Risk/Return: Risk/Return: Document Type Document Type Document Period End Date Document Period End Date Registrant Name Registrant Name Central Index Key Central Index Key Amendment Flag Amendment Flag Document Creation Date Document Creation Date Document Effective Date Document Effective Date Prospectus Date Prospectus Date Risk Return Summary [Abstract] Risk Return Summary [Abstract] Prospectus: Prospectus: Document [Axis] Document [Axis] Prospectus Prospectus Summary S000029124 [Member] American Beacon Zebra Global Equity Fund Summary S000029124 [Member] Series [Axis] Series [Axis] Series Series S000029124 [Member] American Beacon Zebra Global Equity Fund S000029124 [Member] Share Class [Axis] Share Class [Axis] Share Classes Share Classes C000089557 [Member] A Class C000089557 [Member] C000089558 [Member] Institutional Class C000089558 [Member] C000089559 [Member] Y Class C000089559 [Member] C000089560 [Member] Investor Class C000089560 [Member] C000092353 [Member] C Class C000092353 [Member] Performance Measure [Axis] Performance Measure [Axis] Before Taxes Before Taxes After Taxes on Distributions After Taxes on Distributions After Taxes on Distributions After Taxes on Distributions and Sales After Taxes on Distributions and Sales After Taxes on Distributions and Sales Prospectus [Line Items] Prospectus [Line Items] Risk/Return [Heading] Risk/Return [Heading] Objective [Heading] Objective [Heading] Objective, Primary [Text Block] Objective, Primary [Text Block] Objective, Secondary [Text Block] Objective, Secondary [Text Block] Expense [Heading] Expense [Heading] Expense Narrative [Text Block] Expense Narrative [Text Block] Shareholder Fees Caption [Text] Shareholder Fees Caption [Text] Shareholder Fees [Table] Shareholder Fees [Table] Operating Expenses Caption [Text] Operating Expenses Caption [Text] Annual Fund Operating Expenses [Table] Annual Fund Operating Expenses [Table] Expense Footnotes [Text Block] Expense Footnotes [Text Block] Expenses Deferred Charges [Text Block] Expenses Deferred Charges [Text Block] Expenses Range of Exchange Fees [Text Block] Expenses Range of Exchange Fees [Text Block] Expense Example [Heading] Expense Example [Heading] Expense Example by Year [Heading] Expense Example by Year [Heading] Expense Example Narrative [Text Block] Expense Example Narrative [Text Block] Expense Example by, Year, Caption [Text] Expense Example by, Year, Caption [Text] Expense Example, With Redemption [Table] Expense Example, With Redemption [Table] Expense Example, No Redemption Narrative [Text Block] Expense Example, No Redemption Narrative [Text Block] Expense Example, No Redemption, By Year, Caption [Text] Expense Example, No Redemption, By Year, Caption [Text] Expense Example, No Redemption [Table] Expense Example, No Redemption [Table] Expense Example Footnotes [Text Block] Expense Example Footnotes [Text Block] Expense Example Closing [Text Block] Expense Example Closing [Text Block] Portfolio Turnover [Heading] Portfolio Turnover [Heading] Portfolio Turnover [Text Block] Portfolio Turnover [Text Block] Strategy [Heading] Strategy [Heading] Strategy Narrative [Text Block] Strategy Narrative [Text Block] Risk [Heading] Risk [Heading] Risk Narrative [Text Block] Risk Narrative [Text Block] Risk Footnotes [Text Block] Risk Footnotes [Text Block] Risk Closing [Text Block] Risk Closing [Text Block] Bar Chart and Performance Table [Heading] Bar Chart and Performance Table [Heading] Performance Narrative [Text Block] Performance Narrative [Text Block] Bar Chart Narrative [Text Block] Bar Chart Narrative [Text Block] Bar Chart [Heading] Bar Chart [Heading] Bar Chart [Table] Bar Chart [Table] Bar Chart Footnotes [Text Block] Bar Chart Footnotes [Text Block] Bar Chart Closing [Text Block] Bar Chart Closing [Text Block] Performance Table Heading Performance Table Heading Performance Table Narrative Performance Table Narrative Performance [Table] Performance [Table] Market Index Performance [Table] Market Index Performance [Table] Performance Table Footnotes Performance Table Footnotes Performance Table Closing [Text Block] Performance Table Closing [Text Block] Shareholder Fees: Shareholder Fees: Shareholder Fees Column [Text] Shareholder Fees Column [Text] Maximum Cumulative Sales Charge (as a percentage of Offering Price) Maximum Cumulative Sales Charge (as a percentage of Offering Price) Maximum Cumulative Sales Charge (as a percentage) Maximum Cumulative Sales Charge (as a percentage) Maximum sales charge imposed on purchases (as a percentage of offering price) Maximum sales charge imposed on purchases (as a percentage of offering price) Maximum Deferred Sales Charge (as a percentage of Offering Price) Maximum Deferred Sales Charge (as a percentage of Offering Price) Maximum deferred sales charge load (as a percentage of the lower of original offering price or redemption proceeds) Maximum deferred sales charge load (as a percentage of the lower of original offering price or redemption proceeds) Maximum Sales Charge on Reinvested Dividends and Distributions (as a percentage) Maximum Sales Charge on Reinvested Dividends and Distributions (as a percentage) Redemption Fee (as a percentage of Amount Redeemed) Redemption fee (as a percentage of amount redeemed; applies to the proceeds of shares redeemed within 90 days of purchase) Redemption fee (as a percentage of amount redeemed; applies to the proceeds of shares redeemed within 90 days of purchase) Redemption Fee Redemption Fee Redemption Fee Exchange Fee (as a percentage of Amount Redeemed) Exchange Fee (as a percentage of Amount Redeemed) Exchange Fee Exchange Fee Maximum Account Fee (as a percentage of Assets) Maximum Account Fee (as a percentage of Assets) Maximum Account Fee Maximum Account Fee Shareholder Fee, Other Shareholder Fee, Other Operating Expenses: Operating Expenses: Operating Expenses Column [Text] Operating Expenses Column [Text] Management fees Management fees Distribution and/or service (12b-1) fees Distribution and/or service (12b-1) fees Other expenses Other expenses Other Expenses Acquired Fund Fees and Expense Acquired Fund Fees and Expense Total annual fund operating expenses Total annual fund operating expenses Total annual fund operating expenses Expense Reduction and Reimbursement Expense Reduction and Reimbursement Expense Reduction and Reimbursement Total annual fund operating expenses after expense reduction and reimbursement Total annual fund operating expenses after expense reduction and reimbursement Total annual fund operating expenses after expense reduction and reimbursement Distribution or Similar (Non 12b-1) Fees Distribution or Similar (Non 12b-1) Fees Component1 Other Expenses Component1 Other Expenses Component2 Other Expenses Component2 Other Expenses Component3 Other Expenses Component3 Other Expenses Expense Example: Expense Example: Expense Example, By Year, Column [Text] Column Expense Example, By Year, Column [Text] Expense Example, with Redemption, 1 Year 1 Year Expense Example, with Redemption, 1 Year Expense Example, with Redemption, 3 Years 3 Years Expense Example, with Redemption, 3 Years Expense Example, with Redemption, 5 Years 5 Years Expense Example, with Redemption, 5 Years Expense Example, with Redemption, 10 Years 10 Years Expense Example, with Redemption, 10 Years Expense Example, No Redemption: Expense Example, No Redemption: Expense Example, No Redemption, By Year, Column [Text] Column Expense Example, No Redemption, By Year, Column [Text] Expense Example, No Redemption, 1 Year 1 Year Expense Example, No Redemption, 1 Year Expense Example, No Redemption, 3 Years 3 Years Expense Example, No Redemption, 3 Years Expense Example, No Redemption, 5 Years 5 Years Expense Example, No Redemption, 5 Years Expense Example, No Redemption, 10 Years 10 Years Expense Example, No Redemption, 10 Years Bar Chart Table: Bar Chart Table: Annual Return Caption [Text] Caption Annual Return Caption [Text] Annual Return, Column [Text] Column Annual Return, Column [Text] Annual Return, Inception Date Inception Date Annual Return, Inception Date Annual Return 1990 Annual Return 1990 Annual Return 1991 Annual Return 1991 Annual Return 1992 Annual Return 1992 Annual Return 1993 Annual Return 1993 Annual Return 1994 Annual Return 1994 Annual Return 1995 Annual Return 1995 Annual Return 1996 Annual Return 1996 Annual Return 1997 Annual Return 1997 Annual Return 1998 Annual Return 1998 Annual Return 1999 Annual Return 1999 Annual Return 2000 Annual Return 2000 Annual Return 2001 Annual Return 2001 Annual Return 2002 Annual Return 2002 Annual Return 2003 Annual Return 2003 Annual Return 2004 Annual Return 2004 Annual Return 2005 Annual Return 2005 Annual Return 2006 Annual Return 2006 Annual Return 2007 Annual Return 2007 Annual Return 2008 Annual Return 2008 Annual Return 2009 Annual Return 2009 Annual Return 2010 Annual Return 2010 Annual Return 2011 Annual Return 2011 Annual Return 2012 Annual Return 2012 Annual Return 2013 Annual Return 2013 Annual Return 2014 Annual Return 2014 Annual Return 2015 Annual Return 2015 Annual Return 2016 Annual Return 2016 Annual Return 2017 Annual Return 2017 Annual Return 2018 Annual Return 2018 Annual Return 2019 Annual Return 2019 Annual Return 2020 Annual Return 2020 Lipper Global Multi-Cap Value Funds Index [Member] Lipper Global Multi-Cap Value Funds Index Lipper Global Multi-Cap Value Funds Index [Member] Msci World Index [Member] Msci World Index Msci World Index [Member] Russell 1000 Index [Member] Russell 1000 Index Russell 1000 Index [Member] Average Annual Return: Average Annual Return: Label Label 1 Year 1 Year 5 Years 5 Years 10 Years 10 Years Since Inception Since Inception Inception Date Inception Date Risk Return Detail Data [Abstract] Risk Return Detail Data [Abstract] Fee Waiver or Reimbursement over Assets, Date of Termination Fee Waiver or Reimbursement over Assets, Date of Termination Portfolio Turnover, Rate Portfolio Turnover, Rate Expense Breakpoint Discounts [Text] Expense Breakpoint Discounts [Text] Expense Breakpoint, Minimum Investment Required [Amount] Expense Breakpoint, Minimum Investment Required [Amount] Expense Exchange Traded Fund Commissions [Text] Expense Exchange Traded Fund Commissions [Text] Expenses Represent Both Master and Feeder [Text] Expenses Represent Both Master and Feeder [Text] Expenses Explanation of Nonrecurring Account Fee [Text] Expenses Explanation of Nonrecurring Account Fee [Text] Other Expenses, New Fund, Based on Estimates [Text] Other Expenses, New Fund, Based on Estimates [Text] Acquired Fund Fees and Expenses, Based on Estimates [Text] Acquired Fund Fees and Expenses, Based on Estimates [Text] Expenses Other Expenses Had Extraordinary Expenses Been Included [Text] Expenses Other Expenses Had Extraordinary Expenses Been Included [Text] Expenses Restated to Reflect Current [Text] Expenses Restated to Reflect Current [Text] Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] Strategy Portfolio Concentration [Text] Strategy Portfolio Concentration [Text] Risk Lose Money [Text] Risk Lose Money [Text] Risk Nondiversified Status [Text] Risk Nondiversified Status [Text] Risk Money Market Fund [Text] Risk Money Market Fund [Text] Risk Not Insured Depository Institution [Text] Risk Not Insured Depository Institution [Text] Risk Caption Risk Caption Risk Column [Text] Risk Column [Text] Risk [Text] Risk [Text] Performance Information Illustrates Variability of Returns [Text] Performance Information Illustrates Variability of Returns [Text] Performance One Year or Less [Text] Performance One Year or Less [Text] Performance Additional Market Index [Text] Performance Additional Market Index [Text] Performance Availability Phone [Text] Performance Availability Phone [Text] Performance Availability Website Address [Text] Performance Availability Website Address [Text] Performance Past Does Not Indicate Future [Text] Performance Past Does Not Indicate Future [Text] Bar Chart Does Not Reflect Sales Loads [Text] Bar Chart Does Not Reflect Sales Loads [Text] Bar Chart, Reason Selected Class Different from Immediately Preceding Period [Text] Bar Chart, Reason Selected Class Different from Immediately Preceding Period [Text] Bar Chart, Returns for Class Not Offered in Prospectus [Text] Bar Chart, Returns for Class Not Offered in Prospectus [Text] Year to Date Return, Label Year to Date Return, Label Bar Chart, Year to Date Return, Date Bar Chart, Year to Date Return, Date Bar Chart, Year to Date Return Bar Chart, Year to Date Return Highest Quarterly Return, Label Label Highest Quarterly Return, Label Highest Quarterly Return, Date Highest Quarterly Return, Date Highest Quarterly Return Highest Quarterly Return Lowest Quarterly Return, Label Label Lowest Quarterly Return, Label Lowest Quarterly Return, Date Lowest Quarterly Return, Date Lowest Quarterly Return Lowest Quarterly Return Performance Table Does Reflect Sales Loads Performance Table Does Reflect Sales Loads Performance Table Market Index Changed Performance Table Market Index Changed Index No Deduction for Fees, Expenses, Taxes [Text] Index No Deduction for Fees, Expenses, Taxes [Text] Performance Table Uses Highest Federal Rate Performance Table Uses Highest Federal Rate Performance Table Not Relevant to Tax Deferred Performance Table Not Relevant to Tax Deferred Performance Table One Class of after Tax Shown [Text] Performance Table One Class of after Tax Shown [Text] Performance Table Explanation after Tax Higher Performance Table Explanation after Tax Higher Performance Table Footnotes, Reason Performance Information for Class Different from Immediately Preceding Period [Text] Performance Table Footnotes, Reason Performance Information for Class Different from Immediately Preceding Period [Text] Caption Caption Column Column Money Market Seven Day Yield, Caption [Text] Money Market Seven Day Yield, Caption [Text] Money Market Seven Day Yield Column [Text] Money Market Seven Day Yield Column [Text] Money Market Seven Day Yield Phone Money Market Seven Day Yield Phone Money Market Seven Day Yield Money Market Seven Day Yield Money Market Seven Day Tax Equivalent Yield Money Market Seven Day Tax Equivalent Yield Thirty Day Yield Caption Thirty Day Yield Caption Thirty Day Yield Column [Text] Thirty Day Yield Column [Text] Thirty Day Yield Phone Thirty Day Yield Phone Thirty Day Yield Thirty Day Yield Thirty Day Tax Equivalent Yield Thirty Day Tax Equivalent Yield Summary S000029125 [Member] American Beacon Zebra Small Cap Equity Fund Summary S000029125 [Member] S000029125 [Member] American Beacon Zebra Small Cap Equity Fund S000029125 [Member] C000089563 [Member] A Class C000089563 [Member] C000092354 [Member] C Class C000092354 [Member] C000089565 [Member] Y Class C000089565 [Member] C000089564 [Member] Institutional Class C000089564 [Member] C000089566 [Member] Investor Class C000089566 [Member] Lipper Small-Cap Core Funds Index [Member] Lipper Small-Cap Core Funds Index Lipper Small-Cap Core Funds Index [Member] Russell 2000 Index [Member] Russell 2000 Index Russell 2000 Index [Member] Summary S000032923 [Member] American Beacon Flexible Bond Fund Summary S000032923 [Member] S000032923 [Member] American Beacon Flexible Bond Fund S000032923 [Member] C000101621 [Member] A Class C000101621 [Member] C000101622 [Member] C Class C000101622 [Member] C000101623 [Member] Institutional Class C000101623 [Member] C000101624 [Member] Y Class C000101624 [Member] C000101625 [Member] Investor Class C000101625 [Member] Summary S000031209 [Member] American Beacon SiM High Yield Opportunities Fund Summary S000031209 [Member] S000031209 [Member] American Beacon SiM High Yield Opportunities Fund S000031209 [Member] C000096903 [Member] A Class C000096903 [Member] C000096904 [Member] C Class C000096904 [Member] C000096905 [Member] Institutional Class C000096905 [Member] C000096906 [Member] Y Class C000096906 [Member] C000096907 [Member] Investor Class C000096907 [Member] Summary S000037191 [Member] American Beacon The London Company Income Equity Fund Summary S000037191 [Member] S000037191 [Member] American Beacon The London Company Income Equity Fund S000037191 [Member] C000114555 [Member] A Class C000114555 [Member] C000114556 [Member] C Class C000114556 [Member] C000114557 [Member] Y Class C000114557 [Member] C000114558 [Member] Institutional Class C000114558 [Member] C000114559 [Member] Investor Class C000114559 [Member]