Capital Group Multi-Asset Income Builder ETF Share Class Market conditions [Member] Issuer risks [Member] Investing in income-oriented stocks [Member] Investing in debt instruments [Member] Investing in lower rated debt instruments [Member] Investing outside the United States [Member] Market trading [Member] Authorized Participant concentration [Member] Asset allocation [Member] Fund structure [Member] Management [Member] Investing In Lower Rated Debt Instruments Member Issuer Risks Member Asset Allocation Member Market Conditions Member S000108048 Member Authorized Participant Concentration Member Fund Structure Member Investing In Incomeoriented Stocks Member ManagementMember Investing In Debt Instruments Member C000279023 Member Investing Outside The United States Member Market Trading Member