v3.25.4
Since Inception [Member] Average Annual Total Returns
 12 Months Ended 60 Months Ended
Dec. 31, 2024
Dec. 31, 2024
Dec. 31, 2024
Russell 3000 Index (no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 23.81%   13.86%
Bloomberg U.S. Aggregate Index (no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 1.25%   (0.33%)
S&P Target Date To 2045 Index (no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 12.84%   8.41%
Class C      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 17.04%   9.14%
Class R      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 18.50%   9.52%
Class R3      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 18.64%   9.79%
Class R4      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 18.98%   10.05%
Class R5      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 19.19%   10.21%
Class R6      
Prospectus [Line Items]      
Average Annual Return, Percent 19.31%   10.33%
Class Y      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 19.24%   10.21%
Class A      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 12.00%   8.65%
Class A | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 9.91%   6.43%
Class A | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 7.35%   6.05%
Since Inception | Russell 3000 Index (no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent [2]   13.86%  
Performance Inception Date   Dec. 31, 2019  
Since Inception | Bloomberg U.S. Aggregate Index (no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent [2]   (0.33%)  
Performance Inception Date   Dec. 31, 2019  
Since Inception | S&P Target Date To 2045 Index (no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent [2]   8.41%  
Performance Inception Date   Dec. 31, 2019  
Since Inception | Class C      
Prospectus [Line Items]      
Average Annual Return, Percent [1],[2]   9.14%  
Performance Inception Date [1]   Dec. 31, 2019  
Since Inception | Class R      
Prospectus [Line Items]      
Average Annual Return, Percent [1],[2]   9.52%  
Performance Inception Date [1]   Dec. 31, 2019  
Since Inception | Class R3      
Prospectus [Line Items]      
Average Annual Return, Percent [1],[2]   9.79%  
Performance Inception Date [1]   Dec. 31, 2019  
Since Inception | Class R4      
Prospectus [Line Items]      
Average Annual Return, Percent [1],[2]   10.05%  
Performance Inception Date [1]   Dec. 31, 2019  
Since Inception | Class R5      
Prospectus [Line Items]      
Average Annual Return, Percent [1],[2]   10.21%  
Performance Inception Date [1]   Dec. 31, 2019  
Since Inception | Class R6      
Prospectus [Line Items]      
Average Annual Return, Percent [2]   10.33%  
Performance Inception Date   Dec. 31, 2019  
Since Inception | Class Y      
Prospectus [Line Items]      
Average Annual Return, Percent [1],[2]   10.21%  
Performance Inception Date [1]   Dec. 31, 2019  
Since Inception | Class A      
Prospectus [Line Items]      
Average Annual Return, Percent [1],[2]   8.65%  
Performance Inception Date [1]   Dec. 31, 2019  
Since Inception | Class A | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent [1],[2]   6.43%  
Performance Inception Date [1]   Dec. 31, 2019  
Since Inception | Class A | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent [1],[2]   6.05%  
Performance Inception Date [1]   Dec. 31, 2019  
[1] Performance for classes A, C, R, R3, R4, R5, and Y shares prior to their inception (9/1/20) is derived from the historical performance of class R6 shares, adjusted for the higher operating expenses and, for class A and C shares, higher sales charges (in the case of after sales-charge returns) applicable to such classes.
[2]
Since inception December 31, 2019.