American Beacon DoubleLine Floating Rate Fund American Beacon DoubleLine Floating Rate Fund American Beacon DoubleLine Select Income Fund American Beacon DoubleLine Select Income Fund Dabdoublelinefundsfyepro_2802 (American Beacon Funds) Dabdoublelinefundsfyesai_2801 AB DoubleLine Funds_FYE_08_31_SAI A Class - C000163584 A Class C Class - C000163585 C Class Y Class - C000163588 Y Class R5 Class - C000163586 R5 Class Investor Class - C000163587 Investor Class SP Class - C000163964 SP Class Y Class - C000267490 Y Class R6 Class - C000269735 R6 Class Investor Class - C000267489 Investor Class Asset-Backed Securities Risk Asset-Backed Securities Risk [Member] Asset Selection Risk Asset Selection Risk [Member] Callable Securities Risk Callable Securities Risk [Member] Collateralized Debt Obligations CDO Risk Collateralized Debt Obligations CDO Risk [Member] Collateralized Loan Obligations CLOs Risk Collateralized Loan Obligations CLOs Risk [Member] Confidential Information Access Risk [Member] Confidential Information Access Risk [Member] Counterparty Risk Counterparty Risk [Member] Covenant-Lite Obligations Risk Covenant-Lite Obligations Risk [Member] Credit Risk Credit Risk [Member] Currency Risk Currency Risk [Member] Cybersecurity and Operational Risk Cybersecurity and Operational Risk [Member] Debentures Risk Debentures Risk [Member] Debtor-in-Possession DIP Financing, Rescue Financing, and Exit Financing Risk [Member] Debtor-in-Possession DIP Financing, Rescue Financing, and Exit Financing Risk [Member] Defaulted Securities Risk [Member] Defaulted Securities Risk [Member] Delayed Funding Loans and Revolving Credit Facilities Risk Delayed Funding Loans and Revolving Credit Facilities Risk [Member] Emerging Markets Risk Emerging Markets Risk [Member] Foreign Investing Risk Foreign Investing Risk [Member] High Portfolio Turnover Risk High Portfolio Turnover Risk [Member] High-Yield Securities Risk High-Yield Securities Risk [Member] Inflation Index-Linked Securities Risk Inflation Index-Linked Securities Risk [Member] Interest Rate Risk Interest Rate Risk [Member] Investment Risk Investment Risk [Member] Issuer Risk Issuer Risk [Member] Liquidity Risk Liquidity Risk [Member] Litigation, Bankruptcy, and Other Proceedings Risk [Member] Litigation, Bankruptcy, and Other Proceedings Risk [Member] Loan Interests Risk Loan Interests Risk [Member] Market Risk Market Risk [Member] Market Timing Risk Market Timing Risk [Member] Mortgage-Backed and Mortgage-Related Securities Risk Mortgage-Backed and Mortgage-Related Securities Risk [Member] Other Investment Companies Risk Other Investment Companies Risk [Member] Prepayment and Extension Risk Prepayment and Extension Risk [Member] Redemption Risk Redemption Risk [Member] Reliance on Corporate Management and Financial Reporting Risk Reliance on Corporate Management and Financial Reporting Risk [Member] Repurchase Agreement Risk Repurchase Agreement Risk [Member] Restricted Securities Risk Restricted Securities Risk [Member] Secured, Partially Secured and Unsecured Obligation Risk Secured, Partially Secured and Unsecured Obligation Risk [Member] Securities Selection Risk Securities Selection Risk [Member] Stressed, Distressed, and Defaulted Securities Risk [Member] Stressed, Distressed, and Defaulted Securities Risk [Member] Structured Products and Structured Notes Risk [Member] Structured Products and Structured Notes Risk [Member] Unrated Securities Risk Unrated Securities Risk [Member] U.S. Government Securities and Government-Sponsored Enterprises Risk U.S. Government Securities and Government-Sponsored Enterprises Risk [Member] Valuation Risk Valuation Risk [Member] Variable and Floating Rate Securities Risk Variable and Floating Rate Securities Risk [Member] Bloomberg US Aggregate Bond Index (Reflects no deduction for fees, expenses or taxes) Bloomberg US Aggregate Bond Index (Reflects no deduction for fees, expenses or taxes) [Member] S&P UBS Leveraged Loan Index (Reflects no deduction for fees, expenses or taxes) S&P UBS Leveraged Loan Index (Reflects no deduction for fees, expenses or taxes) [Member] Derivatives Risk Derivatives Risk [Member] Foreign Exposure Risk Foreign Exposure Risk [Member] Infrastructure Investments Risk Infrastructure Investments Risk [Member] Model and Data Risk Model and Data Risk [Member] Municipal Securities Risk Municipal Securities Risk [Member] Sovereign and Quasi-Sovereign Debt Risk Sovereign and Quasi-Sovereign Debt Risk [Member] Supranational Risk Supranational Risk [Member]