Shareholder Report, Average Annual Return (Details)
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12 Months Ended |
60 Months Ended |
120 Months Ended |
May 31, 2026 |
May 31, 2026 |
May 31, 2026 |
| C000037625 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class R Shares
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| Average Annual Return, Percent |
9.99%
|
1.23%
|
12.01%
|
| C000166016 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class K Shares
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| Average Annual Return, Percent |
10.64%
|
1.84%
|
12.69%
|
| C000004040 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Investor C Shares (with sales charge)
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| Average Annual Return, Percent |
8.63%
|
0.73%
|
11.64%
|
| C000004038 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Investor A Shares (with sales charge)
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| Average Annual Return, Percent |
4.50%
|
0.40%
|
11.69%
|
| C000004037 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Service Shares
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| Average Annual Return, Percent |
10.29%
|
1.49%
|
12.32%
|
| C000004036 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Institutional Shares
|
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| Average Annual Return, Percent |
10.53%
|
1.74%
|
12.58%
|
| C000004057 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Institutional Shares
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| Average Annual Return, Percent |
21.49%
|
8.67%
|
9.96%
|
| C000004059 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Investor A Shares (with sales charge)
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| Average Annual Return, Percent |
14.83%
|
7.23%
|
9.09%
|
| C000004061 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Investor C Shares (with sales charge)
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| Average Annual Return, Percent |
19.35%
|
7.60%
|
9.03%
|
| C000219259 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class K Shares
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| Average Annual Return, Percent |
21.57%
|
8.71%
|
9.99%
|
| C000037630 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class R Shares
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| Average Annual Return, Percent |
64.95%
|
15.26%
|
24.49%
|
| C000216612 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class K Shares
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| Average Annual Return, Percent |
65.88%
|
15.92%
|
25.17%
|
| C000004066 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Investor C Shares (with sales charge)
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| Average Annual Return, Percent |
63.33%
|
14.73%
|
24.06%
|
| C000004064 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Investor A Shares (with sales charge)
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| Average Annual Return, Percent |
56.66%
|
14.31%
|
24.13%
|
| C000004063 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Service Shares
|
|
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| Average Annual Return, Percent |
65.35%
|
15.55%
|
24.81%
|
| C000004062 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Institutional Shares
|
|
|
| Average Annual Return, Percent |
65.73%
|
15.83%
|
25.11%
|
| C000004873 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Institutional Shares
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| Average Annual Return, Percent |
41.23%
|
19.49%
|
8.79%
|
| C000004875 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Investor A Shares (with sales charge)
|
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| Average Annual Return, Percent |
33.28%
|
17.73%
|
7.76%
|
| C000004877 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Investor C Shares (with sales charge)
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| Average Annual Return, Percent |
38.72%
|
18.18%
|
7.73%
|
| C000037656 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class R Shares
|
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| Average Annual Return, Percent |
36.62%
|
15.49%
|
17.81%
|
| C000198239 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class K Shares
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| Average Annual Return, Percent |
37.40%
|
16.14%
|
18.42%
|
| C000004887 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Investor C Shares (with sales charge)
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| Average Annual Return, Percent |
34.93%
|
14.92%
|
17.41%
|
| C000004885 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Investor A Shares (with sales charge)
|
|
|
| Average Annual Return, Percent |
29.78%
|
14.54%
|
17.49%
|
| C000004883 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Institutional Shares
|
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|
| Average Annual Return, Percent |
37.34%
|
16.09%
|
18.44%
|
| C000004912 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Institutional Shares
|
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| Average Annual Return, Percent |
17.12%
|
4.34%
|
9.91%
|
| C000004913 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Service Shares
|
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|
| Average Annual Return, Percent |
16.76%
|
4.02%
|
9.59%
|
| C000004914 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Investor A Shares (with sales charge)
|
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| Average Annual Return, Percent |
10.71%
|
2.96%
|
9.04%
|
| C000004916 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Investor C Shares (with sales charge)
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| Average Annual Return, Percent |
14.92%
|
3.29%
|
8.98%
|
| C000172900 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class K Shares
|
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| Average Annual Return, Percent |
17.25%
|
4.44%
|
10.02%
|
| C000037661 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class R Shares
|
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| Average Annual Return, Percent |
16.43%
|
3.71%
|
9.25%
|
| C000037670 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class R Shares
|
|
|
| Average Annual Return, Percent |
22.86%
|
9.77%
|
9.50%
|
| C000198216 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class K Shares
|
|
|
| Average Annual Return, Percent |
23.49%
|
10.37%
|
10.12%
|
| C000023032 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Investor C Shares (with sales charge)
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| Average Annual Return, Percent |
21.18%
|
9.22%
|
9.14%
|
| C000023030 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Investor A Shares (with sales charge)
|
|
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| Average Annual Return, Percent |
16.70%
|
8.86%
|
9.20%
|
| C000023028 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Institutional Shares
|
|
|
| Average Annual Return, Percent |
23.40%
|
10.31%
|
10.07%
|
| C000103252 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Institutional Shares
|
|
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| Average Annual Return, Percent |
40.65%
|
11.95%
|
9.58%
|
| C000103250 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Investor A Shares (with sales charge)
|
|
|
| Average Annual Return, Percent |
33.07%
|
10.49%
|
8.73%
|
| C000103251 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Investor C Shares (with sales charge)
|
|
|
| Average Annual Return, Percent |
38.43%
|
10.86%
|
8.66%
|
| C000198241 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class K Shares
|
|
|
| Average Annual Return, Percent |
40.78%
|
12.04%
|
9.64%
|
| C000166014 [Member] |
|
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| Average Annual Return [Line Items] |
|
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| Line Graph and Table Measure Name |
Class K Shares
|
|
|
| Average Annual Return, Percent |
44.87%
|
7.28%
|
12.12%
|
| C000124021 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Investor C Shares (with sales charge)
|
|
|
| Average Annual Return, Percent |
42.32%
|
6.15%
|
11.11%
|
| C000124020 [Member] |
|
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| Average Annual Return [Line Items] |
|
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| Line Graph and Table Measure Name |
Investor A Shares (with sales charge)
|
|
|
| Average Annual Return, Percent |
36.82%
|
5.81%
|
11.18%
|
| C000124019 [Member] |
|
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| Average Annual Return [Line Items] |
|
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| Line Graph and Table Measure Name |
Institutional Shares
|
|
|
| Average Annual Return, Percent |
44.80%
|
7.22%
|
12.07%
|
| Without Sales Load [Member] | C000004040 [Member] |
|
|
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| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Investor C Shares
|
|
|
| Average Annual Return, Percent |
9.42%
|
0.73%
|
11.64%
|
| Without Sales Load [Member] | C000004038 [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Investor A Shares
|
|
|
| Average Annual Return, Percent |
10.29%
|
1.49%
|
12.29%
|
| Without Sales Load [Member] | C000004059 [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Investor A Shares
|
|
|
| Average Annual Return, Percent |
21.19%
|
8.40%
|
9.68%
|
| Without Sales Load [Member] | C000004061 [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Investor C Shares
|
|
|
| Average Annual Return, Percent |
20.35%
|
7.60%
|
9.03%
|
| Without Sales Load [Member] | C000004066 [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Investor C Shares
|
|
|
| Average Annual Return, Percent |
64.33%
|
14.73%
|
24.06%
|
| Without Sales Load [Member] | C000004064 [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Investor A Shares
|
|
|
| Average Annual Return, Percent |
65.35%
|
15.55%
|
24.80%
|
| Without Sales Load [Member] | C000004875 [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Investor A Shares
|
|
|
| Average Annual Return, Percent |
40.67%
|
19.00%
|
8.34%
|
| Without Sales Load [Member] | C000004877 [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Investor C Shares
|
|
|
| Average Annual Return, Percent |
39.72%
|
18.18%
|
7.73%
|
| Without Sales Load [Member] | C000004887 [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Investor C Shares
|
|
|
| Average Annual Return, Percent |
35.93%
|
14.92%
|
17.41%
|
| Without Sales Load [Member] | C000004885 [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Investor A Shares
|
|
|
| Average Annual Return, Percent |
36.97%
|
15.78%
|
18.13%
|
| Without Sales Load [Member] | C000004914 [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Investor A Shares
|
|
|
| Average Annual Return, Percent |
16.86%
|
4.08%
|
9.63%
|
| Without Sales Load [Member] | C000004916 [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Investor C Shares
|
|
|
| Average Annual Return, Percent |
15.92%
|
3.29%
|
8.98%
|
| Without Sales Load [Member] | C000023032 [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Investor C Shares
|
|
|
| Average Annual Return, Percent |
22.18%
|
9.22%
|
9.14%
|
| Without Sales Load [Member] | C000023030 [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Investor A Shares
|
|
|
| Average Annual Return, Percent |
23.17%
|
10.04%
|
9.79%
|
| Without Sales Load [Member] | C000103250 [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Investor A Shares
|
|
|
| Average Annual Return, Percent |
40.45%
|
11.69%
|
9.32%
|
| Without Sales Load [Member] | C000103251 [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Investor C Shares
|
|
|
| Average Annual Return, Percent |
39.43%
|
10.86%
|
8.66%
|
| Without Sales Load [Member] | C000124021 [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Investor C Shares
|
|
|
| Average Annual Return, Percent |
43.32%
|
6.15%
|
11.11%
|
| Without Sales Load [Member] | C000124020 [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Investor A Shares
|
|
|
| Average Annual Return, Percent |
44.41%
|
6.96%
|
11.79%
|
| Russell 1000 Index [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Russell 1000 Index
|
|
|
| Average Annual Return, Percent |
28.85%
|
13.33%
|
15.38%
|
| MSCI All Country World Index Net [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
MSCI All Country World Index (Net)
|
|
|
| Average Annual Return, Percent |
30.27%
|
11.45%
|
12.81%
|
| Russell 3000 Index [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Russell 3000 Index
|
|
|
| Average Annual Return, Percent |
29.45%
|
12.92%
|
15.12%
|
| MSCI EAFE Index Net [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
MSCI EAFE Index (Net)
|
|
|
| Average Annual Return, Percent |
22.80%
|
8.79%
|
9.28%
|
| Russell Midcap Growth Index [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Russell Midcap Growth Index
|
|
|
| Average Annual Return, Percent |
7.88%
|
6.86%
|
12.74%
|
| Russell 1000 Value Index [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Russell 1000 Value Index
|
|
|
| Average Annual Return, Percent |
28.55%
|
10.42%
|
11.37%
|
| MSCI All Country World Information Technology Index Net [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
MSCI All-Country World Information Technology Index (Net)
|
|
|
| Average Annual Return, Percent |
66.97%
|
22.26%
|
24.78%
|
| MSCI All Country World Information Technology 10 40 Index Net [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
MSCI All-Country World Information Technology 10/40 Index (Net)
|
|
|
| Average Annual Return, Percent |
78.75%
|
|
|
| MSCI World Energy Index Net [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
MSCI World Energy Index (Net)
|
|
|
| Average Annual Return, Percent |
43.63%
|
19.12%
|
8.97%
|
| Russell 1000 Growth Index [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Russell 1000 Growth Index
|
|
|
| Average Annual Return, Percent |
28.66%
|
15.73%
|
18.86%
|
| Russell 3000 Health Care Index [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Russell 3000 Health Care Index
|
|
|
| Average Annual Return, Percent |
17.64%
|
4.47%
|
9.53%
|
| Bloomberg Commodity Index [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Bloomberg Commodity Index
|
|
|
| Average Annual Return, Percent |
40.47%
|
11.75%
|
7.21%
|
| Russell 2000 Index [Member] |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Russell 2000 Index
|
|
|
| Average Annual Return, Percent |
43.08%
|
6.61%
|
11.21%
|