American Funds Global Insight Fund Class A Class 529-A Class C Class 529-C Class 529-E Class T Class 529-T Class F-3 Class F-2 Class F-1 Class 529-F-1 Class 529-F-2 Class 529-F-3 Class R-6 Class R-5 Class R-4 Class R-3 Class R-2E Class R-2 Class R-1 Class R-5E Market conditions [Member] Issuer risks [Member] Investing in growth-oriented stocks [Member] Investing outside the United States [Member] Management [Member] MSCI® World Index (reflects no deductions for account fees, expenses or U.S. federal income taxes) S000066952 Member C000215502 Member Market Conditions Member index_ MSCI_ World_ Index_reflects_no_deductions_for_account_fees_expenses_or_ US_federal_income_taxes Member C000215512 Member C000215507 Member C000224589 Member C000215514 Member Investing In Growthoriented Stocks Member C000215499 Member C000215504 Member C000215509 Member C000215508 Member Issuer Risks Member C000215501 Member C000215511 Member C000215513 Member C000215516 Member C000215503 Member C000215506 Member C000215498 Member C000215515 Member C000215505 Member ManagementMember Investing Outside The United States Member C000224590 Member C000215500 Member C000215510 Member