v3.26.1
Expense Example - World Mutual Funds Prospectus - INTERNATIONAL GROWTH FUND
Apr. 01, 2026
USD ($)
INTERNATIONAL GROWTH FUND INVESTOR CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 119
Expense Example, with Redemption, 3 Years 383
Expense Example, with Redemption, 5 Years 666
Expense Example, with Redemption, 10 Years 1,472
International Growth Fund, I Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 99
Expense Example, with Redemption, 3 Years 320
Expense Example, with Redemption, 5 Years 559
Expense Example, with Redemption, 10 Years 1,243
International Growth Fund, Y Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 84
Expense Example, with Redemption, 3 Years 273
Expense Example, with Redemption, 5 Years 478
Expense Example, with Redemption, 10 Years 1,068
International Growth Fund, A Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 712
Expense Example, with Redemption, 3 Years 1,009
Expense Example, with Redemption, 5 Years 1,328
Expense Example, with Redemption, 10 Years 2,226
International Growth Fund, C Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 221
Expense Example, with Redemption, 3 Years 691
Expense Example, with Redemption, 5 Years 1,186
Expense Example, with Redemption, 10 Years 2,358
International Growth Fund, R Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 170
Expense Example, with Redemption, 3 Years 538
Expense Example, with Redemption, 5 Years 930
Expense Example, with Redemption, 10 Years 2,024
International Growth Fund, R5 Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 99
Expense Example, with Redemption, 3 Years 320
Expense Example, with Redemption, 5 Years 559
Expense Example, with Redemption, 10 Years 1,243
International Growth Fund, R6 Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 84
Expense Example, with Redemption, 3 Years 273
Expense Example, with Redemption, 5 Years 478
Expense Example, with Redemption, 10 Years 1,068
International Growth Fund, G Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 2
Expense Example, with Redemption, 3 Years 6
Expense Example, with Redemption, 5 Years 11
Expense Example, with Redemption, 10 Years $ 26