Class Z [Member] Expense Example - Class Z Shares - International Strategic Equities Portfolio - Class Z	Sep. 30, 2025 USD ($)
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	$ 73
Expense Example, with Redemption, 3 Years	227
Expense Example, with Redemption, 5 Years	395
Expense Example, with Redemption, 10 Years	$ 883

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