v3.26.1
Average Annual Total Returns - (American Beacon Funds)
 12 Months Ended 60 Months Ended 117 Months Ended 120 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
American Beacon DoubleLine Floating Rate Fund | Bloomberg US Aggregate Bond Index (Reflects no deduction for fees, expenses or taxes) [Member]          
Prospectus [Line Items]          
Average Annual Return, Percent   7.30% (0.36%)   2.01%
American Beacon DoubleLine Floating Rate Fund | S&P UBS Leveraged Loan Index (Reflects no deduction for fees, expenses or taxes) [Member]          
Prospectus [Line Items]          
Average Annual Return, Percent   5.94% 6.37%   5.78%
American Beacon DoubleLine Floating Rate Fund | Y Class          
Prospectus [Line Items]          
Average Annual Return, Percent   6.75% 5.44%   4.56%
Performance Inception Date Feb. 01, 2013        
American Beacon DoubleLine Floating Rate Fund | Y Class | After Taxes on Distributions          
Prospectus [Line Items]          
Average Annual Return, Percent   3.76% 2.75%   2.30%
American Beacon DoubleLine Floating Rate Fund | Y Class | After Taxes on Distributions and Sales          
Prospectus [Line Items]          
Average Annual Return, Percent   3.94% 2.97%   2.48%
American Beacon DoubleLine Floating Rate Fund | Investor Class          
Prospectus [Line Items]          
Average Annual Return, Percent   6.46% 5.18%   4.29%
Performance Inception Date Feb. 01, 2013        
American Beacon DoubleLine Select Income Fund | Bloomberg US Aggregate Bond Index (Reflects no deduction for fees, expenses or taxes) [Member]          
Prospectus [Line Items]          
Average Annual Return, Percent   7.30% (0.36%) 1.75%  
American Beacon DoubleLine Select Income Fund | Y Class          
Prospectus [Line Items]          
Average Annual Return, Percent   7.59% 1.61% 2.97%  
Performance Inception Date Apr. 01, 2016        
American Beacon DoubleLine Select Income Fund | Y Class | After Taxes on Distributions          
Prospectus [Line Items]          
Average Annual Return, Percent   5.57% 0.10% 1.55%  
American Beacon DoubleLine Select Income Fund | Y Class | After Taxes on Distributions and Sales          
Prospectus [Line Items]          
Average Annual Return, Percent   4.46% 0.58% 1.66%  
American Beacon DoubleLine Select Income Fund | Investor Class          
Prospectus [Line Items]          
Average Annual Return, Percent   7.32% 1.36% 2.72%  
Performance Inception Date Apr. 01, 2016