v3.25.2
Class K [Member] Average Annual Total Returns - Class K
12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2024
Dec. 31, 2024
Dec. 31, 2024
Russell 3000® Index (Reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 23.81% 13.86% 12.55%
Russell 3000® Health Care Index (Reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 3.48% 7.18% 8.81%
Class K      
Prospectus [Line Items]      
Average Annual Return, Percent 4.22% 6.58% 9.40%
Class K | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 2.28% 4.93% 7.72%
Class K | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 4.00% 5.07% 7.30%