v3.25.2
S000006335 [Member] Average Annual Total Returns
 12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2024
Dec. 31, 2024
Dec. 31, 2024
S&P 500 Index (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 25.02% 14.53% 13.10%
Russell 1000® Value Index (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent [2] 14.37% 8.68% 8.49%
I Class      
Prospectus [Line Items]      
Average Annual Return, Percent 18.60% 12.10% 8.91%
I Class | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 16.83% 10.32% 6.04%
I Class | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 12.30% 9.35% 6.38%
N Class      
Prospectus [Line Items]      
Average Annual Return, Percent 18.35% 11.91% 8.69%
[1]
The Fund has adopted this broad-based index as its primary benchmark index in response to new regulatory requirements.
[2]
The Russell 1000® Value Index, the Fund’s secondary benchmark index, measures the performance of those companies in the Russell 1000® Index with lower price‑to‑book ratios and lower forecasted growth values.