v3.25.2
Shareholder Report
6 Months Ended
May 31, 2025
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name American Funds Developing World Growth and Income Fund
Entity Central Index Key 0001584433
Entity Investment Company Type N-1A
Document Period End Date May 31, 2025
American Funds® Developing World Growth and Income Fund - Class A  
Shareholder Report [Line Items]  
Fund Name American Funds® Developing World Growth and Income Fund
Class Name Class A
Trading Symbol DWGAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Funds Developing World Growth and Income Fund
 
(the "fund") for the period from December 1, 2024 to May 31, 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
$
63
1.21
%
*
*Annualized.
Expenses Paid, Amount $ 63
Expense Ratio, Percent 1.21% [1]
Net Assets $ 1,893,000,000
Holdings Count | Holding 131
Investment Company, Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
1,893
Total number of portfolio holdings131
Portfolio turnover rate29
%
Holdings [Text Block]
Portfolio holdings by sector 
(percent of net assets)
Graphical Representation - Allocation 1 Chart
American Funds® Developing World Growth and Income Fund - Class C  
Shareholder Report [Line Items]  
Fund Name American Funds® Developing World Growth and Income Fund
Class Name Class C
Trading Symbol DWGCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Funds Developing World Growth and Income Fund (the "fund") for the period from December 1, 2024 to May 31, 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
$
103
1.98
%
*
*Annualized.
Expenses Paid, Amount $ 103
Expense Ratio, Percent 1.98% [1]
Net Assets $ 1,893,000,000
Holdings Count | Holding 131
Investment Company, Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
1,893
Total number of portfolio holdings131
Portfolio turnover rate29
%
Holdings [Text Block]
Portfolio holdings by
sector
 
(percent of net assets)
Graphical Representation - Allocation 1 Chart
American Funds® Developing World Growth and Income Fund - Class T  
Shareholder Report [Line Items]  
Fund Name American Funds® Developing World Growth and Income Fund
Class Name Class T
Trading Symbol TDWGX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Funds Developing World Growth and Income Fund (the "fund") for the period from December 1, 2024 to May 31, 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
$
51
0.97
%
*
*Annualized.
Expenses Paid, Amount $ 51
Expense Ratio, Percent 0.97% [1]
Net Assets $ 1,893,000,000
Holdings Count | Holding 131
Investment Company, Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
1,893
Total number of portfolio holdings131
Portfolio turnover rate29
%
Holdings [Text Block]
Portfolio holdings by sector 
(percent of net assets)
Graphical Representation - Allocation 1 Chart
American Funds® Developing World Growth and Income Fund - Class F-1  
Shareholder Report [Line Items]  
Fund Name American Funds® Developing World Growth and Income Fund
Class Name Class F-1
Trading Symbol DWGFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Funds Developing World Growth and Income Fund (the "fund") for the period from December 1, 2024 to May 31, 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
$
61
1.16
%
*
*Annualized.
Expenses Paid, Amount $ 61
Expense Ratio, Percent 1.16% [1]
Net Assets $ 1,893,000,000
Holdings Count | Holding 131
Investment Company, Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
1,893
Total number of portfolio holdings131
Portfolio turnover rate29
%
Holdings [Text Block]
Portfolio holdings by sector 
(percent of net assets)
Graphical Representation - Allocation 1 Chart
American Funds® Developing World Growth and Income Fund - Class F-2  
Shareholder Report [Line Items]  
Fund Name American Funds® Developing World Growth and Income Fund
Class Name Class F-2
Trading Symbol DWGHX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Funds Developing World Growth and Income Fund
 
(the "fund") for the period from December 1, 2024 to May 31, 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
$
46
0.88
%
*
*Annualized.
Expenses Paid, Amount $ 46
Expense Ratio, Percent 0.88% [1]
Net Assets $ 1,893,000,000
Holdings Count | Holding 131
Investment Company, Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
1,893
Total number of portfolio holdings131
Portfolio turnover rate29
%
Holdings [Text Block]
Portfolio holdings by sector 
(percent of net assets)
Graphical Representation - Allocation 1 Chart
American Funds® Developing World Growth and Income Fund - Class F-3  
Shareholder Report [Line Items]  
Fund Name American Funds® Developing World Growth and Income Fund
Class Name Class F-3
Trading Symbol FDWGX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Funds Developing World Growth and Income Fund (the "fund") for the period from December 1, 2024 to May 31, 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
$
40
0.77
%
*
*Annualized.
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.77% [1]
Net Assets $ 1,893,000,000
Holdings Count | Holding 131
Investment Company, Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
1,893
Total number of portfolio holdings131
Portfolio turnover rate29
%
Holdings [Text Block]
Portfolio holdings by sector 
(percent of net assets)
Graphical Representation - Allocation 1 Chart
American Funds® Developing World Growth and Income Fund - Class 529-A  
Shareholder Report [Line Items]  
Fund Name American Funds® Developing World Growth and Income Fund
Class Name Class 529-A
Trading Symbol CDWAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Funds Developing World Growth and Income Fund (the "fund") for the period from December 1, 2024 to May 31, 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
$
64
1.23
%
*
*Annualized.
Expenses Paid, Amount $ 64
Expense Ratio, Percent 1.23% [1]
Net Assets $ 1,893,000,000
Holdings Count | Holding 131
Investment Company, Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
1,893
Total number of portfolio holdings131
Portfolio turnover rate29
%
Holdings [Text Block]
Portfolio holdings by sector 
(percent of net assets)
Graphical Representation - Allocation 1 Chart
American Funds® Developing World Growth and Income Fund - Class 529-C  
Shareholder Report [Line Items]  
Fund Name American Funds® Developing World Growth and Income Fund
Class Name Class 529-C
Trading Symbol CDWCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Funds Developing World Growth and Income Fund (the "fund") for the period from December 1, 2024 to May 31, 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
$
105
2.01
%
*
*Annualized.
Expenses Paid, Amount $ 105
Expense Ratio, Percent 2.01% [1]
Net Assets $ 1,893,000,000
Holdings Count | Holding 131
Investment Company, Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
1,893
Total number of portfolio holdings131
Portfolio turnover rate29
%
Holdings [Text Block]
Portfolio holdings by sector 
(percent of net assets)
Graphical Representation - Allocation 1 Chart
American Funds® Developing World Growth and Income Fund - Class 529-E  
Shareholder Report [Line Items]  
Fund Name American Funds® Developing World Growth and Income Fund
Class Name Class 529-E
Trading Symbol CDWEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Funds Developing World Growth and Income Fund (the "fund") for the period from December 1, 2024 to May 31, 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
$
73
1.39
%
*
*Annualized.
Expenses Paid, Amount $ 73
Expense Ratio, Percent 1.39% [1]
Net Assets $ 1,893,000,000
Holdings Count | Holding 131
Investment Company, Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
1,893
Total number of portfolio holdings131
Portfolio turnover rate29
%
Holdings [Text Block]
Portfolio holdings by sector 
(percent of net assets)
Graphical Representation - Allocation 1 Chart
American Funds® Developing World Growth and Income Fund - Class 529-T  
Shareholder Report [Line Items]  
Fund Name American Funds® Developing World Growth and Income Fund
Class Name Class 529-T
Trading Symbol TWDGX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Funds Developing World Growth and Income Fund (the "fund") for the period from December 1, 2024 to May 31, 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
$
53
1.01
%
*
*Annualized.
Expenses Paid, Amount $ 53
Expense Ratio, Percent 1.01% [1]
Net Assets $ 1,893,000,000
Holdings Count | Holding 131
Investment Company, Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
1,893
Total number of portfolio holdings131
Portfolio turnover rate29
%
Holdings [Text Block]
Portfolio holdings by sector 
(percent of net assets)
Graphical Representation - Allocation 1 Chart
American Funds® Developing World Growth and Income Fund - Class 529-F-1  
Shareholder Report [Line Items]  
Fund Name American Funds® Developing World Growth and Income Fund
Class Name Class 529-F-1
Trading Symbol CDWFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Funds Developing World Growth and Income Fund (the "fund") for the period from December 1, 2024 to May 31, 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
$
51
0.97
%
*
*Annualized.
Expenses Paid, Amount $ 51
Expense Ratio, Percent 0.97% [1]
Net Assets $ 1,893,000,000
Holdings Count | Holding 131
Investment Company, Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
1,893
Total number of portfolio holdings131
Portfolio turnover rate29
%
Holdings [Text Block]
Portfolio holdings by sector 
(percent of net assets)
Graphical Representation - Allocation 1 Chart
American Funds® Developing World Growth and Income Fund - Class 529-F-2  
Shareholder Report [Line Items]  
Fund Name American Funds® Developing World Growth and Income Fund
Class Name Class 529-F-2
Trading Symbol FWDDX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Funds Developing World Growth and Income Fund (the "fund") for the period from December 1, 2024 to May 31, 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
$
47
0.89
%
*
*Annualized.
Expenses Paid, Amount $ 47
Expense Ratio, Percent 0.89% [1]
Net Assets $ 1,893,000,000
Holdings Count | Holding 131
Investment Company, Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
1,893
Total number of portfolio holdings131
Portfolio turnover rate29
%
Holdings [Text Block]
Portfolio holdings by sector 
(percent of net assets)
Graphical Representation - Allocation 1 Chart
American Funds® Developing World Growth and Income Fund - Class 529-F-3  
Shareholder Report [Line Items]  
Fund Name American Funds® Developing World Growth and Income Fund
Class Name Class 529-F-3
Trading Symbol FWDGX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Funds Developing World Growth and Income Fund (the "fund") for the period from December 1, 2024 to May 31, 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
$
44
0.84
%
*
*Annualized.
Expenses Paid, Amount $ 44
Expense Ratio, Percent 0.84% [1]
Net Assets $ 1,893,000,000
Holdings Count | Holding 131
Investment Company, Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
1,893
Total number of portfolio holdings131
Portfolio turnover rate29
%
Holdings [Text Block]
Portfolio holdings by sector 
(percent of net assets)
Graphical Representation - Allocation 1 Chart
American Funds® Developing World Growth and Income Fund - Class R-1  
Shareholder Report [Line Items]  
Fund Name American Funds® Developing World Growth and Income Fund
Class Name Class R-1
Trading Symbol RDWAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Funds Developing World Growth and Income Fund (the "fund") for the period from December 1, 2024 to May 31, 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
$
98
1.88
%
*
*Annualized.
Expenses Paid, Amount $ 98
Expense Ratio, Percent 1.88% [1]
Net Assets $ 1,893,000,000
Holdings Count | Holding 131
Investment Company, Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
1,893
Total number of portfolio holdings131
Portfolio turnover rate29
%
Holdings [Text Block]
Portfolio holdings by sector 
(percent of net assets)
Graphical Representation - Allocation 1 Chart
American Funds® Developing World Growth and Income Fund - Class R-2  
Shareholder Report [Line Items]  
Fund Name American Funds® Developing World Growth and Income Fund
Class Name Class R-2
Trading Symbol RDWBX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Funds Developing World Growth and Income Fund (the "fund") for the period from December 1, 2024 to May 31, 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
$
96
1.85
%
*
*Annualized.
Expenses Paid, Amount $ 96
Expense Ratio, Percent 1.85% [1]
Net Assets $ 1,893,000,000
Holdings Count | Holding 131
Investment Company, Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
1,893
Total number of portfolio holdings131
Portfolio turnover rate29
%
Holdings [Text Block]
Portfolio holdings by sector 
(percent of net assets)
Graphical Representation - Allocation 1 Chart
American Funds® Developing World Growth and Income Fund - Class R-2E  
Shareholder Report [Line Items]  
Fund Name American Funds® Developing World Growth and Income Fund
Class Name Class R-2E
Trading Symbol RDEGX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Funds Developing World Growth and Income Fund (the "fund") for the period from December 1, 2024 to May 31, 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
$
81
1.55
%
*
*Annualized.
Expenses Paid, Amount $ 81
Expense Ratio, Percent 1.55% [1]
Net Assets $ 1,893,000,000
Holdings Count | Holding 131
Investment Company, Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
1,893
Total number of portfolio holdings131
Portfolio turnover rate29
%
Holdings [Text Block]
Portfolio holdings by sector 
(percent of net assets)
Graphical Representation - Allocation 1 Chart
American Funds® Developing World Growth and Income Fund - Class R-3  
Shareholder Report [Line Items]  
Fund Name American Funds® Developing World Growth and Income Fund
Class Name Class R-3
Trading Symbol RDWCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Funds Developing World Growth and Income Fund (the "fund") for the period from December 1, 2024 to May 31, 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 $1
0,0
00 investment)
Share class
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class R-3
$
74
1.42
%
*
*Annualized.
Expenses Paid, Amount $ 74
Expense Ratio, Percent 1.42% [1]
Net Assets $ 1,893,000,000
Holdings Count | Holding 131
Investment Company, Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
1,893
Total number of portfolio holdings131
Portfolio turnover rate29
%
Holdings [Text Block]
Portfolio holdings by sector 
(percent of net assets)
Graphical Representation - Allocation 1 Chart
American Funds® Developing World Growth and Income Fund - Class R-4  
Shareholder Report [Line Items]  
Fund Name American Funds® Developing World Growth and Income Fund
Class Name Class R-4
Trading Symbol RDWEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Funds Developing World Growth and Income Fund (the "fund") for the period from December 1, 2024 to May 31, 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
$
58
1.11
%
*
*Annualized.
Expenses Paid, Amount $ 58
Expense Ratio, Percent 1.11% [1]
Net Assets $ 1,893,000,000
Holdings Count | Holding 131
Investment Company, Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key
fun
d statistics
Fund net assets (in millions)
$
1,893
Total number of portfolio holdings131
Portfolio turnover rate29
%
Holdings [Text Block]
Portfolio holdings by sector 
(percent of net assets)
Graphical Representation - Allocation 1 Chart
American Funds® Developing World Growth and Income Fund - Class R-5E  
Shareholder Report [Line Items]  
Fund Name American Funds® Developing World Growth and Income Fund
Class Name Class R-5E
Trading Symbol RDWHX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Funds Developing World Growth and Income Fund (the "fund") for the period from December 1, 2024 to May 31, 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 in
v
estment)
Share class
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class R-5E
$
49
0.94
%
*
*Annualized.
Expenses Paid, Amount $ 49
Expense Ratio, Percent 0.94% [1]
Net Assets $ 1,893,000,000
Holdings Count | Holding 131
Investment Company, Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
1,893
Total number of portfolio holdings131
Portfolio turnover rate29
%
Holdings [Text Block]
Portfolio holdings by sector 
(percent of net assets)
Graphical Representation - Allocation 1 Chart
American Funds® Developing World Growth and Income Fund - Class R-5  
Shareholder Report [Line Items]  
Fund Name American Funds® Developing World Growth and Income Fund
Class Name Class R-5
Trading Symbol RDWFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Funds Developing World Growth and Income Fund (the "fund") for the period from December 1, 2024 to May 31, 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 inv
e
stment)
Share class
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class R-5
$
43
0.82
%
*
*Annualized.
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.82% [1]
Net Assets $ 1,893,000,000
Holdings Count | Holding 131
Investment Company, Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
1,893
Total number of portfolio holdings131
Portfolio turnover rate29
%
Holdings [Text Block]
Portfolio holdings by sector 
(percent of net assets)
Graphical Representation - Allocation 1 Chart
American Funds® Developing World Growth and Income Fund - Class R-6  
Shareholder Report [Line Items]  
Fund Name American Funds® Developing World Growth and Income Fund
Class Name Class R-6
Trading Symbol RDWGX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about American Funds Developing World Growth and Income Fund (the "fund") for the period from December 1, 2024 to May 31, 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
in
vestment)
Share class
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class R-6
$
40
0.77
%
*
*Annualized.
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.77% [1]
Net Assets $ 1,893,000,000
Holdings Count | Holding 131
Investment Company, Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
1,893
Total number of portfolio holdings131
Portfolio turnover rate29
%
Holdings [Text Block]
Portfolio holdings by sector 
(percent of net assets)
Graphical Representation - Allocation 1 Chart
[1] Annualized.