v3.25.2
Shareholder Report
6 Months Ended
Jun. 30, 2025
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name American Balanced Fund
Entity Central Index Key 0000004568
Entity Investment Company Type N-1A
Document Period End Date Jun. 30, 2025
American Balanced Fund - Class A  
Shareholder Report [Line Items]  
Fund Name American Balanced Fund®
Class Name Class A
Trading Symbol ABALX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Balanced Fund
 
(the "fund") for the period from January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the fund at
capitalgroup.com/mutual-fund-literature-A
. You can also request this information by contacting us at
(800) 421-4225
.
Additional Information Phone Number (800) 421-4225
Additional Information Website capitalgroup.com/mutual-fund-literature-A
Expenses [Text Block]
What were the fund costs for the last six months?
(based on a hypothetical $10,000 investment)
Share class
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class A
$
29
0.56
%
*
*Annualized.
Expenses Paid, Amount $ 29
Expense Ratio, Percent 0.56% [1]
Net Assets $ 251,091,000,000
Holdings Count | Holding 3,905
Investment Company, Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
251,091
Total number of portfolio holdings 3,905
Portfolio turnover rate including
mortgage dollar roll transactions
61
%
Portfolio turnover rate excluding mortgage dollar roll transactions 27
%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
American Balanced Fund - Class C  
Shareholder Report [Line Items]  
Fund Name American Balanced Fund®
Class Name Class C
Trading Symbol BALCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Balanced Fund (the "fund") for the period from January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the fund at
capitalgroup.com/mutual-fund-literature-C
. You can also request this information by contacting us at
(800) 421-4225
.
Additional Information Phone Number (800) 421-4225
Additional Information Website capitalgroup.com/mutual-fund-literature-C
Expenses [Text Block]
What were the fund costs for the last six months?
(based on a hypothetical $10,000 investment)
Share class
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class C
$
67
1.31
%
*
*Annualized.
Expenses Paid, Amount $ 67
Expense Ratio, Percent 1.31% [1]
Net Assets $ 251,091,000,000
Holdings Count | Holding 3,905
Investment Company, Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
251,091
Total number of portfolio holdings 3,905
Portfolio turnover rate including
mortgage dollar roll transactions
61
%
Portfolio turnover rate excluding mortgage dollar roll transactions 27
%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
American Balanced Fund - Class T  
Shareholder Report [Line Items]  
Fund Name American Balanced Fund®
Class Name Class T
Trading Symbol TABFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Balanced Fund (the "fund") for the period from January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the fund at
capitalgroup.com/mutual-fund-literature
. You can also request this information by contacting us at
(800) 421-4225
.
Additional Information Phone Number (800) 421-4225
Additional Information Website capitalgroup.com/mutual-fund-literature
Expenses [Text Block]
What were the fund costs for the last six months?
(based on a hypothetical $10,000 investment)
Share class
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class T
$
15
0.30
%
*
*Annualized.
Expenses Paid, Amount $ 15
Expense Ratio, Percent 0.30% [1]
Net Assets $ 251,091,000,000
Holdings Count | Holding 3,905
Investment Company, Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
251,091
Total number of portfolio holdings 3,905
Portfolio turnover rate including
mortgage dollar roll transactions
61
%
Portfolio turnover rate excluding mortgage dollar roll transactions 27
%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
American Balanced Fund - Class F-1  
Shareholder Report [Line Items]  
Fund Name American Balanced Fund®
Class Name Class F-1
Trading Symbol BALFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Balanced Fund (the "fund") for the period from January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the fund at
capitalgroup.com/mutual-fund-literature-F1
. You can also request this information by contacting us at
(800) 421-4225
.
Additional Information Phone Number (800) 421-4225
Additional Information Website capitalgroup.com/mutual-fund-literature-F1
Expenses [Text Block]
What were the fund costs for the last six months?
(based on a hypothetical $10,000 investment)
Share class
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class F-1
$
32
0.62
%
*
*Annualized.
Expenses Paid, Amount $ 32
Expense Ratio, Percent 0.62% [1]
Net Assets $ 251,091,000,000
Holdings Count | Holding 3,905
Investment Company, Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
251,091
Total number of portfolio holdings 3,905
Portfolio turnover rate including
mortgage dollar roll transactions
61
%
Portfolio turnover rate excluding mortgage dollar roll transactions 27
%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
American Balanced Fund - Class F-2  
Shareholder Report [Line Items]  
Fund Name American Balanced Fund®
Class Name Class F-2
Trading Symbol AMBFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Balanced Fund
 
(the "fund") for the period from January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the fund at
capitalgroup.com/mutual-fund-literature-F2
. You can also request this information by contacting us at
(800) 421-4225
.
Additional Information Phone Number (800) 421-4225
Additional Information Website capitalgroup.com/mutual-fund-literature-F2
Expenses [Text Block]
What were the fund costs for the last six months?
(based on a hypothetical $10,000 investment)
Share class
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class F-2
$
19
0.36
%
*
*Annualized.
Expenses Paid, Amount $ 19
Expense Ratio, Percent 0.36% [1]
Net Assets $ 251,091,000,000
Holdings Count | Holding 3,905
Investment Company, Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
251,091
Total number of portfolio holdings 3,905
Portfolio turnover rate including
mortgage dollar roll transactions
61
%
Portfolio turnover rate excluding mortgage dollar roll transactions 27
%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
American Balanced Fund - Class F-3  
Shareholder Report [Line Items]  
Fund Name American Balanced Fund®
Class Name Class F-3
Trading Symbol AFMBX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Balanced Fund (the "fund") for the period from January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the fund at
capitalgroup.com/mutual-fund-literature-F3
. You can also request this information by contacting us at
(800) 421-4225
.
Additional Information Phone Number (800) 421-4225
Additional Information Website capitalgroup.com/mutual-fund-literature-F3
Expenses [Text Block]
What were the fund costs for the last six months?
(based on a hypothetical $10,000 investment)
Share class
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class F-3
$
13
0.25
%
*
*Annualized.
Expenses Paid, Amount $ 13
Expense Ratio, Percent 0.25% [1]
Net Assets $ 251,091,000,000
Holdings Count | Holding 3,905
Investment Company, Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
251,091
Total number of portfolio holdings 3,905
Portfolio turnover rate including
mortgage dollar roll transactions
61
%
Portfolio turnover rate excluding mortgage dollar roll transactions 27
%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
American Balanced Fund - Class 529-A  
Shareholder Report [Line Items]  
Fund Name American Balanced Fund®
Class Name Class 529-A
Trading Symbol CLBAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Balanced Fund (the "fund") for the period from January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the fund at
capitalgroup.com/mutual-fund-literature-529A
. You can also request this information by contacting us at
(800) 421-4225
.
Additional Information Phone Number (800) 421-4225
Additional Information Website capitalgroup.com/mutual-fund-literature-529A
Expenses [Text Block]
What were the fund costs for the last six months?
(based on a hypothetical $10,000 investment)
Share class
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class 529-A
$
30
0.59
%
*
*Annualized.
Expenses Paid, Amount $ 30
Expense Ratio, Percent 0.59% [1]
Net Assets $ 251,091,000,000
Holdings Count | Holding 3,905
Investment Company, Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
251,091
Total number of portfolio holdings 3,905
Portfolio turnover rate including
mortgage dollar roll transactions
61
%
Portfolio turnover rate excluding mortgage dollar roll transactions 27
%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
American Balanced Fund - Class 529-C  
Shareholder Report [Line Items]  
Fund Name American Balanced Fund®
Class Name Class 529-C
Trading Symbol CLBCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Balanced Fund (the "fund") for the period from January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the fund at
capitalgroup.com/mutual-fund-literature-529C
. You can also request this information by contacting us at
(800) 421-4225
.
Additional Information Phone Number (800) 421-4225
Additional Information Website capitalgroup.com/mutual-fund-literature-529C
Expenses [Text Block]
What were the fund costs for the last six months?
(based on a hypothetical $10,000 investment)
Share class
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class 529-C
$
70
1.35
%
*
*Annualized.
Expenses Paid, Amount $ 70
Expense Ratio, Percent 1.35% [1]
Net Assets $ 251,091,000,000
Holdings Count | Holding 3,905
Investment Company, Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
251,091
Total number of portfolio holdings 3,905
Portfolio turnover rate including
mortgage dollar roll transactions
61
%
Portfolio turnover rate excluding mortgage dollar roll transactions 27
%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
American Balanced Fund - Class 529-E  
Shareholder Report [Line Items]  
Fund Name American Balanced Fund®
Class Name Class 529-E
Trading Symbol CLBEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Balanced Fund (the "fund") for the period from January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the fund at
capitalgroup.com/mutual-fund-literature-529E
. You can also request this information by contacting us at
(800) 421-4225
.
Additional Information Phone Number (800) 421-4225
Additional Information Website capitalgroup.com/mutual-fund-literature-529E
Expenses [Text Block]
What were the fund costs for the last six months?
(based on a hypothetical $10,000 investment)
Share class
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class 529-E
$
42
0.82
%
*
*Annualized.
Expenses Paid, Amount $ 42
Expense Ratio, Percent 0.82% [1]
Net Assets $ 251,091,000,000
Holdings Count | Holding 3,905
Investment Company, Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
251,091
Total number of portfolio holdings 3,905
Portfolio turnover rate including
mortgage dollar roll transactions
61
%
Portfolio turnover rate excluding mortgage dollar roll transactions 27
%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
American Balanced Fund - Class 529-T  
Shareholder Report [Line Items]  
Fund Name American Balanced Fund®
Class Name Class 529-T
Trading Symbol TAFBX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Balanced Fund (the "fund") for the period from January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the fund at
capitalgroup.com/mutual-fund-literature
. You can also request this information by contacting us at
(800) 421-4225
.
Additional Information Phone Number (800) 421-4225
Additional Information Website capitalgroup.com/mutual-fund-literature
Expenses [Text Block]
What were the fund costs for the last six months?
(based on a hypothetical $10,000 investment)
Share class
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class 529-T
$
19
0.36
%
*
*Annualized.
Expenses Paid, Amount $ 19
Expense Ratio, Percent 0.36% [1]
Net Assets $ 251,091,000,000
Holdings Count | Holding 3,905
Investment Company, Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
251,091
Total number of portfolio holdings 3,905
Portfolio turnover rate including
mortgage dollar roll transactions
61
%
Portfolio turnover rate excluding mortgage dollar roll transactions 27
%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
American Balanced Fund - Class 529-F-1  
Shareholder Report [Line Items]  
Fund Name American Balanced Fund®
Class Name Class 529-F-1
Trading Symbol CLBFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Balanced Fund (the "fund") for the period from January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the fund at
capitalgroup.com/mutual-fund-literature-529F1
. You can also request this information by contacting us at
(800) 421-4225
.
Additional Information Phone Number (800) 421-4225
Additional Information Website capitalgroup.com/mutual-fund-literature-529F1
Expenses [Text Block]
What were the fund costs for the last six months?
(based on a hypothetical $10,000 investment)
Share class
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class 529-F-1
$
22
0.43
%
*
*Annualized.
Expenses Paid, Amount $ 22
Expense Ratio, Percent 0.43% [1]
Net Assets $ 251,091,000,000
Holdings Count | Holding 3,905
Investment Company, Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
251,091
Total number of portfolio holdings 3,905
Portfolio turnover rate including
mortgage dollar roll transactions
61
%
Portfolio turnover rate excluding mortgage dollar roll transactions 27
%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
American Balanced Fund - Class 529-F-2  
Shareholder Report [Line Items]  
Fund Name American Balanced Fund®
Class Name Class 529-F-2
Trading Symbol FBAFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Balanced Fund (the "fund") for the period from January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the fund at
capitalgroup.com/mutual-fund-literature-529F2
. You can also request this information by contacting us at
(800) 421-4225
.
Additional Information Phone Number (800) 421-4225
Additional Information Website capitalgroup.com/mutual-fund-literature-529F2
Expenses [Text Block]
What were the fund costs for the last six months?
(based on a hypothetical $10,000 investment)
Share class
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class 529-F-2
$
18
0.34
%
*
*Annualized.
Expenses Paid, Amount $ 18
Expense Ratio, Percent 0.34% [1]
Net Assets $ 251,091,000,000
Holdings Count | Holding 3,905
Investment Company, Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
251,091
Total number of portfolio holdings 3,905
Portfolio turnover rate including
mortgage dollar roll transactions
61
%
Portfolio turnover rate excluding mortgage dollar roll transactions 27
%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
American Balanced Fund - Class 529-F-3  
Shareholder Report [Line Items]  
Fund Name American Balanced Fund®
Class Name Class 529-F-3
Trading Symbol FBONX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Balanced Fund (the "fund") for the period from January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the fund at
capitalgroup.com/mutual-fund-literature-529F3
. You can also request this information by contacting us at
(800) 421-4225
.
Additional Information Phone Number (800) 421-4225
Additional Information Website capitalgroup.com/mutual-fund-literature-529F3
Expenses [Text Block]
What were the fund costs for the last six months?
(based on a hypothetical $10,000 investment)
Share class
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class 529-F-3
$
15
0.30
%
*
*Annualized.
Expenses Paid, Amount $ 15
Expense Ratio, Percent 0.30% [1]
Net Assets $ 251,091,000,000
Holdings Count | Holding 3,905
Investment Company, Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
251,091
Total number of portfolio holdings 3,905
Portfolio turnover rate including
mortgage dollar roll transactions
61
%
Portfolio turnover rate excluding mortgage dollar roll transactions 27
%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
American Balanced Fund - Class R-1  
Shareholder Report [Line Items]  
Fund Name American Balanced Fund®
Class Name Class R-1
Trading Symbol RLBAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Balanced Fund (the "fund") for the period from January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the fund at
capitalgroup.com/mutual-fund-literature-R1
. You can also request this information by contacting us at
(800) 421-4225
.
Additional Information Phone Number (800) 421-4225
Additional Information Website capitalgroup.com/mutual-fund-literature-R1
Expenses [Text Block]
What were the fund costs for the last six months?
(based on a hypothetical $10,000 investment)
Share class
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class R-1
$
68
1.33
%
*
*Annualized.
Expenses Paid, Amount $ 68
Expense Ratio, Percent 1.33% [1]
Net Assets $ 251,091,000,000
Holdings Count | Holding 3,905
Investment Company, Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
251,091
Total number of portfolio holdings 3,905
Portfolio turnover rate including
mortgage dollar roll transactions
61
%
Portfolio turnover rate excluding mortgage dollar roll transactions 27
%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
American Balanced Fund - Class R-2  
Shareholder Report [Line Items]  
Fund Name American Balanced Fund®
Class Name Class R-2
Trading Symbol RLBBX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Balanced Fund (the "fund") for the period from January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the fund at
capitalgroup.com/mutual-fund-literature-R2
. You can also request this information by contacting us at
(800) 421-4225
.
Additional Information Phone Number (800) 421-4225
Additional Information Website capitalgroup.com/mutual-fund-literature-R2
Expenses [Text Block]
What were the fund costs for the last six months?
(based on a hypothetical $10,000 investment)
Share class
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class R-2
$
68
1.33
%
*
*Annualized.
Expenses Paid, Amount $ 68
Expense Ratio, Percent 1.33% [1]
Net Assets $ 251,091,000,000
Holdings Count | Holding 3,905
Investment Company, Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
251,091
Total number of portfolio holdings 3,905
Portfolio turnover rate including
mortgage dollar roll transactions
61
%
Portfolio turnover rate excluding mortgage dollar roll transactions 27
%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
American Balanced Fund - Class R-2E  
Shareholder Report [Line Items]  
Fund Name American Balanced Fund®
Class Name Class R-2E
Trading Symbol RAMHX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Balanced Fund (the "fund") for the period from January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the fund at
capitalgroup.com/mutual-fund-literature-R2E
. You can also request this information by contacting us at
(800) 421-4225
.
Additional Information Phone Number (800) 421-4225
Additional Information Website capitalgroup.com/mutual-fund-literature-R2E
Expenses [Text Block]
What were the fund costs for the last six months?
(based on a hypothetical $10,000 investment)
Share class
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class R-2E
$
54
1.04
%
*
*Annualized.
Expenses Paid, Amount $ 54
Expense Ratio, Percent 1.04% [1]
Net Assets $ 251,091,000,000
Holdings Count | Holding 3,905
Investment Company, Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
251,091
Total number of portfolio holdings3,905
Portfolio turnover rate including
mortgage dollar roll transactions
61
%
Portfolio turnover rate excluding mortgage dollar roll transactions27
%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
American Balanced Fund - Class R-3  
Shareholder Report [Line Items]  
Fund Name American Balanced Fund®
Class Name Class R-3
Trading Symbol RLBCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Balanced Fund (the "fund") for the period from January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the fund at
capitalgroup.com/mutual-fund-literature-R3
. You can also request this information by contacting us at
(800) 421-4225
.
Additional Information Phone Number (800) 421-4225
Additional Information Website capitalgroup.com/mutual-fund-literature-R3
Expenses [Text Block]
What were the fund costs for the last six months?
(based on a hypothetical $10,000 investment)
Share class
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class R-3
$
46
0.89
%
*
*Annualized.
Expenses Paid, Amount $ 46
Expense Ratio, Percent 0.89% [1]
Net Assets $ 251,091,000,000
Holdings Count | Holding 3,905
Investment Company, Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
251,091
Total number of portfolio holdings3,905
Portfolio turnover rate including
mortgage dollar roll transactions
61
%
Portfolio turnover rate excluding mortgage dollar roll transactions27
%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
American Balanced Fund - Class R-4  
Shareholder Report [Line Items]  
Fund Name American Balanced Fund®
Class Name Class R-4
Trading Symbol RLBEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Balanced Fund (the "fund") for the period from January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the fund at
capitalgroup.com/mutual-fund-literature-R4
. You can also request this information by contacting us at
(800) 421-4225
.
Additional Information Phone Number (800) 421-4225
Additional Information Website capitalgroup.com/mutual-fund-literature-R4
Expenses [Text Block]
What were the fund costs for the last six months?
(based on a hypothetical $10,000 investment)
Share class
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class R-4
$
31
0.60
%
*
*Annualized.
Expenses Paid, Amount $ 31
Expense Ratio, Percent 0.60% [1]
Net Assets $ 251,091,000,000
Holdings Count | Holding 3,905
Investment Company, Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
251,091
Total number of portfolio holdings3,905
Portfolio turnover rate including
mortgage dollar roll transactions
61
%
Portfolio turnover rate excluding mortgage dollar roll transactions27
%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
American Balanced Fund - Class R-5E  
Shareholder Report [Line Items]  
Fund Name American Balanced Fund®
Class Name Class R-5E
Trading Symbol RLEFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Balanced Fund (the "fund") for the period from January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the fund at
capitalgroup.com/mutual-fund-literature-R5E
. You can also request this information by contacting us at
(800) 421-4225
.
Additional Information Phone Number (800) 421-4225
Additional Information Website capitalgroup.com/mutual-fund-literature-R5E
Expenses [Text Block]
What were the fund costs for the last six months?
(based on a hypothetical $10,000 investment)
Share class
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class R-5E
$
21
0.40
%
*
*Annualized.
Expenses Paid, Amount $ 21
Expense Ratio, Percent 0.40% [1]
Net Assets $ 251,091,000,000
Holdings Count | Holding 3,905
Investment Company, Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
251,091
Total number of portfolio holdings3,905
Portfolio turnover rate including
mortgage dollar roll transactions
61
%
Portfolio turnover rate excluding mortgage dollar roll transactions27
%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
American Balanced Fund - Class R-5  
Shareholder Report [Line Items]  
Fund Name American Balanced Fund®
Class Name Class R-5
Trading Symbol RLBFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Balanced Fund (the "fund") for the period from January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the fund at
capitalgroup.com/mutual-fund-literature-R5
. You can also request this information by contacting us at
(800) 421-4225
.
Additional Information Phone Number (800) 421-4225
Additional Information Website capitalgroup.com/mutual-fund-literature-R5
Expenses [Text Block]
What were the fund costs for the last six months?
(based on a hypothetical $10,000 investment)
Share class
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class R-5
$
15
0.30
%
*
*Annualized.
Expenses Paid, Amount $ 15
Expense Ratio, Percent 0.30% [1]
Net Assets $ 251,091,000,000
Holdings Count | Holding 3,905
Investment Company, Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
251,091
Total number of portfolio holdings3,905
Portfolio turnover rate including
mortgage dollar roll transactions
61
%
Portfolio turnover rate excluding mortgage dollar roll transactions27
%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
American Balanced Fund - Class R-6  
Shareholder Report [Line Items]  
Fund Name American Balanced Fund®
Class Name Class R-6
Trading Symbol RLBGX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Balanced Fund (the "fund") for the period from January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the fund at
capitalgroup.com/mutual-fund-literature-R6
. You can also request this information by contacting us at
(800) 421-4225
.
Additional Information Phone Number (800) 421-4225
Additional Information Website capitalgroup.com/mutual-fund-literature-R6
Expenses [Text Block]
What were the fund costs for the last six months?
(based on a hypothetical $10,000 investment)
Share class
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class R-6
$
13
0.25
%
*
*Annualized.
Expenses Paid, Amount $ 13
Expense Ratio, Percent 0.25% [1]
Net Assets $ 251,091,000,000
Holdings Count | Holding 3,905
Investment Company, Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
251,091
Total number of portfolio holdings3,905
Portfolio turnover rate including
mortgage dollar roll transactions
61
%
Portfolio turnover rate excluding mortgage dollar roll transactions27
%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
[1] Annualized.