FINANCIAL HIGHLIGHTS (Parenthetical)	12 Months Ended
	Dec. 31, 2022
Series A [Member]
Increase in total return due to receipt of settlement proceeds from foreign exchange trading class action lawsuit	0.33%
Series B [Member]
Increase in total return due to receipt of settlement proceeds from foreign exchange trading class action lawsuit	0.29%
Series D [Member]
Increase in total return due to receipt of settlement proceeds from foreign exchange trading class action lawsuit	0.43%
Series W [Member]
Increase in total return due to receipt of settlement proceeds from foreign exchange trading class action lawsuit	0.33%