NEW WORLD FUND, INC. Class A Class 529-A Class C Class 529-C Class 529-E Class 529-T Class T Class F-1 Class 529-F-1 Class F-2 Class F-3 Class 529-F-2 Class 529-F-3 Class R-1 Class R-2 Class R-3 Class R-4 Class R-5 Class R-6 Class R-2E Class R-5E Market conditions [Member] Issuer risks [Member] Investing in growth-oriented stocks [Member] Investing outside the United States [Member] Investing in developing countries [Member] Investing in debt instruments [Member] Investing in lower rated debt instruments [Member] Liquidity risk [Member] Investing in small companies [Member] Management [Member] MSCI® Emerging Markets Index (reflects no deductions for sales charges, account fees, expenses or U.S. federal income taxes) MSCI All Country World Index (reflects no deductions for sales charges, account fees, expenses or U.S. federal income taxes) C000077878 Member C000189488 Member S000009633 Member index_ MSCI_ Emerging_ Markets_ Index_reflects_no_deductions_for_sales_charges_account_fees_expenses_or_ US_federal_income_taxes Member C000224597 Member C000026386 Member C000026376 Member Investing In Small Companies Member Market Conditions Member C000026382 Member C000148355 Member C000026378 Member C000068580 Member Investing In Growthoriented Stocks Member C000026380 Member C000179977 Member C000026388 Member Liquidity Risk Member index_ MSCI_ All_ Country_ World_ Index_reflects_no_deductions_for_sales_charges_account_fees_expenses_or_ US_federal_income_taxes Member Investing In Lower Rated Debt Instruments Member Issuer Risks Member C000189489 Member C000026375 Member C000026383 Member C000164813 Member Investing In Developing Countries Member C000026387 Member C000026377 Member ManagementMember Investing In Debt Instruments Member C000224598 Member C000026379 Member Investing Outside The United States Member C000026384 Member