the front-end sales charge, which is assessed on Class A Shares. If the sales charge were reflected, the performance figures would have been lower.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The bar chart shows how the performance of the Fund’s Class A Shares has varied from year to year for the past seven calendar years. The table shows the average annual total returns over the past one year, five years and the life of the Fund.
Performance Additional Market Index [Text] rr_PerformanceAdditionalMarketIndex The table compares that performance to the Morgan Stanley Capital International (MSCI) Golden Dragon Index (net of foreign withholding taxes) and the Lipper China Region Funds Index, an index based on the total returns of certain mutual funds within the Fund’s designated category as determined by Lipper. Unlike the other index, the Lipper index includes the expenses of the mutual funds included in the index.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 1-800-480-4111
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.jpmorganfunds.com
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Bar Chart [Heading] rr_BarChartHeading YEAR-BY-YEAR RETURNS
Bar Chart Does Not Reflect Sales Loads [Text] rr_BarChartDoesNotReflectSalesLoads The performance figures in the bar chart do not reflect any deduction for the front-end sales charge, which is assessed on Class A Shares. If the sales charge were reflected, the performance figures would have been lower.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Best Quarter 2nd quarter, 2009     31.03%   
Worst Quarter 3rd quarter, 2011   –27.67%
Performance Table Heading rr_PerformanceTableHeading AVERAGE ANNUAL TOTAL RETURNS
(For periods ended December 31, 2014)
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred Actual after-tax returns depend on the investor’s tax situation and may differ from those shown, and the after-tax returns shown are not relevant to investors who hold their shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.
Performance Table One Class of after Tax Shown [Text] rr_PerformanceTableOneClassOfAfterTaxShown After-tax returns are shown only for the Class A Shares, and after-tax returns for these other classes will vary.
Performance Table Narrative rr_PerformanceTableNarrativeTextBlock After-tax returns are shown only for the Class A Shares, and after-tax returns for these other classes will vary. After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on the investor’s tax situation and may differ from those shown, and the after-tax returns shown are not relevant to investors who hold their shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.
A, C, Select Shares | JPMorgan China Region Fund | Class A  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) Imposed on Purchases as % of the Offering Price rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 5.25%rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice
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Maximum Deferred Sales Charge (Load) as % of Original Cost of the Shares rr_MaximumDeferredSalesChargeOverOther none [1]
Management Fees rr_ManagementFeesOverAssets 1.25%rr_ManagementFeesOverAssets
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Distribution (Rule 12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%rr_DistributionAndService12b1FeesOverAssets
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Shareholder Service Fees rr_Component1OtherExpensesOverAssets 0.25%rr_Component1OtherExpensesOverAssets
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Remainder of Other Expenses rr_Component2OtherExpensesOverAssets 0.41%rr_Component2OtherExpensesOverAssets
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Other Expenses rr_OtherExpensesOverAssets 0.66%rr_OtherExpensesOverAssets
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Total Annual Fund Operating Expenses rr_ExpensesOverAssets 2.16%rr_ExpensesOverAssets
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Fee Waivers and Expense Reimbursements rr_FeeWaiverOrReimbursementOverAssets (0.31%)rr_FeeWaiverOrReimbursementOverAssets
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Total Annual Fund Operating Expenses After Fee Waivers and Expense Reimbursements rr_NetExpensesOverAssets 1.85%rr_NetExpensesOverAssets
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Expenses Restated to Reflect Current [Text] rr_ExpensesRestatedToReflectCurrent "Remainder of Other Expenses" have been calculated based on the actual other expenses incurred in the most recent fiscal year, except that these expenses have been adjusted to reflect a reallocation of sub-transfer agency expenses among the classes as if they had been in effect during the most recent fiscal year.
1 Year rr_ExpenseExampleYear01 703rr_ExpenseExampleYear01
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3 Years rr_ExpenseExampleYear03 1,137rr_ExpenseExampleYear03
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5 Years rr_ExpenseExampleYear05 1,597rr_ExpenseExampleYear05
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10 Years rr_ExpenseExampleYear10 2,864rr_ExpenseExampleYear10
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1 Year rr_ExpenseExampleNoRedemptionYear01 703rr_ExpenseExampleNoRedemptionYear01
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3 Years rr_ExpenseExampleNoRedemptionYear03 1,137rr_ExpenseExampleNoRedemptionYear03
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5 Years rr_ExpenseExampleNoRedemptionYear05 1,597rr_ExpenseExampleNoRedemptionYear05
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10 Years rr_ExpenseExampleNoRedemptionYear10 2,864rr_ExpenseExampleNoRedemptionYear10
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2008 rr_AnnualReturn2008 (50.68%)rr_AnnualReturn2008
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2009 rr_AnnualReturn2009 62.74%rr_AnnualReturn2009
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2010 rr_AnnualReturn2010 15.62%rr_AnnualReturn2010
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2011 rr_AnnualReturn2011 (24.78%)rr_AnnualReturn2011
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2012 rr_AnnualReturn2012 25.48%rr_AnnualReturn2012
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2013 rr_AnnualReturn2013 10.97%rr_AnnualReturn2013
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2014 rr_AnnualReturn2014 4.96%rr_AnnualReturn2014
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Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Best Quarter
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Jun. 30, 2009
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 31.03%rr_BarChartHighestQuarterlyReturn
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Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Worst Quarter
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Sep. 30, 2011
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (27.67%)rr_BarChartLowestQuarterlyReturn
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Past 1 Year rr_AverageAnnualReturnYear01 (0.54%)rr_AverageAnnualReturnYear01
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Past 5 Years rr_AverageAnnualReturnYear05 3.79%rr_AverageAnnualReturnYear05
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Life of Fund rr_AverageAnnualReturnSinceInception 4.76%rr_AverageAnnualReturnSinceInception
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Inception Date rr_AverageAnnualReturnInceptionDate Feb. 28, 2007
A, C, Select Shares | JPMorgan China Region Fund | Class C  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) Imposed on Purchases as % of the Offering Price rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (Load) as % of Original Cost of the Shares rr_MaximumDeferredSalesChargeOverOther 1.00%rr_MaximumDeferredSalesChargeOverOther
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Management Fees rr_ManagementFeesOverAssets 1.25%rr_ManagementFeesOverAssets
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Distribution (Rule 12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.75%rr_DistributionAndService12b1FeesOverAssets
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Shareholder Service Fees rr_Component1OtherExpensesOverAssets 0.25%rr_Component1OtherExpensesOverAssets
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/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042843Member
Remainder of Other Expenses rr_Component2OtherExpensesOverAssets 0.33%rr_Component2OtherExpensesOverAssets
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042843Member
[2]
Other Expenses rr_OtherExpensesOverAssets 0.58%rr_OtherExpensesOverAssets
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042843Member
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 2.58%rr_ExpensesOverAssets
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042843Member
Fee Waivers and Expense Reimbursements rr_FeeWaiverOrReimbursementOverAssets (0.23%)rr_FeeWaiverOrReimbursementOverAssets
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042843Member
[3]
Total Annual Fund Operating Expenses After Fee Waivers and Expense Reimbursements rr_NetExpensesOverAssets 2.35%rr_NetExpensesOverAssets
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
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[3]
Expenses Restated to Reflect Current [Text] rr_ExpensesRestatedToReflectCurrent "Remainder of Other Expenses" have been calculated based on the actual other expenses incurred in the most recent fiscal year, except that these expenses have been adjusted to reflect a reallocation of sub-transfer agency expenses among the classes as if they had been in effect during the most recent fiscal year.
1 Year rr_ExpenseExampleYear01 338rr_ExpenseExampleYear01
/ dei_DocumentInformationDocumentAxis
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/ dei_LegalEntityAxis
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/ rr_ProspectusShareClassAxis
= jpmt2_C000042843Member
3 Years rr_ExpenseExampleYear03 781rr_ExpenseExampleYear03
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042843Member
5 Years rr_ExpenseExampleYear05 1,350rr_ExpenseExampleYear05
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042843Member
10 Years rr_ExpenseExampleYear10 2,898rr_ExpenseExampleYear10
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042843Member
1 Year rr_ExpenseExampleNoRedemptionYear01 238rr_ExpenseExampleNoRedemptionYear01
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042843Member
3 Years rr_ExpenseExampleNoRedemptionYear03 781rr_ExpenseExampleNoRedemptionYear03
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042843Member
5 Years rr_ExpenseExampleNoRedemptionYear05 1,350rr_ExpenseExampleNoRedemptionYear05
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042843Member
10 Years rr_ExpenseExampleNoRedemptionYear10 2,898rr_ExpenseExampleNoRedemptionYear10
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042843Member
Past 1 Year rr_AverageAnnualReturnYear01 3.42%rr_AverageAnnualReturnYear01
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042843Member
Past 5 Years rr_AverageAnnualReturnYear05 4.39%rr_AverageAnnualReturnYear05
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042843Member
Life of Fund rr_AverageAnnualReturnSinceInception 4.95%rr_AverageAnnualReturnSinceInception
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042843Member
Inception Date rr_AverageAnnualReturnInceptionDate Feb. 28, 2007
A, C, Select Shares | JPMorgan China Region Fund | Select Class  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) Imposed on Purchases as % of the Offering Price rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (Load) as % of Original Cost of the Shares rr_MaximumDeferredSalesChargeOverOther none
Management Fees rr_ManagementFeesOverAssets 1.25%rr_ManagementFeesOverAssets
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042844Member
Distribution (Rule 12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Shareholder Service Fees rr_Component1OtherExpensesOverAssets 0.25%rr_Component1OtherExpensesOverAssets
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042844Member
Remainder of Other Expenses rr_Component2OtherExpensesOverAssets 0.26%rr_Component2OtherExpensesOverAssets
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042844Member
Other Expenses rr_OtherExpensesOverAssets 0.51%rr_OtherExpensesOverAssets
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042844Member
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.76%rr_ExpensesOverAssets
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042844Member
Fee Waivers and Expense Reimbursements rr_FeeWaiverOrReimbursementOverAssets (0.16%)rr_FeeWaiverOrReimbursementOverAssets
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042844Member
[3]
Total Annual Fund Operating Expenses After Fee Waivers and Expense Reimbursements rr_NetExpensesOverAssets 1.60%rr_NetExpensesOverAssets
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042844Member
[3]
1 Year rr_ExpenseExampleYear01 163rr_ExpenseExampleYear01
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042844Member
3 Years rr_ExpenseExampleYear03 539rr_ExpenseExampleYear03
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042844Member
5 Years rr_ExpenseExampleYear05 939rr_ExpenseExampleYear05
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042844Member
10 Years rr_ExpenseExampleYear10 2,060rr_ExpenseExampleYear10
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042844Member
1 Year rr_ExpenseExampleNoRedemptionYear01 163rr_ExpenseExampleNoRedemptionYear01
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042844Member
3 Years rr_ExpenseExampleNoRedemptionYear03 539rr_ExpenseExampleNoRedemptionYear03
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042844Member
5 Years rr_ExpenseExampleNoRedemptionYear05 939rr_ExpenseExampleNoRedemptionYear05
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042844Member
10 Years rr_ExpenseExampleNoRedemptionYear10 2,060rr_ExpenseExampleNoRedemptionYear10
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042844Member
Past 1 Year rr_AverageAnnualReturnYear01 5.21%rr_AverageAnnualReturnYear01
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042844Member
Past 5 Years rr_AverageAnnualReturnYear05 5.18%rr_AverageAnnualReturnYear05
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042844Member
Life of Fund rr_AverageAnnualReturnSinceInception 5.74%rr_AverageAnnualReturnSinceInception
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_ProspectusShareClassAxis
= jpmt2_C000042844Member
Inception Date rr_AverageAnnualReturnInceptionDate Feb. 28, 2007
A, C, Select Shares | JPMorgan China Region Fund | Return After Taxes on Distributions | Class A  
Risk/Return: rr_RiskReturnAbstract  
Past 1 Year rr_AverageAnnualReturnYear01 (0.74%)rr_AverageAnnualReturnYear01
/ dei_DocumentInformationDocumentAxis
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/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_PerformanceMeasureAxis
= rr_AfterTaxesOnDistributionsMember
/ rr_ProspectusShareClassAxis
= jpmt2_C000042842Member
Past 5 Years rr_AverageAnnualReturnYear05 3.83%rr_AverageAnnualReturnYear05
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_PerformanceMeasureAxis
= rr_AfterTaxesOnDistributionsMember
/ rr_ProspectusShareClassAxis
= jpmt2_C000042842Member
Life of Fund rr_AverageAnnualReturnSinceInception 4.82%rr_AverageAnnualReturnSinceInception
/ dei_DocumentInformationDocumentAxis
= jpmt2_ACSelectSharesMember
/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_PerformanceMeasureAxis
= rr_AfterTaxesOnDistributionsMember
/ rr_ProspectusShareClassAxis
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Inception Date rr_AverageAnnualReturnInceptionDate Feb. 28, 2007
A, C, Select Shares | JPMorgan China Region Fund | Return After Taxes on Distributions and Sale of Fund Shares | Class A  
Risk/Return: rr_RiskReturnAbstract  
Past 1 Year rr_AverageAnnualReturnYear01 0.19%rr_AverageAnnualReturnYear01
/ dei_DocumentInformationDocumentAxis
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/ rr_PerformanceMeasureAxis
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/ rr_ProspectusShareClassAxis
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Past 5 Years rr_AverageAnnualReturnYear05 3.11%rr_AverageAnnualReturnYear05
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= jpmt2_S000015690Member
/ rr_PerformanceMeasureAxis
= rr_AfterTaxesOnDistributionsAndSalesMember
/ rr_ProspectusShareClassAxis
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Life of Fund rr_AverageAnnualReturnSinceInception 3.93%rr_AverageAnnualReturnSinceInception
/ dei_DocumentInformationDocumentAxis
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= jpmt2_S000015690Member
/ rr_PerformanceMeasureAxis
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/ rr_ProspectusShareClassAxis
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Inception Date rr_AverageAnnualReturnInceptionDate Feb. 28, 2007
A, C, Select Shares | JPMorgan China Region Fund | MSCI GOLDEN DRAGON INDEX (Net of Foreign Withholding Taxes) (Reflects No Deduction for Fees, Expenses or Taxes, Except Foreign Withholding Taxes)  
Risk/Return: rr_RiskReturnAbstract  
Past 1 Year rr_AverageAnnualReturnYear01 7.72%rr_AverageAnnualReturnYear01
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/ rr_PerformanceMeasureAxis
= jpmt2_MsciGoldenDragonIndexMember
Past 5 Years rr_AverageAnnualReturnYear05 5.32%rr_AverageAnnualReturnYear05
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/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_PerformanceMeasureAxis
= jpmt2_MsciGoldenDragonIndexMember
Life of Fund rr_AverageAnnualReturnSinceInception 5.69%rr_AverageAnnualReturnSinceInception
/ dei_DocumentInformationDocumentAxis
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/ dei_LegalEntityAxis
= jpmt2_S000015690Member
/ rr_PerformanceMeasureAxis
= jpmt2_MsciGoldenDragonIndexMember
A, C, Select Shares | JPMorgan China Region Fund | LIPPER CHINA REGION FUNDS INDEX (Reflects No Deduction for Taxes)  
Risk/Return: rr_RiskReturnAbstract  
Past 1 Year rr_AverageAnnualReturnYear01 (1.39%)rr_AverageAnnualReturnYear01
/ dei_DocumentInformationDocumentAxis
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/ dei_LegalEntityAxis
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/ rr_PerformanceMeasureAxis
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Past 5 Years rr_AverageAnnualReturnYear05 2.81%rr_AverageAnnualReturnYear05
/ dei_DocumentInformationDocumentAxis
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/ dei_LegalEntityAxis
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/ rr_PerformanceMeasureAxis
= jpmt2_LipperChinaRegionFundsIndexMember
Life of Fund rr_AverageAnnualReturnSinceInception 5.90%rr_AverageAnnualReturnSinceInception
/ dei_DocumentInformationDocumentAxis
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/ dei_LegalEntityAxis
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[1] (under $1 million)
[2] "Remainder of Other Expenses" have been calculated based on the actual other expenses incurred in the most recent fiscal year, except that these expenses have been adjusted to reflect a reallocation of sub-transfer agency expenses among the classes as if they had been in effect during the most recent fiscal year.
[3] The Fund's adviser, administrator and distributor (the Service Providers) have contractually agreed to waive fees and/or reimburse expenses to the extent Total Annual Fund Operating Expenses of Class A, Class C and Select Class Shares (excluding acquired fund fees and expenses, dividend expenses relating to short sales, interest, taxes, expenses related to litigation and potential litigation, extraordinary expenses and expenses related to the Board of Trustees' deferred compensation plan) exceed 1.85%, 2.35% and 1.60%, respectively, of their average daily net assets. This contract cannot be terminated prior to 3/1/16, at which time the Service Providers will determine whether or not to renew or revise it.