v3.26.3
Expense Example
Jun. 30, 2026
USD ($)
American Beacon SSI Alternative Income Fund | American Beacon SSI Alternative Income Fund | Y Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 192
Expense Example, with Redemption, 3 Years 708
Expense Example, with Redemption, 5 Years 1,251
Expense Example, with Redemption, 10 Years 2,735
American Beacon SSI Alternative Income Fund | American Beacon SSI Alternative Income Fund | R5 Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 185
Expense Example, with Redemption, 3 Years 685
Expense Example, with Redemption, 5 Years 1,211
Expense Example, with Redemption, 10 Years 2,655
American Beacon SSI Alternative Income Fund | American Beacon SSI Alternative Income Fund | Investor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 215
Expense Example, with Redemption, 3 Years 796
Expense Example, with Redemption, 5 Years 1,403
Expense Example, with Redemption, 10 Years 3,043
AB ARK Transformational Innovation Fund | American Beacon ARK Transformational Innovation Fund | A Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 705
Expense Example, with Redemption, 3 Years 1,004
Expense Example, with Redemption, 5 Years 1,325
Expense Example, with Redemption, 10 Years 2,231
AB ARK Transformational Innovation Fund | American Beacon ARK Transformational Innovation Fund | C Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 314
Expense Example, with Redemption, 3 Years 692
Expense Example, with Redemption, 5 Years 1,196
Expense Example, with Redemption, 10 Years 2,584
AB ARK Transformational Innovation Fund | American Beacon ARK Transformational Innovation Fund | Y Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 111
Expense Example, with Redemption, 3 Years 370
Expense Example, with Redemption, 5 Years 649
Expense Example, with Redemption, 10 Years 1,445
AB ARK Transformational Innovation Fund | American Beacon ARK Transformational Innovation Fund | R6 Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 102
Expense Example, with Redemption, 3 Years 342
Expense Example, with Redemption, 5 Years 601
Expense Example, with Redemption, 10 Years 1,342
AB ARK Transformational Innovation Fund | American Beacon ARK Transformational Innovation Fund | R5 Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 102
Expense Example, with Redemption, 3 Years 344
Expense Example, with Redemption, 5 Years 605
Expense Example, with Redemption, 10 Years 1,352
AB ARK Transformational Innovation Fund | American Beacon ARK Transformational Innovation Fund | Investor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 135
Expense Example, with Redemption, 3 Years 451
Expense Example, with Redemption, 5 Years 789
Expense Example, with Redemption, 10 Years 1,745
AB TwentyFour Funds | American Beacon TwentyFour Strategic Income Fund | A Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 473
Expense Example, with Redemption, 3 Years 706
Expense Example, with Redemption, 5 Years 958
Expense Example, with Redemption, 10 Years 1,677
AB TwentyFour Funds | American Beacon TwentyFour Strategic Income Fund | C Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 282
Expense Example, with Redemption, 3 Years 582
Expense Example, with Redemption, 5 Years 1,008
Expense Example, with Redemption, 10 Years 2,194
AB TwentyFour Funds | American Beacon TwentyFour Strategic Income Fund | Y Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 82
Expense Example, with Redemption, 3 Years 277
Expense Example, with Redemption, 5 Years 489
Expense Example, with Redemption, 10 Years 1,099
AB TwentyFour Funds | American Beacon TwentyFour Strategic Income Fund | R5 Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 74
Expense Example, with Redemption, 3 Years 256
Expense Example, with Redemption, 5 Years 454
Expense Example, with Redemption, 10 Years 1,026
AB TwentyFour Funds | American Beacon TwentyFour Strategic Income Fund | Investor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 111
Expense Example, with Redemption, 3 Years 381
Expense Example, with Redemption, 5 Years 671
Expense Example, with Redemption, 10 Years 1,497
AB TwentyFour Funds | American Beacon TwentyFour Short Term Bond Fund | A Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 337
Expense Example, with Redemption, 3 Years 1,034
Expense Example, with Redemption, 5 Years 1,754
Expense Example, with Redemption, 10 Years 3,660
AB TwentyFour Funds | American Beacon TwentyFour Short Term Bond Fund | C Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 251
Expense Example, with Redemption, 3 Years 967
Expense Example, with Redemption, 5 Years 1,801
Expense Example, with Redemption, 10 Years 3,969
AB TwentyFour Funds | American Beacon TwentyFour Short Term Bond Fund | Y Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 58
Expense Example, with Redemption, 3 Years 693
Expense Example, with Redemption, 5 Years 1,354
Expense Example, with Redemption, 10 Years 3,127
AB TwentyFour Funds | American Beacon TwentyFour Short Term Bond Fund | R6 Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 48
Expense Example, with Redemption, 3 Years 677
Expense Example, with Redemption, 5 Years 1,333
Expense Example, with Redemption, 10 Years $ 3,093