Shareholder Report, Holdings (Details)
|
Jun. 30, 2026 |
| C000016466 [Member] | Semiconductors and Semiconductor Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
19.00%
|
| C000016466 [Member] | Technology Hardware, Storage and Peripherals [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
10.00%
|
| C000016466 [Member] | Interactive Media and Services [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.00%
|
| C000016466 [Member] | Banks [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.00%
|
| C000016466 [Member] | Software [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.00%
|
| C000016466 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.40%
|
| C000016466 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.40%
|
| C000016466 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.20%
|
| C000016468 [Member] | Semiconductors and Semiconductor Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
19.00%
|
| C000016468 [Member] | Technology Hardware, Storage and Peripherals [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
10.00%
|
| C000016468 [Member] | Interactive Media and Services [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.00%
|
| C000016468 [Member] | Banks [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.00%
|
| C000016468 [Member] | Software [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.00%
|
| C000016468 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.40%
|
| C000016468 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.40%
|
| C000016468 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.20%
|
| C000016467 [Member] | Semiconductors and Semiconductor Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
19.00%
|
| C000016467 [Member] | Technology Hardware, Storage and Peripherals [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
10.00%
|
| C000016467 [Member] | Interactive Media and Services [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.00%
|
| C000016467 [Member] | Banks [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.00%
|
| C000016467 [Member] | Software [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.00%
|
| C000016467 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.40%
|
| C000016467 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.40%
|
| C000016467 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.20%
|
| C000016469 [Member] | Semiconductors and Semiconductor Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
19.00%
|
| C000016469 [Member] | Technology Hardware, Storage and Peripherals [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
10.00%
|
| C000016469 [Member] | Interactive Media and Services [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.00%
|
| C000016469 [Member] | Banks [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.00%
|
| C000016469 [Member] | Software [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.00%
|
| C000016469 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.40%
|
| C000016469 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.40%
|
| C000016469 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.20%
|
| C000016470 [Member] | Semiconductors and Semiconductor Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
19.00%
|
| C000016470 [Member] | Technology Hardware, Storage and Peripherals [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
10.00%
|
| C000016470 [Member] | Interactive Media and Services [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.00%
|
| C000016470 [Member] | Banks [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.00%
|
| C000016470 [Member] | Software [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.00%
|
| C000016470 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.40%
|
| C000016470 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.40%
|
| C000016470 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.20%
|
| C000189760 [Member] | Semiconductors and Semiconductor Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
19.00%
|
| C000189760 [Member] | Technology Hardware, Storage and Peripherals [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
10.00%
|
| C000189760 [Member] | Interactive Media and Services [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.00%
|
| C000189760 [Member] | Banks [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.00%
|
| C000189760 [Member] | Software [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.00%
|
| C000189760 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.40%
|
| C000189760 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.40%
|
| C000189760 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.20%
|
| C000016462 [Member] | Semiconductors and Semiconductor Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
26.00%
|
| C000016462 [Member] | Technology Hardware, Storage and Peripherals [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
12.00%
|
| C000016462 [Member] | Interactive Media and Services [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
10.00%
|
| C000016462 [Member] | Software [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
12.00%
|
| C000016462 [Member] | Electrical Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| C000016462 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.50%
|
| C000016462 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.20%
|
| C000016462 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.30%
|
| C000016464 [Member] | Semiconductors and Semiconductor Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
26.00%
|
| C000016464 [Member] | Technology Hardware, Storage and Peripherals [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
12.00%
|
| C000016464 [Member] | Interactive Media and Services [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
10.00%
|
| C000016464 [Member] | Software [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
12.00%
|
| C000016464 [Member] | Electrical Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| C000016464 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.50%
|
| C000016464 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.20%
|
| C000016464 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.30%
|
| C000189758 [Member] | Semiconductors and Semiconductor Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
26.00%
|
| C000189758 [Member] | Technology Hardware, Storage and Peripherals [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
12.00%
|
| C000189758 [Member] | Interactive Media and Services [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
10.00%
|
| C000189758 [Member] | Software [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
12.00%
|
| C000189758 [Member] | Electrical Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| C000189758 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.50%
|
| C000189758 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.20%
|
| C000189758 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.30%
|
| C000016463 [Member] | Semiconductors and Semiconductor Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
26.00%
|
| C000016463 [Member] | Technology Hardware, Storage and Peripherals [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
12.00%
|
| C000016463 [Member] | Interactive Media and Services [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
10.00%
|
| C000016463 [Member] | Software [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
12.00%
|
| C000016463 [Member] | Electrical Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| C000016463 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.50%
|
| C000016463 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.20%
|
| C000016463 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.30%
|
| C000055501 [Member] | Semiconductors and Semiconductor Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
26.00%
|
| C000055501 [Member] | Technology Hardware, Storage and Peripherals [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
12.00%
|
| C000055501 [Member] | Interactive Media and Services [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
10.00%
|
| C000055501 [Member] | Software [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
12.00%
|
| C000055501 [Member] | Electrical Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| C000055501 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.50%
|
| C000055501 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.20%
|
| C000055501 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.30%
|
| C000016465 [Member] | Semiconductors and Semiconductor Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
26.00%
|
| C000016465 [Member] | Technology Hardware, Storage and Peripherals [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
12.00%
|
| C000016465 [Member] | Interactive Media and Services [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
10.00%
|
| C000016465 [Member] | Software [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
12.00%
|
| C000016465 [Member] | Electrical Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| C000016465 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.50%
|
| C000016465 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.20%
|
| C000016465 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.30%
|
| C000189759 [Member] | Semiconductors and Semiconductor Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
26.00%
|
| C000189759 [Member] | Technology Hardware, Storage and Peripherals [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
12.00%
|
| C000189759 [Member] | Interactive Media and Services [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
10.00%
|
| C000189759 [Member] | Software [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
12.00%
|
| C000189759 [Member] | Electrical Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| C000189759 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.50%
|
| C000189759 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.20%
|
| C000189759 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.30%
|
| C000016473 [Member] | Semiconductors and Semiconductor Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.00%
|
| C000016473 [Member] | Technology Hardware, Storage and Peripherals [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| C000016473 [Member] | Banks [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
9.00%
|
| C000016473 [Member] | Pharmaceuticals [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.00%
|
| C000016473 [Member] | Consumer Staples Distribution & Retail [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| C000016473 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.50%
|
| C000016473 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.40%
|
| C000016473 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.10%
|
| C000016475 [Member] | Semiconductors and Semiconductor Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.00%
|
| C000016475 [Member] | Technology Hardware, Storage and Peripherals [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| C000016475 [Member] | Banks [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
9.00%
|
| C000016475 [Member] | Pharmaceuticals [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.00%
|
| C000016475 [Member] | Consumer Staples Distribution & Retail [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| C000016475 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.50%
|
| C000016475 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.40%
|
| C000016475 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.10%
|
| C000016474 [Member] | Semiconductors and Semiconductor Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.00%
|
| C000016474 [Member] | Technology Hardware, Storage and Peripherals [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| C000016474 [Member] | Banks [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
9.00%
|
| C000016474 [Member] | Pharmaceuticals [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.00%
|
| C000016474 [Member] | Consumer Staples Distribution & Retail [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| C000016474 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.50%
|
| C000016474 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.40%
|
| C000016474 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.10%
|
| C000016476 [Member] | Semiconductors and Semiconductor Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.00%
|
| C000016476 [Member] | Technology Hardware, Storage and Peripherals [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| C000016476 [Member] | Banks [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
9.00%
|
| C000016476 [Member] | Pharmaceuticals [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.00%
|
| C000016476 [Member] | Consumer Staples Distribution & Retail [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| C000016476 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.50%
|
| C000016476 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.40%
|
| C000016476 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.10%
|
| C000016477 [Member] | Semiconductors and Semiconductor Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.00%
|
| C000016477 [Member] | Technology Hardware, Storage and Peripherals [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| C000016477 [Member] | Banks [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
9.00%
|
| C000016477 [Member] | Pharmaceuticals [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.00%
|
| C000016477 [Member] | Consumer Staples Distribution & Retail [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| C000016477 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.50%
|
| C000016477 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.40%
|
| C000016477 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.10%
|
| C000189761 [Member] | Semiconductors and Semiconductor Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.00%
|
| C000189761 [Member] | Technology Hardware, Storage and Peripherals [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| C000189761 [Member] | Banks [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
9.00%
|
| C000189761 [Member] | Pharmaceuticals [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.00%
|
| C000189761 [Member] | Consumer Staples Distribution & Retail [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| C000189761 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.50%
|
| C000189761 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.40%
|
| C000189761 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.10%
|
| C000016471 [Member] | CANADA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
50.00%
|
| C000016471 [Member] | UNITED STATES |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
13.00%
|
| C000016471 [Member] | SOUTH AFRICA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
13.00%
|
| C000016471 [Member] | AUSTRALIA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
12.00%
|
| C000016471 [Member] | UNITED KINGDOM |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| C000016471 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.20%
|
| C000016471 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.80%
|
| C000016471 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.00%
|
| C000055503 [Member] | CANADA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
50.00%
|
| C000055503 [Member] | UNITED STATES |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
13.00%
|
| C000055503 [Member] | SOUTH AFRICA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
13.00%
|
| C000055503 [Member] | AUSTRALIA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
12.00%
|
| C000055503 [Member] | UNITED KINGDOM |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| C000055503 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.20%
|
| C000055503 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.80%
|
| C000055503 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.00%
|
| C000016472 [Member] | CANADA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
50.00%
|
| C000016472 [Member] | UNITED STATES |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
13.00%
|
| C000016472 [Member] | SOUTH AFRICA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
13.00%
|
| C000016472 [Member] | AUSTRALIA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
12.00%
|
| C000016472 [Member] | UNITED KINGDOM |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| C000016472 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.20%
|
| C000016472 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.80%
|
| C000016472 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.00%
|
| C000055505 [Member] | CANADA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
50.00%
|
| C000055505 [Member] | UNITED STATES |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
13.00%
|
| C000055505 [Member] | SOUTH AFRICA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
13.00%
|
| C000055505 [Member] | AUSTRALIA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
12.00%
|
| C000055505 [Member] | UNITED KINGDOM |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| C000055505 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.20%
|
| C000055505 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.80%
|
| C000055505 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.00%
|
| C000055506 [Member] | CANADA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
50.00%
|
| C000055506 [Member] | UNITED STATES |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
13.00%
|
| C000055506 [Member] | SOUTH AFRICA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
13.00%
|
| C000055506 [Member] | AUSTRALIA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
12.00%
|
| C000055506 [Member] | UNITED KINGDOM |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| C000055506 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.20%
|
| C000055506 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.80%
|
| C000055506 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.00%
|
| C000016484 [Member] | Semiconductors and Semiconductor Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.00%
|
| C000016484 [Member] | Banks [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.00%
|
| C000016484 [Member] | Software [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.00%
|
| C000016484 [Member] | Biotechnology [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.00%
|
| C000016484 [Member] | Construction and Engineering [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.00%
|
| C000016484 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.30%
|
| C000016484 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.30%
|
| C000016484 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
(0.60%)
|
| C000016484 [Member] | Rights [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.00%
|
| C000016486 [Member] | Semiconductors and Semiconductor Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.00%
|
| C000016486 [Member] | Banks [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.00%
|
| C000016486 [Member] | Software [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.00%
|
| C000016486 [Member] | Biotechnology [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.00%
|
| C000016486 [Member] | Construction and Engineering [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.00%
|
| C000016486 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.30%
|
| C000016486 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.30%
|
| C000016486 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
(0.60%)
|
| C000016486 [Member] | Rights [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.00%
|
| C000016485 [Member] | Semiconductors and Semiconductor Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.00%
|
| C000016485 [Member] | Banks [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.00%
|
| C000016485 [Member] | Software [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.00%
|
| C000016485 [Member] | Biotechnology [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.00%
|
| C000016485 [Member] | Construction and Engineering [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.00%
|
| C000016485 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.30%
|
| C000016485 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.30%
|
| C000016485 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
(0.60%)
|
| C000016485 [Member] | Rights [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.00%
|
| C000088007 [Member] | Semiconductors and Semiconductor Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.00%
|
| C000088007 [Member] | Banks [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.00%
|
| C000088007 [Member] | Software [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.00%
|
| C000088007 [Member] | Biotechnology [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.00%
|
| C000088007 [Member] | Construction and Engineering [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.00%
|
| C000088007 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.30%
|
| C000088007 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.30%
|
| C000088007 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
(0.60%)
|
| C000088007 [Member] | Rights [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.00%
|
| C000016487 [Member] | Semiconductors and Semiconductor Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.00%
|
| C000016487 [Member] | Banks [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.00%
|
| C000016487 [Member] | Software [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.00%
|
| C000016487 [Member] | Biotechnology [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.00%
|
| C000016487 [Member] | Construction and Engineering [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.00%
|
| C000016487 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.30%
|
| C000016487 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.30%
|
| C000016487 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
(0.60%)
|
| C000016487 [Member] | Rights [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.00%
|
| C000189764 [Member] | Semiconductors and Semiconductor Equipment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.00%
|
| C000189764 [Member] | Banks [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.00%
|
| C000189764 [Member] | Software [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.00%
|
| C000189764 [Member] | Biotechnology [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.00%
|
| C000189764 [Member] | Construction and Engineering [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.00%
|
| C000189764 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.30%
|
| C000189764 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.30%
|
| C000189764 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
(0.60%)
|
| C000189764 [Member] | Rights [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.00%
|
| C000016488 [Member] | Electric Utilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
59.00%
|
| C000016488 [Member] | Multi-Utilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
22.00%
|
| C000016488 [Member] | Independent Power Producers and Energy Traders [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.00%
|
| C000016488 [Member] | Gas Utilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.00%
|
| C000016488 [Member] | Water Utilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.00%
|
| C000016488 [Member] | Common Stock [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
99.30%
|
| C000016488 [Member] | Short-Term Investment [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.40%
|
| C000016488 [Member] | Other Assets and Liabilities [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.30%
|