Expense Example (Large Cap Value Trust, USD $)	12 Months Ended
May 01, 2011
Series I, Large Cap Value Trust
Expense Example:
Year 1	$ 96
Year 3	300
Year 5	520
Year 10	1,155
Series II, Large Cap Value Trust
Expense Example:
Year 1	116
Year 3	362
Year 5	628
Year 10	1,386
Series NAV, Large Cap Value Trust
Expense Example:
Year 1	91
Year 3	284
Year 5	493
Year 10	$ 1,096

Name:	rr_ExpenseExampleAbstract
Namespace Prefix:	rr
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.

+ References

Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 4
-Subsection instructions

+ Details

Name:	rr_ExpenseExampleYear01
Namespace Prefix:	rr
Data Type:	rr:NonNegativeMonetaryType
Balance Type:	na
Period Type:	duration

- Definition

+ References

Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 1
-Subparagraph 2
-Subsection example

+ Details

Name:	rr_ExpenseExampleYear03
Namespace Prefix:	rr
Data Type:	rr:NonNegativeMonetaryType
Balance Type:	na
Period Type:	duration

- Definition

+ References

Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 1
-Subparagraph 2
-Subsection example

+ Details

Name:	rr_ExpenseExampleYear05
Namespace Prefix:	rr
Data Type:	rr:NonNegativeMonetaryType
Balance Type:	na
Period Type:	duration

- Definition

+ References

Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 1
-Subparagraph 2
-Subsection example

+ Details

Name:	rr_ExpenseExampleYear10
Namespace Prefix:	rr
Data Type:	rr:NonNegativeMonetaryType
Balance Type:	na
Period Type:	duration