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Shareholder Report
 6 Months Ended
Jun. 30, 2024
USD ($)
Holdings
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name The Bond Fund of America
Entity Central Index Key 0000013075
Entity Investment Company Type N-1A
Document Period End Date Jun. 30, 2024
The Bond Fund of America® Class R-6 [Member]  
Shareholder Report [Line Items]  
Fund Name The Bond Fund of America®
Class Name Class R-6
Trading Symbol RBFGX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Bond Fund of America for the period from January 1, 2024 to June 30, 2024.
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$110.23%*
*Annualized
Expenses Paid, Amount $ 11
Expense Ratio, Percent 0.23% [1]
Net Assets $ 84,512,000,000
Holdings Count | Holdings 4,275
Investment Company, Portfolio Turnover 215.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in
millions
)		$84,512
Total number of portfolio holdings4,275
Portfolio turnover rate including
mortgage dollar roll transactions		215%
Portfolio turnover rate excluding mortgage dollar roll transactions
38
%
Holdings [Text Block]
Portfolio
holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
The Bond Fund of America® Class R-5 [Member]  
Shareholder Report [Line Items]  
Fund Name The Bond Fund of America®
Class Name Class R-5
Trading Symbol RBFFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Bond Fund of America for the period from January 1, 2024 to June 30, 2024.
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$140.28%*
*Annualized
Expenses Paid, Amount $ 14
Expense Ratio, Percent 0.28% [1]
Net Assets $ 84,512,000,000
Holdings Count | Holdings 4,275
Investment Company, Portfolio Turnover 215.00%
Additional Fund Statistics [Text Block]
Fund net assets (in millions)$84,512
Total number of portfolio holdings4,275
Portfolio turnover rate including
mortgage dollar roll transactions		215%
Portfolio turnover rate excluding mortgage dollar roll transactions38%
Holdings [Text Block]
Portfolio holdings by asset type
 (
percent
of
net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
The Bond Fund of America® Class R-5E [Member]  
Shareholder Report [Line Items]  
Fund Name The Bond Fund of America®
Class Name Class R-5E
Trading Symbol RBFHX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Bond Fund of America for the period from January 1, 2024 to June 30, 2024.
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$190.38%*
*Annualized
Expenses Paid, Amount $ 19
Expense Ratio, Percent 0.38% [1]
Net Assets $ 84,512,000,000
Holdings Count | Holdings 4,275
Investment Company, Portfolio Turnover 215.00%
Additional Fund Statistics [Text Block]
Fund net assets (in millions)$84,512
Total number of portfolio holdings4,275
Portfolio turnover rate including
mortgage dollar roll transactions		215%
Portfolio turnover rate excluding mortgage dollar roll transactions
38
%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
The Bond Fund of America® Class R-4 [Member]  
Shareholder Report [Line Items]  
Fund Name The Bond Fund of America®
Class Name Class R-4
Trading Symbol RBFEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Bond Fund of America for the period from January 1, 2024 to June 30, 2024.
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$290.58%*
*Annualized
Expenses Paid, Amount $ 29
Expense Ratio, Percent 0.58% [1]
Net Assets $ 84,512,000,000
Holdings Count | Holdings 4,275
Investment Company, Portfolio Turnover 215.00%
Additional Fund Statistics [Text Block]
Fund net assets (in millions)$84,512
Total number of portfolio holdings4,275
Portfolio turnover rate including
mortgage dollar roll transactions		215%
Portfolio turnover rate excluding mortgage dollar roll transactions
38
%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
The Bond Fund of America® Class R-3 [Member]  
Shareholder Report [Line Items]  
Fund Name The Bond Fund of America®
Class Name Class R-3
Trading Symbol RBFCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Bond Fund of America for the period from January 1, 2024 to June 30, 2024.
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$440.88%*
*Annualized
Expenses Paid, Amount $ 44
Expense Ratio, Percent 0.88% [1]
Net Assets $ 84,512,000,000
Holdings Count | Holdings 4,275
Investment Company, Portfolio Turnover 215.00%
Additional Fund Statistics [Text Block]
Fund net assets (in millions)$84,512
Total number of portfolio holdings4,275
Portfolio turnover rate including
mortgage dollar roll transactions		215%
Portfolio turnover rate excluding mortgage dollar roll transactions
38
%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
The Bond Fund of America® Class R-2E  
Shareholder Report [Line Items]  
Fund Name The Bond Fund of America®
Class Name Class R-2E
Trading Symbol RBEBX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Bond Fund of America for the period from January 1, 2024 to June 30, 2024.
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$511.03%*
*Annualized
Expenses Paid, Amount $ 51
Expense Ratio, Percent 1.03% [1]
Net Assets $ 84,512,000,000
Holdings Count | Holdings 4,275
Investment Company, Portfolio Turnover 215.00%
Additional Fund Statistics [Text Block]
Fund net
assets
(in millions)		$84,512
Total number of portfolio holdings4,275
Portfolio turnover rate including
mortgage dollar roll transactions		215%
Portfolio turnover rate excluding mortgage dollar roll transactions38%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
The Bond Fund of America® Class R-2  
Shareholder Report [Line Items]  
Fund Name The Bond Fund of America®
Class Name Class R-2
Trading Symbol RBFBX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Bond Fund of America for the period from January 1, 2024 to June 30, 2024.
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$651.32%*
*Annualized
Expenses Paid, Amount $ 65
Expense Ratio, Percent 1.32% [1]
Net Assets $ 84,512,000,000
Holdings Count | Holdings 4,275
Investment Company, Portfolio Turnover 215.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)$84,512
Total number of portfolio holdings4,275
Portfolio turnover rate including
mortgage dollar roll transactions		215%
Portfolio turnover rate excluding mortgage dollar roll
transactions
38
%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
The Bond Fund of America® Class R-1  
Shareholder Report [Line Items]  
Fund Name The Bond Fund of America®
Class Name Class R-1
Trading Symbol RBFAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Bond Fund of America for the period from January 1, 2024 to June 30, 2024.
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$661.33%*
*Annualized
Expenses Paid, Amount $ 66
Expense Ratio, Percent 1.33% [1]
Net Assets $ 84,512,000,000
Holdings Count | Holdings 4,275
Investment Company, Portfolio Turnover 215.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)$84,512
Total number of portfolio holdings4,275
Portfolio turnover rate including
mortgage dollar roll
transactions
215%
Portfolio turnover rate excluding mortgage dollar roll
transactions
38
%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
The Bond Fund of America® Class 529-F-3[Member]  
Shareholder Report [Line Items]  
Fund Name The Bond Fund of America®
Class Name Class 529-F-3
Trading Symbol FBOFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Bond Fund of America for the period from January 1, 2024 to June 30, 2024.
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$140.28%*
*Annualized
Expenses Paid, Amount $ 14
Expense Ratio, Percent 0.28% [1]
Net Assets $ 84,512,000,000
Holdings Count | Holdings 4,275
Investment Company, Portfolio Turnover 215.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)$84,512
Total number of portfolio holdings4,275
Portfolio turnover rate including
mortgage dollar roll transactions		215%
Portfolio turnover rate excluding mortgage dollar roll transactions38%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
The Bond Fund of America® Class 529-F-2 [Member]  
Shareholder Report [Line Items]  
Fund Name The Bond Fund of America®
Class Name Class 529-F-2
Trading Symbol FFBOX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Bond Fund of America for the period from January 1, 2024 to June 30, 2024.
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$170.34%*
*Annualized
Expenses Paid, Amount $ 17
Expense Ratio, Percent 0.34% [1]
Net Assets $ 84,512,000,000
Holdings Count | Holdings 4,275
Investment Company, Portfolio Turnover 215.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)$84,512
Total number of portfolio holdings4,275
Portfolio turnover rate including
mortgage dollar roll transactions		215%
Portfolio turnover rate excluding mortgage dollar roll transactions38%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
The Bond Fund of America® Class 529-F-1 [Member]  
Shareholder Report [Line Items]  
Fund Name The Bond Fund of America®
Class Name Class 529-F-1
Trading Symbol CFAFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Bond Fund of America for the period from January 1, 2024 to June 30, 2024.
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]
*Annualized
Expenses Paid, Amount $ 22
Expense Ratio, Percent 0.45% [1]
Net Assets $ 84,512,000,000
Holdings Count | Holdings 4,275
Investment Company, Portfolio Turnover 215.00%
Additional Fund Statistics [Text Block]
Fund net assets (in millions)$84,512
Total number of portfolio holdings4,275
Portfolio turnover rate including
mortgage dollar roll transactions		215%
Portfolio turnover rate excluding mortgage dollar roll transactions38%
Largest Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
The Bond Fund of America® Class 529-T[Member]  
Shareholder Report [Line Items]  
Fund Name The Bond Fund of America®
Class Name Class 529-T
Trading Symbol TFBFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Bond Fund of America for the period from January 1, 2024 to June 30, 2024.
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$210.42%*
*Annualized
Expenses Paid, Amount $ 21
Expense Ratio, Percent 0.42% [1]
Net Assets $ 84,512,000,000
Holdings Count | Holdings 4,275
Investment Company, Portfolio Turnover 215.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)$84,512
Total number of portfolio holdings4,275
Portfolio turnover rate including
mortgage dollar roll transactions		215%
Portfolio turnover rate excluding mortgage dollar roll transactions38%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
The Bond Fund of America® Class 529-E [Member]  
Shareholder Report [Line Items]  
Fund Name The Bond Fund of America®
Class Name Class 529-E
Trading Symbol CFAEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Bond Fund of America for the period from January 1, 2024 to June 30, 2024.
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$410.83%*
*Annualized
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.83% [1]
Net Assets $ 84,512,000,000
Holdings Count | Holdings 4,275
Investment Company, Portfolio Turnover 215.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)$84,512
Total number of portfolio holdings4,275
Portfolio turnover rate including
mortgage dollar roll transactions		215%
Portfolio turnover rate excluding mortgage dollar roll transactions
38
%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
The Bond Fund of America® Class 529-C [Member]  
Shareholder Report [Line Items]  
Fund Name The Bond Fund of America®
Class Name Class 529-C
Trading Symbol CFACX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Bond Fund of America for the period from January 1, 2024 to June 30, 2024.
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$681.38%*
*Annualized
Expenses Paid, Amount $ 68
Expense Ratio, Percent 1.38% [1]
Net Assets $ 84,512,000,000
Holdings Count | Holdings 4,275
Investment Company, Portfolio Turnover 215.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)$84,512
Total number of portfolio holdings4,275
Portfolio turnover rate including
mortgage dollar roll transactions		215%
Portfolio turnover rate excluding mortgage dollar roll transactions38%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
The Bond Fund of America® Class 529-A [Member]  
Shareholder Report [Line Items]  
Fund Name The Bond Fund of America®
Class Name Class 529-A
Trading Symbol CFAAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Bond Fund of America for the period from January 1, 2024 to June 30, 2024.
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$320.64%*
*Annualized
Expenses Paid, Amount $ 32
Expense Ratio, Percent 0.64% [1]
Net Assets $ 84,512,000,000
Holdings Count | Holdings 4,275
Investment Company, Portfolio Turnover 215.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)$84,512
Total number of portfolio holdings4,275
Portfolio turnover rate including
mortgage dollar roll transactions		215%
Portfolio turnover rate excluding mortgage dollar roll transactions38%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
The Bond Fund of America® Class F-3 [Member]  
Shareholder Report [Line Items]  
Fund Name The Bond Fund of America®
Class Name Class F-3
Trading Symbol BFFAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Bond Fund of America for the period from January 1, 2024 to June 30, 2024.
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$110.23%*
*Annualized
Expenses Paid, Amount $ 11
Expense Ratio, Percent 0.23% [1]
Net Assets $ 84,512,000,000
Holdings Count | Holdings 4,275
Investment Company, Portfolio Turnover 215.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)$84,512
Total number of portfolio holdings4,275
Portfolio turnover rate including
mortgage dollar roll transactions		215%
Portfolio turnover rate excluding mortgage dollar roll transactions38%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
The Bond Fund of America® Class F-2 [Member]  
Shareholder Report [Line Items]  
Fund Name The Bond Fund of America®
Class Name Class F-2
Trading Symbol ABNFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Bond Fund of America for the period from January 1, 2024 to June 30, 2024.
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$170.34%*
*Annualized
Expenses Paid, Amount $ 17
Expense Ratio, Percent 0.34% [1]
Net Assets $ 84,512,000,000
Holdings Count | Holdings 4,275
Investment Company, Portfolio Turnover 215.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)$84,512
Total number of portfolio holdings4,275
Portfolio turnover rate including
mortgage dollar roll transactions		215%
Portfolio turnover rate excluding mortgage dollar roll transactions38%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
The Bond Fund of America® Class F-1 [Member]  
Shareholder Report [Line Items]  
Fund Name The Bond Fund of America®
Class Name Class F-1
Trading Symbol BFAFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Bond Fund of America for the period from January 1, 2024 to June 30, 2024.
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$320.65%*
*Annualized
Expenses Paid, Amount $ 32
Expense Ratio, Percent 0.65% [1]
Net Assets $ 84,512,000,000
Holdings Count | Holdings 4,275
Investment Company, Portfolio Turnover 215.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)$84,512
Total number of portfolio holdings
4,275
Portfolio turnover rate including
mortgage dollar roll transactions		215%
Portfolio turnover rate excluding mortgage dollar roll transactions38%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
The Bond Fund of America® Class T [Member]  
Shareholder Report [Line Items]  
Fund Name The Bond Fund of America®
Class Name Class T
Trading Symbol TBFFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Bond Fund of America for the period from January 1, 2024 to June 30, 2024.
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$160.32%*
*Annualized
Expenses Paid, Amount $ 16
Expense Ratio, Percent 0.32% [1]
Net Assets $ 84,512,000,000
Holdings Count | Holdings 4,275
Investment Company, Portfolio Turnover 215.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)$84,512
Total number of portfolio holdings4,275
Portfolio turnover rate including
mortgage dollar roll transactions		215%
Portfolio turnover rate excluding mortgage dollar roll transactions38%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
The Bond Fund of America® Class C [Member]  
Shareholder Report [Line Items]  
Fund Name The Bond Fund of America®
Class Name Class C
Trading Symbol BFACX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Bond Fund of America for the period from January 1, 2024 to June 30, 2024.
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$661.34%*
*Annualized
Expenses Paid, Amount $ 66
Expense Ratio, Percent 1.34% [1]
Net Assets $ 84,512,000,000
Holdings Count | Holdings 4,275
Investment Company, Portfolio Turnover 215.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)$84,512
Total number of portfolio holdings4,275
Portfolio turnover rate including
mortgage dollar roll transactions		215%
Portfolio turnover rate excluding mortgage dollar roll transactions38%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
The Bond Fund of America® Class A [Member]  
Shareholder Report [Line Items]  
Fund Name The Bond Fund of America®
Class Name Class A
Trading Symbol ABNDX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Bond Fund of America for the period from January 1, 2024 to June 30, 2024.
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$300.61%*
*Annualized
Expenses Paid, Amount $ 30
Expense Ratio, Percent 0.61% [1]
Net Assets $ 84,512,000,000
Holdings Count | Holdings 4,275
Investment Company, Portfolio Turnover 215.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)$84,512
Total number of portfolio
holdings
4,275
Portfolio turnover rate including
mortgage dollar roll transactions		215%
Portfolio turnover rate excluding mortgage dollar roll transactions38%
Holdings [Text Block]
Portfolio holdings by asset type
 (percent of net assets)
Graphical Representation - Allocation 1 Chart
*Includes derivatives.
[1] Annualized