Expense Example (Total Stock Market Index Trust, USD $)	12 Months Ended
May 01, 2011
Series I, Total Stock Market Index Trust
Expense Example:
Year 1	$ 58
Year 3	183
Year 5	318
Year 10	714
Series II, Total Stock Market Index Trust
Expense Example:
Year 1	79
Year 3	246
Year 5	428
Year 10	954
Series NAV, Total Stock Market Index Trust
Expense Example:
Year 1	53
Year 3	167
Year 5	291
Year 10	$ 653

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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

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- Definition

+ References

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

+ Details

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- Definition

+ References

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

+ Details

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- Definition

+ References

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

+ Details

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