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(American Beacon Tocqueville International Value Fund) | (American Beacon Tocqueville International Value Fund℠)  
Prospectus: rr_ProspectusTable  
Objective [Heading] rr_ObjectiveHeading Investment Objective
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
The Fund’s investment objective is long-term capital appreciation.
Expense [Heading] rr_ExpenseHeading Fees and Expenses of the Fund
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock
This table describes the fees and expenses that you may pay if you buy, hold, and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. More information is available from your financial professional and in “Choosing Your Share Class” on page 18 of the Prospectus.
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 February 28, 2023
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 and then redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same, except that the Example reflects the fee waiver/expense reimbursement arrangement for the R5 Class shares through February 28, 2023. Although your actual costs may be higher or lower, based on these assumptions, whether you redeem or hold your shares, your costs would be:
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 most recent fiscal year, the Fund’s portfolio turnover rate was 34% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 34.00%
Strategy [Heading] rr_StrategyHeading Principal Investment Strategies
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
Under normal circumstances, the Fund will invest at least 65% of its total assets in the equity securities of companies based in at least three different countries located outside the United States, which may include developed and emerging market countries. The Fund may invest in international and U.S. companies representing a broad spectrum of market capitalizations, including large-cap companies having market values of $10 billion or more, and mid cap companies having market values between $2 billion and $10 billion. The Fund may invest principally in equity securities of value companies, which may include common stock, depositary receipts and U.S. dollar-denominated foreign stocks traded on U.S. exchanges, income deposit securities, income trusts, master limited partnerships (“MLPs”), real estate investment trusts (“REITs”) and preferred stock, although the Fund also may invest in growth companies. The Fund’s sub-advisor, Tocqueville Asset Management L.P. (“sub-advisor”), may hedge the Fund’s foreign currency exposure by selling foreign currency forward contracts, including non-deliverable forwards (“NDFs”).
The investment strategy of the Fund is value oriented and contrarian. The Fund seeks to invest in companies that have good long-term business fundamentals but are temporarily out of favor with investors, and hence have a market value lower than their intrinsic value. The fundamental research-based value orientation of the sub-advisor helps it identify a focused portfolio of typically 40 to 60 companies believed to have good businesses. The sub-advisor’s contrarian orientation enables the purchase of those companies at what the sub-advisor believes to be attractive prices. The Fund may have significant
exposure to the Industrials sector. However, as the sector composition of the Fund’s portfolio changes over time, the Fund’s exposure to the Industrials sector may be lower at a future date, and the Fund’s exposure to other market sectors may be higher. The Fund may have significant exposure to Japan. However, as the composition of the Fund’s portfolio changes over time, the Fund’s exposure to Japan may be lower at a future date, and the Fund’s exposure to other countries may be higher.
“Value oriented” as stated above means that the sub-advisor seeks to invest in companies that are selling at a discount to their intrinsic value, and where business fundamentals are improving or expected to improve. In assessing intrinsic value, the sub-advisor’s judgments will be based on a comparison of a company’s stock market value with various financial parameters, including historical and projected cash flow, book earnings, and net asset value.
“Contrarian” as stated above means that the sub-advisor seeks investment opportunities in stocks that are out of favor with investors. The sub-advisor considers a stock to be out of favor when its price has declined significantly or has lagged the relevant market index for an extended period of time and the consensus among investors does not expect improvement.
In general, the sub-advisor acquires investment ideas by identifying companies whose stock prices are down, or have lagged the market. The sub-advisor then analyzes the quality of their business franchise and long-term fundamentals and makes a judgment regarding their intrinsic value. Alternatively, the sub-advisor may identify companies with strong long-term business fundamentals and then wait for them to fall out of favor with investors in order to buy them at a discount to intrinsic value.
The sub-advisor will purchase stocks for the Fund’s portfolio when they meet the above criteria and when the sub-advisor believes that they have a limited risk of further decline. The sub-advisor will sell stocks when they are no longer considered to be good values.
The sub-advisor’s investment processes incorporate the sub-advisor’s environmental, social, and governance (“ESG”) analysis as a consideration in the assessment of all potential portfolio investments. However, as ESG information is just one investment consideration, ESG considerations are not solely determinative in any investment decision made by the sub-advisor. In addition, the sub-advisor does not use ESG considerations to limit, restrict or otherwise exclude companies or sectors from the Fund’s investment universe. The sub-advisor may use ESG research and/or ratings information provided by one or more third parties in performing this analysis and considering ESG risks.
The Fund may also invest cash balances in other investment companies, including government money market funds. The Fund may lend its securities to broker-dealers and other institutions to earn additional income.
Risk [Heading] rr_RiskHeading Principal Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock
There is no assurance that the Fund will achieve its investment objective and you could lose part or all of your investment in the Fund. The Fund is not designed for investors who need an assured level of current income and is intended to be a long-term investment. The Fund is not a complete investment program and may not be appropriate for all investors. Investors should carefully consider their own investment goals and risk tolerance before investing in the Fund. The principal risks of investing in the Fund listed below are presented in alphabetical order and not in order of importance or potential exposure. Among other matters, this presentation is intended to facilitate your ability to find particular risks and compare them with the risks of other funds. Each risk summarized below is considered a “principal risk” of investing in the Fund, regardless of the order in which it appears.
Asset Selection Risk
Assets selected for the Fund may not perform to expectations. The investment models used to manage the Fund may rely in part on data derived from third parties and may not perform as intended. This could result in the Fund’s underperformance compared to other funds with similar investment objectives.
Counterparty Risk
The Fund is subject to the risk that a party or participant to a transaction, such as a broker or a derivative counterparty, will be unwilling or unable to satisfy its obligation to make timely principal, interest or settlement payments or to otherwise honor its obligations to the Fund.
Currency Risk
The Fund may have exposure to foreign currencies by using various instruments. Foreign currencies may fluctuate significantly over short periods of time, may be affected unpredictably by intervention, or the failure to intervene, of the U.S. or foreign governments or central banks, and may be affected by currency controls or political developments in the U.S. or abroad. Foreign currencies may also decline in value relative to the U.S. dollar and other currencies and thereby affect the Fund’s investments.
Cybersecurity and Operational Risk
Operational risks arising from, among other problems, human errors, systems and technology disruptions or failures, or cybersecurity incidents may negatively impact the Fund and its service providers as well as the ability of shareholders to transact with the Fund. Cybersecurity incidents may allow an unauthorized party to gain access to Fund assets, shareholder data, or proprietary information, or cause the Fund or its service providers, as well as securities trading venues and their service providers, to suffer data corruption or lose operational functionality. It is not possible for the Fund or its service providers to identify all of the operational risks that may affect the Fund or to develop processes and controls to completely eliminate or mitigate their occurrence or effects. Most issuers in which the Fund invests are heavily dependent on computers for data storage and operations, and require ready access to the internet to conduct their business. Thus, cybersecurity incidents could also affect issuers of securities in which the Fund invests, leading to significant loss of value.
Emerging Markets Risk
When investing in emerging markets, the risks of investing in foreign securities are heightened. Emerging markets are generally smaller, less developed, less liquid and more volatile than the securities markets of the U.S. and other developed markets. There are also risks of: greater political or economic uncertainties; an economy’s dependence on revenues from particular commodities or on international aid or development assistance; currency transfer restrictions; a limited number of potential buyers for such securities resulting in increased volatility and limited liquidity for emerging market securities; trading suspensions and other restrictions on investment; delays and disruptions in securities settlement procedures; and significant limitations on investor rights and recourse. The governments of emerging market countries may also be more unstable and more likely to impose capital controls, nationalize a company or industry, place restrictions on foreign ownership and on withdrawing sale proceeds of securities from the country, intervene in the financial markets, and/or impose burdensome taxes that could adversely affect security prices. In addition, there may be less publicly available information about issuers in emerging markets than would be available about issuers in more developed capital markets, and such issuers may not be subject to accounting, auditing, financial reporting and recordkeeping standards and requirements comparable to those to which U.S. companies are subject.
Environmental, Social, and/or Governance Investing Risk
The use of environmental, social, and/or governance (“ESG”) considerations by the sub-advisor may cause the Fund to make different investments than funds that have a similar investment style but do not incorporate such considerations in their strategy. As with the use of any investment considerations involved in investment decisions, there is no guarantee that the use of any ESG investment considerations will result in the selection of issuers that will outperform other issuers or help reduce risk in the Fund. The Fund may underperform funds that do not incorporate these considerations.
Equity Investments Risk
Equity securities are subject to investment risk and market risk. The Fund may invest in the following equity securities, which may expose the Fund to the following additional risks:
■ Common Stock Risk. The value of a company’s common stock may fall as a result of factors affecting the company, companies in the same industry or sector, or the financial markets overall. Common stock generally is subordinate to preferred stock upon the liquidation or bankruptcy of the issuing company.
■ Depositary Receipts and U.S. Dollar-Denominated Foreign Stocks Traded on U.S. Exchanges Risk. Depositary receipts and U.S. dollar-denominated foreign stocks traded on U.S. exchanges are subject to certain of the risks associated with investing directly in foreign securities, including, but not limited to, currency exchange rate fluctuations, political and financial instability in the home country of a particular depositary receipt or foreign stock, less liquidity, more volatility, less government regulation and supervision and delays in transaction settlement.
■ Income Deposit Securities Risk. Although income deposit securities (“IDSs”), which are units representing shares of common stock and subordinated notes issued by a company, trade on an exchange, there may be a thinner and less active market for IDSs than that available for other securities. The value of an IDS will be affected by factors generally affecting both common stock and subordinated debt securities. IDSs are subject to credit risk, interest rate risk and dividend risk.
■ Income Trust Risk. Securities of income trusts, which hold income producing assets and pass the income on to security holders, share many of the risks inherent in stock ownership. Income trusts may also lack diversification and potential growth may be sacrificed because revenue is passed on to security holders, rather than reinvested in the business. Income trusts are subject to credit risk, interest rate risk and dividend risk.
■ Master Limited Partnerships (“MLPs”) Risk. Investing in MLPs involves certain risks related to investing in the underlying assets of the MLPs and risks associated with pooled investment vehicles. Investments held by MLPs may be relatively illiquid, limiting the MLPs’ ability to change their portfolios promptly in response to changes in economic or other conditions. MLPs may have limited financial resources, their securities may trade infrequently and in limited volume, they may be difficult to value, and they may be subject to more abrupt or erratic price movements than securities of larger or more broadly based companies. Holders of units in MLPs have more limited rights to vote on matters affecting the partnership and may be required to sell their common units at an undesirable time or price. The Fund’s investments in MLPs will be limited to no more than 25% of its assets in order for the Fund to meet the requirements necessary to qualify as a “regulated investment company” under the Internal Revenue Code of 1986, as amended (“Internal Revenue Code”).
■ Real Estate Investment Trusts (“REITs”) Risk. Investments in REITs are subject to the risks associated with investing in the real estate industry, including, among other risks: adverse developments affecting the real estate industry; declines in real property values; changes in interest rates; defaults by mortgagors or other borrowers and tenants; lack of availability of mortgage funds or financing; extended vacancies of properties, especially during economic downturns; casualty or condemnation losses; and governmental actions, such as changes to tax laws, zoning regulations or environmental regulations. REITs also are dependent upon the skills of their managers and are subject to heavy cash flow dependency or self-liquidation. Regardless of where a REIT is organized or traded, its performance may be affected significantly by events in the region where its properties are located. Domestic REITs could be adversely affected by failure to qualify for tax-free “pass-through” of distributed net income and net realized gains under the Internal Revenue Code of 1986, as amended (“Internal Revenue Code”), or to maintain their exemption from registration under the Investment Company Act of 1940, as amended (“Investment Company Act”). REITs typically incur fees that are separate from those incurred by the Fund. Accordingly, the Fund’s investment in REITs will result in the layering of expenses such that shareholders will indirectly bear a proportionate share of the REITs’ operating expenses, in addition to paying Fund expenses. The value of REIT common stock may decline when interest rates rise. REITs tend to be small- to mid-capitalization securities and, as such, are subject to the risks of investing in small- to mid-capitalization securities.
Focused Holdings Risk
Because the Fund may have a focused portfolio of fewer companies than other more diversified funds, the increase or decrease of the value of a single investment may have a greater impact on the Fund’s net asset value (“NAV”) and total return when compared to other diversified funds.
Foreign Currency Forward Contracts Risk
Foreign currency forward contracts, including non-deliverable forwards (“NDFs”), are derivative instruments pursuant to a contract where the parties agree to a fixed price for an agreed amount of foreign currency at an agreed date or to buy or sell a specific currency at a future date at a price set at the time of the contract. The use of foreign currency forward contracts may expose the Fund to additional risks, such as credit risk, liquidity risk, and counterparty risk, that it would not be subject to if it invested directly in the securities or currencies underlying the foreign currency forward contract. There are no limitations on daily price movements of forward contracts. There can be no assurance that any strategy used will succeed. Not all forward contracts, including NDFs, require a counterparty to post collateral, which may expose the Fund to greater losses in the event of a default by a counterparty. Forward currency transactions, including NDFs, and forward currency contracts include the risks associated with fluctuations in currency, and other risks inherent in trading derivatives.
Foreign Investing Risk
Non-U.S. investments carry potential risks not associated with U.S. investments. Such risks include, but are not limited to: (1) currency exchange rate fluctuations, (2) political and financial instability, (3) less liquidity, (4) lack of uniform accounting, auditing and financial reporting standards, (5) increased volatility, (6) different government regulation and supervision of foreign stock exchanges, brokers and listed companies, and (7) delays in transaction settlement in some foreign markets. The Fund’s investment in a foreign issuer may subject the Fund to regulatory, political, currency, security, economic and other risks associated with that country. Global economic and financial markets are becoming increasingly interconnected and conditions (including recent volatility and instability) and events (including natural disasters) in one country, region or financial market may adversely impact issuers in a different country, region or financial market.
Geographic Concentration Risk
From time to time, based on market or economic conditions, the Fund may invest a significant portion of its assets in the securities of issuers located in, or with significant economic ties to, a single country or geographic region, which could increase the risk that economic, political, business, regulatory, diplomatic, social and environmental conditions in that particular country or geographic region may have a significant impact on the Fund’s performance. Investing in such a manner could cause the Fund’s performance to be more volatile than the performance of more geographically diverse funds.
■ Japan Investment Risk. The Japanese economy is heavily dependent upon international trade and may be adversely affected by changes in international trade agreements, the economic conditions of its trading partners, the strength of the yen, and regional and global conflicts. The domestic Japanese economy faces several concerns, including large government deficits, a shrinking workforce, and, in some cases, companies with poor corporate governance. The Japanese Government’s tax and fiscal policies may have negative impacts on the Japanese economy. Japan is also heavily dependent on oil and other commodity imports, and higher commodity prices could therefore have a negative impact on the Japanese economy. Currency fluctuations, which have been significant at times, can have a considerable impact on exports and the overall Japanese economy. Natural disasters could occur in Japan and may have a significant impact on the business operations of Japanese companies in the affected regions and Japan’s economy. These and other factors could have a negative impact on the Fund’s performance and increase the volatility of an investment in the Fund.
Growth Companies Risk
Growth companies are expected to increase their earnings at a certain rate. When these expectations are not met or decrease, the prices of these stocks may decline, sometimes sharply, even if earnings showed an absolute increase. The Fund’s investments in growth companies may be more sensitive to company earnings and more volatile than the market in general primarily because their stock prices are based heavily on future expectations. If an assessment of the prospects for a company’s growth is incorrect, then the price of the company’s stock may fall or not approach the value placed on it. Growth company stocks may also lack the dividend yield that can cushion stock price declines in market downturns.
Hedging Risk
If the Fund uses a hedging instrument at the wrong time or judges the market conditions incorrectly, or the hedged instrument does not correlate to the risk sought to be hedged, the hedge might be unsuccessful, reduce the Fund’s return, or create a loss. In addition, hedges, even when successful in mitigating risk, may not prevent the Fund from experiencing losses on its investments. Hedging instruments may also reduce or eliminate gains that may otherwise have been available had the Fund not used the hedging instruments.
Investment Risk
An investment in the Fund is not a deposit with a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. When you sell your shares of the Fund, they could be worth less than what you paid for them. Therefore, you may lose money by investing in the Fund.
Issuer Risk
The value of, and/or the return generated by, a security may decline for a number of reasons that directly relate to the issuer, such as management performance, financial leverage and reduced demand for the issuer’s goods or services, as well as the historical and prospective earnings of the issuer and the value of its assets.
Large-Capitalization Companies Risk
The securities of large market capitalization companies may underperform other segments of the market because such companies may be less responsive to competitive challenges and opportunities and, at times, such companies may be out of favor with investors. Many larger-capitalization companies also may be unable to attain the high growth rates of successful smaller companies, especially during periods of economic expansion.
Market Risk
The Fund is subject to the risk that the securities markets will move down, sometimes rapidly and unpredictably, based on overall economic conditions and other factors, which may negatively affect the Fund’s performance. Equity securities generally have greater price volatility than fixed income securities, although under certain market conditions fixed income securities may have comparable or greater price volatility. During a general downturn in the securities markets, multiple assets may decline in value simultaneously. Prices in many financial markets have increased significantly over the last decade, but there have also been periods of adverse market and financial developments and cyclical change during that timeframe, which have resulted in unusually high levels of volatility in domestic and foreign financial markets that has caused losses for investors and may occur again in the future. The value of a security may decline due to adverse issuer-specific conditions, general market conditions unrelated to a particular issuer, such as changes in interest or inflation rates, or factors that affect a particular industry or industries. Changes in the financial condition of a single issuer or market segment also can impact the market as a whole. Geopolitical and other events, including war, terrorism, economic uncertainty, trade disputes, pandemics, public health crises, natural disasters and related events have led, and in the future may continue to lead, to instability in world economies and markets generally and reduced liquidity in equity, credit and fixed-income markets, which may disrupt economies and markets and adversely affect the value of your investment. Changes in value may be temporary or may last for extended periods.
Policy changes by the U.S. government and/or Federal Reserve and political events within the U.S. and abroad, such as changes in the U.S. presidential administration and Congress, the U.S. government’s inability at times to agree on a long-term budget and deficit reduction plan, the threat of a federal government shutdown and threats not to increase the federal government’s debt limit, may affect investor and consumer confidence and may adversely impact financial markets and the broader economy, perhaps suddenly and to a significant degree.
Markets and market participants are increasingly reliant upon both publicly available and proprietary information data systems. Data imprecision, software or other technology malfunctions, programming inaccuracies, unauthorized use or access, and similar circumstances may impair the performance of these systems and may have an adverse impact upon a single issuer, a group of issuers, or the market at large.
The financial markets generally move in cycles, with periods of rising prices followed by periods of declining prices. The value of your investment may reflect these fluctuations.
■ Recent Market Events Risk. An outbreak of infectious respiratory illness caused by a novel coronavirus, known as COVID-19, was first detected in late 2019 and has subsequently spread globally. The transmission of COVID-19 and efforts to contain its spread have resulted, and may continue to result, in significant disruptions to business operations, widespread business closures and layoffs, travel restrictions and closed borders, prolonged quarantines and stay-at-home orders, disruption of and delays in healthcare service preparation and delivery, service and event changes, and lower consumer demand, as well as general concern and uncertainty that has negatively affected the global economy. The impact of the pandemic has negatively affected and may continue to affect the economies of many nations, individual companies and the global securities and commodities markets, including their liquidity, in ways that cannot necessarily be foreseen at the present time. The pandemic has accelerated trends toward working remotely and shopping on-line, which may negatively affect the value of office and commercial real estate and companies that have been slow to transition to an on-line business model and has disrupted the supply chains that many businesses depend on. The travel, hospitality and public transit industries may suffer long-term negative effects from the pandemic and resulting changes to public behavior. Both U.S. and international markets have experienced significant volatility in recent months and years. As a result of such volatility, investment returns may fluctuate significantly. Moreover, the risks discussed herein associated with an investment in the Fund may be increased.
  The Federal Reserve has spent hundreds of billions of dollars to keep credit flowing through the economy. However, the Federal Reserve recently began to reduce its interventions as the economy improved and inflation accelerated. Concerns about the markets’ dependence on the Federal Reserve’s provision of liquidity have grown as a result. High public debt in the U.S. and other countries creates ongoing systemic and market risks and policymaking uncertainty, and there may be a further increase in public debt due to the economic effects of the COVID-19 pandemic and ensuing economic relief and public health measures. Governments’ efforts to limit potential negative economic effects of the pandemic may be altered, delayed, or eliminated at inopportune times for political, policy or other reasons.
  Interest rates have been unusually low in recent years in the U.S. and abroad, and central banks reduced rates further in an effort to combat the economic effects of the COVID-19 pandemic. Because there is little precedent for this situation, it is difficult to predict the impact on various markets of a significant rate increase or other significant policy changes. The U.S. Federal Reserve is anticipated to raise interest rates beginning in 2022, in part to address an
  increase in the annual inflation rate in the U.S. Over the longer term, rising interest rates may present a greater risk than has historically been the case due to the current period of relatively low rates and the effect of government fiscal and monetary policy initiatives and potential market reaction to those initiatives or their alteration or cessation.
  Slowing global economic growth, risks associated with the United Kingdom’s departure from the European Union on December 31, 2020, commonly referred to as “Brexit,” and a trade agreement between the United Kingdom and the European Union, the risks associated with ongoing trade negotiations with China, the possibility of changes to some international trade agreements, tensions or open conflict between nations, such as between Russia and Ukraine, or political or economic dysfunction within some nations that are major producers of oil could affect the economies of many nations, including the United States, in ways that cannot necessarily be foreseen at the present time.
  Economists and others have expressed increasing concern about the potential effects of global climate change on property and security values. Certain issuers, industries and regions may be adversely affected by the impacts of climate change, including on the demand for and the development of goods and services and related production costs, and the impacts of legislation, regulation and international accords related to climate change, as well as any indirect consequences of regulation or business trends driven by climate change.
Market Timing Risk
The Fund is subject to the risk of market timing activities by investors due to the nature of the Fund’s investments, which requires the Fund, in certain instances, to fair value certain of its investments. Some investors may engage in frequent short-term trading in the Fund to take advantage of any price differentials that may be reflected in the net asset value (“NAV”) of the Fund’s shares. Frequent trading by Fund shareholders poses risks to other shareholders in the Fund, including (i) the dilution of the Fund’s NAV, (ii) an increase in the Fund’s expenses, and (iii) interference with the ability to execute efficient investment strategies.
Mid-Capitalization Companies Risk
Investing in the securities of mid-capitalization companies involves greater risk and the possibility of greater price volatility, which at times can be rapid and unpredictable, than investing in larger-capitalization and more established companies. Since mid-capitalization companies may have narrower commercial markets and more limited operating history, product lines, and managerial and financial resources than larger, more established companies, the securities of these companies may lack sufficient market liquidity, and they can be particularly sensitive to changes in overall economic conditions, interest rates, borrowing costs and earnings.
Other Investment Companies Risk
To the extent that the Fund invests in shares of other registered investment companies, the Fund will indirectly bear the fees and expenses charged by those investment companies in addition to the Fund’s direct fees and expenses. To the extent the Fund invests in other investment companies that invest in equity securities, fixed income securities and/or foreign securities, or that track an index, the Fund is subject to the risks associated with the underlying investments held by the investment company or the index fluctuations to which the investment company is subject. The Fund will be subject to the risks associated with investments in those companies, including but not limited to the following:
■ Government Money Market Funds Risk. Investments in government money market funds are subject to interest rate risk, credit risk, and market risk.
Preferred Stock Risk
Preferred stocks are sensitive to movements in interest rates. Preferred stocks may be less liquid than common stocks and, unlike common stocks, participation in the growth of an issuer may be limited. Distributions on preferred stocks generally are payable at the discretion of an issuer and after required payments to bond holders. In certain situations, an issuer may call or redeem its preferred stock or convert it to common stock. The market prices of preferred stocks are generally more sensitive to actual or perceived changes in the issuer’s financial condition or prospects than are the prices of debt securities.
Redemption Risk
The Fund may experience periods of high levels of redemptions that could cause the Fund to sell assets at inopportune times or at a loss or depressed value. The sale of assets to meet redemption requests may create net capital gains, which could cause the Fund to have to distribute substantial capital gains. Redemption risk is greater to the extent that one or more investors or intermediaries control a large percentage of investments in the Fund. In addition, redemption risk is heightened during periods of declining or illiquid markets. A rise in interest rates or other market developments may cause investors to move out of fixed income securities on a large scale. During periods of heavy redemptions, the Fund may borrow funds through the interfund credit facility or from a bank line of credit, which may increase costs. Heavy redemptions could hurt the Fund’s performance.
Sector Risk
When the Fund focuses its investments in certain sectors of the economy, its performance may be driven largely by sector performance and could fluctuate more widely than if the Fund were invested more evenly across sectors. Individual sectors may be more volatile, and may perform differently, than the broader market. As the Fund’s portfolio changes over time, the Fund’s exposure to a particular sector may become higher or lower.
■ Industrials Sector Risk. The industrials sector includes companies engaged in the construction and engineering industry, machinery, energy, transportation, professional services, aerospace and defense industries. Companies in the industrials sector may be adversely affected by changes in government regulation, world events and economic conditions. In addition, companies in the industrials sector may be adversely affected by environmental damage, product and environmental liability claims, changes in commodity prices and exchange rates, changes in the supply and demand for products and services, and product obsolescence, among other factors.
Securities Lending Risk
To the extent the Fund lends its securities, it may be subject to the following risks: i) the securities in which the Fund reinvests cash collateral may decrease in value, causing the Fund to incur a loss, or may not perform sufficiently to cover the Fund’s payment to the borrower of a pre-negotiated fee or “rebate” for the use of that cash collateral in connection with the loan; ii) non-cash collateral may decline in value, resulting in the Fund becoming under-secured; iii) delays may occur in the recovery of loaned securities from borrowers, which could result in the Fund being unable to vote proxies or settle transactions or cause the Fund to incur increased costs; and iv) if the borrower becomes subject to insolvency or similar proceedings, the Fund could incur delays in its ability to enforce its rights in its collateral.
Securities Selection Risk
Securities selected for the Fund may not perform to expectations. This could result in the Fund’s underperformance compared to its benchmark index(es), or other funds with similar investment objectives or strategies.
Valuation Risk
The Fund may value certain assets at a price different from the price at which they can be sold. This risk may be especially pronounced for investments that are illiquid or may become illiquid, or securities that trade in relatively thin markets and/or markets that experience extreme volatility. The Fund’s ability to value its investments in an accurate and timely manner may be impacted by technological issues and/or errors by third party service providers, such as pricing services or accounting agents.
Value Stocks Risk
Value stocks are subject to the risk that their intrinsic or full value may never be realized by the market, that a stock judged to be undervalued may be appropriately priced, or that their prices may decline. Although value stocks tend to be inexpensive relative to their earnings, they can continue to be inexpensive for long periods of time. The Fund’s investments in value stocks seek to limit potential downside price risk over time; however, value stock prices still may decline substantially. In addition, the Fund may produce more modest gains as a trade-off for this potentially lower risk. The Fund’s investment in value stocks could cause the Fund to underperform funds that use a growth or non-value approach to investing or have a broader investment style.
Risk Lose Money [Text] rr_RiskLoseMoney There is no assurance that the Fund will achieve its investment objective and you could lose part or all of your investment in the Fund.
Risk Not Insured Depository Institution [Text] rr_RiskNotInsuredDepositoryInstitution An investment in the Fund is not a deposit with a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Fund Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock
The bar chart and table below provide an indication of risk by showing changes in the Fund’s performance over time. The bar chart shows how the Fund’s performance has varied from year to year. The table shows how the Fund’s average annual total returns compare to a broad-based market index, which is the Fund’s benchmark index and was the benchmark index of the Fund’s predecessor, for the periods indicated.
Each of the Fund’s share classes commenced operations on January 22, 2019. The Fund acquired the assets and liabilities of The Tocqueville International Value Fund, a series of The Tocqueville Trust, in a reorganization that closed upon the close of business on January 18, 2019. In connection with that reorganization, the Investor Class shares of the Fund have adopted the performance history and financial statements of the Fund’s predecessor. In the bar chart and table below, the performance of the Fund’s Investor Class shares for periods prior to January 22, 2019 is the performance of the shares of the Fund’s predecessor. In the table below, the performance of the Y Class and R5 Class shares for periods prior to January 22, 2019 represents the returns of the shares of the Fund’s predecessor. The Y Class and R5 Class shares would have had similar annual returns to the shares of the Fund’s predecessor because the shares of each class represent investments in the same portfolio securities. However, the shares of the Fund’s predecessor had different expenses than the Y Class and R5 Class shares, which would affect performance. The Y Class and R5 Class performance shown in the table below has not been adjusted for differences in operating expenses between those share classes and the shares of the predecessor fund. You may obtain updated performance information on the Fund’s website at www.americanbeaconfunds.com. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The bar chart and table below provide an indication of risk by showing changes in the Fund’s performance over time. The bar chart shows how the Fund’s performance has varied from year to year. The table shows how the Fund’s average annual total returns compare to a broad-based market index, which is the Fund’s benchmark index and was the benchmark index of the Fund’s predecessor, for the periods indicated.
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.americanbeaconfunds.com
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Bar Chart [Heading] rr_BarChartHeading Calendar year total returns for Investor Class Shares. Year Ended 12/31
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local income taxes.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred If you are a tax-exempt entity or hold your Fund shares through a tax-deferred arrangement, such as an individual retirement account (“IRA”) or a 401(k) plan, the after-tax returns do not apply to your situation.
Performance Table One Class of after Tax Shown [Text] rr_PerformanceTableOneClassOfAfterTaxShown After-tax returns are shown only for Investor Class shares of the Fund; after-tax returns for other share classes will vary.
Performance Table Explanation after Tax Higher rr_PerformanceTableExplanationAfterTaxHigher The return after taxes on distributions and sale of Fund shares may exceed the return before taxes due to an assumed tax benefit from any losses on a sale of Fund shares at the end of the measurement period.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Quarterly Return:
15.97%2nd Quarter 2020
01/01/2012 through 12/31/2021
Lowest Quarterly Return:
-23.42%1st Quarter 2020
01/01/2012 through 12/31/2021
Performance Table Heading rr_PerformanceTableHeading Average annual total returns for periods ended December 31, 2021
Performance Table Closing [Text Block] rr_PerformanceTableClosingTextBlock
After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local income taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. The return after taxes on distributions and sale of Fund shares may exceed the return before taxes due to an assumed tax benefit from any losses on a sale of Fund shares at the end of the measurement period. If you are a tax-exempt entity or hold your Fund shares through a tax-deferred arrangement, such as an individual retirement account (“IRA”) or a 401(k) plan, the after-tax returns do not apply to your situation. After-tax returns are shown only for Investor Class shares of the Fund; after-tax returns for other share classes will vary.
(American Beacon Tocqueville International Value Fund) | (American Beacon Tocqueville International Value Fund℠) | MSCI® EAFE Index (Net) (Reflects no deduction for fees, expenses, or taxes, other than withholding taxes, as noted)  
Prospectus: rr_ProspectusTable  
1 Year rr_AverageAnnualReturnYear01 11.26% [1]
5 Years rr_AverageAnnualReturnYear05 9.55% [1]
10 Years rr_AverageAnnualReturnYear10 8.03% [1]
(American Beacon Tocqueville International Value Fund) | (American Beacon Tocqueville International Value Fund℠) | Y Class  
Prospectus: rr_ProspectusTable  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage) rr_MaximumDeferredSalesChargeOverOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.75%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.23% [2],[3]
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 0.98%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets none [4]
Total Annual Fund Operating Expenses After Expense Reimbursement rr_NetExpensesOverAssets 0.98%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 100
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 312
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 542
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,201
1 Year rr_AverageAnnualReturnYear01 7.67%
5 Years rr_AverageAnnualReturnYear05 7.65%
10 Years rr_AverageAnnualReturnYear10 7.82%
Inception Date of Class rr_AverageAnnualReturnInceptionDate Jan. 22, 2019
(American Beacon Tocqueville International Value Fund) | (American Beacon Tocqueville International Value Fund℠) | R5 Class  
Prospectus: rr_ProspectusTable  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage) rr_MaximumDeferredSalesChargeOverOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.75%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.17% [2],[3]
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 0.92%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.01%) [4]
Total Annual Fund Operating Expenses After Expense Reimbursement rr_NetExpensesOverAssets 0.91%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 93
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 292
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 508
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,130
1 Year rr_AverageAnnualReturnYear01 7.77%
5 Years rr_AverageAnnualReturnYear05 7.71%
10 Years rr_AverageAnnualReturnYear10 7.85%
Inception Date of Class rr_AverageAnnualReturnInceptionDate Jan. 22, 2019
(American Beacon Tocqueville International Value Fund) | (American Beacon Tocqueville International Value Fund℠) | Investor Class  
Prospectus: rr_ProspectusTable  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage) rr_MaximumDeferredSalesChargeOverOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.75%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.45% [2],[3]
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.20%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets none [4]
Total Annual Fund Operating Expenses After Expense Reimbursement rr_NetExpensesOverAssets 1.20%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 122
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 381
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 660
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,455
Annual Return 2012 rr_AnnualReturn2012 13.33%
Annual Return 2013 rr_AnnualReturn2013 22.06%
Annual Return 2014 rr_AnnualReturn2014 (4.37%)
Annual Return 2015 rr_AnnualReturn2015 7.27%
Annual Return 2016 rr_AnnualReturn2016 3.46%
Annual Return 2017 rr_AnnualReturn2017 24.18%
Annual Return 2018 rr_AnnualReturn2018 (19.89%)
Annual Return 2019 rr_AnnualReturn2019 19.38%
Annual Return 2020 rr_AnnualReturn2020 12.61%
Annual Return 2021 rr_AnnualReturn2021 7.49%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Quarterly Return:15.97%2nd Quarter 202001/01/2012 through 12/31/2021
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 15.97%
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Jun. 30, 2020
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Quarterly Return:-23.42%1st Quarter 202001/01/2012 through 12/31/2021
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (23.42%)
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Mar. 31, 2020
1 Year rr_AverageAnnualReturnYear01 7.49%
5 Years rr_AverageAnnualReturnYear05 7.53%
10 Years rr_AverageAnnualReturnYear10 7.76%
Inception Date of Class rr_AverageAnnualReturnInceptionDate Aug. 01, 1994
(American Beacon Tocqueville International Value Fund) | (American Beacon Tocqueville International Value Fund℠) | Investor Class | Returns After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
1 Year rr_AverageAnnualReturnYear01 7.01%
5 Years rr_AverageAnnualReturnYear05 7.38%
10 Years rr_AverageAnnualReturnYear10 7.44%
(American Beacon Tocqueville International Value Fund) | (American Beacon Tocqueville International Value Fund℠) | Investor Class | Returns After Taxes on Distributions and Sales of Fund Shares  
Prospectus: rr_ProspectusTable  
1 Year rr_AverageAnnualReturnYear01 5.50%
5 Years rr_AverageAnnualReturnYear05 6.16%
10 Years rr_AverageAnnualReturnYear10 6.44%
[1]
* Reflects the reinvestment of dividends after the deduction of withholding taxes, using a tax rate applicable to non-resident individuals who do not benefit from double taxation treaties.
[2]
1 During the fiscal year ended October 31, 2021, the Fund paid amounts to American Beacon Advisors, Inc. (the “Manager”) that were previously waived and/or reimbursed by the Manager under a contractual fee waiver/expense reimbursement agreement for the Fund’s R5 Class shares in the amount of 0.01%.
[3]
2 Other Expenses for all share classes include 0.02% securities lending expenses.
[4]
3 The Manager has contractually agreed to waive fees and/or reimburse expenses of the Fund’s R5 Class through February 28, 2023 to the extent that Total Annual Fund Operating Expenses exceed 0.89% for the R5 Class (excluding taxes, interest, brokerage commissions, acquired fund fees and expenses, securities lending fees, expenses associated with securities sold short, litigation, and other extraordinary expenses). The contractual expense reimbursement can be changed or terminated only in the discretion and with the approval of a majority of the Fund’s Board of Trustees. The Manager will itself waive fees and/or reimburse expenses of the Fund to maintain the contractual expense ratio caps for each applicable class of shares or make arrangements with other service providers to do so. The Manager may also, from time to time, voluntarily waive fees and/or reimburse expenses of the Fund. The Manager can be reimbursed by the Fund for any contractual or voluntary fee waivers or expense reimbursements if reimbursement to the Manager (a) occurs within three years from the date of the Manager’s waiver/reimbursement and (b) does not cause the Total Annual Fund Operating Expenses of a class to exceed the lesser of the contractual percentage limit in effect at the time of the waiver/reimbursement or the time of the recoupment.