After Taxes on Distributions After Taxes on Distributions and Sale of Fund Shares Average Annual Returns, Inception Date Average Annual Returns, Since Inception Average Annual Returns, 10 Years Average Annual Returns, 1 Year Average Annual Returns, 5 Years Risk/Return Summary [Abstract] index_6040_MSCI_All_Country_World_IndexBloomberg_Global_Aggregate_Index_reflects_no_deduction_for_sales_charges_account_fees_expenses_or_US_federal_income_taxes 60%/40% MSCI All Country World Index/Bloomberg Global Aggregate Index (reflects no deduction for sales charges, account fees, expenses or U.S. federal income taxes) index_6040_SP_500_IndexBloomberg_US_Aggregate_Index_reflects_no_deductions_for_sales_charges_account_fees_expenses_or_US_federal_income_taxes 60%/40% S&P 500 Index/Bloomberg U.S. Aggregate Index (reflects no deductions for sales charges, account fees, expenses or U.S. federal income taxes) index_7030_MSCI_All_Country_World_IndexBloomberg_US_Aggregate_Index_reflects_no_deduction_for_sales_charges_account_fees_expenses_or_US_federal_income_taxes 70%/30% MSCI All Country World Index/Bloomberg U.S. Aggregate Index (reflects no deduction for sales charges, account fees, expenses or U.S. federal income taxes) index_American_Funds_Growth_and_Income_Portfolio_Custom_Index_reflects_no_deduction_for_sales_charges_commissions_account_fees_expenses_or_US_federal_income_taxes American Funds Growth and Income Portfolio Custom Index (reflects no deduction for sales charges, commissions, account fees, expenses or U.S. federal income taxes) index_Bloomberg_Global_Aggregate_Index_reflects_no_deduction_for_sales_charges_account_fees_expenses_or_US_federal_income_taxes Bloomberg Global Aggregate Index (reflects no deduction for sales charges, account fees, expenses or U.S. federal income taxes) index_Bloomberg_ShortTerm_GovernmentCorporate_Index_reflects_no_deduction_for_sales_charges_account_fees_expenses_or_US_federal_income_taxes Bloomberg Short-Term Government/Corporate Index (reflects no deduction for sales charges, account fees, expenses or U.S. federal income taxes) index_Bloomberg_US_Aggregate_Index_reflects_no_deduction_for_sales_charges_account_fees_expenses_or_US_federal_income_taxes Bloomberg U.S. Aggregate Index (reflects no deduction for sales charges, account fees, expenses or U.S. federal income taxes) index_Bloomberg_US_Corporate_High_Yield_2_Issuer_Capped_Index_reflects_no_deduction_for_sales_charges_account_fees_expenses_or_US_federal_income_taxes Bloomberg U.S. Corporate High Yield 2% Issuer Capped Index (reflects no deduction for sales charges, account fees, expenses or U.S. federal income taxes) index_Bloomberg_US_GovernmentMortgage_Backed_Securities_Index_reflects_no_deduction_for_sales_charges_account_fees_expenses_or_US_federal_income_taxes Bloomberg U.S. Government/Mortgage Backed Securities Index (reflects no deduction for sales charges, account fees, expenses or U.S. federal income taxes) index_Bloomberg_US_Mortgage_Backed_Securities_Index_reflects_no_deduction_for_sales_charges_account_fees_expenses_or_US_federal_income_taxes Bloomberg U.S. Mortgage Backed Securities Index (reflects no deduction for sales charges, account fees, expenses or U.S. federal income taxes) index_Consumer_Price_Index Consumer Price Index index_Lipper_Core_Bond_Funds_Average_reflects_no_deduction_for_sales_charges_account_fees_or_US_federal_income_taxes Lipper Core Bond Funds Average (reflects no deduction for sales charges, account fees or U.S. federal income taxes) index_Lipper_GNMA_Funds_Average_reflects_no_deduction_for_sales_charges_account_fees_or_US_federal_income_taxes Lipper GNMA Funds Average (reflects no deduction for sales charges, account fees or U.S. federal income taxes) index_Lipper_General_US_Government_Funds_Average_reflects_no_deduction_for_sales_charges_account_fees_or_US_federal_income_taxes Lipper General U.S. Government Funds Average (reflects no deduction for sales charges, account fees or U.S. federal income taxes) index_Lipper_Global_Income_Funds_Average_reflects_no_deduction_for_sales_charges_account_fees_or_US_federal_income_taxes Lipper Global Income Funds Average (reflects no deduction for sales charges, account fees or U.S. federal income taxes) index_Lipper_Global_MultiCap_Growth_Funds_Index_reflects_no_deduction_for_sales_charges_account_fees_or_US_federal_income_taxes Lipper Global Multi-Cap Growth Funds Index (reflects no deduction for sales charges, account fees or U.S. federal income taxes) index_Lipper_High_Yield_Funds_Average_reflects_no_deduction_for_sales_charges_account_fees_or_US_federal_income_taxes Lipper High Yield Funds Average (reflects no deduction for sales charges, account fees or U.S. federal income taxes) index_Lipper_Intermediate_US_Government_Funds_Average_reflects_no_deduction_for_sales_charges_account_fees_or_US_federal_income_taxes Lipper Intermediate U.S. Government Funds Average (reflects no deduction for sales charges, account fees or U.S. federal income taxes) index_Lipper_MixedAsset_Target_Allocation_Moderate_Funds_Index_reflects_no_deduction_for_sales_charges_account_fees_or_US_federal_income_taxes Lipper Mixed-Asset Target Allocation Moderate Funds Index (reflects no deduction for sales charges, account fees or U.S. federal income taxes) index_Lipper_Money_Market_Funds_Average_reflects_no_deduction_for_sales_charges_account_fees_or_US_federal_income_taxes Lipper Money Market Funds Average (reflects no deduction for sales charges, account fees or U.S. federal income taxes) index_Lipper_UltraShort_Obligation_Funds_Average_reflects_no_deduction_for_sales_charges_account_fees_or_US_federal_income_taxes Lipper Ultra-Short Obligation Funds Average (reflects no deduction for sales charges, account fees or U.S. federal income taxes) index_MSCI_ACWI_ex_US_Index_reflects_no_deduction_for_sales_charges_account_fees_expenses_or_US_federal_income_taxes MSCI ACWI ex U.S. Index (reflects no deduction for sales charges, account fees, expenses or U.S. federal income taxes) index_MSCI_All_Country_World_Index_reflects_no_deduction_for_sales_charges_account_fees_expenses_or_US_federal_income_taxes MSCI All Country World Index (reflects no deduction for sales charges, account fees, expenses or U.S. federal income taxes) index_MSCI_All_Country_World_Small_Cap_Index_reflects_no_deduction_for_sales_charges_account_fees_expenses_or_US_federal_income_taxes MSCI All Country World Small Cap Index (reflects no deduction for sales charges, account fees, expenses or U.S. federal income taxes) index_MSCI_All_Country_World_ex_USA_Index_reflects_no_deduction_for_sales_charges_account_fees_expenses_or_US_federal_income_taxes MSCI All Country World ex USA Index (reflects no deduction for sales charges, account fees, expenses or U.S. federal income taxes) index_SP_500_Index_reflects_no_deduction_for_sales_charges_account_fees_expenses_or_US_federal_income_taxes S&P 500 Index (reflects no deduction for sales charges, account fees, expenses or U.S. federal income taxes) index_SP_500_Managed_Risk_Index_Moderate_reflects_no_deduction_for_sales_charges_account_fees_expenses_or_US_federal_income_taxes S&P 500 Managed Risk Index – Moderate (reflects no deduction for sales charges, account fees, expenses or U.S. federal income taxes) index_SP_500_Managed_Risk_Index_Moderate_Aggressive_reflects_no_deduction_for_sales_charges_account_fees_expenses_or_US_federal_income_taxes S&P 500 Managed Risk Index – Moderate Aggressive (reflects no deduction for sales charges, account fees, expenses or U.S. federal income taxes) index_SP_500_Managed_Risk_Index_Moderate_Conservative_reflects_no_deduction_for_sales_charges_account_fees_expenses_or_US_federal_income_taxes S&P 500 Managed Risk Index – Moderate Conservative (reflects no deduction for sales charges, account fees, expenses or U.S. federal income taxes) index_SP_EPAC_Ex_Korea_LargeMidCap_Managed_Risk_Index_Moderate_Aggressive_reflects_no_deduction_for_sales_charges_account_fees_expenses_or_US_federal_income_taxes S&P EPAC Ex. Korea LargeMidCap Managed Risk Index – Moderate Aggressive (reflects no deduction for sales charges, account fees, expenses or U.S. federal income taxes) index_SP_Global_LargeMidCap_Managed_Risk_Index_Moderate_reflects_no_deduction_for_sales_charges_account_fees_expenses_or_US_federal_income_taxes S&P Global LargeMidCap Managed Risk Index – Moderate (reflects no deduction for sales charges, account fees, expenses or U.S. federal income taxes) index_SP_Target_Date_2010_Index S&P Target Date 2010 Index index_SP_Target_Date_2015_Index S&P Target Date 2015 Index index_SP_Target_Date_2020_Index S&P Target Date 2020 Index index_SP_Target_Date_2025_Index S&P Target Date 2025 Index index_SP_Target_Date_2030_Index S&P Target Date 2030 Index index_SP_Target_Date_2035_Index S&P Target Date 2035 Index Risk/Return: Prospectus: Document Type Document Period End Date Entity Registrant Name Entity Central Index Key Entity Inv Company Type Amendment Flag Document Creation Date Document Effective Date Trading Symbol Prospectus Date Global Growth Fund Class 1 Shares Prospectus Class 1 Shares Prospectus [Member] Class 1 (Global Growth Fund) Class 1 Management fee Other expenses Total annual fund operating expenses Fee waiver Total annual fund operating expenses after fee waiver Expense Example, with Redemption, 1 Year 1 year Expense Example, with Redemption, 3 Years 3 years Expense Example, with Redemption, 5 Years 5 years Expense Example, with Redemption, 10 Years 10 years Annual Return 1990 Annual Return 1991 Annual Return 1992 Annual Return 1993 Annual Return 1994 Annual Return 1995 Annual Return 1996 Annual Return 1997 Annual Return 1998 Annual Return 1999 Annual Return 2000 Annual Return 2001 Annual Return 2002 Annual Return 2003 Annual Return 2004 Annual Return 2005 Annual Return 2006 Annual Return 2007 Annual Return 2008 Annual Return 2009 Annual Return 2010 Annual Return 2011 Annual Return 2012 Annual Return 2013 Annual Return 2014 Annual Return 2015 Annual Return 2016 Annual Return 2017 Annual Return 2018 Annual Return 2019 Annual Return 2020 Annual Return 2021 Annual Return 2022 Annual Return 2023 Annual Return 2024 Annual Return 2025 Risk Not Insured [Member] Risk Lose Money [Member] Market Conditions [Member] Issuer Risks [Member] Investing In Growthoriented Stocks [Member] Investing Outside The United States [Member] Investing In Emerging Markets [Member] Management [Member] All Risks [Member] Global Small Capitalization Fund Class 1 (Global Small Capitalization Fund) Class 1 Investing In Small Companies [Member] Liquidity Risk [Member] Growth Fund Class 1 (Growth Fund) Class 1 International Fund Class 1 (International Fund) Class 1 New World Fund Class 1 (New World Fund) Class 1 Investing In Developing Countries [Member] Investing In Debt Instruments [Member] Investing In Lower Rated Debt Instruments [Member] Capital World Growth and Income Fund Class 1 (Capital World Growth and Income Fund) Class 1 Investing In Incomeoriented Stocks [Member] Growth-Income Fund Class 1 (Growth-Income Fund) Class 1 International Growth and Income Fund Class 1 (International Growth and Income Fund) Class 1 Washington Mutual Investors Fund Class 1 (Washington Mutual Investors Fund) Class 1 Capital Income Builder Class 1 (Capital Income Builder) Class 1 Asset Allocation Fund Class 1 (Asset Allocation Fund) Class 1 Investing In Securities Backed By The USGovernment [Member] Asset Allocation [Member] American Funds Global Balanced Fund Class 1 (American Funds Global Balanced Fund) Class 1 Investing In Mortgagerelated And Other Assetbacked Securities [Member] American Funds Mortgage Fund Class 1 (American Funds Mortgage Fund) Class 1 Investing In Future Delivery Contracts [Member] Investing In Inflationlinked Bonds [Member] Investing In Derivatives [Member] American High-Income Trust Class 1 (American High-Income Trust) Class 1 Capital World Bond Fund Class 1 (Capital World Bond Fund) Class 1 Currency [Member] The Bond Fund of America Class 1 (The Bond Fund of America) Class 1 U.S. Government Securities Fund Class 1 (U.S. Government Securities Fund) Class 1 Ultra-Short Bond Fund Class 1 (Ultra-Short Bond Fund) Class 1 Interest Rate Risk [Member] Investing In Repurchase Agreements [Member] Credit And Liquidity Support [Member] Class 1A Shares Prospectus Class 1A Shares Prospectus [Member] Class 1A (Global Growth Fund) Class 1A