v3.26.3
Shareholder Fees
Jun. 30, 2026
American Beacon SSI Alternative Income Fund | American Beacon SSI Alternative Income Fund | Y Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
American Beacon SSI Alternative Income Fund | American Beacon SSI Alternative Income Fund | R5 Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
American Beacon SSI Alternative Income Fund | American Beacon SSI Alternative Income Fund | Investor Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
AB ARK Transformational Innovation Fund | American Beacon ARK Transformational Innovation Fund | A Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 5.75%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.50% [1]
AB ARK Transformational Innovation Fund | American Beacon ARK Transformational Innovation Fund | C Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 1.00%
AB ARK Transformational Innovation Fund | American Beacon ARK Transformational Innovation Fund | Y Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
AB ARK Transformational Innovation Fund | American Beacon ARK Transformational Innovation Fund | R6 Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
AB ARK Transformational Innovation Fund | American Beacon ARK Transformational Innovation Fund | R5 Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
AB ARK Transformational Innovation Fund | American Beacon ARK Transformational Innovation Fund | Investor Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
AB TwentyFour Funds | American Beacon TwentyFour Strategic Income Fund | A Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 3.75%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 1.00% [2]
AB TwentyFour Funds | American Beacon TwentyFour Strategic Income Fund | C Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 1.00%
AB TwentyFour Funds | American Beacon TwentyFour Strategic Income Fund | Y Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
AB TwentyFour Funds | American Beacon TwentyFour Strategic Income Fund | R5 Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
AB TwentyFour Funds | American Beacon TwentyFour Strategic Income Fund | Investor Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
AB TwentyFour Funds | American Beacon TwentyFour Short Term Bond Fund | A Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 2.50%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.50% [3]
AB TwentyFour Funds | American Beacon TwentyFour Short Term Bond Fund | C Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 1.00%
AB TwentyFour Funds | American Beacon TwentyFour Short Term Bond Fund | Y Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
AB TwentyFour Funds | American Beacon TwentyFour Short Term Bond Fund | R6 Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
[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]
1 Currently, the Fund does not assess a front-end sales load on purchases of A Class shares of $500,000 or more. However, the Fund assesses a  contingent deferred sales charge (“CDSC”) of 1.00% on certain purchases of $500,000 or more of A Class shares that are redeemed in whole or part within 18 months of purchase.
[3]
1 Currently, the Fund does not assess a front-end sales load on purchases of A Class shares of $250,000 or more. However, the Fund assesses a contingent deferred sales charge (‘’CDSC’’) of 0.50% on certain purchases of $250,000 or more of A Class shares that are redeemed in whole or part within 18 months of purchase.