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Fees and Expenses
Oct. 31, 2025
USD ($)
(American Beacon Funds) | (American Beacon Balanced Fund)  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Fund
Expense Narrative [Text Block]
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. 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 all classes of the American Beacon Funds on an aggregated basis. More information about these and other discounts is available from your financial professional and in “Choosing Your Share Class” on page  63 of the Prospectus and “Additional Purchase and Sale Information for A Class Shares” on page  77  of the Statement of Additional Information (“SAI”). With respect to purchases of shares through specific intermediaries, you may find additional information regarding sales charge discounts and waivers in Appendix A to the Fund’s Prospectus entitled “Intermediary Sales Charge Discounts, Waivers and Other Information.”
Expense Breakpoint Discounts [Text] 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 all classes of the American Beacon Funds on an aggregated basis.
Expense Breakpoint, Minimum Investment Required [Amount] $ 50,000
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] The Total Annual Fund Operating Expenses do not correlate to the ratio of expenses to average net assets provided in the Fund’s Financial Highlights table, which reflects the operating expenses of the Fund and does not include Acquired Fund Fees and Expenses.
Shareholder Fees Caption [Optional Text] Shareholder Fees (fees paid directly from your investment)
Shareholder Fees [Table]
Share Class
A
C
Y
Advisor
R5
Investor
Maximum sales charge imposed on purchases (as a percentage of offering price)
5.75%
None
None
None
None
None
Maximum deferred sales charge (as a percentage of the lower of original offering price or redemption proceeds)
0.50%1
1.00%
None
None
None
None
[1]
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (Expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
Annual Fund Operating Expenses (Expenses that you pay each year as a percentage of the value of your investment)
Share Class
A
C
Y
Advisor
R5
Investor
Management Fees
0.52%
0.52%
0.52%
0.52%
0.52%
0.52%
Distribution and/or Service (12b-1) Fees
0.25%
1.00%
0.00%
0.25%
0.00%
0.00%
Other Expenses
0.41%
0.42%
0.42%
0.58%
0.35%
0.63%
Acquired Fund Fees and Expenses
0.01%
0.01%
0.01%
0.01%
0.01%
0.01%
Total Annual Fund Operating Expenses2
1.19%
1.95%
0.95%
1.36%
0.88%
1.16%
[2]
Expenses Deferred Charges [Text Block] Currently, the Fund does not assess a front-end sales load on purchases of A Class shares of $1,000,000 or more. However, the Fund assesses a contingent deferred sales charge (‘‘CDSC’’) of 0.50% on certain purchases of $1,000,000 or more of A Class shares that are redeemed in whole or part within 18 months of purchase.
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
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. C Class shares automatically convert to A Class shares 8 years after purchase, if the conversion is available through your financial intermediary. This Example reflects your costs as though C Class shares were held for the full 10-year period. Although your actual costs may be higher or lower, based on these assumptions, your costs would be:
Expense Example, With Redemption [Table]
Share Class
1 Year
3 Years
5 Years
10 Years
A
$689
$931
$1,192
$1,935
C
$298
$612
$1,052
$2,275
Y
$97
$303
$525
$1,166
Advisor
$138
$431
$745
$1,635
R5
$90
$281
$488
$1,084
Investor
$118
$368
$638
$1,409
Expense Example, No Redemption, By Year, Caption [Text] Assuming no redemption of shares:
Expense Example, No Redemption [Table]
Share Class
1 Year
3 Years
5 Years
10 Years
C
$198
$612
$1,052
$2,275
Portfolio Turnover [Heading] Portfolio Turnover
Portfolio Turnover [Text Block]
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 31% of the average value of its portfolio.
Portfolio Turnover, Rate 31.00%
(American Beacon Funds) | (American Beacon Garcia Hamilton Quality Bond Fund)  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Fund
Expense Narrative [Text Block]
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 63 of the Prospectus.
Shareholder Fees Caption [Optional Text] Shareholder Fees (fees paid directly from your investment)
Shareholder Fees [Table]
Share Class
Y
R6
R5
Investor
Maximum sales charge imposed on purchases (as a percentage of offering price)
None
None
None
None
Maximum deferred sales charge (as a percentage of the lower of original offering price or redemption proceeds)
None
None
None
None
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (Expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
Annual Fund Operating Expenses (Expenses that you pay each year as a percentage of the value of your investment)
Share Class
Y
R6
R5
Investor
Management Fees
0.55%
0.55%
0.55%
0.55%
Distribution and/or Service (12b-1) Fees
0.00%
0.00%
0.00%
0.00%
Other Expenses
0.24%
0.12%
0.15%
0.53%
Total Annual Fund Operating Expenses
0.79%
0.67%
0.70%
1.08%
Fee Waiver and/or expense reimbursement1
(0.28%)
(0.26%)
(0.25%)
(0.25%)
Total Annual Fund Operating Expenses after fee waiver and/or expense reimbursement
0.51%
0.41%
0.45%
0.83%
[3]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
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 each share class through February 28, 2027. Although your actual costs may be higher or lower, based on these assumptions, whether you redeem or hold your shares, your costs would be:
Expense Example, With Redemption [Table]
Share Class
1 Year
3 Years
5 Years
10 Years
Y
$52
$224
$411
$952
R6
$42
$188
$347
$810
R5
$46
$199
$365
$847
Investor
$85
$319
$571
$1,295
Portfolio Turnover [Heading] Portfolio Turnover
Portfolio Turnover [Text Block]
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 33% of the average value of its portfolio.
Portfolio Turnover, Rate 33.00%
(American Beacon Funds) | (American Beacon International Equity Fund)  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Fund
Expense Narrative [Text Block]
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. 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 all classes of the American Beacon Funds on an aggregated basis. More information about these and other discounts is available from your financial professional and in “Choosing Your Share Class” on page  63 of the Prospectus and “Additional Purchase and Sale Information for A Class Shares” on page  77  of the Statement of Additional Information (“SAI”). With respect to purchases of shares through specific intermediaries, you may find additional information regarding sales charge discounts and waivers in Appendix A to the Fund’s Prospectus entitled “Intermediary Sales Charge Discounts, Waivers and Other Information.”
Expense Breakpoint Discounts [Text] 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 all classes of the American Beacon Funds on an aggregated basis.
Expense Breakpoint, Minimum Investment Required [Amount] $ 50,000
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] The Total Annual Fund Operating Expenses do not correlate to the ratio of expenses to average net assets provided in the Fund’s Financial Highlights table, which reflects the operating expenses of the Fund and does not include Acquired Fund Fees and Expenses.
Shareholder Fees Caption [Optional Text] Shareholder Fees (fees paid directly from your investment)
Shareholder Fees [Table]
Share Class
A
C
Y
R6
Advisor
R5
Investor
Maximum sales charge imposed on purchases (as a percentage of offering price)
5.75%
None
None
None
None
None
None
Maximum deferred sales charge (as a percentage of the lower of original offering price or redemption proceeds)
0.50%1
1.00%
None
None
None
None
None
[4]
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (Expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
Annual Fund Operating Expenses (Expenses that you pay each year as a percentage of the value of your investment)
Share Class
A
C
Y
R6
Advisor
R5
Investor
Management Fees
0.62%
0.62%
0.62%
0.62%
0.62%
0.62%
0.62%
Distribution and/or Service (12b-1) Fees
0.25%
1.00%
0.00%
0.00%
0.25%
0.00%
0.00%
Other Expenses2
0.35%
0.39%
0.24%
0.17%
0.40%
0.17%
0.49%
Acquired Fund Fees and Expenses
0.01%
0.01%
0.01%
0.01%
0.01%
0.01%
0.01%
Total Annual Fund Operating Expenses3
1.23%
2.02%
0.87%
0.80%
1.28%
0.80%
1.12%
Fee Waiver and/or expense reimbursement4
0.00%
0.00%
0.00%
(0.10%)
0.00%
0.00%
0.00%
Total Annual Fund Operating Expenses after fee waiver and/or expense reimbursement
1.23%
2.02%
0.87%
0.70%
1.28%
0.80%
1.12%
[5],[6],[7]
Expenses Deferred Charges [Text Block] Currently, the Fund does not assess a front-end sales load on purchases of A Class shares of $1,000,000 or more. However, the Fund assesses a contingent deferred sales charge (‘‘CDSC’’) of 0.50% on certain purchases of $1,000,000 or more of A Class shares that are redeemed in whole or part within 18 months of purchase.
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
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 R6 Class shares through February 28, 2027. C Class shares automatically convert to A Class shares 8 years after purchase, if the conversion is available through your financial intermediary. This Example reflects your costs as though C Class shares were held for the full 10-year period. Although your actual costs may be higher or lower, based on these assumptions, your costs would be:
Expense Example, With Redemption [Table]
Share Class
1 Year
3 Years
5 Years
10 Years
A
$693
$943
$1,212
$1,978
C
$305
$634
$1,088
$2,348
Y
$89
$278
$482
$1,073
R6
$72
$245
$434
$981
Advisor
$130
$406
$702
$1,545
R5
$82
$255
$444
$990
Investor
$114
$356
$617
$1,363
Expense Example, No Redemption, By Year, Caption [Text] Assuming no redemption of shares:
Expense Example, No Redemption [Table]
Share Class
1 Year
3 Years
5 Years
10 Years
C
$205
$634
$1,088
$2,348
Portfolio Turnover [Heading] Portfolio Turnover
Portfolio Turnover [Text Block]
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 49% of the average value of its portfolio.
Portfolio Turnover, Rate 49.00%
(American Beacon Funds) | (American Beacon Large Cap Value Fund)  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Fund
Expense Narrative [Text Block]
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. 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 all classes of the American Beacon Funds on an aggregated basis. More information about these and other discounts is available from your financial professional and in “Choosing Your Share Class” on page  63 of the Prospectus and “Additional Purchase and Sale Information for A Class Shares” on page  77  of the Statement of Additional Information (“SAI”). With respect to purchases of shares through specific intermediaries, you may find additional information regarding sales charge discounts and waivers in Appendix A to the Fund’s Prospectus entitled “Intermediary Sales Charge Discounts, Waivers and Other Information.”
Expense Breakpoint Discounts [Text] 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 all classes of the American Beacon Funds on an aggregated basis.
Expense Breakpoint, Minimum Investment Required [Amount] $ 50,000
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] The Total Annual Fund Operating Expenses do not correlate to the ratio of expenses to average net assets provided in the Fund’s Financial Highlights table, which reflects the operating expenses of the Fund and does not include Acquired Fund Fees and Expenses.
Shareholder Fees Caption [Optional Text] Shareholder Fees (fees paid directly from your investment)
Shareholder Fees [Table]
Share Class
A
C
Y
R6
Advisor
R5
Investor
Maximum sales charge imposed on purchases (as a percentage of offering price)
5.75%
None
None
None
None
None
None
Maximum deferred sales charge (as a percentage of the lower of original offering price or redemption proceeds)
0.50%1
1.00%
None
None
None
None
None
[8]
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (Expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
Annual Fund Operating Expenses (Expenses that you pay each year as a percentage of the value of your investment)
Share Class
A
C
Y
R6
Advisor
R5
Investor
Management Fees
0.55%
0.55%
0.55%
0.55%
0.55%
0.55%
0.55%
Distribution and/or Service (12b-1) Fees
0.25%
1.00%
0.00%
0.00%
0.25%
0.00%
0.00%
Other Expenses
0.23%
0.20%
0.17%
0.08%
0.33%
0.11%
0.42%
Acquired Fund Fees and Expenses
0.01%
0.01%
0.01%
0.01%
0.01%
0.01%
0.01%
Total Annual Fund Operating Expenses2
1.04%
1.76%
0.73%
0.64%
1.14%
0.67%
0.98%
[9]
Expenses Deferred Charges [Text Block] Currently, the Fund does not assess a front-end sales load on purchases of A Class shares of $1,000,000 or more. However, the Fund assesses a contingent deferred sales charge (‘‘CDSC’’) of 0.50% on certain purchases of $1,000,000 or more of A Class shares that are redeemed in whole or part within 18 months of purchase.
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
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. C Class shares automatically convert to A Class shares 8 years after purchase, if the conversion is available through your financial intermediary. This Example reflects your costs as though C Class shares were held for the full 10-year period. Although your actual costs may be higher or lower, based on these assumptions, your costs would be:
Expense Example, With Redemption [Table]
Share Class
1 Year
3 Years
5 Years
10 Years
A
$675
$887
$1,116
$1,773
C
$279
$554
$954
$2,073
Y
$75
$233
$406
$906
R6
$65
$205
$357
$798
Advisor
$116
$362
$628
$1,386
R5
$68
$214
$373
$835
Investor
$100
$312
$542
$1,201
Expense Example, No Redemption, By Year, Caption [Text] Assuming no redemption of shares:
Expense Example, No Redemption [Table]
Share Class
1 Year
3 Years
5 Years
10 Years
C
$179
$554
$954
$2,073
Portfolio Turnover [Heading] Portfolio Turnover
Portfolio Turnover [Text Block]
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 27% of the average value of its portfolio.
Portfolio Turnover, Rate 27.00%
(American Beacon Funds) | (American Beacon Small Cap Value Fund)  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Fund
Expense Narrative [Text Block]
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. 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 all classes of the American Beacon Funds on an aggregated basis. More information about these and other discounts is available from your financial professional and in “Choosing Your Share Class” on page  63 of the Prospectus and “Additional Purchase and Sale Information for A Class Shares” on page  77  of the Statement of Additional Information (“SAI”). With respect to purchases of shares through specific intermediaries, you may find additional information regarding sales charge discounts and waivers in Appendix A to the Fund’s Prospectus entitled “Intermediary Sales Charge Discounts, Waivers and Other Information.”
Expense Breakpoint Discounts [Text] 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 all classes of the American Beacon Funds on an aggregated basis.
Expense Breakpoint, Minimum Investment Required [Amount] $ 50,000
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] The Total Annual Fund Operating Expenses do not correlate to the ratio of expenses to average net assets provided in the Fund’s Financial Highlights table, which reflects the operating expenses of the Fund and does not include Acquired Fund Fees and Expenses.
Shareholder Fees Caption [Optional Text] Shareholder Fees (fees paid directly from your investment)
Shareholder Fees [Table]
Share Class
A
C
Y
R6
Advisor
R5
Investor
Maximum sales charge imposed on purchases (as a percentage of offering price)
5.75%
None
None
None
None
None
None
Maximum deferred sales charge (as a percentage of the lower of original offering price or redemption proceeds)
0.50%1
1.00%
None
None
None
None
None
[10]
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (Expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
Annual Fund Operating Expenses (Expenses that you pay each year as a percentage of the value of your investment)
Share Class
A
C
Y
R6
Advisor
R5
Investor
Management Fees
0.70%
0.70%
0.70%
0.70%
0.70%
0.70%
0.70%
Distribution and/or Service (12b-1) Fees
0.25%
1.00%
0.00%
0.00%
0.25%
0.00%
0.00%
Other Expenses
0.28%
0.30%
0.18%
0.08%
0.35%
0.11%
0.45%
Acquired Fund Fees and Expenses
0.01%
0.01%
0.01%
0.01%
0.01%
0.01%
0.01%
Total Annual Fund Operating Expenses2
1.24%
2.01%
0.89%
0.79%
1.31%
0.82%
1.16%
[11]
Expenses Deferred Charges [Text Block] Currently, the Fund does not assess a front-end sales load on purchases of A Class shares of $1,000,000 or more. However, the Fund assesses a contingent deferred sales charge (‘‘CDSC’’) of 0.50% on certain purchases of $1,000,000 or more of A Class shares that are redeemed in whole or part within 18 months of purchase.
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
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. C Class shares automatically convert to A Class shares 8 years after purchase, if the conversion is available through your financial intermediary. This Example reflects your costs as though C Class shares were held for the full 10-year period. Although your actual costs may be higher or lower, based on these assumptions, your costs would be:
Expense Example, With Redemption [Table]
Share Class
1 Year
3 Years
5 Years
10 Years
A
$694
$946
$1,217
$1,989
C
$304
$631
$1,083
$2,338
Y
$91
$284
$493
$1,096
R6
$81
$252
$439
$978
Advisor
$133
$415
$718
$1,579
R5
$84
$262
$455
$1,014
Investor
$118
$368
$638
$1,409
Expense Example, No Redemption, By Year, Caption [Text] Assuming no redemption of shares:
Expense Example, No Redemption [Table]
Share Class
1 Year
3 Years
5 Years
10 Years
C
$204
$631
$1,083
$2,338
Portfolio Turnover [Heading] Portfolio Turnover
Portfolio Turnover [Text Block]
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 75% of the average value of its portfolio.
Portfolio Turnover, Rate 75.00%
(American Beacon IMC International Small Cap Fund) | (American Beacon IMC International Small Cap Fund)  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Fund
Expense Narrative [Text Block]
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 16 of the Prospectus.
Shareholder Fees Caption [Optional Text] Shareholder Fees (fees paid directly from your investment)
Shareholder Fees [Table]
Share Class
Y
R5
Investor
Maximum sales charge imposed on purchases (as a percentage of offering price)
None
None
None
Maximum deferred sales charge (as a percentage of the lower of original offering price or redemption proceeds)
None
None
None
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (Expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
Annual Fund Operating Expenses (Expenses that you pay each year as a percentage of the value of your investment)
Share Class
Y
R5
Investor
Management Fees
0.75%
0.75%
0.75%
Distribution and/or Service (12b-1) Fees
0.00%
0.00%
0.00%
Other Expenses1
0.48%
0.43%
0.69%
Total Annual Fund Operating Expenses
1.23%
1.18%
1.44%
Fee Waiver and/or expense reimbursement2
(0.12%)
(0.28%)
(0.13%)
Total Annual Fund Operating Expenses after fee waiver and/or expense reimbursement
1.11%
0.90%
1.31%
[12],[13]
Expense Example [Heading] Example
Expense Example Narrative [Text Block]
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 each share class through February 28, 2027. Although your actual costs may be higher or lower, based on these assumptions, whether you redeem or hold your shares, your costs would be:
Expense Example, With Redemption [Table]
Share Class
1 Year
3 Years
5 Years
10 Years
Y
$113
$378
$664
$1,478
R5
$92
$347
$622
$1,407
Investor
$133
$443
$775
$1,713
Portfolio Turnover [Heading] Portfolio Turnover
Portfolio Turnover [Text Block]
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 209% of the average value of its portfolio.
Portfolio Turnover, Rate 209.00%
[1]
1 Currently, the Fund does not assess a front-end sales load on purchases of A Class shares of $1,000,000 or more. However, the Fund assesses a contingent deferred sales charge (‘‘CDSC’’) of 0.50% on certain purchases of $1,000,000 or more of A Class shares that are redeemed in whole or part within 18 months of purchase.
[2]
2 The Total Annual Fund Operating Expenses do not correlate to the ratio of expenses to average net assets provided in the Fund’s Financial Highlights table, which reflects the operating expenses of the Fund and does not include Acquired Fund Fees and Expenses.
[3]
1 American Beacon Advisors, Inc. (the “Manager”) has contractually agreed to waive fees and/or reimburse expenses of the Fund’s  Y Class, R6 Class, R5 Class, and Investor Class shares through February 28, 2027  to the extent that Total Annual Fund Operating Expenses exceed 0.51% for the Y Class, 0.41% for the R6 Class, 0.45% for the R5 Class, and 0.83% for the Investor 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 (“Board”). 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 can be reimbursed by the Fund for any contractual 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.
[4]
1 Currently, the Fund does not assess a front-end sales load on purchases of A Class shares of $1,000,000 or more. However, the Fund assesses a contingent deferred sales charge (‘‘CDSC’’) of 0.50% on certain purchases of $1,000,000 or more of A Class shares that are redeemed in whole or part within 18 months of purchase.
[5]
2 During the fiscal year ended October 31, 2025, the Fund paid amounts to American Beacon Advisors, Inc. (the “Manager”) that were previously waived and/or reimbursed under a contractual fee waiver/expense reimbursement agreement for the Fund’s R6 Class shares in the amount of 0.01%.
[6]
3 The Total Annual Fund Operating Expenses do not correlate to the ratio of expenses to average net assets provided in the Fund’s Financial Highlights table, which reflects the operating expenses of the Fund and does not include Acquired Fund Fees and Expenses.
[7]
4 The Manager has contractually agreed to waive fees and/or reimburse expenses of the Fund’s R6 Class shares, through February 28, 2027, to the extent that Total Annual Fund Operating Expenses exceed 0.69% for the R6 Class shares (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 (“Board”). 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 can be reimbursed by the Fund for any contractual 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.
[8]
1 Currently, the Fund does not assess a front-end sales load on purchases of A Class shares of $1,000,000 or more. However, the Fund assesses a contingent deferred sales charge (‘‘CDSC’’) of 0.50% on certain purchases of $1,000,000 or more of A Class shares that are redeemed in whole or part within 18 months of purchase.
[9]
2 The Total Annual Fund Operating Expenses do not correlate to the ratio of expenses to average net assets provided in the Fund’s Financial Highlights table, which reflects the operating expenses of the Fund and does not include Acquired Fund Fees and Expenses.
[10]
1 Currently, the Fund does not assess a front-end sales load on purchases of A Class shares of $1,000,000 or more. However, the Fund assesses a contingent deferred sales charge (‘‘CDSC’’) of 0.50% on certain purchases of $1,000,000 or more of A Class shares that are redeemed in whole or part within 18 months of purchase.
[11]
2 The Total Annual Fund Operating Expenses do not correlate to the ratio of expenses to average net assets provided in the Fund’s Financial Highlights table, which reflects the operating expenses of the Fund and does not include Acquired Fund Fees and Expenses.
[12]
1 Other Expenses for each share class include 0.01% of loan interest and securities lending expenses.
[13]
2 American Beacon Advisors, Inc. (the “Manager”)  has contractually agreed to waive fees and/or reimburse expenses of the Fund’s Y Class, R5 Class and Investor Class shares, as applicable, through  February 28, 2027 to the extent that Total Annual Fund Operating Expenses exceed 1.10% for the Y Class, 0.89% for the R5 Class, and 1.30% for the Investor 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 can be reimbursed by the Fund for any contractual 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.