v3.25.2
Shareholder Report
 6 Months Ended
Jun. 30, 2025
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name Capital Group Core Balanced ETF
Entity Central Index Key 0001970533
Entity Investment Company Type N-1A
Document Period End Date Jun. 30, 2025
Capital Group Core Balanced ETF  
Shareholder Report [Line Items]  
Fund Name Capital Group Core Balanced ETF
Class Name Capital Group Core Balanced ETF
Trading Symbol CGBL
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Capital Group Core Balanced ETF (the "fund") for the period from January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the fund at
capitalgroup.com/ETF-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/ETF-literature
Expenses [Text Block]
What were the fund costs for the last six months?
(based on a hypothetical $10,000 investment)
Fund
Cost of $10,000 Investment
Costs paid as a percentage of a $10,000 investment
CGBL
$
17		0.33
%
*
*Annualized.
Expenses Paid, Amount $ 17
Expense Ratio, Percent 0.33% [1]
Net Assets $ 2,568,000,000
Holdings Count | Holding 72
Investment Company, Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
Key fund statistics
Fund net assets (in millions)
$
2,568
Total number of portfolio holdings72
Portfolio turnover rate10
%
Holdings [Text Block]
Portfolio holdings by sector 
(percent of net assets)
Graphical Representation - Allocation 1 Chart
[1] Annualized.