v3.26.1
Shareholder Report
6 Months Ended
Apr. 30, 2026
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name AMERICAN BEACON FUNDS
Entity Central Index Key 0000809593
Entity Investment Company Type N-1A
Document Period End Date Apr. 30, 2026
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report
C000089421  
Shareholder Report [Line Items]  
Fund Name Balanced Fund
Class Name A
Trading Symbol ABFAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Balanced Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class A
$60
1.18%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 60
Expense Ratio, Percent 1.18% [1]
AssetsNet $ 107,835,283
Holdings Count | Holding 380
Advisory Fees Paid, Amount $ 278,989
InvestmentCompanyPortfolioTurnover 16.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$107,835,283
# of Portfolio Holdings
380
Portfolio Turnover Rate
16%
Total Management Fees Paid
$278,989
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Common Stocks
54.2
Corporate Obligations
11.6
U.S. Treasury Obligations
10.7
U.S. Agency Mortgage-Backed Obligations
9.2
Investment Companies
5.1
Foreign Common Stocks
3.8
Foreign Corporate Obligations
2.9
Asset-Backed Obligations
1.0
U.S. Government Agency Obligations
0.8
Foreign Sovereign Obligations
0.3
Commercial Mortgage-Backed Obligations
0.2
Securities Lending Collateral
0.2

The Fund may purchase and sell futures contracts to gain market exposure on cash balances.

Sector Allocation - % Equities

Group By Country Chart
Table Summary
Value
Value
Real Estate
1.7
Materials
4.5
Consumer Staples
4.6
Communication Services
5.2
Utilities
6.5
Consumer Discretionary
8.1
Industrials
10.3
Energy
10.3
Health Care
13.7
Information Technology
15.7
Financials
19.4
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
U.S. Treasury Notes, 3.750%, Due 8/31/2026
2.3
Alphabet, Inc., Class A
1.6
GE HealthCare Technologies, Inc.
1.5
Bank of America Corp.
1.4
Workday, Inc., Class A
1.3
APA Corp.
1.3
UnitedHealth Group, Inc.
1.2
Carnival Corp.
1.2
Microchip Technology, Inc.
1.1
Elevance Health, Inc.
1.1

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000004802  
Shareholder Report [Line Items]  
Fund Name Balanced Fund
Class Name Advisor
Trading Symbol ABLSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Balanced Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Advisor Class
$68
1.35%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 68
Expense Ratio, Percent 1.35% [2]
AssetsNet $ 107,835,283
Holdings Count | Holding 380
Advisory Fees Paid, Amount $ 278,989
InvestmentCompanyPortfolioTurnover 16.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$107,835,283
# of Portfolio Holdings
380
Portfolio Turnover Rate
16%
Total Management Fees Paid
$278,989
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Common Stocks
54.2
Corporate Obligations
11.6
U.S. Treasury Obligations
10.7
U.S. Agency Mortgage-Backed Obligations
9.2
Investment Companies
5.1
Foreign Common Stocks
3.8
Foreign Corporate Obligations
2.9
Asset-Backed Obligations
1.0
U.S. Government Agency Obligations
0.8
Foreign Sovereign Obligations
0.3
Commercial Mortgage-Backed Obligations
0.2
Securities Lending Collateral
0.2

The Fund may purchase and sell futures contracts to gain market exposure on cash balances.

Sector Allocation - % Equities

Group By Country Chart
Table Summary
Value
Value
Real Estate
1.7
Materials
4.5
Consumer Staples
4.6
Communication Services
5.2
Utilities
6.5
Consumer Discretionary
8.1
Industrials
10.3
Energy
10.3
Health Care
13.7
Information Technology
15.7
Financials
19.4
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
U.S. Treasury Notes, 3.750%, Due 8/31/2026
2.3
Alphabet, Inc., Class A
1.6
GE HealthCare Technologies, Inc.
1.5
Bank of America Corp.
1.4
Workday, Inc., Class A
1.3
APA Corp.
1.3
UnitedHealth Group, Inc.
1.2
Carnival Corp.
1.2
Microchip Technology, Inc.
1.1
Elevance Health, Inc.
1.1

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000092338  
Shareholder Report [Line Items]  
Fund Name Balanced Fund
Class Name C
Trading Symbol ABCCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Balanced Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class C
$98
1.94%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 98
Expense Ratio, Percent 1.94% [3]
AssetsNet $ 107,835,283
Holdings Count | Holding 380
Advisory Fees Paid, Amount $ 278,989
InvestmentCompanyPortfolioTurnover 16.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$107,835,283
# of Portfolio Holdings
380
Portfolio Turnover Rate
16%
Total Management Fees Paid
$278,989
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Common Stocks
54.2
Corporate Obligations
11.6
U.S. Treasury Obligations
10.7
U.S. Agency Mortgage-Backed Obligations
9.2
Investment Companies
5.1
Foreign Common Stocks
3.8
Foreign Corporate Obligations
2.9
Asset-Backed Obligations
1.0
U.S. Government Agency Obligations
0.8
Foreign Sovereign Obligations
0.3
Commercial Mortgage-Backed Obligations
0.2
Securities Lending Collateral
0.2

The Fund may purchase and sell futures contracts to gain market exposure on cash balances.

Sector Allocation - % Equities

Group By Country Chart
Table Summary
Value
Value
Real Estate
1.7
Materials
4.5
Consumer Staples
4.6
Communication Services
5.2
Utilities
6.5
Consumer Discretionary
8.1
Industrials
10.3
Energy
10.3
Health Care
13.7
Information Technology
15.7
Financials
19.4
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
U.S. Treasury Notes, 3.750%, Due 8/31/2026
2.3
Alphabet, Inc., Class A
1.6
GE HealthCare Technologies, Inc.
1.5
Bank of America Corp.
1.4
Workday, Inc., Class A
1.3
APA Corp.
1.3
UnitedHealth Group, Inc.
1.2
Carnival Corp.
1.2
Microchip Technology, Inc.
1.1
Elevance Health, Inc.
1.1

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000002090  
Shareholder Report [Line Items]  
Fund Name Balanced Fund
Class Name Investor
Trading Symbol AABPX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Balanced Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Investor
$58
1.14%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 58
Expense Ratio, Percent 1.14% [4]
AssetsNet $ 107,835,283
Holdings Count | Holding 380
Advisory Fees Paid, Amount $ 278,989
InvestmentCompanyPortfolioTurnover 16.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$107,835,283
# of Portfolio Holdings
380
Portfolio Turnover Rate
16%
Total Management Fees Paid
$278,989
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Common Stocks
54.2
Corporate Obligations
11.6
U.S. Treasury Obligations
10.7
U.S. Agency Mortgage-Backed Obligations
9.2
Investment Companies
5.1
Foreign Common Stocks
3.8
Foreign Corporate Obligations
2.9
Asset-Backed Obligations
1.0
U.S. Government Agency Obligations
0.8
Foreign Sovereign Obligations
0.3
Commercial Mortgage-Backed Obligations
0.2
Securities Lending Collateral
0.2

The Fund may purchase and sell futures contracts to gain market exposure on cash balances.

Sector Allocation - % Equities

Group By Country Chart
Table Summary
Value
Value
Real Estate
1.7
Materials
4.5
Consumer Staples
4.6
Communication Services
5.2
Utilities
6.5
Consumer Discretionary
8.1
Industrials
10.3
Energy
10.3
Health Care
13.7
Information Technology
15.7
Financials
19.4
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
U.S. Treasury Notes, 3.750%, Due 8/31/2026
2.3
Alphabet, Inc., Class A
1.6
GE HealthCare Technologies, Inc.
1.5
Bank of America Corp.
1.4
Workday, Inc., Class A
1.3
APA Corp.
1.3
UnitedHealth Group, Inc.
1.2
Carnival Corp.
1.2
Microchip Technology, Inc.
1.1
Elevance Health, Inc.
1.1

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000002089  
Shareholder Report [Line Items]  
Fund Name Balanced Fund
Class Name R5
Trading Symbol AADBX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Balanced Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
R5
$44
0.87%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 44
Expense Ratio, Percent 0.87% [5]
AssetsNet $ 107,835,283
Holdings Count | Holding 380
Advisory Fees Paid, Amount $ 278,989
InvestmentCompanyPortfolioTurnover 16.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$107,835,283
# of Portfolio Holdings
380
Portfolio Turnover Rate
16%
Total Management Fees Paid
$278,989
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Common Stocks
54.2
Corporate Obligations
11.6
U.S. Treasury Obligations
10.7
U.S. Agency Mortgage-Backed Obligations
9.2
Investment Companies
5.1
Foreign Common Stocks
3.8
Foreign Corporate Obligations
2.9
Asset-Backed Obligations
1.0
U.S. Government Agency Obligations
0.8
Foreign Sovereign Obligations
0.3
Commercial Mortgage-Backed Obligations
0.2
Securities Lending Collateral
0.2

The Fund may purchase and sell futures contracts to gain market exposure on cash balances.

Sector Allocation - % Equities

Group By Country Chart
Table Summary
Value
Value
Real Estate
1.7
Materials
4.5
Consumer Staples
4.6
Communication Services
5.2
Utilities
6.5
Consumer Discretionary
8.1
Industrials
10.3
Energy
10.3
Health Care
13.7
Information Technology
15.7
Financials
19.4
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
U.S. Treasury Notes, 3.750%, Due 8/31/2026
2.3
Alphabet, Inc., Class A
1.6
GE HealthCare Technologies, Inc.
1.5
Bank of America Corp.
1.4
Workday, Inc., Class A
1.3
APA Corp.
1.3
UnitedHealth Group, Inc.
1.2
Carnival Corp.
1.2
Microchip Technology, Inc.
1.1
Elevance Health, Inc.
1.1

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000085576  
Shareholder Report [Line Items]  
Fund Name Balanced Fund
Class Name Y
Trading Symbol ACBYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Balanced Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Y
$47
0.93%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 47
Expense Ratio, Percent 0.93% [6]
AssetsNet $ 107,835,283
Holdings Count | Holding 380
Advisory Fees Paid, Amount $ 278,989
InvestmentCompanyPortfolioTurnover 16.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$107,835,283
# of Portfolio Holdings
380
Portfolio Turnover Rate
16%
Total Management Fees Paid
$278,989
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Common Stocks
54.2
Corporate Obligations
11.6
U.S. Treasury Obligations
10.7
U.S. Agency Mortgage-Backed Obligations
9.2
Investment Companies
5.1
Foreign Common Stocks
3.8
Foreign Corporate Obligations
2.9
Asset-Backed Obligations
1.0
U.S. Government Agency Obligations
0.8
Foreign Sovereign Obligations
0.3
Commercial Mortgage-Backed Obligations
0.2
Securities Lending Collateral
0.2

The Fund may purchase and sell futures contracts to gain market exposure on cash balances.

Sector Allocation - % Equities

Group By Country Chart
Table Summary
Value
Value
Real Estate
1.7
Materials
4.5
Consumer Staples
4.6
Communication Services
5.2
Utilities
6.5
Consumer Discretionary
8.1
Industrials
10.3
Energy
10.3
Health Care
13.7
Information Technology
15.7
Financials
19.4
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
U.S. Treasury Notes, 3.750%, Due 8/31/2026
2.3
Alphabet, Inc., Class A
1.6
GE HealthCare Technologies, Inc.
1.5
Bank of America Corp.
1.4
Workday, Inc., Class A
1.3
APA Corp.
1.3
UnitedHealth Group, Inc.
1.2
Carnival Corp.
1.2
Microchip Technology, Inc.
1.1
Elevance Health, Inc.
1.1

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000089428  
Shareholder Report [Line Items]  
Fund Name International Equity Fund
Class Name A
Trading Symbol AIEAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon International Equity Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class A
$61
1.18%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 61
Expense Ratio, Percent 1.18% [7]
AssetsNet $ 588,733,814
Holdings Count | Holding 160
Advisory Fees Paid, Amount $ 1,715,972
InvestmentCompanyPortfolioTurnover 28.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$588,733,814
# of Portfolio Holdings
160
Portfolio Turnover Rate
28%
Total Management Fees Paid
$1,715,972
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Foreign Common Stocks
89.2
Common Stocks
6.9
Investment Companies
3.0
Securities Lending Collateral
0.7
Foreign Preferred Stocks
0.2

The Fund may purchase and sell futures contracts to gain market exposure on cash balances. 

Sector Allocation - % Equities

Group By Country Chart
Table Summary
Value
Value
Real Estate
0.8
Utilities
2.4
Communication Services
2.9
Energy
5.8
Materials
7.1
Consumer Staples
8.7
Health Care
8.9
Information Technology
9.8
Consumer Discretionary
10.1
Industrials
19.3
Financials
24.2
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
AstraZeneca PLC
2.5
Shell PLC
2.1
Barclays PLC
2.0
Cie de Saint-Gobain SA
1.9
BNP Paribas SA
1.8
Banco Santander SA
1.8
RELX PLC
1.5
Heineken NV
1.5
Renesas Electronics Corp.
1.5
Kering SA
1.4

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000004786  
Shareholder Report [Line Items]  
Fund Name International Equity Fund
Class Name Advisor
Trading Symbol AAISX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon International Equity Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Advisor Class
$64
1.24%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 64
Expense Ratio, Percent 1.24% [8]
AssetsNet $ 588,733,814
Holdings Count | Holding 160
Advisory Fees Paid, Amount $ 1,715,972
InvestmentCompanyPortfolioTurnover 28.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$588,733,814
# of Portfolio Holdings
160
Portfolio Turnover Rate
28%
Total Management Fees Paid
$1,715,972
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Foreign Common Stocks
89.2
Common Stocks
6.9
Investment Companies
3.0
Securities Lending Collateral
0.7
Foreign Preferred Stocks
0.2

The Fund may purchase and sell futures contracts to gain market exposure on cash balances. 

Sector Allocation - % Equities

Group By Country Chart
Table Summary
Value
Value
Real Estate
0.8
Utilities
2.4
Communication Services
2.9
Energy
5.8
Materials
7.1
Consumer Staples
8.7
Health Care
8.9
Information Technology
9.8
Consumer Discretionary
10.1
Industrials
19.3
Financials
24.2
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
AstraZeneca PLC
2.5
Shell PLC
2.1
Barclays PLC
2.0
Cie de Saint-Gobain SA
1.9
BNP Paribas SA
1.8
Banco Santander SA
1.8
RELX PLC
1.5
Heineken NV
1.5
Renesas Electronics Corp.
1.5
Kering SA
1.4

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000092345  
Shareholder Report [Line Items]  
Fund Name International Equity Fund
Class Name C
Trading Symbol AILCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon International Equity Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class C
$107
2.09%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 107
Expense Ratio, Percent 2.09% [9]
AssetsNet $ 588,733,814
Holdings Count | Holding 160
Advisory Fees Paid, Amount $ 1,715,972
InvestmentCompanyPortfolioTurnover 28.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$588,733,814
# of Portfolio Holdings
160
Portfolio Turnover Rate
28%
Total Management Fees Paid
$1,715,972
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Foreign Common Stocks
89.2
Common Stocks
6.9
Investment Companies
3.0
Securities Lending Collateral
0.7
Foreign Preferred Stocks
0.2

The Fund may purchase and sell futures contracts to gain market exposure on cash balances. 

Sector Allocation - % Equities

Group By Country Chart
Table Summary
Value
Value
Real Estate
0.8
Utilities
2.4
Communication Services
2.9
Energy
5.8
Materials
7.1
Consumer Staples
8.7
Health Care
8.9
Information Technology
9.8
Consumer Discretionary
10.1
Industrials
19.3
Financials
24.2
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
AstraZeneca PLC
2.5
Shell PLC
2.1
Barclays PLC
2.0
Cie de Saint-Gobain SA
1.9
BNP Paribas SA
1.8
Banco Santander SA
1.8
RELX PLC
1.5
Heineken NV
1.5
Renesas Electronics Corp.
1.5
Kering SA
1.4

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000004785  
Shareholder Report [Line Items]  
Fund Name International Equity Fund
Class Name Investor
Trading Symbol AAIPX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon International Equity Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Investor
$55
1.07%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 55
Expense Ratio, Percent 1.07% [10]
AssetsNet $ 588,733,814
Holdings Count | Holding 160
Advisory Fees Paid, Amount $ 1,715,972
InvestmentCompanyPortfolioTurnover 28.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$588,733,814
# of Portfolio Holdings
160
Portfolio Turnover Rate
28%
Total Management Fees Paid
$1,715,972
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Foreign Common Stocks
89.2
Common Stocks
6.9
Investment Companies
3.0
Securities Lending Collateral
0.7
Foreign Preferred Stocks
0.2

The Fund may purchase and sell futures contracts to gain market exposure on cash balances. 

Sector Allocation - % Equities

Group By Country Chart
Table Summary
Value
Value
Real Estate
0.8
Utilities
2.4
Communication Services
2.9
Energy
5.8
Materials
7.1
Consumer Staples
8.7
Health Care
8.9
Information Technology
9.8
Consumer Discretionary
10.1
Industrials
19.3
Financials
24.2
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
AstraZeneca PLC
2.5
Shell PLC
2.1
Barclays PLC
2.0
Cie de Saint-Gobain SA
1.9
BNP Paribas SA
1.8
Banco Santander SA
1.8
RELX PLC
1.5
Heineken NV
1.5
Renesas Electronics Corp.
1.5
Kering SA
1.4

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000004784  
Shareholder Report [Line Items]  
Fund Name International Equity Fund
Class Name R5
Trading Symbol AAIEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon International Equity Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
R5
$39
0.76%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 39
Expense Ratio, Percent 0.76% [11]
AssetsNet $ 588,733,814
Holdings Count | Holding 160
Advisory Fees Paid, Amount $ 1,715,972
InvestmentCompanyPortfolioTurnover 28.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$588,733,814
# of Portfolio Holdings
160
Portfolio Turnover Rate
28%
Total Management Fees Paid
$1,715,972
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Foreign Common Stocks
89.2
Common Stocks
6.9
Investment Companies
3.0
Securities Lending Collateral
0.7
Foreign Preferred Stocks
0.2

The Fund may purchase and sell futures contracts to gain market exposure on cash balances. 

Sector Allocation - % Equities

Group By Country Chart
Table Summary
Value
Value
Real Estate
0.8
Utilities
2.4
Communication Services
2.9
Energy
5.8
Materials
7.1
Consumer Staples
8.7
Health Care
8.9
Information Technology
9.8
Consumer Discretionary
10.1
Industrials
19.3
Financials
24.2
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
AstraZeneca PLC
2.5
Shell PLC
2.1
Barclays PLC
2.0
Cie de Saint-Gobain SA
1.9
BNP Paribas SA
1.8
Banco Santander SA
1.8
RELX PLC
1.5
Heineken NV
1.5
Renesas Electronics Corp.
1.5
Kering SA
1.4

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000185593  
Shareholder Report [Line Items]  
Fund Name International Equity Fund
Class Name R6
Trading Symbol AAERX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon International Equity Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
R6
$35
0.69%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 35
Expense Ratio, Percent 0.69% [12]
AssetsNet $ 588,733,814
Holdings Count | Holding 160
Advisory Fees Paid, Amount $ 1,715,972
InvestmentCompanyPortfolioTurnover 28.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$588,733,814
# of Portfolio Holdings
160
Portfolio Turnover Rate
28%
Total Management Fees Paid
$1,715,972
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Foreign Common Stocks
89.2
Common Stocks
6.9
Investment Companies
3.0
Securities Lending Collateral
0.7
Foreign Preferred Stocks
0.2

The Fund may purchase and sell futures contracts to gain market exposure on cash balances. 

Sector Allocation - % Equities

Group By Country Chart
Table Summary
Value
Value
Real Estate
0.8
Utilities
2.4
Communication Services
2.9
Energy
5.8
Materials
7.1
Consumer Staples
8.7
Health Care
8.9
Information Technology
9.8
Consumer Discretionary
10.1
Industrials
19.3
Financials
24.2
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
AstraZeneca PLC
2.5
Shell PLC
2.1
Barclays PLC
2.0
Cie de Saint-Gobain SA
1.9
BNP Paribas SA
1.8
Banco Santander SA
1.8
RELX PLC
1.5
Heineken NV
1.5
Renesas Electronics Corp.
1.5
Kering SA
1.4

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000079124  
Shareholder Report [Line Items]  
Fund Name International Equity Fund
Class Name Y
Trading Symbol ABEYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon International Equity Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Y
$43
0.83%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.83% [13]
AssetsNet $ 588,733,814
Holdings Count | Holding 160
Advisory Fees Paid, Amount $ 1,715,972
InvestmentCompanyPortfolioTurnover 28.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$588,733,814
# of Portfolio Holdings
160
Portfolio Turnover Rate
28%
Total Management Fees Paid
$1,715,972
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Foreign Common Stocks
89.2
Common Stocks
6.9
Investment Companies
3.0
Securities Lending Collateral
0.7
Foreign Preferred Stocks
0.2

The Fund may purchase and sell futures contracts to gain market exposure on cash balances. 

Sector Allocation - % Equities

Group By Country Chart
Table Summary
Value
Value
Real Estate
0.8
Utilities
2.4
Communication Services
2.9
Energy
5.8
Materials
7.1
Consumer Staples
8.7
Health Care
8.9
Information Technology
9.8
Consumer Discretionary
10.1
Industrials
19.3
Financials
24.2
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
AstraZeneca PLC
2.5
Shell PLC
2.1
Barclays PLC
2.0
Cie de Saint-Gobain SA
1.9
BNP Paribas SA
1.8
Banco Santander SA
1.8
RELX PLC
1.5
Heineken NV
1.5
Renesas Electronics Corp.
1.5
Kering SA
1.4

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000167880  
Shareholder Report [Line Items]  
Fund Name Garcia Hamilton Quality Bond Fund
Class Name Investor
Trading Symbol GHQPX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Garcia Hamilton Quality Bond Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Investor
$41
0.83%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.83% [14]
AssetsNet $ 354,916,793
Holdings Count | Holding 27
Advisory Fees Paid, Amount $ 535,836
InvestmentCompanyPortfolioTurnover 24.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$354,916,793
# of Portfolio Holdings
27
Portfolio Turnover Rate
24%
Total Management Fees Paid
$535,836
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
U.S. Agency Mortgage-Backed Obligations
50.4
U.S. Treasury Obligations
46.7
Corporate Obligations
2.9
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
U.S. Treasury Notes, 4.000%, Due 2/15/2034
11.4
U.S. Treasury Bonds, 3.750%, Due 8/15/2041
9.9
U.S. Treasury Notes, 3.875%, Due 8/15/2034
7.8
U.S. Treasury Notes, 3.500%, Due 2/15/2033
6.9
U.S. Treasury Bonds, 2.500%, Due 2/15/2045
5.0
Federal Home Loan Mortgage Corp., 2.000%, Due 10/1/2052
4.9
Federal Home Loan Mortgage Corp., 2.500%, Due 4/1/2052
4.8
Federal Home Loan Mortgage Corp., 3.000%, Due 6/1/2052
3.6
Federal National Mortgage Association, 3.000%, Due 5/1/2052
3.4
Federal Home Loan Mortgage Corp., 4.000%, Due 11/1/2052
3.3

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000167879  
Shareholder Report [Line Items]  
Fund Name Garcia Hamilton Quality Bond Fund
Class Name R5
Trading Symbol GHQIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Garcia Hamilton Quality Bond Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
R5
$22
0.45%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 22
Expense Ratio, Percent 0.45% [15]
AssetsNet $ 354,916,793
Holdings Count | Holding 27
Advisory Fees Paid, Amount $ 535,836
InvestmentCompanyPortfolioTurnover 24.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$354,916,793
# of Portfolio Holdings
27
Portfolio Turnover Rate
24%
Total Management Fees Paid
$535,836
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
U.S. Agency Mortgage-Backed Obligations
50.4
U.S. Treasury Obligations
46.7
Corporate Obligations
2.9
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
U.S. Treasury Notes, 4.000%, Due 2/15/2034
11.4
U.S. Treasury Bonds, 3.750%, Due 8/15/2041
9.9
U.S. Treasury Notes, 3.875%, Due 8/15/2034
7.8
U.S. Treasury Notes, 3.500%, Due 2/15/2033
6.9
U.S. Treasury Bonds, 2.500%, Due 2/15/2045
5.0
Federal Home Loan Mortgage Corp., 2.000%, Due 10/1/2052
4.9
Federal Home Loan Mortgage Corp., 2.500%, Due 4/1/2052
4.8
Federal Home Loan Mortgage Corp., 3.000%, Due 6/1/2052
3.6
Federal National Mortgage Association, 3.000%, Due 5/1/2052
3.4
Federal Home Loan Mortgage Corp., 4.000%, Due 11/1/2052
3.3

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000211731  
Shareholder Report [Line Items]  
Fund Name Garcia Hamilton Quality Bond Fund
Class Name R6
Trading Symbol GHQRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Garcia Hamilton Quality Bond Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
R6
$20
0.41%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 20
Expense Ratio, Percent 0.41% [16]
AssetsNet $ 354,916,793
Holdings Count | Holding 27
Advisory Fees Paid, Amount $ 535,836
InvestmentCompanyPortfolioTurnover 24.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$354,916,793
# of Portfolio Holdings
27
Portfolio Turnover Rate
24%
Total Management Fees Paid
$535,836
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
U.S. Agency Mortgage-Backed Obligations
50.4
U.S. Treasury Obligations
46.7
Corporate Obligations
2.9
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
U.S. Treasury Notes, 4.000%, Due 2/15/2034
11.4
U.S. Treasury Bonds, 3.750%, Due 8/15/2041
9.9
U.S. Treasury Notes, 3.875%, Due 8/15/2034
7.8
U.S. Treasury Notes, 3.500%, Due 2/15/2033
6.9
U.S. Treasury Bonds, 2.500%, Due 2/15/2045
5.0
Federal Home Loan Mortgage Corp., 2.000%, Due 10/1/2052
4.9
Federal Home Loan Mortgage Corp., 2.500%, Due 4/1/2052
4.8
Federal Home Loan Mortgage Corp., 3.000%, Due 6/1/2052
3.6
Federal National Mortgage Association, 3.000%, Due 5/1/2052
3.4
Federal Home Loan Mortgage Corp., 4.000%, Due 11/1/2052
3.3

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000167881  
Shareholder Report [Line Items]  
Fund Name Garcia Hamilton Quality Bond Fund
Class Name Y
Trading Symbol GHQYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Garcia Hamilton Quality Bond Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Y
$25
0.51%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 25
Expense Ratio, Percent 0.51% [17]
AssetsNet $ 354,916,793
Holdings Count | Holding 27
Advisory Fees Paid, Amount $ 535,836
InvestmentCompanyPortfolioTurnover 24.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$354,916,793
# of Portfolio Holdings
27
Portfolio Turnover Rate
24%
Total Management Fees Paid
$535,836
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
U.S. Agency Mortgage-Backed Obligations
50.4
U.S. Treasury Obligations
46.7
Corporate Obligations
2.9
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
U.S. Treasury Notes, 4.000%, Due 2/15/2034
11.4
U.S. Treasury Bonds, 3.750%, Due 8/15/2041
9.9
U.S. Treasury Notes, 3.875%, Due 8/15/2034
7.8
U.S. Treasury Notes, 3.500%, Due 2/15/2033
6.9
U.S. Treasury Bonds, 2.500%, Due 2/15/2045
5.0
Federal Home Loan Mortgage Corp., 2.000%, Due 10/1/2052
4.9
Federal Home Loan Mortgage Corp., 2.500%, Due 4/1/2052
4.8
Federal Home Loan Mortgage Corp., 3.000%, Due 6/1/2052
3.6
Federal National Mortgage Association, 3.000%, Due 5/1/2052
3.4
Federal Home Loan Mortgage Corp., 4.000%, Due 11/1/2052
3.3

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000206040  
Shareholder Report [Line Items]  
Fund Name IMC International Small Cap Fund
Class Name Investor
Trading Symbol TIVFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon IMC International Small Cap Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Investor
$74
1.30%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 74
Expense Ratio, Percent 1.30% [18]
AssetsNet $ 217,562,174
Holdings Count | Holding 164
Advisory Fees Paid, Amount $ 590,781
InvestmentCompanyPortfolioTurnover 89.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$217,562,174
# of Portfolio Holdings
164
Portfolio Turnover Rate
89%
Total Management Fees Paid
$590,781
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Foreign Common Stocks
93.8
Investment Companies
4.2
Common Stocks
1.3
Securities Lending Collateral
0.7

The Fund may purchase and sell futures contracts to gain market exposure on cash balances. 

Sector Allocation - % Equities

Group By Country Chart
Table Summary
Value
Value
Communication Services
0.8
Consumer Staples
1.3
Utilities
2.0
Health Care
2.9
Consumer Discretionary
4.2
Financials
8.9
Energy
10.4
Materials
10.7
Information Technology
28.7
Industrials
30.1
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
Ibiden Co. Ltd.
1.1
Enerflex Ltd.
1.1
Samsung Electro-Mechanics Co. Ltd.
1.0
MTAR Technologies Ltd.
1.0
Kioxia Holdings Corp.
1.0
Tamarack Valley Energy Ltd.
1.0
5N Plus, Inc.
0.9
ASPEED Technology, Inc.
0.9
Asia Vital Components Co. Ltd.
0.9
Browave Corp.
0.9

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000206039  
Shareholder Report [Line Items]  
Fund Name IMC International Small Cap Fund
Class Name R5
Trading Symbol TOVIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon IMC International Small Cap Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
R5
$51
0.89%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 51
Expense Ratio, Percent 0.89% [19]
AssetsNet $ 217,562,174
Holdings Count | Holding 164
Advisory Fees Paid, Amount $ 590,781
InvestmentCompanyPortfolioTurnover 89.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$217,562,174
# of Portfolio Holdings
164
Portfolio Turnover Rate
89%
Total Management Fees Paid
$590,781
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Foreign Common Stocks
93.8
Investment Companies
4.2
Common Stocks
1.3
Securities Lending Collateral
0.7

The Fund may purchase and sell futures contracts to gain market exposure on cash balances. 

Sector Allocation - % Equities

Group By Country Chart
Table Summary
Value
Value
Communication Services
0.8
Consumer Staples
1.3
Utilities
2.0
Health Care
2.9
Consumer Discretionary
4.2
Financials
8.9
Energy
10.4
Materials
10.7
Information Technology
28.7
Industrials
30.1
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
Ibiden Co. Ltd.
1.1
Enerflex Ltd.
1.1
Samsung Electro-Mechanics Co. Ltd.
1.0
MTAR Technologies Ltd.
1.0
Kioxia Holdings Corp.
1.0
Tamarack Valley Energy Ltd.
1.0
5N Plus, Inc.
0.9
ASPEED Technology, Inc.
0.9
Asia Vital Components Co. Ltd.
0.9
Browave Corp.
0.9

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000206041  
Shareholder Report [Line Items]  
Fund Name IMC International Small Cap Fund
Class Name Y
Trading Symbol TOVYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon IMC International Small Cap Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Y
$62
1.10%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 62
Expense Ratio, Percent 1.10% [20]
AssetsNet $ 217,562,174
Holdings Count | Holding 164
Advisory Fees Paid, Amount $ 590,781
InvestmentCompanyPortfolioTurnover 89.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$217,562,174
# of Portfolio Holdings
164
Portfolio Turnover Rate
89%
Total Management Fees Paid
$590,781
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Foreign Common Stocks
93.8
Investment Companies
4.2
Common Stocks
1.3
Securities Lending Collateral
0.7

The Fund may purchase and sell futures contracts to gain market exposure on cash balances. 

Sector Allocation - % Equities

Group By Country Chart
Table Summary
Value
Value
Communication Services
0.8
Consumer Staples
1.3
Utilities
2.0
Health Care
2.9
Consumer Discretionary
4.2
Financials
8.9
Energy
10.4
Materials
10.7
Information Technology
28.7
Industrials
30.1
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
Ibiden Co. Ltd.
1.1
Enerflex Ltd.
1.1
Samsung Electro-Mechanics Co. Ltd.
1.0
MTAR Technologies Ltd.
1.0
Kioxia Holdings Corp.
1.0
Tamarack Valley Energy Ltd.
1.0
5N Plus, Inc.
0.9
ASPEED Technology, Inc.
0.9
Asia Vital Components Co. Ltd.
0.9
Browave Corp.
0.9

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000089422  
Shareholder Report [Line Items]  
Fund Name Large Cap Value Fund
Class Name A
Trading Symbol ALVAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Large Cap Value Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class A
$52
1.02%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 52
Expense Ratio, Percent 1.02% [21]
AssetsNet $ 3,006,439,135
Holdings Count | Holding 164
Advisory Fees Paid, Amount $ 8,808,509
InvestmentCompanyPortfolioTurnover 13.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$3,006,439,135
# of Portfolio Holdings
164
Portfolio Turnover Rate
13%
Total Management Fees Paid
$8,808,509
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Common Stocks
91.3
Foreign Common Stocks
5.3
Investment Companies
2.9
Securities Lending Collateral
0.5

The Fund may purchase and sell futures contracts to gain market exposure on cash balances. 

Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
Exxon Mobil Corp.
1.8
Alphabet, Inc., Class A
1.7
GE HealthCare Technologies, Inc.
1.7
Elevance Health, Inc.
1.6
Citigroup, Inc.
1.6
Workday, Inc., Class A
1.5
JPMorgan Chase & Co.
1.4
Bank of America Corp.
1.4
Wells Fargo & Co.
1.4
APA Corp.
1.4

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000004803  
Shareholder Report [Line Items]  
Fund Name Large Cap Value Fund
Class Name Advisor
Trading Symbol AVASX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Large Cap Value Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Advisor Class
$58
1.13%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 58
Expense Ratio, Percent 1.13% [22]
AssetsNet $ 3,006,439,135
Holdings Count | Holding 164
Advisory Fees Paid, Amount $ 8,808,509
InvestmentCompanyPortfolioTurnover 13.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$3,006,439,135
# of Portfolio Holdings
164
Portfolio Turnover Rate
13%
Total Management Fees Paid
$8,808,509
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Common Stocks
91.3
Foreign Common Stocks
5.3
Investment Companies
2.9
Securities Lending Collateral
0.5

The Fund may purchase and sell futures contracts to gain market exposure on cash balances. 

Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
Exxon Mobil Corp.
1.8
Alphabet, Inc., Class A
1.7
GE HealthCare Technologies, Inc.
1.7
Elevance Health, Inc.
1.6
Citigroup, Inc.
1.6
Workday, Inc., Class A
1.5
JPMorgan Chase & Co.
1.4
Bank of America Corp.
1.4
Wells Fargo & Co.
1.4
APA Corp.
1.4

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000092339  
Shareholder Report [Line Items]  
Fund Name Large Cap Value Fund
Class Name C
Trading Symbol ALVCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Large Cap Value Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class C
$89
1.73%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 89
Expense Ratio, Percent 1.73% [23]
AssetsNet $ 3,006,439,135
Holdings Count | Holding 164
Advisory Fees Paid, Amount $ 8,808,509
InvestmentCompanyPortfolioTurnover 13.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$3,006,439,135
# of Portfolio Holdings
164
Portfolio Turnover Rate
13%
Total Management Fees Paid
$8,808,509
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Common Stocks
91.3
Foreign Common Stocks
5.3
Investment Companies
2.9
Securities Lending Collateral
0.5

The Fund may purchase and sell futures contracts to gain market exposure on cash balances. 

Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
Exxon Mobil Corp.
1.8
Alphabet, Inc., Class A
1.7
GE HealthCare Technologies, Inc.
1.7
Elevance Health, Inc.
1.6
Citigroup, Inc.
1.6
Workday, Inc., Class A
1.5
JPMorgan Chase & Co.
1.4
Bank of America Corp.
1.4
Wells Fargo & Co.
1.4
APA Corp.
1.4

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000002970  
Shareholder Report [Line Items]  
Fund Name Large Cap Value Fund
Class Name Investor
Trading Symbol AAGPX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Large Cap Value Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Investor
$49
0.96%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 49
Expense Ratio, Percent 0.96% [24]
AssetsNet $ 3,006,439,135
Holdings Count | Holding 164
Advisory Fees Paid, Amount $ 8,808,509
InvestmentCompanyPortfolioTurnover 13.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$3,006,439,135
# of Portfolio Holdings
164
Portfolio Turnover Rate
13%
Total Management Fees Paid
$8,808,509
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Common Stocks
91.3
Foreign Common Stocks
5.3
Investment Companies
2.9
Securities Lending Collateral
0.5

The Fund may purchase and sell futures contracts to gain market exposure on cash balances. 

Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
Exxon Mobil Corp.
1.8
Alphabet, Inc., Class A
1.7
GE HealthCare Technologies, Inc.
1.7
Elevance Health, Inc.
1.6
Citigroup, Inc.
1.6
Workday, Inc., Class A
1.5
JPMorgan Chase & Co.
1.4
Bank of America Corp.
1.4
Wells Fargo & Co.
1.4
APA Corp.
1.4

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000002969  
Shareholder Report [Line Items]  
Fund Name Large Cap Value Fund
Class Name R5
Trading Symbol AADEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Large Cap Value Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
R5
$34
0.66%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 34
Expense Ratio, Percent 0.66% [25]
AssetsNet $ 3,006,439,135
Holdings Count | Holding 164
Advisory Fees Paid, Amount $ 8,808,509
InvestmentCompanyPortfolioTurnover 13.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$3,006,439,135
# of Portfolio Holdings
164
Portfolio Turnover Rate
13%
Total Management Fees Paid
$8,808,509
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Common Stocks
91.3
Foreign Common Stocks
5.3
Investment Companies
2.9
Securities Lending Collateral
0.5

The Fund may purchase and sell futures contracts to gain market exposure on cash balances. 

Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
Exxon Mobil Corp.
1.8
Alphabet, Inc., Class A
1.7
GE HealthCare Technologies, Inc.
1.7
Elevance Health, Inc.
1.6
Citigroup, Inc.
1.6
Workday, Inc., Class A
1.5
JPMorgan Chase & Co.
1.4
Bank of America Corp.
1.4
Wells Fargo & Co.
1.4
APA Corp.
1.4

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000185590  
Shareholder Report [Line Items]  
Fund Name Large Cap Value Fund
Class Name R6
Trading Symbol AALRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Large Cap Value Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
R6
$32
0.62%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 32
Expense Ratio, Percent 0.62% [26]
AssetsNet $ 3,006,439,135
Holdings Count | Holding 164
Advisory Fees Paid, Amount $ 8,808,509
InvestmentCompanyPortfolioTurnover 13.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$3,006,439,135
# of Portfolio Holdings
164
Portfolio Turnover Rate
13%
Total Management Fees Paid
$8,808,509
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Common Stocks
91.3
Foreign Common Stocks
5.3
Investment Companies
2.9
Securities Lending Collateral
0.5

The Fund may purchase and sell futures contracts to gain market exposure on cash balances. 

Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
Exxon Mobil Corp.
1.8
Alphabet, Inc., Class A
1.7
GE HealthCare Technologies, Inc.
1.7
Elevance Health, Inc.
1.6
Citigroup, Inc.
1.6
Workday, Inc., Class A
1.5
JPMorgan Chase & Co.
1.4
Bank of America Corp.
1.4
Wells Fargo & Co.
1.4
APA Corp.
1.4

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000079122  
Shareholder Report [Line Items]  
Fund Name Large Cap Value Fund
Class Name Y
Trading Symbol ABLYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Large Cap Value Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Y
$37
0.72%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 37
Expense Ratio, Percent 0.72% [27]
AssetsNet $ 3,006,439,135
Holdings Count | Holding 164
Advisory Fees Paid, Amount $ 8,808,509
InvestmentCompanyPortfolioTurnover 13.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$3,006,439,135
# of Portfolio Holdings
164
Portfolio Turnover Rate
13%
Total Management Fees Paid
$8,808,509
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Common Stocks
91.3
Foreign Common Stocks
5.3
Investment Companies
2.9
Securities Lending Collateral
0.5

The Fund may purchase and sell futures contracts to gain market exposure on cash balances. 

Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
Exxon Mobil Corp.
1.8
Alphabet, Inc., Class A
1.7
GE HealthCare Technologies, Inc.
1.7
Elevance Health, Inc.
1.6
Citigroup, Inc.
1.6
Workday, Inc., Class A
1.5
JPMorgan Chase & Co.
1.4
Bank of America Corp.
1.4
Wells Fargo & Co.
1.4
APA Corp.
1.4

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000089424  
Shareholder Report [Line Items]  
Fund Name Small Cap Value Fund
Class Name A
Trading Symbol ABSAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Small Cap Value Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class A
$65
1.19%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 65
Expense Ratio, Percent 1.19% [28]
AssetsNet $ 3,829,405,021
Holdings Count | Holding 447
Advisory Fees Paid, Amount $ 12,167,959
InvestmentCompanyPortfolioTurnover 35.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$3,829,405,021
# of Portfolio Holdings
447
Portfolio Turnover Rate
35%
Total Management Fees Paid
$12,167,959
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Common Stocks
93.0
Investment Companies
2.9
Foreign Common Stocks
2.8
Securities Lending Collateral
1.3

The Fund may purchase and sell futures contracts to gain market exposure on cash balances.

Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
Standex International Corp.
1.3
Avnet, Inc.
1.3
Knife River Corp.
1.0
Murphy Oil Corp.
0.9
F5, Inc.
0.9
Olin Corp.
0.9
ATI, Inc.
0.9
AAR Corp.
0.8
Stagwell, Inc.
0.8
SLM Corp.
0.8

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000004770  
Shareholder Report [Line Items]  
Fund Name Small Cap Value Fund
Class Name Advisor
Trading Symbol AASSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Small Cap Value Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Advisor Class
$69
1.26%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 69
Expense Ratio, Percent 1.26% [29]
AssetsNet $ 3,829,405,021
Holdings Count | Holding 447
Advisory Fees Paid, Amount $ 12,167,959
InvestmentCompanyPortfolioTurnover 35.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$3,829,405,021
# of Portfolio Holdings
447
Portfolio Turnover Rate
35%
Total Management Fees Paid
$12,167,959
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Common Stocks
93.0
Investment Companies
2.9
Foreign Common Stocks
2.8
Securities Lending Collateral
1.3

The Fund may purchase and sell futures contracts to gain market exposure on cash balances.

Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
Standex International Corp.
1.3
Avnet, Inc.
1.3
Knife River Corp.
1.0
Murphy Oil Corp.
0.9
F5, Inc.
0.9
Olin Corp.
0.9
ATI, Inc.
0.9
AAR Corp.
0.8
Stagwell, Inc.
0.8
SLM Corp.
0.8

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000092341  
Shareholder Report [Line Items]  
Fund Name Small Cap Value Fund
Class Name C
Trading Symbol ASVCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Small Cap Value Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class C
$110
2.02%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 110
Expense Ratio, Percent 2.02% [30]
AssetsNet $ 3,829,405,021
Holdings Count | Holding 447
Advisory Fees Paid, Amount $ 12,167,959
InvestmentCompanyPortfolioTurnover 35.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$3,829,405,021
# of Portfolio Holdings
447
Portfolio Turnover Rate
35%
Total Management Fees Paid
$12,167,959
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Common Stocks
93.0
Investment Companies
2.9
Foreign Common Stocks
2.8
Securities Lending Collateral
1.3

The Fund may purchase and sell futures contracts to gain market exposure on cash balances.

Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
Standex International Corp.
1.3
Avnet, Inc.
1.3
Knife River Corp.
1.0
Murphy Oil Corp.
0.9
F5, Inc.
0.9
Olin Corp.
0.9
ATI, Inc.
0.9
AAR Corp.
0.8
Stagwell, Inc.
0.8
SLM Corp.
0.8

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000004769  
Shareholder Report [Line Items]  
Fund Name Small Cap Value Fund
Class Name Investor
Trading Symbol AVPAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Small Cap Value Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Investor
$60
1.10%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 60
Expense Ratio, Percent 1.10% [31]
AssetsNet $ 3,829,405,021
Holdings Count | Holding 447
Advisory Fees Paid, Amount $ 12,167,959
InvestmentCompanyPortfolioTurnover 35.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$3,829,405,021
# of Portfolio Holdings
447
Portfolio Turnover Rate
35%
Total Management Fees Paid
$12,167,959
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Common Stocks
93.0
Investment Companies
2.9
Foreign Common Stocks
2.8
Securities Lending Collateral
1.3

The Fund may purchase and sell futures contracts to gain market exposure on cash balances.

Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
Standex International Corp.
1.3
Avnet, Inc.
1.3
Knife River Corp.
1.0
Murphy Oil Corp.
0.9
F5, Inc.
0.9
Olin Corp.
0.9
ATI, Inc.
0.9
AAR Corp.
0.8
Stagwell, Inc.
0.8
SLM Corp.
0.8

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000004768  
Shareholder Report [Line Items]  
Fund Name Small Cap Value Fund
Class Name R5
Trading Symbol AVFIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Small Cap Value Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
R5
$42
0.77%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 42
Expense Ratio, Percent 0.77% [32]
AssetsNet $ 3,829,405,021
Holdings Count | Holding 447
Advisory Fees Paid, Amount $ 12,167,959
InvestmentCompanyPortfolioTurnover 35.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$3,829,405,021
# of Portfolio Holdings
447
Portfolio Turnover Rate
35%
Total Management Fees Paid
$12,167,959
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Common Stocks
93.0
Investment Companies
2.9
Foreign Common Stocks
2.8
Securities Lending Collateral
1.3

The Fund may purchase and sell futures contracts to gain market exposure on cash balances.

Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
Standex International Corp.
1.3
Avnet, Inc.
1.3
Knife River Corp.
1.0
Murphy Oil Corp.
0.9
F5, Inc.
0.9
Olin Corp.
0.9
ATI, Inc.
0.9
AAR Corp.
0.8
Stagwell, Inc.
0.8
SLM Corp.
0.8

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000180103  
Shareholder Report [Line Items]  
Fund Name Small Cap Value Fund
Class Name R6
Trading Symbol AASRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Small Cap Value Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
R6
$40
0.74%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.74% [33]
AssetsNet $ 3,829,405,021
Holdings Count | Holding 447
Advisory Fees Paid, Amount $ 12,167,959
InvestmentCompanyPortfolioTurnover 35.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$3,829,405,021
# of Portfolio Holdings
447
Portfolio Turnover Rate
35%
Total Management Fees Paid
$12,167,959
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Common Stocks
93.0
Investment Companies
2.9
Foreign Common Stocks
2.8
Securities Lending Collateral
1.3

The Fund may purchase and sell futures contracts to gain market exposure on cash balances.

Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
Standex International Corp.
1.3
Avnet, Inc.
1.3
Knife River Corp.
1.0
Murphy Oil Corp.
0.9
F5, Inc.
0.9
Olin Corp.
0.9
ATI, Inc.
0.9
AAR Corp.
0.8
Stagwell, Inc.
0.8
SLM Corp.
0.8

Excludes cash equivalents. 

Material Fund Change [Text Block]
Accountant Change Statement [Text Block]
C000079123  
Shareholder Report [Line Items]  
Fund Name Small Cap Value Fund
Class Name Y
Trading Symbol ABSYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Small Cap Value Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.americanbeaconfunds.com/fund-resources/. You can request this information by contacting us at 800-658-5811.
Additional Information Phone Number 800-658-5811
Additional Information Website www.americanbeaconfunds.com/fund-resources/
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Y
$46
0.84%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 46
Expense Ratio, Percent 0.84% [34]
AssetsNet $ 3,829,405,021
Holdings Count | Holding 447
Advisory Fees Paid, Amount $ 12,167,959
InvestmentCompanyPortfolioTurnover 35.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$3,829,405,021
# of Portfolio Holdings
447
Portfolio Turnover Rate
35%
Total Management Fees Paid
$12,167,959
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Common Stocks
93.0
Investment Companies
2.9
Foreign Common Stocks
2.8
Securities Lending Collateral
1.3

The Fund may purchase and sell futures contracts to gain market exposure on cash balances.

Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
Standex International Corp.
1.3
Avnet, Inc.
1.3
Knife River Corp.
1.0
Murphy Oil Corp.
0.9
F5, Inc.
0.9
Olin Corp.
0.9
ATI, Inc.
0.9
AAR Corp.
0.8
Stagwell, Inc.
0.8
SLM Corp.
0.8

Excludes cash equivalents. 

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