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Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Document Type dei_DocumentType 485BPOS
Document Period End Date dei_DocumentPeriodEndDate Dec. 31, 2011
Registrant Name dei_EntityRegistrantName AMERICAN BEACON FUNDS
Central Index Key dei_EntityCentralIndexKey 0000809593
Amendment Flag dei_AmendmentFlag false
Document Creation Date dei_DocumentCreationDate Mar. 22, 2012
Document Effective Date dei_DocumentEffectiveDate Mar. 23, 2012
Prospectus Date rr_ProspectusDate Mar. 23, 2012
American Beacon Holland Large Cap Growth Fund℠
  
Risk/Return: rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading American Beacon Holland Large Cap Growth FundSM
Objective [Heading] rr_ObjectiveHeading Investment Objective
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock The Fund primarily seeks long-term growth of capital.
Objective, Secondary [Text Block] rr_ObjectiveSecondaryTextBlock The receipt of dividend income is a secondary consideration.
Fees and Expenses of the Fund abf809593_FundFeesAndExpensesAbstract  
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 and hold shares of the Fund. You may qualify for sales discounts if you and your eligible family members invest, or agree to invest in the future, at least $50,000 in the A Class shares of the American Beacon Funds. More information about these and other discounts is available from your financial professional and in “Choosing Your Share Class” on page 11 of the prospectus and “Additional Purchase and Sale Information for A Class Shares” on page 37 of the statement of additional information.
Expense Breakpoint Discounts abf809593_ExpenseBreakpointDiscountsAbstract  
Expense Breakpoint Discounts [Text] rr_ExpenseBreakpointDiscounts You may qualify for sales discounts if you and your eligible family members invest, or agree to invest in the future, at least $50,000 in the A Class shares of the American Beacon Funds. More information about these and other discounts is available from your financial professional and in “Choosing Your Share Class” on page 11 of the prospectus and “Additional Purchase and Sale Information for A Class Shares” on page 37 of the statement of additional information.
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount 50,000
Shareholder Fees rr_ShareholderFeesAbstract  
Shareholder Fees Caption [Text] rr_ShareholderFeesCaption Shareholder Fees (fees paid directly from your investment)
Annual Fund Operating Expenses rr_OperatingExpensesAbstract  
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)
Other Expenses, New Fund, Based on Estimates [Text] rr_OtherExpensesNewFundBasedOnEstimates Expenses are based on estimated amounts for the current fiscal year.
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination April 30, 2014
Example rr_ExpenseExampleAbstract  
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. Although your actual costs may be higher or lower, based on these assumptions, your costs would be:
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption Share classes
Expense Example, No Redemption rr_ExpenseExampleNoRedemptionAbstract  
Expense Example, No Redemption, By Year, Caption [Text] rr_ExpenseExampleNoRedemptionByYearCaption Assuming no redemption of shares:
Portfolio Turnover abf809593_PortfolioTurnoverAltAbstract  
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. Portfolio turnover rate for the Fund’s last fiscal year is not provided because the Fund has not commenced operations prior to the date of this Prospectus.
Strategy [Heading] rr_StrategyHeading Principal Investment Strategies
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock

The Fund seeks to achieve its investment objective by investing primarily in equity securities of large-capitalization growth companies. Under normal market conditions, the Fund will invest at least 80% of its net assets (plus the amount of any borrowing for investment purposes) in equity securities of large market capitalization companies at the time of purchase.

The Fund considers large market capitalization companies to be companies that have market capitalizations within the market capitalizations of the companies in the Russell 1000® Index at the time of investment. The Russell 1000 Index measures the performance of approximately 1,000 of the largest U.S. companies based on total market capitalization. As of December 31, 2011, the market capitalizations of the companies in the Russell 1000 Index ranged from $36 million to $417.5 billion.

In pursuing its investment objective, the Fund maintains a diversified portfolio of equity securities of companies that the Fund’s sub-advisor, Holland Capital Management LLC, regards as high quality companies based on earnings growth faster than the general market, reasonable valuations, strong financial condition, strong management and superior industry positions. Equity securities include common stocks, preferred stocks, securities convertible into common stock, real estate investment trusts (“REITs”) and American Depositary Receipts (“ADRs”). The Fund invests primarily in U.S. companies. The Fund may invest up to 20% of its total assets in securities of foreign issuers that exhibit the growth characteristics mentioned above.

The Fund may invest cash balances in other investment companies and may purchase and sell futures contracts to gain market exposure on cash balances or reduce market exposure in anticipation of liquidity needs.
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 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 are:

Equity Securities Risk

Equity securities are subject to market risk. The Fund’s investments in equity securities may include common stocks, preferred stocks, securities convertible into common stocks, REITs and ADRs. Investing in such securities may expose the Fund to additional risks.

Common stock generally is subordinate to preferred stock upon the liquidation or bankruptcy of the issuing company. Preferred stocks and convertible securities are sensitive to movements in interest rates. In addition, convertible securities are subject to the risk that the credit standing of the issuer may have an effect on the convertible securities’ investment value. Investments in REITs are subject to the risks associated with investing in the real estate industry such as adverse developments affecting the real estate industry and real property values. Investments in ADRs are subject to certain of the risks associated with investing directly in foreign securities.

Focused Holdings Risk

Because the Fund may have a focused portfolio of fewer companies, the increase or decrease of the value of a single stock may have a greater impact on the Fund’s net asset value (“NAV”) and total return when compared to other diversified funds.

Foreign Exposure Risk

The Fund may invest in securities issued by foreign companies through ADRs. ADRs are subject to many of the risks inherent in investing in foreign securities, including, but not limited to, currency fluctuations and political and financial instability in the home country of a particular ADR.

Futures Contract Risk

Futures contracts are a type of derivative instrument. A derivative refers to any financial investment whose value is derived, at least in part, from the price of another security or a specified index, asset or rate. The use of derivatives presents risks different from, and possibly greater than, the risks associated with investing directly in traditional securities. Gains or losses in a derivative may be magnified and may be much greater than the derivative’s original cost.

There may be an imperfect correlation between the changes in market value of the securities held by the Fund and the prices of futures contracts. There may not be a liquid secondary market for the futures contract. When the Fund purchases or sells a futures contract, it is subject to daily variation margin calls that could be substantial in the event of adverse price movements. If the Fund has insufficient cash to meet daily variation margin requirements, it might need to sell securities at a time when such sales are disadvantageous.

Growth Companies Risk

Growth companies are expected to increase their earnings at a certain rate. When these expectations are not met, the prices of these stocks may go down, even if earnings showed an absolute increase. Growth company stocks may lack the dividend yield that can cushion stock prices in market downturns. Different investment styles tend to shift in and out of favor, depending on market conditions and investor sentiment. The Fund’s growth style could cause the Fund to underperform funds that use a value or non-growth approach to investing or have a broader investment style.

Investment Risk

An investment in the Fund is not a deposit of 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.

Large Capitalization Company 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 may be unable to attain high growth rates during periods of economic expansion.

Market Events

Turbulence in financial markets and reduced liquidity in equity, credit and fixed-income markets may negatively affect many issuers worldwide which may have an adverse effect on the Fund.

Market Risk

Since this Fund invests most of its assets in stocks, it is subject to stock market risk. Market risk involves the possibility that the value of the Fund’s investments in stocks will vary from day to day in response to the activities of individual companies, as well as general market, regulatory, political and economic conditions. From time to time, certain securities held by the Fund may have limited marketability and may be difficult to sell at favorable times or prices. If the Fund is forced to sell such securities to meet redemption requests or other cash needs, the Fund may have to sell them at a loss.

Other Investment Companies Risk

The Fund may invest in shares of other registered investment companies, including open-end funds, exchange-traded funds and money market funds. To the extent that the Fund invests in shares of other registered investment companies, you will indirectly bear fees and expenses charged by the underlying funds in addition to the Fund’s direct fees and expenses and will be subject to the risks associated with investments in those funds.

Securities Selection Risk

Securities selected by the Manager or the sub-advisor for the Fund may not perform to expectations. This could result in the Fund’s underperformance compared to other funds with similar investment objectives.
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 of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.
Fund Performance abf809593_FundPastPerformanceAbstract  
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 how the Fund’s performance has varied from year to year. The table shows how the Fund’s performance compares to the Russell 1000® Growth Index, a broad measure of market performance.

The Investor Class, A Class and Institutional Class shares of the Fund have adopted the performance history and financial statements of the Investor Shares, A Shares and Institutional Shares, respectively, of the Fund’s predecessor. The chart below shows the performance of the Fund’s Investor Class shares for all periods. The table below shows the performance information of the Fund’s Investor Class, A Class and Institutional Class shares of the Fund. The Fund’s predecessor began offering A Class shares on February 1, 2010 and Institutional Class shares on March 1, 2010. In the table below, the performance of the Investor Class shares is shown for the A Class and Institutional Class shares prior to the dates such newer classes were first offered. In each case, the Investor Class would have had similar annual returns to the newer share classes because the shares are invested in the same portfolio securities. However, because the Investor Class had lower expenses than the A Class, its performance was better than the A Class would have realized in the same period. Since the Investor Class had higher expenses than the Institutional Class, its performance was lower than the Institutional Class would have realized in the same period. The performance of the Fund and the Fund’s predecessor do not reflect sales charges. If sales charges were reflected, returns would be lower. 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 how the Fund’s performance has varied from year to year.
Performance Additional Market Index [Text] rr_PerformanceAdditionalMarketIndex The table shows how the Fund’s performance compares to the Russell 1000® Growth Index, a broad measure of market performance.
Bar Chart Does Not Reflect Sales Loads [Text] rr_BarChartDoesNotReflectSalesLoads The performance of the Fund and the Fund’s predecessor do not reflect sales charges. If sales charges were reflected, returns would be lower.
Performance Table Closing [Text Block] rr_PerformanceTableClosingTextBlock You may obtain updated performance information on the Fund’s website at www.americanbeaconfunds.com.
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.
Annual Total Returns rr_BarChartTableAbstract  
Bar Chart [Heading] rr_BarChartHeading Calendar year total returns for Investor Class shares
Annual Return Caption [Text] rr_AnnualReturnCaption Year-By-Year Percentage Returns as of 12/31 of Each Year
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock

Highest Quarterly Return: 17.07%

(1/1/02 through 12/31/11) (2nd Quarter 2009)

Lowest Quarterly Return: -21.57%

(1/1/02 through 12/31/11) (4th Quarter 2008)
Average Annual Total Returns rr_AverageAnnualReturnAbstract  
Performance Table Heading rr_PerformanceTableHeading Average Annual Total Returns For the periods ended December 31, 2011 [1]
Performance Table One Class of after Tax Shown [Text] rr_PerformanceTableOneClassOfAfterTaxShown After-tax returns are shown only for Investor Class shares; after-tax returns for other share classes will vary.
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. If you hold your Fund shares through a tax-deferred arrangement, such as an individual retirement account or a 401(k), the after-tax returns do not apply to your situation.
American Beacon Holland Large Cap Growth Fund℠ | A
  
Shareholder Fees rr_ShareholderFeesAbstract  
Share classes rr_ShareholderFeesColumnName A
Maximum sales charge imposed on purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 5.75%
Maximum deferred sales charge load (as a percentage of the lower of original offering price or redemption proceeds) rr_MaximumDeferredSalesChargeOverOther none
Annual Fund Operating Expenses rr_OperatingExpensesAbstract  
Share classes rr_OperatingExpensesColumnName A
Management fees rr_ManagementFeesOverAssets 0.45%
Distribution and/or service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other expenses rr_OtherExpensesOverAssets 0.77% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 1.47%
Expense reduction and reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.08%)
Total annual fund operating expenses after expense reduction and reimbursement rr_NetExpensesOverAssets 1.39% [3]
Example rr_ExpenseExampleAbstract  
Share classes rr_ExpenseExampleByYearColumnName A
1 year rr_ExpenseExampleYear01 708
3 years rr_ExpenseExampleYear03 997
American Beacon Holland Large Cap Growth Fund℠ | C
  
Shareholder Fees rr_ShareholderFeesAbstract  
Share classes rr_ShareholderFeesColumnName C
Maximum sales charge imposed on purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum deferred sales charge load (as a percentage of the lower of original offering price or redemption proceeds) rr_MaximumDeferredSalesChargeOverOther 1.00%
Annual Fund Operating Expenses rr_OperatingExpensesAbstract  
Share classes rr_OperatingExpensesColumnName C
Management fees rr_ManagementFeesOverAssets 0.45%
Distribution and/or service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other expenses rr_OtherExpensesOverAssets 0.77% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.22%
Expense reduction and reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.08%)
Total annual fund operating expenses after expense reduction and reimbursement rr_NetExpensesOverAssets 2.14% [3]
Example rr_ExpenseExampleAbstract  
Share classes rr_ExpenseExampleByYearColumnName C
1 year rr_ExpenseExampleYear01 317
3 years rr_ExpenseExampleYear03 678
Expense Example, No Redemption rr_ExpenseExampleNoRedemptionAbstract  
Share classes rr_ExpenseExampleNoRedemptionByYearColumnName C
1 year rr_ExpenseExampleNoRedemptionYear01 217
3 years rr_ExpenseExampleNoRedemptionYear03 678
American Beacon Holland Large Cap Growth Fund℠ | Institutional
  
Shareholder Fees rr_ShareholderFeesAbstract  
Share classes rr_ShareholderFeesColumnName Institutional
Maximum sales charge imposed on purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum deferred sales charge load (as a percentage of the lower of original offering price or redemption proceeds) rr_MaximumDeferredSalesChargeOverOther none
Annual Fund Operating Expenses rr_OperatingExpensesAbstract  
Share classes rr_OperatingExpensesColumnName Institutional
Management fees rr_ManagementFeesOverAssets 0.45%
Distribution and/or service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.52% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 0.97%
Expense reduction and reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.08%)
Total annual fund operating expenses after expense reduction and reimbursement rr_NetExpensesOverAssets 0.89% [3]
Example rr_ExpenseExampleAbstract  
Share classes rr_ExpenseExampleByYearColumnName Institutional
1 year rr_ExpenseExampleYear01 91
3 years rr_ExpenseExampleYear03 292
American Beacon Holland Large Cap Growth Fund℠ | Y
  
Shareholder Fees rr_ShareholderFeesAbstract  
Share classes rr_ShareholderFeesColumnName Y
Maximum sales charge imposed on purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum deferred sales charge load (as a percentage of the lower of original offering price or redemption proceeds) rr_MaximumDeferredSalesChargeOverOther none
Annual Fund Operating Expenses rr_OperatingExpensesAbstract  
Share classes rr_OperatingExpensesColumnName Y
Management fees rr_ManagementFeesOverAssets 0.45%
Distribution and/or service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.62% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 1.07%
Expense reduction and reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.08%)
Total annual fund operating expenses after expense reduction and reimbursement rr_NetExpensesOverAssets 0.99% [3]
Example rr_ExpenseExampleAbstract  
Share classes rr_ExpenseExampleByYearColumnName Y
1 year rr_ExpenseExampleYear01 101
3 years rr_ExpenseExampleYear03 323
American Beacon Holland Large Cap Growth Fund℠ | Investor
  
Shareholder Fees rr_ShareholderFeesAbstract  
Share classes rr_ShareholderFeesColumnName Investor
Maximum sales charge imposed on purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum deferred sales charge load (as a percentage of the lower of original offering price or redemption proceeds) rr_MaximumDeferredSalesChargeOverOther none
Annual Fund Operating Expenses rr_OperatingExpensesAbstract  
Share classes rr_OperatingExpensesColumnName Investor
Management fees rr_ManagementFeesOverAssets 0.45%
Distribution and/or service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.89% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 1.34%
Expense reduction and reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.07%)
Total annual fund operating expenses after expense reduction and reimbursement rr_NetExpensesOverAssets 1.27% [3]
Example rr_ExpenseExampleAbstract  
Share classes rr_ExpenseExampleByYearColumnName Investor
1 year rr_ExpenseExampleYear01 129
3 years rr_ExpenseExampleYear03 410
Annual Total Returns rr_BarChartTableAbstract  
2002 rr_AnnualReturn2002 (21.48%)
2003 rr_AnnualReturn2003 27.66%
2004 rr_AnnualReturn2004 11.21%
2005 rr_AnnualReturn2005 (0.80%)
2006 rr_AnnualReturn2006 5.23%
2007 rr_AnnualReturn2007 9.40%
2008 rr_AnnualReturn2008 (34.83%)
2009 rr_AnnualReturn2009 39.07%
2010 rr_AnnualReturn2010 14.03%
2011 rr_AnnualReturn2011 3.33%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Quarterly Return:
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Jun. 30, 2009
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 17.07%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Quarterly Return:
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (21.57%)
American Beacon Holland Large Cap Growth Fund℠ | Return Before Taxes | A
  
Average Annual Total Returns rr_AverageAnnualReturnAbstract  
Column rr_AverageAnnualReturnColumnName A Class
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 3.33%
5 Year rr_AverageAnnualReturnYear05 3.15%
10 Years rr_AverageAnnualReturnYear10 3.11%
Since Inception rr_AverageAnnualReturnSinceInception 6.53% [4]
Inception Date rr_AverageAnnualReturnInceptionDate Feb. 01, 2010
American Beacon Holland Large Cap Growth Fund℠ | Return Before Taxes | Institutional
  
Average Annual Total Returns rr_AverageAnnualReturnAbstract  
Column rr_AverageAnnualReturnColumnName Institutional Class
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 3.47%
5 Year rr_AverageAnnualReturnYear05 3.22%
10 Years rr_AverageAnnualReturnYear10 3.15%
Since Inception rr_AverageAnnualReturnSinceInception 6.56% [4]
Inception Date rr_AverageAnnualReturnInceptionDate Feb. 01, 2010
American Beacon Holland Large Cap Growth Fund℠ | Return Before Taxes | Investor
  
Average Annual Total Returns rr_AverageAnnualReturnAbstract  
Column rr_AverageAnnualReturnColumnName Investor Class
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 3.33%
5 Year rr_AverageAnnualReturnYear05 3.16%
10 Years rr_AverageAnnualReturnYear10 3.12%
Since Inception rr_AverageAnnualReturnSinceInception 6.54% [4]
Inception Date rr_AverageAnnualReturnInceptionDate Apr. 29, 1996
American Beacon Holland Large Cap Growth Fund℠ | Return After Taxes on Distributions | Investor
  
Average Annual Total Returns rr_AverageAnnualReturnAbstract  
Column rr_AverageAnnualReturnColumnName Investor Class
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 3.03%
5 Year rr_AverageAnnualReturnYear05 2.90%
10 Years rr_AverageAnnualReturnYear10 2.93%
Since Inception rr_AverageAnnualReturnSinceInception 6.14% [4]
Inception Date rr_AverageAnnualReturnInceptionDate Apr. 29, 1996
American Beacon Holland Large Cap Growth Fund℠ | Return After Taxes on Distributions and Sale of Fund Shares | Investor
  
Average Annual Total Returns rr_AverageAnnualReturnAbstract  
Column rr_AverageAnnualReturnColumnName Investor Class
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 2.55%
5 Year rr_AverageAnnualReturnYear05 2.66%
10 Years rr_AverageAnnualReturnYear10 2.66%
Since Inception rr_AverageAnnualReturnSinceInception 5.70% [4]
Inception Date rr_AverageAnnualReturnInceptionDate Apr. 29, 1996
American Beacon Holland Large Cap Growth Fund℠ | Russell 1000® Growth Index
  
Average Annual Total Returns rr_AverageAnnualReturnAbstract  
Label rr_AverageAnnualReturnLabel Russell 1000® Growth Index
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes Indices (reflects no deduction for fees, expenses or taxes)
1 Year rr_AverageAnnualReturnYear01 2.64%
5 Year rr_AverageAnnualReturnYear05 2.50%
10 Years rr_AverageAnnualReturnYear10 2.60%
Since Inception rr_AverageAnnualReturnSinceInception 5.13%
[1] After-tax returns are shown only for Investor Class shares; after-tax returns for other share classes will vary. After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor's tax situation and may differ from those shown. If you hold your Fund shares through a tax-deferred arrangement, such as an individual retirement account or a 401(k), the after-tax returns do not apply to your situation.
[2] Expenses are based on estimated amounts for the current fiscal year.
[3] The Manager has contractually agreed to reduce and/or reimburse the A Class, C Class, Institutional Class, Y Class and Investor Class of the Fund for Other Expenses through April 30, 2014, to the extent that Total Annual Fund Operating Expenses for the Fund exceed 1.39%, 2.14%, 0.89%, 0.99% and 1.27% for the A Class, C Class, Institutional Class, Y Class and Investor Class, respectively (excluding taxes, brokerage commissions, acquired fund fees and expenses and other extraordinary expenses such as litigation). The contractual expense arrangement can be changed by approval of a majority of the Fund's Board of Trustees. The Manager can be reimbursed by the Fund for any contractual or voluntary fee reductions or expense reimbursements if reimbursement to the Manager (a) occurs within three years after the Manager's own reduction or reimbursement and (b) does not cause the Total Annual Fund Operating Expenses of a class to exceed the percentage limit contractually agreed.
[4] The inception date for Investor Class shares is April 29, 1996, the inception date for A Class shares and Institutional Class shares is February 1, 2010, and the inception date for Y Class shares is March 1, 2010.