Expense Example (Lifecycle 2050 Trust, USD $)	12 Months Ended
May 01, 2011
Series I, Lifecycle 2050 Trust
Expense Example:
Year 1	$ 100
Year 3	312
Year 5	542
Year 10	1,201
Series II, Lifecycle 2050 Trust
Expense Example:
Year 1	120
Year 3	375
Year 5	649
Year 10	1,432
Series NAV, Lifecycle 2050 Trust
Expense Example:
Year 1	95
Year 3	296
Year 5	515
Year 10	$ 1,143

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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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