Class K [Member] Average Annual Total Returns - Class K |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| Russell 3000 Index (Reflects no deduction for fees, expenses or taxes) | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 17.15% | 13.15% | 14.29% |
| Russell 3000 Health Care Index (Reflects no deduction for fees, expenses or taxes) | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 14.56% | 6.31% | 9.54% |
| Class K | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 16.38% | 5.95% | 9.92% |
| Class K | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 13.55% | 4.02% | 8.34% |
| Class K | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 11.33% | 4.40% | 7.82% |