Shareholder Report, Average Annual Return (Details)
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8 Months Ended |
12 Months Ended |
60 Months Ended |
68 Months Ended |
120 Months Ended |
May 31, 2026 |
May 31, 2026 |
May 31, 2026 |
May 31, 2026 |
May 31, 2026 |
| C000014639 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Retirement Class Shares at NAV
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| Average Annual Return, Percent |
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12.32%
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4.25%
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6.15%
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| C000047972 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Class R6 Shares at NAV
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| Average Annual Return, Percent |
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12.55%
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4.51%
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6.41%
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| C000079559 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Premier Class Shares at NAV
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| Average Annual Return, Percent |
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12.29%
|
4.33%
|
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6.25%
|
| C000162552 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Class I Shares at NAV
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| Average Annual Return, Percent |
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12.46%
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4.44%
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6.38%
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| C000162553 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Class I Shares at NAV
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| Average Annual Return, Percent |
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12.95%
|
4.53%
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|
6.70%
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| C000079560 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Premier Class Shares at NAV
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| Average Annual Return, Percent |
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12.87%
|
4.46%
|
|
6.60%
|
| C000047973 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Class R6 Shares at NAV
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| Average Annual Return, Percent |
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12.99%
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4.62%
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|
6.76%
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| C000014640 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Retirement Class Shares at NAV
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| Average Annual Return, Percent |
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12.75%
|
4.36%
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|
6.50%
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| C000014641 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Retirement Class Shares at NAV
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| Average Annual Return, Percent |
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13.77%
|
4.70%
|
|
7.01%
|
| C000047974 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Class R6 Shares at NAV
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| Average Annual Return, Percent |
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14.00%
|
4.96%
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|
7.27%
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| C000079561 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Premier Class Shares at NAV
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| Average Annual Return, Percent |
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13.96%
|
4.81%
|
|
7.12%
|
| C000162554 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Class I Shares at NAV
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| Average Annual Return, Percent |
|
13.98%
|
4.89%
|
|
7.21%
|
| C000162555 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Class I Shares at NAV
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| Average Annual Return, Percent |
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15.17%
|
5.34%
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|
7.91%
|
| C000079562 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Premier Class Shares at NAV
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| Average Annual Return, Percent |
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14.94%
|
5.23%
|
|
7.80%
|
| C000047975 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Class R6 Shares at NAV
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| Average Annual Return, Percent |
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15.15%
|
5.38%
|
|
7.96%
|
| C000014642 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Retirement Class Shares at NAV
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| Average Annual Return, Percent |
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14.90%
|
5.12%
|
|
7.70%
|
| C000014643 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Retirement Class Shares at NAV
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| Average Annual Return, Percent |
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16.58%
|
5.81%
|
|
8.51%
|
| C000047976 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Class R6 Shares at NAV
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| Average Annual Return, Percent |
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16.82%
|
6.08%
|
|
8.78%
|
| C000079563 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Premier Class Shares at NAV
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| Average Annual Return, Percent |
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16.64%
|
5.90%
|
|
8.61%
|
| C000162556 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Class I Shares at NAV
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| Average Annual Return, Percent |
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16.87%
|
6.03%
|
|
8.73%
|
| C000162557 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Class I Shares at NAV
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| Average Annual Return, Percent |
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18.72%
|
6.79%
|
|
9.57%
|
| C000079564 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Premier Class Shares at NAV
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| Average Annual Return, Percent |
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18.45%
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6.69%
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9.48%
|
| C000047977 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Class R6 Shares at NAV
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| Average Annual Return, Percent |
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18.67%
|
6.86%
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9.64%
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| C000014644 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Retirement Class Shares at NAV
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| Average Annual Return, Percent |
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18.46%
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6.60%
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9.37%
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| C000014647 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Retirement Class Shares at NAV
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| Average Annual Return, Percent |
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21.00%
|
7.63%
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|
10.35%
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| C000047978 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Class R6 Shares at NAV
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| Average Annual Return, Percent |
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21.29%
|
7.91%
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10.63%
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| C000079566 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Premier Class Shares at NAV
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| Average Annual Return, Percent |
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21.19%
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7.74%
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10.45%
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| C000162559 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Class I Shares at NAV
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| Average Annual Return, Percent |
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21.27%
|
7.84%
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10.57%
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| C000033271 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Class A Shares at maximum sales charge (Offering Price)
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| Average Annual Return, Percent |
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10.99%
|
4.65%
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7.62%
|
| C000033273 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Class R6 Shares at NAV
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| Average Annual Return, Percent |
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18.07%
|
6.17%
|
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8.53%
|
| C000033272 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Retirement Class Shares at NAV
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| Average Annual Return, Percent |
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17.80%
|
5.90%
|
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8.25%
|
| C000054992 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Retirement Class Shares at NAV
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| Average Annual Return, Percent |
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22.89%
|
8.29%
|
|
11.02%
|
| C000054991 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Class R6 Shares at NAV
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| Average Annual Return, Percent |
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23.23%
|
8.56%
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|
11.29%
|
| C000079575 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Premier Class Shares at NAV
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| Average Annual Return, Percent |
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23.11%
|
8.41%
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|
11.12%
|
| C000162574 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Class I Shares at NAV
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| Average Annual Return, Percent |
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23.27%
|
8.51%
|
|
11.26%
|
| C000162575 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Class I Shares at NAV
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| Average Annual Return, Percent |
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24.34%
|
8.86%
|
|
11.52%
|
| C000079576 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Premier Class Shares at NAV
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| Average Annual Return, Percent |
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24.15%
|
8.74%
|
|
11.38%
|
| C000054993 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Class R6 Shares at NAV
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| Average Annual Return, Percent |
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24.29%
|
8.90%
|
|
11.55%
|
| C000054994 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Retirement Class Shares at NAV
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| Average Annual Return, Percent |
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24.05%
|
8.64%
|
|
11.28%
|
| C000054997 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Retirement Class Shares at NAV
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| Average Annual Return, Percent |
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12.76%
|
4.33%
|
|
6.10%
|
| C000054996 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Class R6 Shares at NAV
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| Average Annual Return, Percent |
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13.10%
|
4.60%
|
|
6.37%
|
| C000079577 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Premier Class Shares at NAV
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| Average Annual Return, Percent |
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12.93%
|
4.44%
|
|
6.20%
|
| C000162576 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Class I Shares at NAV
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| Average Annual Return, Percent |
|
13.02%
|
4.52%
|
|
6.29%
|
| C000054995 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Class A Shares at maximum sales charge (Offering Price)
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| Average Annual Return, Percent |
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6.37%
|
3.12%
|
|
5.47%
|
| C000162577 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Class I Shares at NAV
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| Average Annual Return, Percent |
|
13.36%
|
4.68%
|
|
6.43%
|
| C000079518 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Premier Class Shares at NAV
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| Average Annual Return, Percent |
|
13.16%
|
4.58%
|
|
6.32%
|
| C000079517 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Class R6 Shares at NAV
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| Average Annual Return, Percent |
|
13.34%
|
4.74%
|
|
6.49%
|
| C000079519 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Retirement Class Shares at NAV
|
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| Average Annual Return, Percent |
|
13.10%
|
4.48%
|
|
6.22%
|
| C000079522 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
|
Retirement Class Shares at NAV
|
|
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|
| Average Annual Return, Percent |
|
14.54%
|
4.92%
|
|
6.38%
|
| C000079520 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
|
Class R6 Shares at NAV
|
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|
| Average Annual Return, Percent |
|
14.79%
|
5.18%
|
|
6.65%
|
| C000079521 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Premier Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
14.63%
|
5.02%
|
|
6.49%
|
| C000162578 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Class I Shares at NAV
|
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|
|
| Average Annual Return, Percent |
|
14.78%
|
5.09%
|
|
6.57%
|
| C000162580 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Class I Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
14.64%
|
5.16%
|
|
6.99%
|
| C000079528 [Member] |
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| Average Annual Return [Line Items] |
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|
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| Line Graph and Table Measure Name |
|
Premier Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
14.54%
|
5.06%
|
|
6.89%
|
| C000079527 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
|
Class R6 Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
14.69%
|
5.23%
|
|
7.05%
|
| C000079529 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
|
Retirement Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
14.41%
|
4.96%
|
|
6.78%
|
| C000079532 [Member] |
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|
| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
|
Retirement Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
15.68%
|
5.43%
|
|
7.37%
|
| C000079530 [Member] |
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|
| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
|
Class R6 Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
15.95%
|
5.69%
|
|
7.65%
|
| C000079531 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
|
Premier Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
15.83%
|
5.54%
|
|
7.49%
|
| C000162581 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Class I Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
15.94%
|
5.61%
|
|
7.56%
|
| C000162582 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
|
Class I Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
17.24%
|
6.15%
|
|
8.32%
|
| C000079534 [Member] |
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|
| Average Annual Return [Line Items] |
|
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|
| Line Graph and Table Measure Name |
|
Premier Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
17.04%
|
6.07%
|
|
8.24%
|
| C000079533 [Member] |
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| Average Annual Return [Line Items] |
|
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| Line Graph and Table Measure Name |
|
Class R6 Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
17.22%
|
6.23%
|
|
8.40%
|
| C000079535 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Retirement Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
16.96%
|
5.97%
|
|
8.12%
|
| C000079538 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Retirement Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
18.95%
|
6.76%
|
|
9.01%
|
| C000079536 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class R6 Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
19.24%
|
7.03%
|
|
9.28%
|
| C000079537 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Premier Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
19.07%
|
6.87%
|
|
9.12%
|
| C000162583 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class I Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
19.21%
|
6.96%
|
|
9.20%
|
| C000162584 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class I Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
21.35%
|
7.88%
|
|
10.16%
|
| C000079540 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Premier Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
21.14%
|
7.78%
|
|
10.06%
|
| C000079539 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class R6 Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
21.36%
|
7.96%
|
|
10.23%
|
| C000079541 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Retirement Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
21.04%
|
7.68%
|
|
9.95%
|
| C000079544 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Retirement Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
24.09%
|
8.92%
|
|
11.05%
|
| C000079542 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class R6 Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
24.41%
|
9.19%
|
|
11.33%
|
| C000079543 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Premier Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
24.23%
|
9.02%
|
|
11.16%
|
| C000162585 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class I Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
24.35%
|
9.12%
|
|
11.25%
|
| C000162586 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class I Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
26.57%
|
9.92%
|
|
11.99%
|
| C000079546 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Premier Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
26.42%
|
9.84%
|
|
11.91%
|
| C000079545 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class R6 Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
26.63%
|
10.00%
|
|
12.07%
|
| C000079547 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Retirement Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
26.30%
|
9.72%
|
|
11.80%
|
| C000079550 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Retirement Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
27.46%
|
10.10%
|
|
12.08%
|
| C000079548 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class R6 Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
27.78%
|
10.38%
|
|
12.36%
|
| C000079549 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Premier Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
27.57%
|
10.21%
|
|
12.19%
|
| C000162587 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class I Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
27.72%
|
10.29%
|
|
12.28%
|
| C000162590 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class I Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
28.12%
|
10.44%
|
|
12.43%
|
| C000099415 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Premier Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
27.91%
|
10.36%
|
|
12.33%
|
| C000099414 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class R6 Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
28.13%
|
10.51%
|
|
12.50%
|
| C000099413 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Retirement Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
27.83%
|
10.24%
|
|
12.22%
|
| C000099416 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Retirement Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
24.32%
|
8.75%
|
|
11.39%
|
| C000099417 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class R6 Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
24.67%
|
9.02%
|
|
11.67%
|
| C000099418 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Premier Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
24.41%
|
8.86%
|
|
11.50%
|
| C000162591 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class I Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
24.62%
|
8.98%
|
|
11.63%
|
| C000107519 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class A Shares at maximum sales charge (Offering Price)
|
|
|
|
| Average Annual Return, Percent |
|
18.82%
|
7.88%
|
|
11.27%
|
| C000162593 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class I Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
26.50%
|
9.41%
|
|
12.20%
|
| C000107518 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Premier Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
26.30%
|
9.33%
|
|
12.10%
|
| C000107517 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class R6 Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
26.47%
|
9.49%
|
|
12.27%
|
| C000107520 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Retirement Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
26.17%
|
9.22%
|
|
12.00%
|
| C000107524 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Retirement Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
13.23%
|
4.50%
|
|
6.22%
|
| C000107521 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class R6 Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
13.50%
|
4.74%
|
|
6.48%
|
| C000107522 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Premier Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
13.26%
|
4.58%
|
|
6.31%
|
| C000162594 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class I Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
13.50%
|
4.67%
|
|
6.40%
|
| C000107523 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class A Shares at maximum sales charge (Offering Price)
|
|
|
|
| Average Annual Return, Percent |
|
6.68%
|
3.23%
|
|
5.56%
|
| C000107526 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class A Shares at maximum sales charge (Offering Price)
|
|
|
|
| Average Annual Return, Percent |
|
14.85%
|
6.24%
|
|
9.40%
|
| C000162595 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class I Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
22.09%
|
7.72%
|
|
10.28%
|
| C000107525 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Premier Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
22.03%
|
7.67%
|
|
10.21%
|
| C000107528 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class R6 Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
22.18%
|
7.80%
|
|
10.36%
|
| C000107527 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Retirement Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
21.89%
|
7.54%
|
|
10.08%
|
| C000107532 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Retirement Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
8.86%
|
3.12%
|
|
4.23%
|
| C000107529 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class R6 Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
9.13%
|
3.36%
|
|
4.49%
|
| C000107530 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Premier Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
8.93%
|
3.23%
|
|
4.33%
|
| C000162596 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class I Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
9.01%
|
3.29%
|
|
4.44%
|
| C000107531 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class A Shares at maximum sales charge (Offering Price)
|
|
|
|
| Average Annual Return, Percent |
|
2.53%
|
1.87%
|
|
3.58%
|
| C000107535 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class A Shares at maximum sales charge (Offering Price)
|
|
|
|
| Average Annual Return, Percent |
|
10.86%
|
4.53%
|
|
7.50%
|
| C000162597 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class I Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
17.92%
|
5.99%
|
|
8.36%
|
| C000107534 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Premier Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
17.82%
|
5.93%
|
|
8.28%
|
| C000107533 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class R6 Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
18.00%
|
6.08%
|
|
8.44%
|
| C000107536 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Retirement Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
17.67%
|
5.81%
|
|
8.17%
|
| C000145614 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Retirement Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
24.61%
|
8.86%
|
|
11.50%
|
| C000145612 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class R6 Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
24.84%
|
9.13%
|
|
11.78%
|
| C000145613 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Premier Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
24.75%
|
8.96%
|
|
11.62%
|
| C000162601 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class I Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
24.87%
|
9.07%
|
|
11.73%
|
| C000162602 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class I Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
28.45%
|
10.58%
|
|
12.57%
|
| C000145617 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Premier Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
28.28%
|
10.50%
|
|
12.48%
|
| C000145616 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class R6 Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
28.51%
|
10.66%
|
|
12.64%
|
| C000145615 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Retirement Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
28.18%
|
10.39%
|
|
12.36%
|
| C000221705 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Retirement Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
24.84%
|
9.07%
|
12.68%
|
|
| C000221704 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class R6 Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
25.14%
|
9.26%
|
12.91%
|
|
| C000221702 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Premier Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
25.01%
|
9.07%
|
12.70%
|
|
| C000221703 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class I Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
25.04%
|
9.14%
|
12.77%
|
|
| C000221708 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class I Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
28.72%
|
10.77%
|
14.08%
|
|
| C000221706 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Premier Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
28.60%
|
10.66%
|
13.98%
|
|
| C000221709 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class R6 Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
28.82%
|
10.84%
|
14.14%
|
|
| C000221707 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Retirement Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
|
28.46%
|
10.50%
|
13.81%
|
|
| C000263980 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Retirement Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
12.20%
|
|
|
|
|
| C000263978 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class R6 Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
12.37%
|
|
|
|
|
| C000263979 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Premier Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
12.23%
|
|
|
|
|
| C000263981 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class I Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
12.23%
|
|
|
|
|
| C000263985 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class I Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
15.11%
|
|
|
|
|
| C000263983 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Premier Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
15.11%
|
|
|
|
|
| C000263982 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class R6 Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
15.15%
|
|
|
|
|
| C000263984 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Retirement Class Shares at NAV
|
|
|
|
| Average Annual Return, Percent |
14.98%
|
|
|
|
|
| Without Sales Load [Member] | C000033271 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class A Shares at NAV (excluding maximum sales charge)
|
|
|
|
| Average Annual Return, Percent |
|
17.77%
|
5.90%
|
|
8.25%
|
| Without Sales Load [Member] | C000054995 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class A Shares at NAV (excluding maximum sales charge)
|
|
|
|
| Average Annual Return, Percent |
|
12.84%
|
4.34%
|
|
6.10%
|
| Without Sales Load [Member] | C000107519 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class A Shares at NAV (excluding maximum sales charge)
|
|
|
|
| Average Annual Return, Percent |
|
26.07%
|
9.16%
|
|
11.93%
|
| Without Sales Load [Member] | C000107523 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class A Shares at NAV (excluding maximum sales charge)
|
|
|
|
| Average Annual Return, Percent |
|
13.19%
|
4.46%
|
|
6.19%
|
| Without Sales Load [Member] | C000107526 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class A Shares at NAV (excluding maximum sales charge)
|
|
|
|
| Average Annual Return, Percent |
|
21.85%
|
7.51%
|
|
10.05%
|
| Without Sales Load [Member] | C000107531 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class A Shares at NAV (excluding maximum sales charge)
|
|
|
|
| Average Annual Return, Percent |
|
8.81%
|
3.08%
|
|
4.20%
|
| Without Sales Load [Member] | C000107535 [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Class A Shares at NAV (excluding maximum sales charge)
|
|
|
|
| Average Annual Return, Percent |
|
17.62%
|
5.78%
|
|
8.14%
|
| Russell 3000 Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Russell 3000® Index
|
|
|
|
| Average Annual Return, Percent |
13.88%
|
29.45%
|
12.92%
|
16.41%
|
15.12%
|
| S And P Target Date 2010 Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
S&P Target Date 2010 Index
|
|
|
|
| Average Annual Return, Percent |
|
12.87%
|
4.81%
|
|
6.04%
|
| Lifecycle 2010 Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifecycle 2010 Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
13.34%
|
4.78%
|
|
6.57%
|
| Bloomberg U S Aggregate Bond Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Bloomberg U.S. Aggregate Bond Index
|
|
|
|
| Average Annual Return, Percent |
1.48%
|
5.13%
|
0.17%
|
(0.14%)
|
1.70%
|
| Lifecycle 2015 Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifecycle 2015 Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
14.66%
|
5.25%
|
|
7.13%
|
| S and P Target Date 2015 Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
S&P Target Date 2015 Index
|
|
|
|
| Average Annual Return, Percent |
|
13.81%
|
5.10%
|
|
6.55%
|
| S And P Target Date 2020 Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
S&P Target Date 2020 Index
|
|
|
|
| Average Annual Return, Percent |
|
14.70%
|
5.52%
|
|
7.05%
|
| Lifecycle 2020 Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifecycle 2020 Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
15.96%
|
5.74%
|
|
7.73%
|
| Lifecycle 2025 Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifecycle 2025 Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
17.26%
|
6.28%
|
|
8.49%
|
| S And P Target Date 2025 Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
S&P Target Date 2025 Index
|
|
|
|
| Average Annual Return, Percent |
|
16.73%
|
6.14%
|
|
7.91%
|
| S And P Target Date 2030 Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
S&P Target Date 2030 Index
|
|
|
|
| Average Annual Return, Percent |
|
19.00%
|
7.09%
|
|
8.88%
|
| Lifecycle 2030 Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifecycle 2030 Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
19.27%
|
7.08%
|
|
9.38%
|
| Lifecycle 2035 Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifecycle 2035 Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
21.38%
|
8.01%
|
|
10.32%
|
| S And P Target Date 2035 Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
S&P Target Date 2035 Index
|
|
|
|
| Average Annual Return, Percent |
|
21.69%
|
8.14%
|
|
9.92%
|
| S And P Target Date 2040 Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
S&P Target Date 2040 Index
|
|
|
|
| Average Annual Return, Percent |
|
24.41%
|
9.16%
|
|
10.78%
|
| Lifecycle 2040 Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifecycle 2040 Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
24.47%
|
9.26%
|
|
11.42%
|
| Managed Allocation Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Managed Allocation Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
20.02%
|
7.04%
|
|
8.88%
|
| Morningstar Moderate Target Risk Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Morningstar Moderate Target Risk Index
|
|
|
|
| Average Annual Return, Percent |
|
18.36%
|
6.16%
|
|
8.23%
|
| S And P Target Date 2045 Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
S&P Target Date 2045 Index
|
|
|
|
| Average Annual Return, Percent |
|
26.31%
|
9.86%
|
|
11.35%
|
| Lifecycle 2045 Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifecycle 2045 Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
26.69%
|
10.06%
|
|
12.17%
|
| Lifecycle 2050 Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifecycle 2050 Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
27.86%
|
10.44%
|
|
12.46%
|
| S And P Target Date 2050 Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
S&P Target Date 2050 Index
|
|
|
|
| Average Annual Return, Percent |
|
27.16%
|
10.15%
|
|
11.64%
|
| S And P Target Date Retirement Income Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
S&P Target Date Retirement Income Index
|
|
|
|
| Average Annual Return, Percent |
|
12.59%
|
4.59%
|
|
5.47%
|
| Lifecycle Retirement Income Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifecycle Retirement Income Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
14.77%
|
5.22%
|
|
6.72%
|
| Lifecycle Index 2010 Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifecycle Index 2010 Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
13.48%
|
4.80%
|
|
6.57%
|
| Lifecycle Index Retirement Income Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifecycle Index Retirement Income Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
14.92%
|
5.24%
|
|
6.72%
|
| Lifecycle Index 2015 Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifecycle Index 2015 Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
14.81%
|
5.28%
|
|
7.13%
|
| Lifecycle Index 2020 Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifecycle Index 2020 Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
16.10%
|
5.76%
|
|
7.73%
|
| Lifecycle Index 2025 Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifecycle Index 2025 Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
17.39%
|
6.30%
|
|
8.48%
|
| Lifecycle Index 2030 Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifecycle Index 2030 Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
19.39%
|
7.10%
|
|
9.37%
|
| Lifecycle Index 2035 Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifecycle Index 2035 Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
21.49%
|
8.03%
|
|
10.32%
|
| Lifecycle Index 2040 Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifecycle Index 2040 Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
24.57%
|
9.28%
|
|
11.42%
|
| Lifecycle Index 2045 Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifecycle Index 2045 Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
26.78%
|
10.08%
|
|
12.16%
|
| Lifecycle Index 2050 Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifecycle Index 2050 Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
27.93%
|
10.45%
|
|
12.44%
|
| Lifecycle Index 2055 Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifecycle Index 2055 Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
28.33%
|
10.61%
|
|
12.59%
|
| S And P Target Date 2055 Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
S&P Target Date 2055 Index
|
|
|
|
| Average Annual Return, Percent |
|
27.78%
|
10.31%
|
|
11.80%
|
| Lifecycle 2055 Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifecycle 2055 Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
28.26%
|
10.59%
|
|
12.61%
|
| Lifestyle Aggressive Growth Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifestyle Aggressive Growth Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
30.66%
|
11.55%
|
|
13.50%
|
| Morningstar Aggressive Target Risk Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Morningstar Aggressive Target Risk Index
|
|
|
|
| Average Annual Return, Percent |
|
26.15%
|
9.59%
|
|
11.75%
|
| Morningstar Moderately Conservative Target Risk Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Morningstar Moderately Conservative Target Risk Index
|
|
|
|
| Average Annual Return, Percent |
|
13.62%
|
4.35%
|
|
6.24%
|
| Lifestyle Conservative Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifestyle Conservative Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
14.62%
|
5.19%
|
|
6.61%
|
| Lifestyle Growth Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifestyle Growth Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
25.27%
|
9.30%
|
|
11.21%
|
| Morningstar Moderately Aggressive Target Risk Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Morningstar Moderately Aggressive Target Risk Index
|
|
|
|
| Average Annual Return, Percent |
|
22.67%
|
8.02%
|
|
10.23%
|
| Morningstar Conservative Target Risk Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Morningstar Conservative Target Risk Index
|
|
|
|
| Average Annual Return, Percent |
|
9.30%
|
2.20%
|
|
3.90%
|
| Lifestyle Income Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifestyle Income Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
9.38%
|
3.29%
|
|
4.29%
|
| Lifestyle Moderate Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifestyle Moderate Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
20.02%
|
7.04%
|
|
8.88%
|
| S And P Target Date 2060 Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
S&P Target Date 2060 Index
|
|
|
|
| Average Annual Return, Percent |
|
27.80%
|
10.31%
|
|
11.87%
|
| Lifecycle 2060 Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifecycle 2060 Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
28.59%
|
10.73%
|
|
12.75%
|
| Lifecycle Index 2060 Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifecycle Index 2060 Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
28.67%
|
10.75%
|
|
12.74%
|
| S And P Target Date 2065 Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
S&P Target Date 2065+ Index
|
|
|
|
| Average Annual Return, Percent |
15.02%
|
28.11%
|
10.50%
|
14.00%
|
|
| Lifecycle 2065 Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifecycle 2065 Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
28.93%
|
10.87%
|
14.30%
|
|
| Lifecycle Index 2065 Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifecycle Index 2065 Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
|
29.01%
|
10.89%
|
14.25%
|
|
| Lifecycle 2070 Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifecycle 2070 Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
15.24%
|
|
|
|
|
| Lifecycle Index 2070 Fund Composite Index [Member] |
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
| Line Graph and Table Measure Name |
|
Lifecycle Index 2070 Fund Composite Index
|
|
|
|
| Average Annual Return, Percent |
15.47%
|
|
|
|
|