v3.25.4
SCB Classand Advisor Class [Member] Annual Fund Operating Expenses - Institutional - International Strategic Equities Portfolio
Sep. 30, 2025
SCB Class  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.66%
Distribution and Service (12b-1) Fees 0.00%
Component1 Other Expenses 0.24%
Component2 Other Expenses 0.00% [1]
Component3 Other Expenses 0.03%
Other Expenses (as a percentage of Assets): 0.27%
Expenses (as a percentage of Assets) 0.93%
Advisor Class  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.66%
Distribution and Service (12b-1) Fees 0.00%
Component1 Other Expenses 0.00%
Component2 Other Expenses 0.00% [1]
Component3 Other Expenses 0.04%
Other Expenses (as a percentage of Assets): 0.04%
Expenses (as a percentage of Assets) 0.70%
[1]
Amount is less than 0.01%.