v3.25.4
Average Annual Total Returns
 12 Months Ended 49 Months Ended 60 Months Ended 109 Months Ended 120 Months Ended 252 Months Ended 373 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
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% 10.20% [1] 13.15% 14.52% [2] 14.29%    
S&P 500 Index (reflects no deduction for fees, expenses, or taxes)              
Prospectus [Line Items]              
Average Annual Return, Percent 17.88% 11.28% [1] 14.42% 15.20% [2] 14.82%    
Lipper Large-Cap Core Funds Index              
Prospectus [Line Items]              
Average Annual Return, Percent 17.72% 10.89% [1] 13.65% 14.09% [2] 13.84%    
T. Rowe Price U.S. Equity Research Fund - Investor Class              
Prospectus [Line Items]              
Average Annual Return, Percent 16.34%   14.68%   15.14%    
Performance Inception Date             Nov. 30, 1994
T. Rowe Price U.S. Equity Research Fund - Investor Class | After Taxes on Distributions              
Prospectus [Line Items]              
Average Annual Return, Percent 16.02%   14.21%   14.34%    
T. Rowe Price U.S. Equity Research Fund - Investor Class | After Taxes on Distributions and Sales              
Prospectus [Line Items]              
Average Annual Return, Percent 9.90%   11.69%   12.45%    
T. Rowe Price U.S. Equity Research Fund - I Class              
Prospectus [Line Items]              
Average Annual Return, Percent 16.49%   14.80% 15.81%      
Performance Inception Date       Nov. 29, 2016      
T. Rowe Price U.S. Equity Research Fund - Advisor Class              
Prospectus [Line Items]              
Average Annual Return, Percent 15.92%   14.24%   14.75%    
Performance Inception Date           Dec. 31, 2004  
T. Rowe Price U.S. Equity Research Fund - R Class              
Prospectus [Line Items]              
Average Annual Return, Percent 15.54%   13.91%   14.41%    
Performance Inception Date           Dec. 31, 2004  
T. Rowe Price U.S. Equity Research Fund - Z Class              
Prospectus [Line Items]              
Average Annual Return, Percent 16.87% 12.22%          
Performance Inception Date   Nov. 23, 2021          
[1] Return since 11/23/21.
[2] Return since 11/29/16.