v3.26.1
Fees and Expenses - World Mutual Funds Prospectus - INTERNATIONAL GROWTH FUND
Apr. 01, 2026
Prospectus [Line Items]  
Shareholder Fees Caption [Optional Text] Shareholder Fees (fees paid directly from your investment)
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Expense Example [Heading] The following replaces the Example section on page 2 and 3 of the prospectus:
Expense Example Narrative [Text Block] The example below is intended to help you compare the costs of investing in the fund with the costs of investing in other mutual funds.
Expense Example by, Year, Caption [Text] The example assumes that you invest $10,000 in the fund for the time periods indicated and then redeem all of your shares at the end of those periods and that you earn a 5% return each year. The example also assumes that the fund’s operating expenses remain the same, except that it reflects the rate and duration of any fee waivers noted in the table above. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
International Growth Fund, A Class  
Prospectus [Line Items]  
Expenses Deferred Charges [Text Block] Purchases of $1 million or more may be subject to a contingent deferred sales charge of 1.00% if the shares are redeemed within one year of the date of the purchase.