Shareholder Report, Holdings (Details) - C000030210 [Member]

May 31, 2026

^[1]

United States Currency [Member]

Holdings [Line Items]

Percent of Net Asset Value

47.00%

Chile Currency [Member]

Holdings [Line Items]

Percent of Net Asset Value

0.60%

Australia Currency [Member]

Holdings [Line Items]

Percent of Net Asset Value

0.80%

Nigeria Currency [Member]

Holdings [Line Items]

Percent of Net Asset Value

0.80%

Mexico Currency [Member]

Holdings [Line Items]

Percent of Net Asset Value

1.00%

Egypt Currency [Member]

Holdings [Line Items]

Percent of Net Asset Value

1.00%

Canada Currency [Member]

Holdings [Line Items]

Percent of Net Asset Value

5.00%

Japan Currency [Member]

Holdings [Line Items]

Percent of Net Asset Value

15.10%

Euro Currency [Member]

Holdings [Line Items]

Percent of Net Asset Value

23.00%

United Kingdom Currency [Member]

Holdings [Line Items]

Percent of Net Asset Value

5.00%

Holdings [Line Items]

Percent of Net Asset Value

6.50%

Holdings [Line Items]

Percent of Net Asset Value

6.30%

Holdings [Line Items]

Percent of Net Asset Value

4.80%

Holdings [Line Items]

Percent of Net Asset Value

5.20%

Holdings [Line Items]

Percent of Net Asset Value

5.60%

Holdings [Line Items]

Percent of Net Asset Value

5.70%

Holdings [Line Items]

Percent of Net Asset Value

5.40%

Holdings [Line Items]

Percent of Net Asset Value

6.60%

Holdings [Line Items]

Percent of Net Asset Value

6.30%

Holdings [Line Items]

Percent of Net Asset Value

6.60%

[1]

Reflects the pro rata portfolio composition of underlying affiliated investment companies (other than an affiliated money market mutual fund) in which the Fund invested greater than 10% of its net assets as of the date specified above. Accordingly, the percentages of net assets shown in the table will differ from those presented on the Portfolio of Investments.