v3.26.3
Shareholder Report
6 Months Ended
Jul. 31, 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 Jul. 31, 2026
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report
C000136710  
Shareholder Report [Line Items]  
Fund Name Developing World Income Fund
Class Name A
Trading Symbol AGUAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Developing World Income Fund for the period of February 1, 2026 to July 31, 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
$66
1.29%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 66
Expense Ratio, Percent 1.29% [1]
AssetsNet $ 1,862,755,689
Holdings Count | Holding 435
Advisory Fees Paid, Amount $ 7,069,914
InvestmentCompanyPortfolioTurnover 26.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$1,862,755,689
# of Portfolio Holdings
435
Portfolio Turnover Rate
26%
Total Management Fees Paid
$7,069,914
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Foreign Sovereign Obligations
75.7
Investment Companies
7.9
Credit-Linked Notes
6.0
Corporate Obligations
5.5
Foreign Corporate Obligations
4.9

Excludes foreign currency derivatives.

Top Ten Country Exposure - % Fixed Income

Group By Country Chart
Table Summary
Value
Value
Kenya
3.7
Uganda
4.2
Ghana
4.2
Kazakhstan
4.5
Egypt
4.6
Supranational
4.7
Angola
4.9
Argentina
5.1
Nigeria
6.0
United States
6.0

Top Ten Industry Allocations - % Fixed Income

Group By Industry Chart
Table Summary
Value
Value
Real Estate
0.2
Holding Companies - Diversified
0.5
Electric
0.8
Telecommunications
1.2
Oil & Gas
1.4
Investment Companies
2.4
Diversified Financial Services
4.7
Multi-National
4.7
Banks
9.9
Foreign Sovereign Obligations
73.8
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
Ghana Government International Bonds, 5.000%, Due 7/3/2035
1.5
Argentina Republic Government International Bonds, 4.125%, Due 7/9/2035
1.4
Republic of Cameroon International Bonds, 8.875%, Due 1/30/2033
1.2
Republic of Kenya Infrastructure Bonds, 18.461%, Due 8/9/2032
1.2
Kyrgyz Republic International Bonds, 7.750%, Due 6/3/2030
1.1
Angola Government International Bonds, 9.125%, Due 11/26/2049
1.1
Ivory Coast Government International Bonds, 6.625%, Due 3/22/2048
1.1
Nigeria OMO Bills, 21.375%, Due 9/15/2026
1.1
Egypt Government International Bonds, 8.875%, Due 5/29/2050
1.0
Angola Government International Bonds, 9.375%, Due 5/8/2048
1.0

Excludes cash equivalents.

Material Fund Change [Text Block]
C000136711  
Shareholder Report [Line Items]  
Fund Name Developing World Income Fund
Class Name C
Trading Symbol AGECX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Developing World Income Fund for the period of February 1, 2026 to July 31, 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
$104
2.04%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 104
Expense Ratio, Percent 2.04% [2]
AssetsNet $ 1,862,755,689
Holdings Count | Holding 435
Advisory Fees Paid, Amount $ 7,069,914
InvestmentCompanyPortfolioTurnover 26.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$1,862,755,689
# of Portfolio Holdings
435
Portfolio Turnover Rate
26%
Total Management Fees Paid
$7,069,914
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Foreign Sovereign Obligations
75.7
Investment Companies
7.9
Credit-Linked Notes
6.0
Corporate Obligations
5.5
Foreign Corporate Obligations
4.9

Excludes foreign currency derivatives.

Top Ten Country Exposure - % Fixed Income

Group By Country Chart
Table Summary
Value
Value
Kenya
3.7
Uganda
4.2
Ghana
4.2
Kazakhstan
4.5
Egypt
4.6
Supranational
4.7
Angola
4.9
Argentina
5.1
Nigeria
6.0
United States
6.0

Top Ten Industry Allocations - % Fixed Income

Group By Industry Chart
Table Summary
Value
Value
Real Estate
0.2
Holding Companies - Diversified
0.5
Electric
0.8
Telecommunications
1.2
Oil & Gas
1.4
Investment Companies
2.4
Diversified Financial Services
4.7
Multi-National
4.7
Banks
9.9
Foreign Sovereign Obligations
73.8
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
Ghana Government International Bonds, 5.000%, Due 7/3/2035
1.5
Argentina Republic Government International Bonds, 4.125%, Due 7/9/2035
1.4
Republic of Cameroon International Bonds, 8.875%, Due 1/30/2033
1.2
Republic of Kenya Infrastructure Bonds, 18.461%, Due 8/9/2032
1.2
Kyrgyz Republic International Bonds, 7.750%, Due 6/3/2030
1.1
Angola Government International Bonds, 9.125%, Due 11/26/2049
1.1
Ivory Coast Government International Bonds, 6.625%, Due 3/22/2048
1.1
Nigeria OMO Bills, 21.375%, Due 9/15/2026
1.1
Egypt Government International Bonds, 8.875%, Due 5/29/2050
1.0
Angola Government International Bonds, 9.375%, Due 5/8/2048
1.0

Excludes cash equivalents.

Material Fund Change [Text Block]
C000136713  
Shareholder Report [Line Items]  
Fund Name Developing World Income Fund
Class Name Investor
Trading Symbol AGEPX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Developing World Income Fund for the period of February 1, 2026 to July 31, 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
$66
1.29%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 66
Expense Ratio, Percent 1.29% [3]
AssetsNet $ 1,862,755,689
Holdings Count | Holding 435
Advisory Fees Paid, Amount $ 7,069,914
InvestmentCompanyPortfolioTurnover 26.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$1,862,755,689
# of Portfolio Holdings
435
Portfolio Turnover Rate
26%
Total Management Fees Paid
$7,069,914
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Foreign Sovereign Obligations
75.7
Investment Companies
7.9
Credit-Linked Notes
6.0
Corporate Obligations
5.5
Foreign Corporate Obligations
4.9

Excludes foreign currency derivatives.

Top Ten Country Exposure - % Fixed Income

Group By Country Chart
Table Summary
Value
Value
Kenya
3.7
Uganda
4.2
Ghana
4.2
Kazakhstan
4.5
Egypt
4.6
Supranational
4.7
Angola
4.9
Argentina
5.1
Nigeria
6.0
United States
6.0

Top Ten Industry Allocations - % Fixed Income

Group By Industry Chart
Table Summary
Value
Value
Real Estate
0.2
Holding Companies - Diversified
0.5
Electric
0.8
Telecommunications
1.2
Oil & Gas
1.4
Investment Companies
2.4
Diversified Financial Services
4.7
Multi-National
4.7
Banks
9.9
Foreign Sovereign Obligations
73.8
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
Ghana Government International Bonds, 5.000%, Due 7/3/2035
1.5
Argentina Republic Government International Bonds, 4.125%, Due 7/9/2035
1.4
Republic of Cameroon International Bonds, 8.875%, Due 1/30/2033
1.2
Republic of Kenya Infrastructure Bonds, 18.461%, Due 8/9/2032
1.2
Kyrgyz Republic International Bonds, 7.750%, Due 6/3/2030
1.1
Angola Government International Bonds, 9.125%, Due 11/26/2049
1.1
Ivory Coast Government International Bonds, 6.625%, Due 3/22/2048
1.1
Nigeria OMO Bills, 21.375%, Due 9/15/2026
1.1
Egypt Government International Bonds, 8.875%, Due 5/29/2050
1.0
Angola Government International Bonds, 9.375%, Due 5/8/2048
1.0

Excludes cash equivalents.

Material Fund Change [Text Block]
C000136712  
Shareholder Report [Line Items]  
Fund Name Developing World Income Fund
Class Name R5
Trading Symbol AGEIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Developing World Income Fund for the period of February 1, 2026 to July 31, 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
0.99%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 51
Expense Ratio, Percent 0.99% [4]
AssetsNet $ 1,862,755,689
Holdings Count | Holding 435
Advisory Fees Paid, Amount $ 7,069,914
InvestmentCompanyPortfolioTurnover 26.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$1,862,755,689
# of Portfolio Holdings
435
Portfolio Turnover Rate
26%
Total Management Fees Paid
$7,069,914
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Foreign Sovereign Obligations
75.7
Investment Companies
7.9
Credit-Linked Notes
6.0
Corporate Obligations
5.5
Foreign Corporate Obligations
4.9

Excludes foreign currency derivatives.

Top Ten Country Exposure - % Fixed Income

Group By Country Chart
Table Summary
Value
Value
Kenya
3.7
Uganda
4.2
Ghana
4.2
Kazakhstan
4.5
Egypt
4.6
Supranational
4.7
Angola
4.9
Argentina
5.1
Nigeria
6.0
United States
6.0

Top Ten Industry Allocations - % Fixed Income

Group By Industry Chart
Table Summary
Value
Value
Real Estate
0.2
Holding Companies - Diversified
0.5
Electric
0.8
Telecommunications
1.2
Oil & Gas
1.4
Investment Companies
2.4
Diversified Financial Services
4.7
Multi-National
4.7
Banks
9.9
Foreign Sovereign Obligations
73.8
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
Ghana Government International Bonds, 5.000%, Due 7/3/2035
1.5
Argentina Republic Government International Bonds, 4.125%, Due 7/9/2035
1.4
Republic of Cameroon International Bonds, 8.875%, Due 1/30/2033
1.2
Republic of Kenya Infrastructure Bonds, 18.461%, Due 8/9/2032
1.2
Kyrgyz Republic International Bonds, 7.750%, Due 6/3/2030
1.1
Angola Government International Bonds, 9.125%, Due 11/26/2049
1.1
Ivory Coast Government International Bonds, 6.625%, Due 3/22/2048
1.1
Nigeria OMO Bills, 21.375%, Due 9/15/2026
1.1
Egypt Government International Bonds, 8.875%, Due 5/29/2050
1.0
Angola Government International Bonds, 9.375%, Due 5/8/2048
1.0

Excludes cash equivalents.

Material Fund Change [Text Block]
C000136714  
Shareholder Report [Line Items]  
Fund Name Developing World Income Fund
Class Name Y
Trading Symbol AGEYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon Developing World Income Fund for the period of February 1, 2026 to July 31, 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
$54
1.05%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 54
Expense Ratio, Percent 1.05% [5]
AssetsNet $ 1,862,755,689
Holdings Count | Holding 435
Advisory Fees Paid, Amount $ 7,069,914
InvestmentCompanyPortfolioTurnover 26.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$1,862,755,689
# of Portfolio Holdings
435
Portfolio Turnover Rate
26%
Total Management Fees Paid
$7,069,914
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Foreign Sovereign Obligations
75.7
Investment Companies
7.9
Credit-Linked Notes
6.0
Corporate Obligations
5.5
Foreign Corporate Obligations
4.9

Excludes foreign currency derivatives.

Top Ten Country Exposure - % Fixed Income

Group By Country Chart
Table Summary
Value
Value
Kenya
3.7
Uganda
4.2
Ghana
4.2
Kazakhstan
4.5
Egypt
4.6
Supranational
4.7
Angola
4.9
Argentina
5.1
Nigeria
6.0
United States
6.0

Top Ten Industry Allocations - % Fixed Income

Group By Industry Chart
Table Summary
Value
Value
Real Estate
0.2
Holding Companies - Diversified
0.5
Electric
0.8
Telecommunications
1.2
Oil & Gas
1.4
Investment Companies
2.4
Diversified Financial Services
4.7
Multi-National
4.7
Banks
9.9
Foreign Sovereign Obligations
73.8
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
Ghana Government International Bonds, 5.000%, Due 7/3/2035
1.5
Argentina Republic Government International Bonds, 4.125%, Due 7/9/2035
1.4
Republic of Cameroon International Bonds, 8.875%, Due 1/30/2033
1.2
Republic of Kenya Infrastructure Bonds, 18.461%, Due 8/9/2032
1.2
Kyrgyz Republic International Bonds, 7.750%, Due 6/3/2030
1.1
Angola Government International Bonds, 9.125%, Due 11/26/2049
1.1
Ivory Coast Government International Bonds, 6.625%, Due 3/22/2048
1.1
Nigeria OMO Bills, 21.375%, Due 9/15/2026
1.1
Egypt Government International Bonds, 8.875%, Due 5/29/2050
1.0
Angola Government International Bonds, 9.375%, Due 5/8/2048
1.0

Excludes cash equivalents.

Material Fund Change [Text Block]
C000221417  
Shareholder Report [Line Items]  
Fund Name NIS Core Plus Bond Fund
Class Name A
Trading Symbol NISAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon NIS Core Plus Bond Fund for the period of February 1, 2026 to July 31, 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
$39
0.78%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 39
Expense Ratio, Percent 0.78% [6]
AssetsNet $ 7,957,699
Holdings Count | Holding 455
Advisory Fees Paid, Amount $ 0
InvestmentCompanyPortfolioTurnover 38.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$7,957,699
# of Portfolio Holdings
455
Portfolio Turnover Rate
38%
Total Management Fees Paid
$0
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Corporate Obligations
28.7
U.S. Treasury Obligations
28.2
Collateralized Mortgage Obligations
12.9
Asset-Backed Obligations
10.3
U.S. Agency Mortgage-Backed Obligations
7.5
Commercial Mortgage-Backed Obligations
6.5
Foreign Corporate Obligations
2.9
Municipal Obligations
2.8
Foreign Sovereign Obligations
0.2

Top Country Exposure - % Investments

Group By Country Chart
Table Summary
Value
Value
France
0.1
Bermuda
0.1
China
0.2
Mexico
0.2
United Kingdom
0.3
Ireland
0.6
Canada
1.8
United States
96.7

Top Ten Industry Allocations - % Investments

Group By Industry Chart
Table Summary
Value
Value
Insurance
2.2
Diversified Financial Services
2.5
Municipal
2.8
Electric
3.8
Banks
5.0
Commercial Mortgage-Backed Obligations
6.5
U.S. Agency Mortgage-Backed Obligations
7.6
Asset-Backed Obligations
10.3
Collateralized Mortgage Obligations
12.9
U.S. Treasury Obligations
28.2
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
U.S. Treasury Bonds, 3.375%, Due 11/15/2048
5.0
U.S. Treasury Notes, 4.375%, Due 5/15/2036
3.2
U.S. Treasury Notes, 4.500%, Due 11/15/2033
3.1
U.S. Treasury Notes, 3.750%, Due 2/28/2033
2.2
U.S. Treasury Bonds, 1.750%, Due 8/15/2041
2.0
RCKT Mortgage Trust, Series 2023-CES1, 6.902%, Due 6/25/2043, Class M1
1.9
U.S. Treasury Notes, 4.000%, Due 11/15/2035
1.8
U.S. Treasury Notes, 4.125%, Due 2/15/2036
1.5
U.S. Treasury Bonds, 2.500%, Due 2/15/2045
1.5
U.S. Treasury Bonds, 4.875%, Due 8/15/2045
1.4
Material Fund Change [Text Block]
C000221418  
Shareholder Report [Line Items]  
Fund Name NIS Core Plus Bond Fund
Class Name C
Trading Symbol NISCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon NIS Core Plus Bond Fund for the period of February 1, 2026 to July 31, 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
$76
1.53%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 76
Expense Ratio, Percent 1.53% [7]
AssetsNet $ 7,957,699
Holdings Count | Holding 455
Advisory Fees Paid, Amount $ 0
InvestmentCompanyPortfolioTurnover 38.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$7,957,699
# of Portfolio Holdings
455
Portfolio Turnover Rate
38%
Total Management Fees Paid
$0
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Corporate Obligations
28.7
U.S. Treasury Obligations
28.2
Collateralized Mortgage Obligations
12.9
Asset-Backed Obligations
10.3
U.S. Agency Mortgage-Backed Obligations
7.5
Commercial Mortgage-Backed Obligations
6.5
Foreign Corporate Obligations
2.9
Municipal Obligations
2.8
Foreign Sovereign Obligations
0.2

Top Country Exposure - % Investments

Group By Country Chart
Table Summary
Value
Value
France
0.1
Bermuda
0.1
China
0.2
Mexico
0.2
United Kingdom
0.3
Ireland
0.6
Canada
1.8
United States
96.7

Top Ten Industry Allocations - % Investments

Group By Industry Chart
Table Summary
Value
Value
Insurance
2.2
Diversified Financial Services
2.5
Municipal
2.8
Electric
3.8
Banks
5.0
Commercial Mortgage-Backed Obligations
6.5
U.S. Agency Mortgage-Backed Obligations
7.6
Asset-Backed Obligations
10.3
Collateralized Mortgage Obligations
12.9
U.S. Treasury Obligations
28.2
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
U.S. Treasury Bonds, 3.375%, Due 11/15/2048
5.0
U.S. Treasury Notes, 4.375%, Due 5/15/2036
3.2
U.S. Treasury Notes, 4.500%, Due 11/15/2033
3.1
U.S. Treasury Notes, 3.750%, Due 2/28/2033
2.2
U.S. Treasury Bonds, 1.750%, Due 8/15/2041
2.0
RCKT Mortgage Trust, Series 2023-CES1, 6.902%, Due 6/25/2043, Class M1
1.9
U.S. Treasury Notes, 4.000%, Due 11/15/2035
1.8
U.S. Treasury Notes, 4.125%, Due 2/15/2036
1.5
U.S. Treasury Bonds, 2.500%, Due 2/15/2045
1.5
U.S. Treasury Bonds, 4.875%, Due 8/15/2045
1.4
Material Fund Change [Text Block]
C000221415  
Shareholder Report [Line Items]  
Fund Name NIS Core Plus Bond Fund
Class Name R6
Trading Symbol NISRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon NIS Core Plus Bond Fund for the period of February 1, 2026 to July 31, 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
$21
0.43%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 21
Expense Ratio, Percent 0.43% [8]
AssetsNet $ 7,957,699
Holdings Count | Holding 455
Advisory Fees Paid, Amount $ 0
InvestmentCompanyPortfolioTurnover 38.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$7,957,699
# of Portfolio Holdings
455
Portfolio Turnover Rate
38%
Total Management Fees Paid
$0
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Corporate Obligations
28.7
U.S. Treasury Obligations
28.2
Collateralized Mortgage Obligations
12.9
Asset-Backed Obligations
10.3
U.S. Agency Mortgage-Backed Obligations
7.5
Commercial Mortgage-Backed Obligations
6.5
Foreign Corporate Obligations
2.9
Municipal Obligations
2.8
Foreign Sovereign Obligations
0.2

Top Country Exposure - % Investments

Group By Country Chart
Table Summary
Value
Value
France
0.1
Bermuda
0.1
China
0.2
Mexico
0.2
United Kingdom
0.3
Ireland
0.6
Canada
1.8
United States
96.7

Top Ten Industry Allocations - % Investments

Group By Industry Chart
Table Summary
Value
Value
Insurance
2.2
Diversified Financial Services
2.5
Municipal
2.8
Electric
3.8
Banks
5.0
Commercial Mortgage-Backed Obligations
6.5
U.S. Agency Mortgage-Backed Obligations
7.6
Asset-Backed Obligations
10.3
Collateralized Mortgage Obligations
12.9
U.S. Treasury Obligations
28.2
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
U.S. Treasury Bonds, 3.375%, Due 11/15/2048
5.0
U.S. Treasury Notes, 4.375%, Due 5/15/2036
3.2
U.S. Treasury Notes, 4.500%, Due 11/15/2033
3.1
U.S. Treasury Notes, 3.750%, Due 2/28/2033
2.2
U.S. Treasury Bonds, 1.750%, Due 8/15/2041
2.0
RCKT Mortgage Trust, Series 2023-CES1, 6.902%, Due 6/25/2043, Class M1
1.9
U.S. Treasury Notes, 4.000%, Due 11/15/2035
1.8
U.S. Treasury Notes, 4.125%, Due 2/15/2036
1.5
U.S. Treasury Bonds, 2.500%, Due 2/15/2045
1.5
U.S. Treasury Bonds, 4.875%, Due 8/15/2045
1.4
Material Fund Change [Text Block]
C000221416  
Shareholder Report [Line Items]  
Fund Name NIS Core Plus Bond Fund
Class Name Y
Trading Symbol NISYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Beacon NIS Core Plus Bond Fund for the period of February 1, 2026 to July 31, 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
$26
0.53%Footnote Reference*
Footnote Description
Footnote*
Annualized.
Expenses Paid, Amount $ 26
Expense Ratio, Percent 0.53% [9]
AssetsNet $ 7,957,699
Holdings Count | Holding 455
Advisory Fees Paid, Amount $ 0
InvestmentCompanyPortfolioTurnover 38.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$7,957,699
# of Portfolio Holdings
455
Portfolio Turnover Rate
38%
Total Management Fees Paid
$0
Holdings [Text Block]

Asset Allocation - % Investments

Group By Sector Chart
Table Summary
Value
Value
Corporate Obligations
28.7
U.S. Treasury Obligations
28.2
Collateralized Mortgage Obligations
12.9
Asset-Backed Obligations
10.3
U.S. Agency Mortgage-Backed Obligations
7.5
Commercial Mortgage-Backed Obligations
6.5
Foreign Corporate Obligations
2.9
Municipal Obligations
2.8
Foreign Sovereign Obligations
0.2

Top Country Exposure - % Investments

Group By Country Chart
Table Summary
Value
Value
France
0.1
Bermuda
0.1
China
0.2
Mexico
0.2
United Kingdom
0.3
Ireland
0.6
Canada
1.8
United States
96.7

Top Ten Industry Allocations - % Investments

Group By Industry Chart
Table Summary
Value
Value
Insurance
2.2
Diversified Financial Services
2.5
Municipal
2.8
Electric
3.8
Banks
5.0
Commercial Mortgage-Backed Obligations
6.5
U.S. Agency Mortgage-Backed Obligations
7.6
Asset-Backed Obligations
10.3
Collateralized Mortgage Obligations
12.9
U.S. Treasury Obligations
28.2
Largest Holdings [Text Block]

 Top Ten Holdings - % Net Assets

Table Summary
U.S. Treasury Bonds, 3.375%, Due 11/15/2048
5.0
U.S. Treasury Notes, 4.375%, Due 5/15/2036
3.2
U.S. Treasury Notes, 4.500%, Due 11/15/2033
3.1
U.S. Treasury Notes, 3.750%, Due 2/28/2033
2.2
U.S. Treasury Bonds, 1.750%, Due 8/15/2041
2.0
RCKT Mortgage Trust, Series 2023-CES1, 6.902%, Due 6/25/2043, Class M1
1.9
U.S. Treasury Notes, 4.000%, Due 11/15/2035
1.8
U.S. Treasury Notes, 4.125%, Due 2/15/2036
1.5
U.S. Treasury Bonds, 2.500%, Due 2/15/2045
1.5
U.S. Treasury Bonds, 4.875%, Due 8/15/2045
1.4
Material Fund Change [Text Block]
[1] Annualized.
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[9] Annualized.