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Global Equity Fund Average Annual Total Returns - Class NAV [Member]
12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2023
Dec. 31, 2023
Dec. 31, 2023
MSCI World Index (reflects no deduction for fees, expenses, or taxes, except foreign withholding taxes on dividends)[Member]      
Prospectus [Line Items]      
Average Annual Return, Percent 23.79% 12.80% 8.60%
MSCI World Value Index (reflects no deduction for fees, expenses, or taxes, except foreign withholding taxes on dividends)[Member]      
Prospectus [Line Items]      
Average Annual Return, Percent 11.51% 8.87% 5.89%
Class NAV      
Prospectus [Line Items]      
Average Annual Return, Percent 19.79% 11.84% 7.43%
Class NAV | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 18.66% 9.61% 5.36%
Class NAV | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 12.03% 8.82% 5.19%