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Risk/Return: rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName JPMorgan Trust I
Prospectus Date rr_ProspectusDate Jul. 01, 2012
A, C, Select Shares | JPMorgan Tax Aware Income Opportunities Fund
  
Risk/Return: rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading JPMorgan Tax Aware Income Opportunities Fund

Class/Ticker: A/JTAAX; C/JTACX; Select/JTASX
Objective [Heading] rr_ObjectiveHeading What is the goal of the Fund?
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock The Fund seeks to provide total return.
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 $100,000 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 26 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 6/30/13
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 293% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 293.00%
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 $100,000 in the J.P. Morgan Funds.
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount 100,000
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 6/30/13 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 The Fund has an absolute return orientation and is not managed relative to an index. The Fund attempts to achieve a positive total return over long-term market cycles by primarily investing in a portfolio of municipal securities, the income of which is exempt from federal income tax, and derivatives. The Fund utilizes derivative strategies to manage the impact of movements in interest rates and credit spreads and to adjust exposure to individual securities. “Tax Aware Income” in the Fund’s name refers to the Fund’s strategy of investing in municipal securities and balancing investment considerations with tax considerations.

Under normal circumstances, the Fund will invest at least 80% of its Assets in municipal securities. “Assets” means net assets plus the amount of borrowings for investment purposes. Municipal securities are debt securities of any maturity issued by states, territories and possessions of the United States, including the District of Columbia, and their respective authorities, political subdivisions, agencies and instrumentalities, the interest on which is exempt from federal income tax. The securities are issued to raise funds for various public and private purposes. Municipal securities include private activity and industrial development bonds, tax anticipation notes and participations in pools of municipal securities.

In addition to investing in municipal securities as part of its tax aware strategies, the Fund uses other tax efficient strategies including investing in taxable securities where after-tax return is favorable; attempting to minimize realized short-term capital gain; and employing a long-term approach to investing. Although the Fund is managed using a tax aware strategy, up to 100% of the Fund’s assets may be invested in municipal securities, the interest on which may be subject to the federal alternative minimum tax for individuals. In addition, the Fund’s use of derivatives alone or in combination with municipal securities may generate short-term capital gain.

As part of its derivatives strategies, the Fund may use “relative value” strategies. “Relative value” strategies seek to exploit pricing discrepancies between individual securities or market sectors. The Fund’s relative value strategies use combinations of securities and investments and include: (1) municipal security trades such as purchasing a credit default swap related to a municipal security or an index of municipal securities and selling a credit default swap on a similar municipal security or index of municipal securities, (2) long/short strategies such as selling a bond with one maturity and buying a bond with a different maturity to take advantage of the yield/return between the maturity dates, and (3) other combinations of fixed income securities and derivatives. Derivatives, which are instruments that have a value based on another instrument, exchange rate or index, may be used as substitutes for securities in which the Fund can invest. The Fund may use futures contracts, options (including options on interest rate futures contracts and interest rate swaps), swaps and credit default swaps individually or as part of its relative value strategy to manage duration, sector and yield curve exposure and credit and spread volatility. The Fund may also use these instruments to increase gain to the Fund or to hedge interest rate risk and volatility.

The adviser uses security selection and/or derivatives to adjust Fund allocations among strategies or types of investments. For any and all strategies or types of investments, the Fund may use derivatives to obtain exposure. The Fund uses a flexible asset allocation approach that permits the adviser to invest in a single strategy or investment or only a few strategies or investments, consistent with the limitations identified above. Due to the Fund’s flexible allocation approach, the Fund’s risk exposure may vary and a risk associated with an individual strategy or investment may become more pronounced when the Fund utilizes a single strategy or investment or only a few strategies or investments.

The Fund may invest up to 50% of its total assets in securities that are rated below investment grade (junk bonds) by Moody’s Investor Service, Inc. (Moody’s), Standard & Poor’s Corporation (S&P), Fitch Ratings (Fitch) or the equivalent by another nationally recognized statistical rating organization (NRSRO), or securities that are unrated but are deemed by the adviser to be of comparable quality. A “junk bond” is a debt security that is rated below investment grade. Junk bonds also include unrated securities that the adviser believes to be of comparable quality to debt securities that are rated below investment grade. Junk bonds are also called “high yield bonds” and “non-investment grade bonds.” These securities generally are rated in the fifth or lower rating categories (for example, BB or lower by S&P and Ba or lower by Moody’s). These securities generally offer a higher yield than investment grade securities, but involve a high degree of risk. Securities rated below investment grade may include so called “distressed debt” (i.e., securities of issuers experiencing financial or operating difficulties or operating in troubled industries that present attractive risk-reward characteristics). Although the Fund may invest up to 50% of its total assets in junk bonds if deemed advantageous by the adviser given current market conditions at the time of investment, the Fund will generally invest at least 50% of the Fund’s net assets in securities that, at the time of purchase, are rated investment grade or better or the unrated equivalent, meaning that such securities will carry a minimum rating of Baa, BBB–, or BBB– by Moody’s, S&P and Fitch, respectively. A security’s quality is determined at the time of purchase and securities that are rated investment grade or the unrated equivalent may be downgraded or decline in credit quality such that subsequently they would be deemed to be below investment grade.

The Fund may also invest up to 20% of its Assets in a wide variety of taxable debt securities of issuers from the U.S. and other markets, both developed and emerging. Investments may be issued or guaranteed by entities including governments and their agencies, corporations, financial institutions and supranational organizations that the Fund believes have the potential to provide total return. The Fund may invest in inverse floating rate instruments (inverse floaters), corporate bonds, treasury and agency securities, asset-backed, mortgage-related and mortgage-backed securities. Mortgage-backed securities may be structured as collateralized mortgage obligations (agency and non-agency). The Fund expects to invest no more than 10% of its assets in sub-prime mortgage-related securities at the time of purchase. The Fund also invests in inflation-linked securities such as Treasury Inflation Protected Securities (TIPS).

The Fund may invest in loan assignments and participations (Loans), and commitments to purchase loan assignments (Unfunded Commitments). The Fund may also invest in common shares or preferred shares of unaffiliated closed-end funds. The Fund generally will limit its investments in a single closed-end fund to 5% of its total assets and in all registered investment companies including closed-end funds (other than money market funds) to 10% of its total assets.

The Fund may invest in exchange traded funds (ETFs) in order to gain exposure to particular foreign markets or asset classes. The ETFs in which the Fund may invest are registered investment companies that seek to track the performance of a particular market index or security. These indexes include not only broad-based market indexes but more specific indexes as well, including those relating to particular sectors, markets, regions or industries. Ordinarily, the Fund must limit its investments in any single ETF to 5% of its total assets and in all ETFs and other investment companies to 10% of its total assets. However, the Securities and Exchange Commission (SEC) has issued exemptive orders to many ETFs that allow any fund investing in such ETFs to disregard these 5% and 10% limitations. If the Fund invests in ETFs that have received such exemptive orders, it may invest any amount of its total assets in a single ETF or in multiple ETFs, although ordinarily the Fund will limit its investments to no more than 10% of its total assets in a single ETF.

As part of its principal investment strategy and for temporary defensive purposes, any portion of the Fund’s total assets may be invested in cash and cash equivalents.

Investment Process. In buying and selling investments for the Fund, the adviser uses an opportunistic strategy that combines both security selection and derivatives to allocate its investments with an absolute return orientation (the return that an asset achieves over a certain period of time). The portfolio management team works on a collaborative basis to allocate the Fund’s investments among investment grade and non-investment grade municipal securities and to identify relative value and other trading strategies that are designed to hedge against volatility and interest rate risk. The Fund uses a flexible asset allocation approach. Due to the Fund’s flexible allocation approach, the Fund’s risk exposure may vary and a risk associated with an individual strategy or type of investment may become more pronounced when the Fund utilizes a single strategy or type of investment or only a few strategies or types of investments.

As part of its tax aware strategy, the Fund typically sells securities when the anticipated performance benefit justifies the resulting gain. This strategy often includes minimizing the sale of securities with large unrealized gains, holding securities long enough to avoid short-term capital gains taxes, selling securities with a higher cost basis first and offsetting capital gains realized in one security by selling another security at a capital loss.
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.


Interest Rate Risk. The Fund mainly invests in bonds and other debt securities. These securities will increase or decrease in value based on changes in interest rates. If rates increase, the value of the Fund’s investments generally declines.

Municipal Obligations Risk. The risk of a municipal obligation generally depends on the financial and credit status of the issuer. Changes in a municipality’s financial health may make it difficult for the municipality to make interest and principal payments when due. Under some circumstances, municipal obligations might not pay interest unless the state legislature or municipality authorizes money for that purpose.

Municipal obligations may be more susceptible to downgrades or defaults during recessions or similar periods of economic stress. In addition, since some municipal obligations may be secured or guaranteed by banks and other institutions, the risk to the Fund could increase if the banking or financial sector suffers an economic downturn and/or if the credit ratings of the institutions issuing the guarantee are downgraded or at risk of being downgraded by a national rating organization. Such a downward revision or risk of being downgraded may have an adverse effect on the market prices of the securities and thus the value of the Fund’s investments.

In addition to being downgraded, an insolvent municipality may file for bankruptcy. The reorganization of a municipality’s debts may significantly affect the rights of creditors and the value of the securities issued by the municipality and the value of the Fund’s investments.

Derivatives Risk. Derivatives, including futures contracts, options, swaps and credit default swaps, 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 the 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.

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.

Strategy Risk. The Fund may use relative value and other strategies that combine derivatives and/or securities to manage duration, sector and yield curve exposure and credit and spread volatility and to gain exposure to municipal securities or markets. There is no guarantee that these strategies will succeed and their use may subject the Fund to greater volatility and loss. Relative value strategies involve complex securities transactions that involve risks in addition to direct investments in securities including leverage risk and the risks described under “Derivatives Risk.”

Mortgage-Related and Other Asset-Backed Securities Risk. Mortgage-related and asset-backed securities, including certain municipal housing authority obligations, are subject to certain other risks. The value of these securities will be influenced by the factors affecting the housing market and the assets underlying such securities. As a result, during periods of declining asset values, difficult or frozen credit markets, significant changes in interest rates, or deteriorating economic conditions, mortgage-related and asset-backed securities may decline in value, face valuation difficulties, become more volatile and/or become illiquid. These securities are also subject to prepayment and call risk. In periods of declining interest rates, the Fund may be subject to contraction risk which is the risk that borrowers will increase the rate at which they prepay the maturity value of mortgages and other obligations. When mortgages and other obligations are prepaid and when securities are called, the Fund may have to reinvest in securities with a lower yield or fail to recover additional amounts (i.e., premiums) paid for securities with higher interest rates, resulting in an unexpected capital loss and/or a decrease in the amount of dividend and yield. In periods of rising interest rates, the Fund may be subject to extension risk which is the risk that the expected maturity of an obligation will lengthen in duration due to a decrease in prepayments. As a result, in certain interest rate environments, the Fund may exhibit additional volatility.

Debt Securities and Other Callable Securities Risk. As part of its main investment strategy, the Fund invests in debt securities. The issuers of these securities and other callable securities may be able to repay principal in advance, especially when interest rates fall. Changes in prepayment rates can affect the return on investment and yield of these securities. When debt obligations are prepaid and when securities are called, the Fund may have to reinvest in securities with a lower yield. The Fund also may fail to recover additional amounts (i.e., premiums) paid for securities with higher interest rates, resulting in an unexpected capital loss.

Credit Risk. The Fund’s investments are subject to the risk that the issuer or the counterparty will fail to make payments when due or default completely. If an issuer’s financial condition worsens, the credit quality of the issuer may deteriorate making it difficult for the Fund to sell such investments. The Fund may invest in municipal securities in the lowest investment grade category. Such securities are considered to have speculative characteristics similar to high yield securities.

High Yield Securities and Loan Risks. The Fund may invest in securities and instruments that are issued by municipalities and companies that are highly leveraged, less creditworthy or financially distressed (also known as junk bonds). These investments are considered to be speculative and are subject to greater risk of loss, greater sensitivity to interest rate and economic changes, valuation difficulties, and potential illiquidity. Loans are subject to additional risks including subordination to other creditors, no collateral or limited rights in collateral, lack of a regular trading market, extended settlement periods, illiquidity risks, and lack of publicly available information.

Tax Aware Investing Risk. The Fund’s tax aware strategies may reduce your taxable income, but will not eliminate it. The Fund may invest all of its assets in municipal securities, the interest on which may be subject to the federal alternative minimum tax. In addition, the Fund’s derivative strategies may generate short-term capital gains which alone or in conjunction with the Fund’s other investment strategies may result in distributions of taxable income. Tax aware strategies may require trade-offs that reduce pre-tax income. Managing the Fund using a tax aware strategy may potentially have a negative effect on the Fund’s performance. Because tax consequences are considered in managing the Fund, the Fund’s pre-tax performance may be lower than that of a similar fund that is not tax-managed.

Taxability Risk. The Fund’s investments in municipal securities rely on the opinion of the issuer’s bond counsel that the interest paid on those securities will not be subject to federal income tax. Tax opinions are generally provided at the time the municipal security is initially issued. However, after the Fund buys a security, the Internal Revenue Service may determine that a bond issued as tax-exempt should in fact be taxable and the Fund’s dividends with respect to that bond might be subject to federal income tax.

Foreign Securities and Emerging Markets Risks. Investments in foreign currencies and foreign issuers are subject to additional risks, including political and economic risks, civil conflicts and war, greater volatility, currency fluctuations, higher transaction costs, delayed settlement, possible foreign controls on investment, expropriation and nationalization risks, illiquidity risks, and less stringent investor protection and disclosure standards of foreign markets. These risks are magnified in countries in “emerging markets.” 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.

ETF and Investment Company Risk. The Fund may invest in shares of other investment companies and ETFs. Shareholders bear both their proportionate share of Fund’s expenses and similar expenses of the underlying investment company or ETF when the Fund invests in shares of another investment company or ETF. The price movement of an index-based ETF may not track the underlying index and may result in a loss. ETFs may trade at a price below their net asset value (also known as a discount). If the Fund invests in closed-end investment companies, it may incur added expenses such as additional management fees and trading costs.

Inflation-Linked Security Risk. Unlike conventional bonds, the principal or interest of inflation-linked securities such as TIPS is adjusted periodically to a specified rate of inflation (e.g., the Consumer Price Index for all Urban Consumers (CPI-U)). There can be no assurance that the inflation index used will accurately measure the real rate of inflation. These securities may lose value in the event that the actual rate of inflation is different than the rate of the inflation index.

Inverse Floater Risk. The market value of an inverse floater can be more volatile than that of a conventional fixed-rate bond having similar credit quality, maturity and redemption provisions. Inverse floaters involve complex transactions and involve risks in addition to risks associated with more conventional municipal obligations including leverage risk and the risks described under Derivatives Risk.

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, occur in times of overall market turmoil or declining prices for the securities sold, or when the securities the Fund wishes to or is required to sell are illiquid.

High Portfolio Turnover Risk. The Fund will likely engage in active and frequent trading leading to increased portfolio turnover, higher transaction costs, and the possibility of increased capital gains, including short-term capital gains that will generally be taxable to shareholders as ordinary income.

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 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 The Fund commenced operations on March 1, 2011 and therefore, has no reportable performance history. Once the Fund has operated for at least one calendar year, a bar chart and performance table will be included in the prospectus to show the performance of the Fund. Although past performance of the Fund is no guarantee of how it will perform in the future, historical performance may give you some indication of the risks of investing in the Fund.
Performance One Year or Less [Text] rr_PerformanceOneYearOrLess The Fund commenced operations on March 1, 2011 and therefore, has no reportable performance history. Once the Fund has operated for at least one calendar year, a bar chart and performance table will be included in the prospectus to show the performance of the Fund.
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture Although past performance of the Fund is no guarantee of how it will perform in the future, historical performance may give you some indication of the risks of investing in the Fund.
A, C, Select Shares | JPMorgan Tax Aware Income Opportunities Fund | Class A
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) Imposed on Purchases as a % of the Offering Price rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 3.75%
Maximum Deferred Sales Charge (Load) as a % of Original Cost of the Shares rr_MaximumDeferredSalesChargeOverOther none [1]
Management Fees rr_ManagementFeesOverAssets 0.40%
Distribution (Rule 12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses rr_OtherExpensesOverAssets 0.72%
Shareholder Service Fees rr_Component1OtherExpensesOverAssets 0.25%
Remainder of Other Expenses rr_Component2OtherExpensesOverAssets 0.47%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.37%
Fee Waivers and Expense Reimbursements rr_FeeWaiverOrReimbursementOverAssets (0.62%) [2]
Total Annual Fund Operating Expenses After Fee Waivers and Expense Reimbursements rr_NetExpensesOverAssets 0.75% [2]
1 Year rr_ExpenseExampleYear01 449
3 Years rr_ExpenseExampleYear03 734
5 Years rr_ExpenseExampleYear05 1,040
10 Years rr_ExpenseExampleYear10 1,908
1 Year rr_ExpenseExampleNoRedemptionYear01 449
3 Years rr_ExpenseExampleNoRedemptionYear03 734
5 Years rr_ExpenseExampleNoRedemptionYear05 1,040
10 Years rr_ExpenseExampleNoRedemptionYear10 1,908
A, C, Select Shares | JPMorgan Tax Aware Income Opportunities Fund | Class C
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) Imposed on Purchases as a % of the Offering Price rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (Load) as a % of Original Cost of the Shares rr_MaximumDeferredSalesChargeOverOther 1.00%
Management Fees rr_ManagementFeesOverAssets 0.40%
Distribution (Rule 12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.75%
Other Expenses rr_OtherExpensesOverAssets 0.73%
Shareholder Service Fees rr_Component1OtherExpensesOverAssets 0.25%
Remainder of Other Expenses rr_Component2OtherExpensesOverAssets 0.48%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.88%
Fee Waivers and Expense Reimbursements rr_FeeWaiverOrReimbursementOverAssets (0.48%) [2]
Total Annual Fund Operating Expenses After Fee Waivers and Expense Reimbursements rr_NetExpensesOverAssets 1.40% [2]
1 Year rr_ExpenseExampleYear01 243
3 Years rr_ExpenseExampleYear03 544
5 Years rr_ExpenseExampleYear05 972
10 Years rr_ExpenseExampleYear10 2,162
1 Year rr_ExpenseExampleNoRedemptionYear01 143
3 Years rr_ExpenseExampleNoRedemptionYear03 544
5 Years rr_ExpenseExampleNoRedemptionYear05 972
10 Years rr_ExpenseExampleNoRedemptionYear10 2,162
A, C, Select Shares | JPMorgan Tax Aware Income Opportunities Fund | Select Class
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) Imposed on Purchases as a % of the Offering Price rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (Load) as a % of Original Cost of the Shares rr_MaximumDeferredSalesChargeOverOther none
Management Fees rr_ManagementFeesOverAssets 0.40%
Distribution (Rule 12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses rr_OtherExpensesOverAssets 0.88%
Shareholder Service Fees rr_Component1OtherExpensesOverAssets 0.25%
Remainder of Other Expenses rr_Component2OtherExpensesOverAssets 0.63%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.28%
Fee Waivers and Expense Reimbursements rr_FeeWaiverOrReimbursementOverAssets (0.63%) [2]
Total Annual Fund Operating Expenses After Fee Waivers and Expense Reimbursements rr_NetExpensesOverAssets 0.65% [2]
1 Year rr_ExpenseExampleYear01 66
3 Years rr_ExpenseExampleYear03 344
5 Years rr_ExpenseExampleYear05 642
10 Years rr_ExpenseExampleYear10 1,490
1 Year rr_ExpenseExampleNoRedemptionYear01 66
3 Years rr_ExpenseExampleNoRedemptionYear03 344
5 Years rr_ExpenseExampleNoRedemptionYear05 642
10 Years rr_ExpenseExampleNoRedemptionYear10 1,490
[1] (under $1 million)
[2] 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 0.75%, 1.40% and 0.65%, respectively, of their average daily net assets. This contract cannot be terminated prior to 7/1/13, at which time the Service Providers will determine whether or not to renew or revise it.