v3.26.1
Shareholder Report
6 Months Ended
May 31, 2026
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name The New Economy Fund
Entity Central Index Key 0000719608
Entity Investment Company Type N-1A
Document Period End Date May 31, 2026
The New Economy Fund - Class A  
Shareholder Report [Line Items]  
Fund Name The New Economy Fund®
Class Name Class A
Trading Symbol ANEFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The New Economy Fund (the "fund") for the period from December 1, 2025 to May 31, 2026.
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
$
40
0.71
%
*
*Annualized.
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.71% [1]
Net Assets $ 51,393,000,000
Holdings Count | Holding 177
Investment Company, Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
51,393
Total number of portfolio holdings177
Portfolio turnover rate38
%
Holdings [Text Block]
Portfolio holdings by sector
(percent of net assets)
Graphical Representation - Allocation 1 Chart
*Less than 0.01%.
The New Economy Fund - Class C  
Shareholder Report [Line Items]  
Fund Name The New Economy Fund®
Class Name Class C
Trading Symbol ANFCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The New Economy Fund (the "fund") for the period from December 1, 2025 to May 31, 2026.
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 classCosts of a $10,000 investmentCosts paid as a percentage of a $10,000 investment
Class C
$
82
1.47
%
*
*Annualized.
Expenses Paid, Amount $ 82
Expense Ratio, Percent 1.47% [1]
Net Assets $ 51,393,000,000
Holdings Count | Holding 177
Investment Company, Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key
fund statistics
Fund net assets (in millions)
$
51,393
Total number of portfolio holdings177
Portfolio turnover rate38
%
Holdings [Text Block]
Portfolio holdings by sector
(percent of net assets)
Graphical Representation - Allocation 1 Chart
*Less than 0.01%.
The New Economy Fund - Class T  
Shareholder Report [Line Items]  
Fund Name The New Economy Fund®
Class Name Class T
Trading Symbol TNEEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The New Economy Fund (the "fund") for the period from December 1, 2025 to May 31, 2026.
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 classCosts of a $10,000 investmentCosts paid as a percentage of a $10,000 investment
Class T
$
26
0.47
%
*
*Annualized.
Expenses Paid, Amount $ 26
Expense Ratio, Percent 0.47% [1]
Net Assets $ 51,393,000,000
Holdings Count | Holding 177
Investment Company, Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
51,393
Total number of portfolio holdings177
Portfolio turnover rate38
%
Holdings [Text Block]
Portfolio holdings by sector
(
perce
nt of net assets)
Graphical Representation - Allocation 1 Chart
*Less than 0.01%.
The New Economy Fund - Class F-1  
Shareholder Report [Line Items]  
Fund Name The New Economy Fund®
Class Name Class F-1
Trading Symbol ANFFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The New Economy Fund (the "fund") for the period from December 1, 2025 to May 31, 2026.
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 hypo
the
tical $10,000 investment)
Share classCosts of a $10,000 investmentCosts paid as a percentage of a $10,000 investment
Class F-1
$
43
0.77
%
*
*Annualized.
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.77% [1]
Net Assets $ 51,393,000,000
Holdings Count | Holding 177
Investment Company, Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
51,393
Total number of portfolio holdings177
Portfolio turnover rate38
%
Holdings [Text Block]
Portfolio holdings by sector
(percent
of
net assets)
Graphical Representation - Allocation 1 Chart
*Less than 0.01%.
The New Economy Fund - Class F-2  
Shareholder Report [Line Items]  
Fund Name The New Economy Fund®
Class Name Class F-2
Trading Symbol NEFFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The New Economy Fund (the "fund") for the period from December 1, 2025 to May 31, 2026.
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
$
29
0.52
%
*
*Annualized.
Expenses Paid, Amount $ 29
Expense Ratio, Percent 0.52% [1]
Net Assets $ 51,393,000,000
Holdings Count | Holding 177
Investment Company, Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
51,393
Total number of portfolio holdings177
Portfolio turnover rate38
%
Holdings [Text Block]
Portfolio holdings by sector
(percent
of
ne
t ass
ets)
Graphical Representation - Allocation 1 Chart
*Less than 0.01%.
The New Economy Fund - Class F-3  
Shareholder Report [Line Items]  
Fund Name The New Economy Fund®
Class Name Class F-3
Trading Symbol FNEFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The New Economy Fund (the "fund") for the period from December 1, 2025 to May 31, 2026.
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 classCosts of a $10,000 investmentCosts paid as a percentage of a $10,000 investment
Class F-3
$
22
0.40
%
*
*Annualized.
Expenses Paid, Amount $ 22
Expense Ratio, Percent 0.40% [1]
Net Assets $ 51,393,000,000
Holdings Count | Holding 177
Investment Company, Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
51,393
Total number of portfolio holdings177
Portfolio turnover rate38
%
Holdings [Text Block]
Portfolio holdings by sector
(perce
nt of n
et
assets
)
Graphical Representation - Allocation 1 Chart
*Less than 0.01%.
The New Economy Fund - Class 529-A  
Shareholder Report [Line Items]  
Fund Name The New Economy Fund®
Class Name Class 529-A
Trading Symbol CNGAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The New Economy Fund (the "fund") for the period from December 1, 2025 to May 31, 2026.
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 classCosts of a $10,000 investmentCosts paid as a percentage of a $10,000 investment
Class 529-A
$
41
0.74
%
*
*Annualized.
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.74% [1]
Net Assets $ 51,393,000,000
Holdings Count | Holding 177
Investment Company, Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
51,393
Total number of portfolio holdings177
Portfolio turnover rate38
%
Holdings [Text Block]
Portfolio holdings by sector
(percent o
f
net
assets)
Graphical Representation - Allocation 1 Chart
*Less than 0.01%.
The New Economy Fund - Class 529-C  
Shareholder Report [Line Items]  
Fund Name The New Economy Fund®
Class Name Class 529-C
Trading Symbol CNGCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The New Economy Fund (the "fund") for the period from December 1, 2025 to May 31, 2026.
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 classCosts of a $10,000 investmentCosts paid as a percentage of a $10,000 investment
Class 529-C
$
85
1.52
%
*
*Annualized.
Expenses Paid, Amount $ 85
Expense Ratio, Percent 1.52% [1]
Net Assets $ 51,393,000,000
Holdings Count | Holding 177
Investment Company, Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
51,393
Total number of portfolio holdings177
Portfolio turnover rate38
%
Holdings [Text Block]
Portfolio holdings by sector
(pe
rcent
of net assets)
Graphical Representation - Allocation 1 Chart
*Less than 0.01%.
The New Economy Fund - Class 529-E  
Shareholder Report [Line Items]  
Fund Name The New Economy Fund®
Class Name Class 529-E
Trading Symbol CNGEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The New Economy Fund (the "fund") for the period from December 1, 2025 to May 31, 2026.
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 classCosts of a $10,000 investmentCosts paid as a percentage of a $10,000 investment
Class 529-E
$
56
1.00
%
*
*Annualized.
Expenses Paid, Amount $ 56
Expense Ratio, Percent 1.00% [1]
Net Assets $ 51,393,000,000
Holdings Count | Holding 177
Investment Company, Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
51,393
Total number of portfolio holdings177
Portfolio turnover rate38
%
Holdings [Text Block]
Portfolio holdings by sector
(
perce
nt of net assets)
Graphical Representation - Allocation 1 Chart
*Less than 0.01%.
The New Economy Fund - Class 529-T  
Shareholder Report [Line Items]  
Fund Name The New Economy Fund®
Class Name Class 529-T
Trading Symbol TENEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The New Economy Fund (the "fund") for the period from December 1, 2025 to May 31, 2026.
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 classCosts of a $10,000 investmentCosts paid as a percentage of a $10,000 investment
Class 529-T
$
29
0.52
%
*
*Annualized.
Expenses Paid, Amount $ 29
Expense Ratio, Percent 0.52% [1]
Net Assets $ 51,393,000,000
Holdings Count | Holding 177
Investment Company, Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
51,393
Total number of portfolio holdings177
Portfolio turnover rate38
%
Holdings [Text Block]
Portfolio holdings by sector
(
percen
t of net assets)
Graphical Representation - Allocation 1 Chart
*Less than 0.01%.
The New Economy Fund - Class 529-F-1  
Shareholder Report [Line Items]  
Fund Name The New Economy Fund®
Class Name Class 529-F-1
Trading Symbol CNGFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The New Economy Fund (the "fund") for the period from December 1, 2025 to May 31, 2026.
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 classCosts of a $10,000 investmentCosts paid as a percentage of a $10,000 investment
Class 529-F-1
$
33
0.59
%
*
*Annualized.
Expenses Paid, Amount $ 33
Expense Ratio, Percent 0.59% [1]
Net Assets $ 51,393,000,000
Holdings Count | Holding 177
Investment Company, Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
51,393
Total number of portfolio holdings177
Portfolio turnover rate38
%
Holdings [Text Block]
Portfolio holdings by sector
(
percent
of net assets)
Graphical Representation - Allocation 1 Chart
*Less than 0.01%.
The New Economy Fund - Class 529-F-2  
Shareholder Report [Line Items]  
Fund Name The New Economy Fund®
Class Name Class 529-F-2
Trading Symbol FNEEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The New Economy Fund (the "fund") for the period from December 1, 2025 to May 31, 2026.
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 classCosts of a $10,000 investmentCosts paid as a percentage of a $10,000 investment
Class 529-F-2
$
28
0.50
%
*
*Annualized.
Expenses Paid, Amount $ 28
Expense Ratio, Percent 0.50% [1]
Net Assets $ 51,393,000,000
Holdings Count | Holding 177
Investment Company, Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
51,393
Total number of portfolio holdings177
Portfolio turnover rate38
%
Holdings [Text Block]
Portfolio holdings by sector
(
perce
nt of net assets)
Graphical Representation - Allocation 1 Chart
*Less than 0.01%.
The New Economy Fund - Class 529-F-3  
Shareholder Report [Line Items]  
Fund Name The New Economy Fund®
Class Name Class 529-F-3
Trading Symbol FNNEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The New Economy Fund (the "fund") for the period from December 1, 2025 to May 31, 2026.
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 classCosts of a $10,000 investmentCosts paid as a percentage of a $10,000 investment
Class 529-F-3
$
26
0.46
%
*
*Annualized.
Expenses Paid, Amount $ 26
Expense Ratio, Percent 0.46% [1]
Net Assets $ 51,393,000,000
Holdings Count | Holding 177
Investment Company, Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
51,393
Total number of portfolio holdings177
Portfolio turnover rate38
%
Holdings [Text Block]
Portfolio holdings by sector
(
perc
ent of net assets)
Graphical Representation - Allocation 1 Chart
*Less than 0.01%.
The New Economy Fund - Class R-1  
Shareholder Report [Line Items]  
Fund Name The New Economy Fund®
Class Name Class R-1
Trading Symbol RNGAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The New Economy Fund (the "fund") for the period from December 1, 2025 to May 31, 2026.
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 classCosts of a $10,000 investmentCosts paid as a percentage of a $10,000 investment
Class R-1
$
83
1.48
%
*
*Annualized.
Expenses Paid, Amount $ 83
Expense Ratio, Percent 1.48% [1]
Net Assets $ 51,393,000,000
Holdings Count | Holding 177
Investment Company, Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
51,393
Total number of portfolio holdings177
Portfolio turnover rate38
%
Holdings [Text Block]
Portfolio holdi
ngs b
y sector
(percent of net assets)
Graphical Representation - Allocation 1 Chart
*Less than 0.01%.
The New Economy Fund - Class R-2  
Shareholder Report [Line Items]  
Fund Name The New Economy Fund®
Class Name Class R-2
Trading Symbol RNGBX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The New Economy Fund (the "fund") for the period from December 1, 2025 to May 31, 2026.
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 classCosts of a $10,000 investmentCosts paid as a percentage of a $10,000 investment
Class R-2
$
83
1.49
%
*
*Annualized.
Expenses Paid, Amount $ 83
Expense Ratio, Percent 1.49% [1]
Net Assets $ 51,393,000,000
Holdings Count | Holding 177
Investment Company, Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
51,393
Total number of portfolio holdings177
Portfolio turnover rate38
%
Holdings [Text Block]
Portfolio holdings by sector
(pe
rcent of net as
sets)
Graphical Representation - Allocation 1 Chart
*Less than 0.01%.
The New Economy Fund - Class R-2E  
Shareholder Report [Line Items]  
Fund Name The New Economy Fund®
Class Name Class R-2E
Trading Symbol RNNEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The New Economy Fund (the "fund") for the period from December 1, 2025 to May 31, 2026.
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 classCosts of a $10,000 investmentCosts paid as a percentage of a $10,000 investment
Class R-2E
$
66
1.19
%
*
*Annualized.
Expenses Paid, Amount $ 66
Expense Ratio, Percent 1.19% [1]
Net Assets $ 51,393,000,000
Holdings Count | Holding 177
Investment Company, Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
51,393
Total number of portfolio holdings177
Portfolio turnover rate38
%
Holdings [Text Block]
Portfolio holdings by sector
(percent
of net assets)
Graphical Representation - Allocation 1 Chart
*Less than 0.01%.
The New Economy Fund - Class R-3  
Shareholder Report [Line Items]  
Fund Name The New Economy Fund®
Class Name Class R-3
Trading Symbol RNGCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The New Economy Fund (the "fund") for the period from December 1, 2025 to May 31, 2026.
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
$
59
1.05
%
*
*Annualized.
Expenses Paid, Amount $ 59
Expense Ratio, Percent 1.05% [1]
Net Assets $ 51,393,000,000
Holdings Count | Holding 177
Investment Company, Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
51,393
Total number of portfolio holdings177
Portfolio turnover rate38
%
Holdings [Text Block]
Portfolio holdings by sector
(p
ercen
t of net assets)
Graphical Representation - Allocation 1 Chart
*Less than 0.01%.
The New Economy Fund - Class R-4  
Shareholder Report [Line Items]  
Fund Name The New Economy Fund®
Class Name Class R-4
Trading Symbol RNGEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The New Economy Fund (the "fund") for the period from December 1, 2025 to May 31, 2026.
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 classCosts of a $10,000 investmentCosts paid as a percentage of a $10,000 investment
Class R-4
$
42
0.75
%
*
*Annualized.
Expenses Paid, Amount $ 42
Expense Ratio, Percent 0.75% [1]
Net Assets $ 51,393,000,000
Holdings Count | Holding 177
Investment Company, Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
51,393
Total number of portfolio holdings177
Portfolio turnover rate38
%
Holdings [Text Block]
Portfolio holdings by sector
(perce
nt of
net assets)
Graphical Representation - Allocation 1 Chart
*Less than 0.01%.
The New Economy Fund - Class R-5E  
Shareholder Report [Line Items]  
Fund Name The New Economy Fund®
Class Name Class R-5E
Trading Symbol RNGHX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The New Economy Fund (the "fund") for the period from December 1, 2025 to May 31, 2026.
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 classCosts of a $10,000 investmentCosts paid as a percentage of a $10,000 investment
Class R-5E
$
31
0.56
%
*
*Annualized.
Expenses Paid, Amount $ 31
Expense Ratio, Percent 0.56% [1]
Net Assets $ 51,393,000,000
Holdings Count | Holding 177
Investment Company, Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
51,393
Total number of portfolio holdings177
Portfolio turnover rate38
%
Holdings [Text Block]
Portfolio holdings by sector
(p
ercen
t of net assets)
Graphical Representation - Allocation 1 Chart
*Less than 0.01%.
The New Economy Fund - Class R-5  
Shareholder Report [Line Items]  
Fund Name The New Economy Fund®
Class Name Class R-5
Trading Symbol RNGFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The New Economy Fund (the "fund") for the period from December 1, 2025 to May 31, 2026.
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 classCosts of a $10,000 investmentCosts paid as a percentage of a $10,000 investment
Class R-5
$
25
0.45
%
*
*Annualized.
Expenses Paid, Amount $ 25
Expense Ratio, Percent 0.45% [1]
Net Assets $ 51,393,000,000
Holdings Count | Holding 177
Investment Company, Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
51,393
Total number of portfolio holdings177
Portfolio turnover rate38
%
Holdings [Text Block]
Portfolio holdings by sector
(
perc
ent of net assets)
Graphical Representation - Allocation 1 Chart
*Less than 0.01%.
The New Economy Fund - Class R-6  
Shareholder Report [Line Items]  
Fund Name The New Economy Fund®
Class Name Class R-6
Trading Symbol RNGGX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The New Economy Fund (the "fund") for the period from December 1, 2025 to May 31, 2026.
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 classCosts of a $10,000 investmentCosts paid as a percentage of a $10,000 investment
Class R-6
$
22
0.40
%
*
*Annualized.
Expenses Paid, Amount $ 22
Expense Ratio, Percent 0.40% [1]
Net Assets $ 51,393,000,000
Holdings Count | Holding 177
Investment Company, Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
51,393
Total number of portfolio holdings177
Portfolio turnover rate38
%
Holdings [Text Block]
Portfolio holdings by sector
(p
ercent of
net assets)
Graphical Representation - Allocation 1 Chart
*Less than 0.01%.
[1] Annualized.