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Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Document Type dei_DocumentType 485BPOS
Document Period End Date dei_DocumentPeriodEndDate Aug. 31, 2012
Registrant Name dei_EntityRegistrantName OPPENHEIMER CAPITAL APPRECIATION FUND
Central Index Key dei_EntityCentralIndexKey 0000319767
Amendment Flag dei_AmendmentFlag false
Document Creation Date dei_DocumentCreationDate Dec. 27, 2012
Document Effective Date dei_DocumentEffectiveDate Dec. 28, 2012
Prospectus Date rr_ProspectusDate Dec. 28, 2012
(Oppenheimer Capital Appreciation Fund)
  
Risk/Return: rr_RiskReturnAbstract  
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock

Investment Objective. The Fund seeks capital appreciation.

Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock

Fees and Expenses of the Fund. This table describes the fees and expenses that you may pay if you buy and hold or redeem shares of the Fund. You may qualify for sales charge discounts if you (or you and your spouse) invest, or agree to invest in the future, at least $25,000 in certain funds in the Oppenheimer family of funds. More information about these and other discounts is available from your financial professional and in the section "About Your Account" beginning on page 9 of the prospectus and in the sections "How to Buy Shares" beginning on page 53 and "Appendix A" in the Fund's 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)
Portfolio Turnover [Text Block] rr_PortfolioTurnoverTextBlock

Portfolio Turnover. 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 the annual fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 26% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 26.00%
Expense Breakpoint Discounts [Text] rr_ExpenseBreakpointDiscounts You may qualify for sales charge discounts if you (or you and your spouse) invest, or agree to invest in the future, at least $25,000 in certain funds in the Oppenheimer family of funds.
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount 25,000
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock

Example. The following 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 a class of shares of 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. Although your actual costs may be higher or lower, based on these assumptions your expenses would be as follows:

Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption

If shares are redeemed

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

If shares are not redeemed

Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock

Principal Investment Strategies. The Fund mainly invests in common stocks of "growth companies." Growth companies are companies whose earnings and stock prices are expected to increase at a faster rate than the overall market. These may be newer companies or established companies of any capitalization range that the portfolio managers believe may appreciate in value over the long term. Currently, the Fund primarily focuses on established companies that are similar in size to companies in the S&P 500 Index or the Russell 1000 Growth Index. The Fund primarily invests in securities of U.S. issuers but may also invest in foreign securities. The portfolio managers look for growth companies with stock prices that they believe are reasonable in relation to overall stock market valuations. In seeking broad diversification of the Fund's portfolio among industries and market sectors, the portfolio managers focus on a number of factors that may vary in particular cases and over time. Currently, the portfolio managers look for:

  • companies in business areas that have above-average growth potential

  • companies with growth rates that the portfolio managers believe are sustainable over time

  • stocks with reasonable valuations relative to their growth potential.

The Fund may sell the stocks of companies that the portfolio managers believe no longer meet the above criteria, but is not required to do so.
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock

Principal Risks. The price of the Fund's shares can go up and down substantially. The value of the Fund's investments may change because of broad changes in the markets in which the Fund invests or because of poor investment selection, which could cause the Fund to underperform other funds with similar investment objectives. There is no assurance that the Fund will achieve its investment objective. When you redeem your shares, they may be worth more or less than what you paid for them. These risks mean that you can lose money by investing in the Fund.

Main Risks of Investing in Stock. The value of the Fund's portfolio may be affected by changes in the stock markets. Stock markets may experience significant short-term volatility and may fall sharply at times. Different stock markets may behave differently from each other and U.S. stock markets may move in the opposite direction from one or more foreign stock markets.

The prices of individual stocks generally do not all move in the same direction at the same time and a variety of factors can affect the price of a particular company's stock. These factors may include, but are not limited to: poor earnings reports, a loss of customers, litigation against the company, general unfavorable performance of the company's sector or industry, or changes in government regulations affecting the company or its industry.

At times, the Fund may emphasize investments in a particular industry or economic or market sector. To the extent that the Fund increases its emphasis on investments in a particular industry or sector, the value of its investments may fluctuate more in response to events affecting that industry or sector, such as changes in economic conditions, government regulations, availability of basic resources or supplies, or other events that affect that industry or sector more than others.

Main Risks of Growth Investing. If a growth company's earnings or stock price fails to increase as anticipated, or if its business plans do not produce the expected results, its securities may decline sharply. Growth companies may be newer or smaller companies that may experience greater stock price fluctuations and risks of loss than larger, more established companies. Newer growth companies tend to retain a large part of their earnings for research, development or investments in capital assets. Therefore, they may not pay any dividends for some time. Growth investing has gone in and out of favor during past market cycles and is likely to continue to do so. During periods when growth investing is out of favor or when markets are unstable, it may be more difficult to sell growth company securities at an acceptable price. Growth stocks may also be more volatile than other securities because of investor speculation.

Who Is The Fund Designed For? The Fund is designed primarily for investors seeking capital appreciation over the long term. Those investors should be willing to assume the risks of short-term share price fluctuations that are typical for a fund focusing on stocks. Because of its focus on long-term growth, the Fund may be more appropriate for investors with longer term investment goals. The Fund is not designed for investors needing current income. The Fund is not a complete investment program. You should carefully consider your own investment goals and risk tolerance before investing in the Fund.

An investment in the Fund is not a deposit of any bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.

Risk Lose Money [Text] rr_RiskLoseMoney The price of the Fund's shares can go up and down substantially. The value of the Fund's investments may change because of broad changes in the markets in which the Fund invests or because of poor investment selection, which could cause the Fund to underperform other funds with similar investment objectives. There is no assurance that the Fund will achieve its investment objective. When you redeem your shares, they may be worth more or less than what you paid for them. These risks mean that you can lose money by investing in the Fund.
Risk Not Insured Depository Institution [Text] rr_RiskNotInsuredDepositoryInstitution An investment in the Fund is not a deposit of any bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock

The Fund's Past Performance. The bar chart and table below provide some indication of the risks of investing in the Fund by showing changes in the Fund's performance (for Class A shares) from year to year and by showing how the Fund's average annual returns for 1, 5 and 10 years compare with those of a broad measure of market performance. The Fund's past investment performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. More recent performance information is available by calling the toll-free number on the back of this prospectus and on the Fund's website: https://www.oppenheimerfunds.com/fund/investors/overview/CapitalAppreciationFund

Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress https://www.oppenheimerfunds.com/fund/investors/overview/CapitalAppreciationFund
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture The Fund's past investment performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock

Sales charges and taxes are not included and the returns would be lower if they were. During the period shown, the highest return for a calendar quarter was 18.94% (2nd Qtr 09) and the lowest was -28.10% (4th Qtr 08). For the period from January 1, 2012 to September 30, 2012 the cumulative return before taxes was 14.90%.
Performance Table Heading rr_PerformanceTableHeading

Average Annual Total Returns for the periods ended December 31, 2011
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate After-tax returns are calculated using the highest individual federal marginal income tax rates and do not reflect the impact of state or local taxes.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred Your actual after-tax returns, depending on your individual tax situation, may differ from those shown and after-tax returns shown are not relevant to investors who hold their Fund 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 for only one class and after-tax returns for other classes will vary.
Performance Table Narrative rr_PerformanceTableNarrativeTextBlock

The following table shows the average annual total returns for each class of the Fund's shares. After-tax returns are calculated using the highest individual federal marginal income tax rates and do not reflect the impact of state or local taxes. Your actual after-tax returns, depending on your individual tax situation, may differ from those shown and after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts. After-tax returns are shown for only one class and after-tax returns for other classes will vary.

Performance information for Class I shares will be provided after those shares have one full calendar year of performance.

(Oppenheimer Capital Appreciation Fund) | Russell 1000 Growth Index
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 2.64%
5 Years rr_AverageAnnualReturnYear05 2.50%
10 Years rr_AverageAnnualReturnYear10 2.60%
(Oppenheimer Capital Appreciation Fund) | S&P 500 Index
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 2.11%
5 Years rr_AverageAnnualReturnYear05 (0.25%)
10 Years rr_AverageAnnualReturnYear10 2.92%
(Oppenheimer Capital Appreciation Fund) | Class A
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) imposed on purchases (as % of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 5.75%
Maximum Deferred Sales Charge (Load) (as % of the lower of original offering price or redemption proceeds) rr_MaximumDeferredSalesChargeOverOther none
Management Fees rr_ManagementFeesOverAssets 0.59%
Distribution and/or Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.23%
Other Expenses rr_OtherExpensesOverAssets 0.31%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.13%
Fee Waiver and/or Expense Reimbursement rr_FeeWaiverOrReimbursementOverAssets none [1]
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement rr_NetExpensesOverAssets 1.13%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 684
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 915
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,165
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 1,878
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 684
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 915
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,165
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 1,878
Annual Return 2002 rr_AnnualReturn2002 (26.26%)
Annual Return 2003 rr_AnnualReturn2003 29.46%
Annual Return 2004 rr_AnnualReturn2004 6.46%
Annual Return 2005 rr_AnnualReturn2005 4.70%
Annual Return 2006 rr_AnnualReturn2006 7.51%
Annual Return 2007 rr_AnnualReturn2007 13.76%
Annual Return 2008 rr_AnnualReturn2008 (45.90%)
Annual Return 2009 rr_AnnualReturn2009 43.58%
Annual Return 2010 rr_AnnualReturn2010 9.14%
Annual Return 2011 rr_AnnualReturn2011 (1.57%)
Year to Date Return, Label rr_YearToDateReturnLabel For the period from January 1, 2012 to September 30, 2012 the cumulative return before taxes was 14.90%.
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Sep. 30, 2012
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn 14.90%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel highest return for a calendar quarter was 18.94% (2nd Qtr 09)
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 18.94%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel lowest was -28.10% (4th Qtr 08)
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (28.10%)
1 Year rr_AverageAnnualReturnYear01 (7.23%)
5 Years rr_AverageAnnualReturnYear05 (2.20%)
10 Years rr_AverageAnnualReturnYear10 0.23%
Inception Date rr_AverageAnnualReturnInceptionDate Jan. 22, 1981
(Oppenheimer Capital Appreciation Fund) | Class A | Return After Taxes on Distributions
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 (7.26%)
5 Years rr_AverageAnnualReturnYear05 (2.26%)
10 Years rr_AverageAnnualReturnYear10 0.18%
(Oppenheimer Capital Appreciation Fund) | Class A | Return After Taxes on Distributions and Sale of Fund Shares
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 (4.67%)
5 Years rr_AverageAnnualReturnYear05 (1.85%)
10 Years rr_AverageAnnualReturnYear10 0.19%
(Oppenheimer Capital Appreciation Fund) | Class B
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) imposed on purchases (as % of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (Load) (as % of the lower of original offering price or redemption proceeds) rr_MaximumDeferredSalesChargeOverOther 5.00%
Management Fees rr_ManagementFeesOverAssets 0.59%
Distribution and/or Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.99%
Other Expenses rr_OtherExpensesOverAssets 0.59%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 2.17%
Fee Waiver and/or Expense Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.20%) [1]
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement rr_NetExpensesOverAssets 1.97%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 702
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 967
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,358
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 1,996
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 202
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 667
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,158
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 1,996
1 Year rr_AverageAnnualReturnYear01 (7.32%)
5 Years rr_AverageAnnualReturnYear05 (2.22%)
10 Years rr_AverageAnnualReturnYear10 0.34%
Inception Date rr_AverageAnnualReturnInceptionDate Nov. 01, 1995
(Oppenheimer Capital Appreciation Fund) | Class C
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) imposed on purchases (as % of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (Load) (as % of the lower of original offering price or redemption proceeds) rr_MaximumDeferredSalesChargeOverOther 1.00%
Management Fees rr_ManagementFeesOverAssets 0.59%
Distribution and/or Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other Expenses rr_OtherExpensesOverAssets 0.34%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.93%
Fee Waiver and/or Expense Reimbursement rr_FeeWaiverOrReimbursementOverAssets none [1]
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement rr_NetExpensesOverAssets 1.93%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 298
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 612
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,052
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,275
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 198
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 612
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,052
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 2,275
1 Year rr_AverageAnnualReturnYear01 (3.33%)
5 Years rr_AverageAnnualReturnYear05 (1.79%)
10 Years rr_AverageAnnualReturnYear10 0.06%
Inception Date rr_AverageAnnualReturnInceptionDate Dec. 01, 1993
(Oppenheimer Capital Appreciation Fund) | Class I
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) imposed on purchases (as % of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (Load) (as % of the lower of original offering price or redemption proceeds) rr_MaximumDeferredSalesChargeOverOther none
Management Fees rr_ManagementFeesOverAssets 0.59%
Distribution and/or Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses rr_OtherExpensesOverAssets 0.03%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 0.62%
Fee Waiver and/or Expense Reimbursement rr_FeeWaiverOrReimbursementOverAssets none [1]
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement rr_NetExpensesOverAssets 0.62%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 64
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 199
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 347
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 777
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 64
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 199
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 347
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 777
(Oppenheimer Capital Appreciation Fund) | Class N
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) imposed on purchases (as % of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (Load) (as % of the lower of original offering price or redemption proceeds) rr_MaximumDeferredSalesChargeOverOther 1.00%
Management Fees rr_ManagementFeesOverAssets 0.59%
Distribution and/or Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.49%
Other Expenses rr_OtherExpensesOverAssets 0.31%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.39%
Fee Waiver and/or Expense Reimbursement rr_FeeWaiverOrReimbursementOverAssets none [1]
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement rr_NetExpensesOverAssets 1.39%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 242
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 443
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 766
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 1,680
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 142
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 443
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 766
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 1,680
1 Year rr_AverageAnnualReturnYear01 (2.82%)
5 Years rr_AverageAnnualReturnYear05 (1.30%)
10 Years rr_AverageAnnualReturnYear10 0.54%
Inception Date rr_AverageAnnualReturnInceptionDate Mar. 01, 2001
(Oppenheimer Capital Appreciation Fund) | Class Y
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) imposed on purchases (as % of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (Load) (as % of the lower of original offering price or redemption proceeds) rr_MaximumDeferredSalesChargeOverOther none
Management Fees rr_ManagementFeesOverAssets 0.59%
Distribution and/or Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses rr_OtherExpensesOverAssets 0.13%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 0.72%
Fee Waiver and/or Expense Reimbursement rr_FeeWaiverOrReimbursementOverAssets none [1]
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement rr_NetExpensesOverAssets 0.72%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 74
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 231
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 402
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 898
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 74
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 231
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 402
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 898
1 Year rr_AverageAnnualReturnYear01 (1.17%)
5 Years rr_AverageAnnualReturnYear05 (0.63%)
10 Years rr_AverageAnnualReturnYear10 1.23%
Inception Date rr_AverageAnnualReturnInceptionDate Nov. 03, 1997
[1] The Fund's transfer agent has voluntarily agreed to limit its fees for Classes B, C, N and Y to 0.35% of average annual net assets per class per fiscal year, and to 0.30% of average annual net assets per fiscal year for Class A. This fee waiver and/or expense limitation may not be amended or withdrawn until one year from the date of this prospectus.