International Growth Portfolio Expense Example - International Growth Portfolio - International Growth Portfolio	Dec. 31, 2025 USD ($)
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	$ 62
Expense Example, with Redemption, 3 Years	198
Expense Example, with Redemption, 5 Years	345
Expense Example, with Redemption, 10 Years	$ 773

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