v3.26.1
Shareholder Fees - World Mutual Funds Prospectus
Apr. 01, 2026
USD ($)
Emerging Markets Fund | Emerging Markets Fund, Investor Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 25
Emerging Markets Fund | Emerging Markets Fund, I Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
Emerging Markets Fund | Emerging Markets Fund, Y Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
Emerging Markets Fund | Emerging Markets Fund, A Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 5.75%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00% [1]
Maximum Account Fee $ 0
Emerging Markets Fund | Emerging Markets Fund, C Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 1.00%
Maximum Account Fee $ 0
Emerging Markets Fund | Emerging Markets Fund, R Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
Emerging Markets Fund | Emerging Markets Fund, R5 Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
Emerging Markets Fund | Emerging Markets Fund, R6 Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
Emerging Markets Fund | Emerging Markets Fund, G Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
Focused Global Growth Fund | FOCUSED GLOBAL GROWTH FUND, INVESTOR CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 25
Focused Global Growth Fund | FOCUSED GLOBAL GROWTH FUND, I CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
Focused Global Growth Fund | FOCUSED GLOBAL GROWTH FUND, Y CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
Focused Global Growth Fund | FOCUSED GLOBAL GROWTH FUND, A CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 5.75%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00% [2]
Maximum Account Fee $ 0
Focused Global Growth Fund | FOCUSED GLOBAL GROWTH FUND, C CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 1.00%
Maximum Account Fee $ 0
Focused Global Growth Fund | FOCUSED GLOBAL GROWTH FUND, R CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
Focused Global Growth Fund | FOCUSED GLOBAL GROWTH FUND, R5 CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
Focused Global Growth Fund | FOCUSED GLOBAL GROWTH FUND, R6 CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
Focused International Growth Fund | Focused International Growth Fund, Investor Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 25
Focused International Growth Fund | Focused International Growth Fund, I Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
Focused International Growth Fund | Focused International Growth Fund, A Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 5.75%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00% [3]
Maximum Account Fee $ 0
Focused International Growth Fund | Focused International Growth Fund, C Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 1.00%
Maximum Account Fee $ 0
Focused International Growth Fund | Focused International Growth Fund, R Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
Focused International Growth Fund | Focused International Growth Fund, R6 Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
Focused International Growth Fund | Focused International Growth Fund, G Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
Global Small Cap Fund | Global Small Cap Fund, Investor Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 25
Global Small Cap Fund | Global Small Cap Fund, I Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
Global Small Cap Fund | Global Small Cap Fund, A Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 5.75%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00% [4]
Maximum Account Fee $ 0
Global Small Cap Fund | Global Small Cap Fund, C Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 1.00%
Maximum Account Fee $ 0
Global Small Cap Fund | Global Small Cap Fund, R Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
Global Small Cap Fund | Global Small Cap Fund, R6 Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
International Growth Fund | International Growth Fund, Investor Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 25
International Growth Fund | International Growth Fund, I Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
International Growth Fund | International Growth Fund, Y Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
International Growth Fund | International Growth Fund, A Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 5.75%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00% [5]
Maximum Account Fee $ 0
International Growth Fund | International Growth Fund, C Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 1.00%
Maximum Account Fee $ 0
International Growth Fund | International Growth Fund, R Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
International Growth Fund | International Growth Fund, R5 Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
International Growth Fund | International Growth Fund, R6 Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
International Growth Fund | International Growth Fund, G Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
International Opportunities Fund | INTERNATIONAL OPPORTUNITIES FUND, INVESTOR CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 25
International Opportunities Fund | INTERNATIONAL OPPORTUNITIES FUND, I CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
International Opportunities Fund | INTERNATIONAL OPPORTUNITIES FUND, A CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 5.75%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00% [6]
Maximum Account Fee $ 0
International Opportunities Fund | INTERNATIONAL OPPORTUNITIES FUND, C CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 1.00%
Maximum Account Fee $ 0
International Opportunities Fund | INTERNATIONAL OPPORTUNITIES FUND, R CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
International Value Fund | INTERNATIONAL VALUE FUND, INVESTOR CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 25
International Value Fund | INTERNATIONAL VALUE FUND, I CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
International Value Fund | INTERNATIONAL VALUE FUND, A CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 5.75%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00% [7]
Maximum Account Fee $ 0
International Value Fund | INTERNATIONAL VALUE FUND, C CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 1.00%
Maximum Account Fee $ 0
International Value Fund | INTERNATIONAL VALUE FUND, R CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
International Value Fund | INTERNATIONAL VALUE FUND, R6 CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
International Value Fund | INTERNATIONAL VALUE FUND, G CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
Non-U.S. Intrinsic Value Fund | NON-U.S. INTRINSIC VALUE FUND, INVESTOR CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 25
Non-U.S. Intrinsic Value Fund | NON-U.S. INTRINSIC VALUE FUND, I CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
Non-U.S. Intrinsic Value Fund | NON-U.S. INTRINSIC VALUE FUND, A CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 5.75%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00% [8]
Maximum Account Fee $ 0
Non-U.S. Intrinsic Value Fund | NON-U.S. INTRINSIC VALUE FUND, R CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
Non-U.S. Intrinsic Value Fund | NON-U.S. INTRINSIC VALUE FUND, R6 CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
Non-U.S. Intrinsic Value Fund | NON-U.S. INTRINSIC VALUE FUND, G CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
[1] 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.
[2] 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.
[3] 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.
[4] 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.
[5] 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.
[6] 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.
[7] 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.
[8] 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.