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 2030 Index (no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 8.89%   6.08%
Class R4 Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 12.07%   6.50%
Class C Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 10.19%   5.64%
Class R Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 11.53%   5.99%
Class R6 Shares      
Prospectus [Line Items]      
Average Annual Return, Percent 12.34%   6.76%
Class Y Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 12.29%   6.66%
Class A Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 5.44%   5.14%
Class A Shares | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 3.66%   3.32%
Class A Shares | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 3.35%   3.40%
Class R5 Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 12.33%   6.67%
Class R3 Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 11.80%   6.25%
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 2030 Index (no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent [2]   6.08%  
Performance Inception Date   Dec. 31, 2019  
Since Inception | Class R4 Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1],[2]   6.50%  
Performance Inception Date [1]   Dec. 31, 2019  
Since Inception | Class C Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1],[2]   5.64%  
Performance Inception Date [1]   Dec. 31, 2019  
Since Inception | Class R Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1],[2]   5.99%  
Performance Inception Date [1]   Dec. 31, 2019  
Since Inception | Class R6 Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [2]   6.76%  
Performance Inception Date   Dec. 31, 2019  
Since Inception | Class Y Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1],[2]   6.66%  
Performance Inception Date [1]   Dec. 31, 2019  
Since Inception | Class A Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1],[2]   5.14%  
Performance Inception Date [1]   Dec. 31, 2019  
Since Inception | Class A Shares | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent [1],[2]   3.32%  
Performance Inception Date [1]   Dec. 31, 2019  
Since Inception | Class A Shares | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent [1],[2]   3.40%  
Performance Inception Date [1]   Dec. 31, 2019  
Since Inception | Class R5 Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1],[2]   6.67%  
Performance Inception Date [1]   Dec. 31, 2019  
Since Inception | Class R3 Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1],[2]   6.25%  
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.