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Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock

Investment Objective. The Fund seeks total return.
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 19 of the prospectus and in the sections "How to Buy Shares" beginning on page 69 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)

 [1]
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount $ 25,000
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 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:
Other Expenses, New Fund, Based on Estimates [Text] rr_OtherExpensesNewFundBasedOnEstimates Estimated expenses for the first fiscal year that Class I shares are offered. Class I shares will first be offered on the date of this prospectus.
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

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 84% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 84.00%
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock

Principal Investment Strategies. The Fund invests in equity, debt and other securities of domestic and foreign issuers in different capitalization ranges and in developed or developing countries. Under normal market conditions, the Fund invests at least 65% of its total assets in equity and debt securities that are expected to generate income. The percentages of equity and debt securities the Fund holds may vary from time to time. There is no limit on the Fund's investments in foreign securities. The Fund employs multiple strategies: an equity/equity-like strategy, which may include common stocks, convertible bonds, preferred stocks, structured notes and other derivatives like options and futures on equities and equity indices; a high grade fixed income strategy, which may include corporate bonds, government bonds, mortgage-related securities and structured products; and an opportunistic strategy, which seeks asymmetric risk/reward opportunities where the portfolio managers believe the return profile has a low correlation to traditional investment strategies, as well as opportunistically selecting positions to seek total return, income, or capital appreciation. The opportunistic strategy may include convertible bonds, corporate bonds, asset-backed securities, derivatives, such as currency and commodity-linked derivatives, cash and other securities. The opportunistic strategy may also include floating rate loans (sometimes referred to as "adjustable rate loans") that hold a senior position in the capital structure of U.S. and foreign corporations, partnerships or other business entities that, under normal circumstances, allow them to have priority of claim ahead of other obligations of a borrower in the event of liquidation. These investments are referred to as "Senior Loans." Senior Loans may be collateralized or uncollateralized. They typically pay interest at rates that are reset periodically based on a reference benchmark that reflects current interest rates, plus a margin or premium.

Equity Securities. In selecting equity securities, the portfolio manager mainly uses a value-oriented investing style. A security may be undervalued because the market does not yet recognize its potential or the issuer is temporarily out of favor. The Fund seeks to realize gains when other investors recognize the real or prospective worth of the security. Value securities may offer higher than average dividends and the Fund may invest in equity securities to seek both current income and capital growth. The portfolio manager typically looks for securities that can deliver attractive risk-adjusted returns, which may include securities that: have high current income, are believed to have substantial earnings possibilities, have low price/earnings ratios, and have a low price relative to the underlying value of the issuer's assets, earnings, cash flow or other factors.

Debt Securities. In connection with the high grade fixed income strategy, the portfolio manager looks for high current yields and typically searches for corporate and government debt securities that offer: attractive relative value, more income than U.S. treasury obligations, a balance of risk and return, high income potential and portfolio diversification. The Fund may also invest in zero-coupon and stripped securities. In connection with the opportunistic strategy, the portfolio manager looks for high yield, below-investment-grade securities, senior loans and asset-backed securities, among other debt securities, that may offer attractive returns on a risk-adjusted basis, with lower interest rate sensitivity. The Fund can invest up to 40% of its total assets in below-investment-grade securities, also referred to as "junk bonds."

The Fund's debt securities may be rated by a nationally recognized statistical rating organization or may be unrated. "Investment grade" securities are rated in one of the top four rating categories.

Other Securities. In pursuing its strategies, the Fund may also use derivative instruments, including to seek income or returns, or to try to manage market or other investment risks. These derivatives may include options, futures, swaps, "structured" notes, mortgage-related securities, equity-linked debt securities and commodity-linked derivatives. The Fund may also invest in convertible bonds, asset-backed securities, Senior Loans, participation interests in loans, pooled investment entities that invest in loans and currency derivatives, among other types of investments. The Fund may sell securities that no longer meet the above criteria. The Fund's holdings may at times differ significantly from the weightings of the indices comprising its reference index (the "Reference Index"). The Fund's Reference Index is a customized weighted index currently comprised of the following underlying broad-based security indices: 65% of the Barclays U.S. Aggregate Bond Index and 35% of the Russell 3000 Index. The Fund is not managed to be invested in the same percentages as those indices comprising the Reference Index.

The Fund has established a Cayman Islands company that is wholly-owned and controlled by the Fund (the "Subsidiary"). The Fund may invest up to 25% of its total assets in the Subsidiary. The Subsidiary invests primarily in commodity-linked derivatives (including commodity futures, financial futures, options and swap contracts) and exchange-traded funds related to gold or other special minerals ("Gold ETFs"). The Subsidiary may also invest in certain fixed-income securities and other investments that may serve as margin or collateral for its derivatives positions. Investments in the Subsidiary are intended to provide the Fund with exposure to commodities market returns within the limitations of the federal tax requirements that apply to the Fund. The Fund applies its investment restrictions and compliance policies and procedures, on a look-through basis, to the Subsidiary. The Fund's investment in the Subsidiary may vary based on the portfolio manager's use of different types of commodity-linked derivatives, fixed-income securities, Gold ETFs, and other investments. Since the Fund may invest a substantial portion of its assets in the Subsidiary, which may hold certain of the investments described in this prospectus, the Fund may be considered to be investing indirectly in those investments through its Subsidiary. Therefore, references in this prospectus to investments by the Fund also may be deemed to include the Fund's indirect investments through the Subsidiary.
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 Equity Securities. Stocks and other equity securities fluctuate in price. The value of the Fund's portfolio may be affected by changes in the equity markets generally. Equity markets may experience significant short-term volatility and may fall sharply at times. Different markets may behave differently from each other and U.S. equity markets may move in the opposite direction from one or more foreign markets.

The prices of individual equity securities 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 securities. 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.

Main Risks of Value Investing. Value investing entails the risk that if the market does not recognize that the Fund's securities are undervalued, the prices of those securities might not appreciate as anticipated. A value approach could also result in fewer investments that increase rapidly during times of market gains and could cause the Fund to underperform funds that use a growth or non-value approach to investing. Value investing has gone in and out of favor during past market cycles and when value investing is out of favor or when markets are unstable, the securities of "value" companies may underperform the securities of "growth" companies.

Main Risks of Debt Securities. Debt securities may be subject to credit risk, interest rate risk, duration risk, prepayment risk, reinvestment risk, extension risk and event risk. Credit risk is the risk that the issuer of a security might not make interest and principal payments on the security as they become due. If an issuer fails to pay interest or repay principal, the Fund's income or share value might be reduced. Adverse news about an issuer or a downgrade in an issuer's credit rating, for any reason, can also reduce the market value of the issuer's securities. Interest rate risk is the risk that when prevailing interest rates fall, the values of already-issued debt securities generally rise; and when prevailing interest rates rise, the values of already-issued debt securities generally fall, and they may be worth less than the amount the Fund paid for them. When interest rates change, the values of longer-term debt securities usually change more than the values of shorter-term debt securities. When interest rates fall, debt securities may be repaid more quickly than expected and the Fund may be required to reinvest the proceeds at a lower interest rate. This is referred to as "prepayment risk." When interest rates fall, the Fund may be required to reinvest the proceeds from a security's sale or redemption at a lower interest rate. This is referred to as "reinvestment risk". When interest rates rise, debt securities may be repaid more slowly than expected and the value of the Fund's holdings may fall sharply. This is referred to as "extension risk." Interest rate changes normally have different effects on variable or floating rate securities than they do on securities with fixed interest rates. Risks associated with rising interest rates are heightened given that interest rates in the U.S. are at, or near, historic lows. Duration risk is the risk that longer-duration debt securities will be more volatile and more likely to decline in price in a rising interest rate environment than shorter-duration debt securities. Event risk is the risk that an issuer could be subject to an event, such as a buyout or debt restructuring, that interferes with its ability to make timely interest and principal payments and cause the value of its debt securities to fall.

Fixed-Income Market Risks. Economic and other market developments can adversely affect fixed-income securities markets in the United States, Europe and elsewhere. At times, participants in debt securities markets may develop concerns about the ability of certain issuers of debt securities to make timely principal and interest payments, or they may develop concerns about the ability of financial institutions that make markets in certain debt securities to facilitate an orderly market. Those concerns can cause increased volatility in those debt securities or debt securities markets. Under some circumstances, as was the case during the latter half of 2008 and early 2009, those concerns could cause reduced liquidity in certain debt securities markets. A lack of liquidity or other adverse credit market conditions may hamper the Fund's ability to sell the debt securities in which it invests or to find and purchase suitable debt instruments.

Special Risks of Below-Investment-Grade Securities. Below-investment-grade debt securities (also referred to as "junk" bonds), whether rated or unrated, may be subject to greater price fluctuations than investment-grade securities, increased credit risk and a greater risk that the issuer might not be able to pay interest and principal when due, especially during times of weakening economic conditions or rising interest rates. The market for below-investment-grade securities may be less liquid and therefore these securities may be harder to value or sell, especially during times of market volatility or decline.

Because the Fund can invest up to 40% of its assets in below-investment-grade securities, the Fund's credit risks are greater than those of funds that buy only investment-grade securities. This restriction is applied at the time of purchase and the Fund may continue to hold a security whose credit rating has been downgraded or, in the case of an unrated security, after the Fund's Sub-Adviser has changed its assessment of the security's credit quality. As a result, credit rating downgrades or other market fluctuations may cause the Fund's holdings of below-investment-grade securities to exceed, at times significantly, this restriction for an extended period of time. Credit rating downgrades of a single issuer or related similar issuers whose securities the Fund holds in significant amounts could substantially and unexpectedly increase the Fund's exposure to below-investment-grade securities and the risks associated with them, especially liquidity and default risk. If the Fund has more than 40% of its total assets invested in below-investment-grade securities, the Sub-Adviser will not purchase additional below-investment-grade securities until the level of holdings in those securities no longer exceeds the restriction.

Special Risks of Senior Loans. In addition to the risks typically associated with debt securities, such as credit and interest rate risk, Senior Loans are also subject to the risk that a court could subordinate a Senior Loan, which typically holds a senior position in the capital structure of a borrower, to presently existing or future indebtedness or take other action detrimental to the holders of Senior Loans. Senior Loans usually have mandatory and optional prepayment provisions. If a borrower prepays a Senior Loan, the Fund will have to reinvest the proceeds in other Senior Loans or securities that may pay lower interest rates. Senior Loans are subject to the risk that the value of the collateral, if any, securing a loan may decline, be insufficient to meet the obligations of the borrower, or be difficult to liquidate. In the event of a default, the Fund may have difficulty collecting on any collateral and would not have the ability to collect on any collateral for an uncollateralized loan. In addition, any collateral may be found invalid or may be used to pay other outstanding obligations of the borrower. The Fund's access to collateral, if any, may be limited by bankruptcy, other insolvency laws, or by the type of loan the fund has purchased. As a result, a collateralized Senior Loan may not be fully collateralized and can decline significantly in value. Loan investments are often issued in connection with highly leveraged transactions. Such transactions include leveraged buyout loans, leveraged recapitalization loans, and other types of acquisition financing. These obligations are subject to greater credit risks than other investments including a greater possibility that the borrower may default or enter bankruptcy. Due to restrictions on transfers in loan agreements and the nature of the private syndication of Senior Loans including, for example, the lack of publicly-available information, some Senior Loans are not as easily purchased or sold as publicly-traded securities. Some Senior Loans and other Fund investments are illiquid, which may make it difficult for the Fund to value them or dispose of them at an acceptable price when it wants to. Direct investments in Senior Loans and, to a lesser degree, investments in participation interests in or assignments of Senior Loans may be limited. Investments in Senior Loans are expected to be less affected by changes in interest rates than fixed-rate securities.

Main Risks of Mortgage-Related Securities. The Fund can buy interests in pools of residential or commercial mortgages in the form of "pass-through" mortgage securities. They may be issued or guaranteed by the U.S. government, or its agencies and instrumentalities, or by private issuers. Mortgage-related securities issued by private issuers are not U.S. government securities, and are subject to greater credit risks than mortgage-related securities that are U.S. government securities. Private-issuer mortgage-backed securities are also subject to interest rate risk, and the market for private-issuer mortgage-backed securities may be volatile at times and may be less liquid than the markets for other types of securities. In addition, a substantial portion of the Fund's assets may be subject to "forward roll" transactions (also referred to as "mortgage dollar rolls") at any given time, which subject the Fund to the risk that market value of the mortgage-related securities involved might decline, and that the counterparty might default in its obligations.

Asset-Backed Securities Risk. The Fund can buy asset backed securities, which are fractional interests in pools of loans and are collateralized by the loans, other assets or receivables. They are typically issued by trusts and special purpose corporations that pass the income from the underlying pool to the purchasers. These securities are subject to the risk of default by the issuer as well as by the borrowers of the underlying loans in the pool, and to interest rate and prepayment risks.

Main Risks of Foreign Investing. Foreign securities are subject to special risks. Foreign issuers are usually not subject to the same accounting and disclosure requirements that U.S. companies are subject to, which may make it difficult for the Fund to evaluate a foreign company's operations or financial condition. A change in the value of a foreign currency against the U.S. dollar will result in a change in the U.S. dollar value of securities denominated in that foreign currency and in the value of any income or distributions the Fund may receive on those securities. The value of foreign investments may be affected by exchange control regulations, foreign taxes, higher transaction and other costs, delays in the settlement of transactions, changes in economic or monetary policy in the United States or abroad, expropriation or nationalization of a company's assets, or other political and economic factors. These risks may be greater for investments in developing or emerging market countries.

Special Risks of Developing and Emerging Markets. The economies of developing or emerging market countries may be more dependent on relatively few industries that may be highly vulnerable to local and global changes. The governments of developing and emerging market countries may also be more unstable than the governments of more developed countries. These countries generally have less developed securities markets or exchanges, and less developed legal and accounting systems. Securities may be more difficult to sell at an acceptable price and may be more volatile than securities in countries with more mature markets. The value of developing or emerging market currencies may fluctuate more than the currencies of countries with more mature markets. Investments in developing or emerging market countries may be subject to greater risks of government restrictions, including confiscatory taxation, expropriation or nationalization of a company's assets, restrictions on foreign ownership of local companies and restrictions on withdrawing assets from the country. Investments in securities of issuers in developing or emerging market countries may be considered speculative.

Foreign Currency Risk. Fluctuations in foreign currency values will result in fluctuations in the U.S. dollar value of securities denominated in that foreign currency. If the U.S. dollar rises in value against a foreign currency, a security denominated in that currency will be worth less in U.S. dollars and if the U.S. dollar decreases in value against a foreign currency, a security denominated in that currency will be worth more in U.S. dollars. The dollar value of foreign investments may also be affected by exchange controls.

Main Risks of Small- and Mid-Sized Companies. The stock prices of small- and mid-sized companies may be more volatile and their securities may be more difficult to sell than those of larger companies. They may not have established markets, may have fewer customers and product lines, may have unseasoned management or less management depth and may have more limited access to financial resources. Smaller companies may not pay dividends or provide capital gains for some time, if at all.

Main Risks of Commodity-Linked Investments. Commodity-linked investments are considered speculative and have substantial risks, including the risk of loss of a significant portion of their principal value. Prices of commodities and commodity-linked investments may fluctuate significantly over short periods due to a variety of factors, including for example agricultural, economic and regulatory developments. These risks may make commodity-linked investments more volatile than other types of investments.

Main Risks Of Investments In The Fund's Wholly-Owned Subsidiary. The Subsidiary is not registered under the Investment Company Act of 1940 and is not subject to its investor protections (except as otherwise noted in this prospectus). As an investor in the Subsidiary, the Fund does not have all of the protections offered to investors by the Investment Company Act of 1940. However, the Subsidiary is wholly-owned and controlled by the Fund and managed by the Manager. Therefore, the Fund's ownership and control of the Subsidiary make it unlikely that the Subsidiary would take actions contrary to the interests of the Fund or its shareholders.

Changes in the laws of the Cayman Islands (where the Subsidiary is organized) could prevent the Subsidiary from operating as described in this prospectus and could negatively affect the Fund and its shareholders. For example, the Cayman Islands currently does not impose certain taxes on exempted companies like the Subsidiary, including income and capital gains tax, among others. If Cayman Islands laws were changed to require such entities to pay Cayman Islands taxes, the investment returns of the Fund would likely decrease.

The Fund has requested a private letter ruling from the Internal Revenue Service confirming that income from the Fund's investment in the Subsidiary constitutes "qualifying income" for purposes of the tax rules. Currently, the Internal Revenue Service has suspended the granting of private letter rulings, pending further internal discussion. As a result, there can be no assurance that the Internal Revenue Service will grant the private letter ruling requested. If the Internal Revenue Service does not grant the private letter ruling request, there is a risk that the Internal Revenue Service could assert that the annual net profit realized by the Subsidiary and imputed for income tax purposes to the Fund will not be considered "qualifying income" for purposes of the Fund remaining qualified as a regulated investment company for federal income tax purposes.

Main Risks of Derivative Investments. Derivatives may involve significant risks. Derivatives may be more volatile than other types of investments, require the payment of premiums, can increase portfolio turnover, may be illiquid, and may not perform as expected. Derivatives are subject to counterparty risk and the Fund may lose money on a derivative investment if the issuer or counterparty fails to pay the amount due. Some derivatives have the potential for unlimited loss, regardless of the size of the Fund's initial investment. As a result of these risks, the Fund could realize little or no income or lose money from its investment, or a hedge might be unsuccessful. In addition, under new rules enacted and currently being implemented under U.S. financial reform legislation, certain over-the-counter derivatives are (or soon will be) required to be executed on a regulated market and cleared through a central clearing house counterparty. It is unclear how these regulatory changes will affect counterparty risk, and entering into a derivative transaction with a central clearing house counterparty may entail further risks and costs.

Main Risks of Leverage. Leverage may be created when an investment exposes the Fund to a risk of loss that exceeds the amount invested. Certain derivatives and other investments provide the potential for investment gain or loss that may be several times than the value of the underlying security, index or other investment.

Who is the Fund Designed For? The Fund is designed primarily for investors seeking total return. Those investors should be willing to assume the risks of short-term share price fluctuations that are typical for a fund that has substantial investments in equity securities. Although the Fund seeks total return, it is not designed for investors needing an assured level of 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.

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 calendar year to calendar year and by showing how the Fund's average annual returns for the periods of time shown in the table compare with those of a broad measure of market performance and those of the Reference Index, which has characteristics of those markets in which the Fund can invest. 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/CapitalIncomeFund

Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock

Sales charges and taxes are not included in the calculations and the returns would be lower if they were. During the period shown, the highest return for a calendar quarter was 18.21% (2nd Qtr 03) and the lowest return was -24.23% (4th Qtr 08). For the period from January 1, 2013 to September 30, 2013, the cumulative return before sales charges and taxes was 4.46%.
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.
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 Table Heading rr_PerformanceTableHeading

Average Annual Total Returns for the periods ended December 31, 2012
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.
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 Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress https://www.oppenheimerfunds.com/fund/CapitalIncomeFund
Russell 3000 Index
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 16.42%
5 Years (or life of class if less) rr_AverageAnnualReturnYear05 2.04%
10 Years (or life of class if less) rr_AverageAnnualReturnYear10 7.68%
Russell 3000 Index (reflects no deduction for fees, expenses or taxes)
  
Risk/Return: rr_RiskReturnAbstract  
5 Years (or life of class if less) rr_AverageAnnualReturnYear05 7.61% [2]
Barclays Capital U.S. Aggregate Bond Index
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 4.22%
5 Years (or life of class if less) rr_AverageAnnualReturnYear05 5.95%
10 Years (or life of class if less) rr_AverageAnnualReturnYear10 5.18%
Barclays Capital U.S. Aggregate Bond Index (reflects no deduction for fees, expenses or taxes)
  
Risk/Return: rr_RiskReturnAbstract  
5 Years (or life of class if less) rr_AverageAnnualReturnYear05 6.22% [2]
Reference Index
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 8.51%
5 Years (or life of class if less) rr_AverageAnnualReturnYear05 5.26%
10 Years (or life of class if less) rr_AverageAnnualReturnYear10 6.36%
Reference Index (reflects no deduction for fees, expenses or taxes)
  
Risk/Return: rr_RiskReturnAbstract  
5 Years (or life of class if less) rr_AverageAnnualReturnYear05 6.98% [2]
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 0.54% [3]
Distribution and/or Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.23%
Other Expenses rr_OtherExpensesOverAssets 0.24%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.05%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.06%
Fee Waiver and/or Expense Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.05%) [4]
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement rr_NetExpensesOverAssets 1.01%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 673
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 890
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,124
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 1,797
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 673
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 890
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,124
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 1,797
Annual Return 2003 rr_AnnualReturn2003 33.47%
Annual Return 2004 rr_AnnualReturn2004 10.28%
Annual Return 2005 rr_AnnualReturn2005 2.43%
Annual Return 2006 rr_AnnualReturn2006 15.16%
Annual Return 2007 rr_AnnualReturn2007 (1.85%)
Annual Return 2008 rr_AnnualReturn2008 (37.05%)
Annual Return 2009 rr_AnnualReturn2009 18.10%
Annual Return 2010 rr_AnnualReturn2010 11.63%
Annual Return 2011 rr_AnnualReturn2011 4.21%
Annual Return 2012 rr_AnnualReturn2012 11.09%
Year to Date Return, Label rr_YearToDateReturnLabel For the period from January 1, 2013 to September 30, 2013, the cumulative return before sales charges and taxes was 4.46%.
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn 4.46%
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Sep. 30, 2013
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel the highest return for a calendar quarter was 18.21% (2nd Qtr 03)
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 18.21%
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Jun. 30, 2003
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel the lowest return was -24.23% (4th Qtr 08)
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (24.23%)
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2008
1 Year rr_AverageAnnualReturnYear01 4.70%
5 Years (or life of class if less) rr_AverageAnnualReturnYear05 (1.97%)
10 Years (or life of class if less) rr_AverageAnnualReturnYear10 4.43%
Class A | Return After Taxes on Distributions
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 3.48%
5 Years (or life of class if less) rr_AverageAnnualReturnYear05 (2.91%)
10 Years (or life of class if less) rr_AverageAnnualReturnYear10 3.07%
Class A | Return After Taxes on Distributions and Sale of Fund Shares
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 3.24%
5 Years (or life of class if less) rr_AverageAnnualReturnYear05 (2.11%)
10 Years (or life of class if less) rr_AverageAnnualReturnYear10 3.26%
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 0.54% [3]
Distribution and/or Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other Expenses rr_OtherExpensesOverAssets 0.24%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.05%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.83%
Fee Waiver and/or Expense Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.05%) [4]
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement rr_NetExpensesOverAssets 1.78%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 682
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 876
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,195
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 1,770
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 182
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 576
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 995
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 1,770
1 Year rr_AverageAnnualReturnYear01 5.09%
5 Years (or life of class if less) rr_AverageAnnualReturnYear05 (2.05%)
10 Years (or life of class if less) rr_AverageAnnualReturnYear10 4.54%
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 0.54% [3]
Distribution and/or Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.99%
Other Expenses rr_OtherExpensesOverAssets 0.24%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.05%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.82%
Fee Waiver and/or Expense Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.05%) [4]
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement rr_NetExpensesOverAssets 1.77%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 281
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 573
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 989
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,152
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 181
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 573
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 989
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 2,152
1 Year rr_AverageAnnualReturnYear01 9.24%
5 Years (or life of class if less) rr_AverageAnnualReturnYear05 (1.62%)
10 Years (or life of class if less) rr_AverageAnnualReturnYear10 4.19%
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 0.54% [3]
Distribution and/or Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.48%
Other Expenses rr_OtherExpensesOverAssets 0.24%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.05%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.31%
Fee Waiver and/or Expense Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.05%) [4]
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement rr_NetExpensesOverAssets 1.26%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 229
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 413
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 718
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 1,585
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 129
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 413
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 718
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 1,585
1 Year rr_AverageAnnualReturnYear01 9.72%
5 Years (or life of class if less) rr_AverageAnnualReturnYear05 (1.14%)
10 Years (or life of class if less) rr_AverageAnnualReturnYear10 4.68%
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 0.54% [3]
Distribution and/or Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses rr_OtherExpensesOverAssets 0.24%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.05%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 0.83%
Fee Waiver and/or Expense Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.05%) [4]
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement rr_NetExpensesOverAssets 0.78%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 80
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 261
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 457
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 1,025
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 80
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 261
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 457
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 1,025
1 Year rr_AverageAnnualReturnYear01 11.43%
5 Years (or life of class if less) rr_AverageAnnualReturnYear05 7.56%
10 Years (or life of class if less) rr_AverageAnnualReturnYear10   
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 0.54% [3],[5]
Distribution and/or Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none [5]
Other Expenses rr_OtherExpensesOverAssets 0.06% [5]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.05% [5]
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 0.65% [5]
Fee Waiver and/or Expense Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.05%) [4],[5]
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement rr_NetExpensesOverAssets 0.60% [5]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 62 [6]
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 204 [6]
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 358 [6]
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 808 [6]
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 62 [6]
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 204 [6]
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 358 [6]
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 808 [6]
[1] Expenses have been restated to reflect current fees.
[2] As of 01/31/2011.
[3] "Management Fees" reflects the gross management fees paid to the Manager by the Fund and the gross management fee of the Subsidiary for its most recent fiscal year.
[4] After discussions with the Fund's Board, the Manager has contractually agreed to waive fees and/or reimburse Fund expenses in an amount equal to the indirect management fees incurred through the Fund's investments in funds managed by the Manager or its affiliates. This fee waiver and/or expense limitation may not be amended or withdrawn until one year from the date of this prospectus, unless approved by the Fund's Board.
[5] Estimated expenses for the first fiscal year that Class I shares are offered. Class I shares will first be offered on the date of this prospectus.
[6] Based on estimated expenses for Class I shares for the first fiscal year.