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
Bloomberg U.S. Aggregate Index (no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 1.25%   (0.33%)
Russell 3000 Index (no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 23.81%   13.86%
S&P Target Date To Retirement Income Index (no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 6.00%   3.68%
Class R5 Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 9.05%   3.91%
Class A Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 4.49%   2.84%
Class A Shares | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 2.83%   1.80%
Class A Shares | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 2.74%   1.78%
Class C Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 6.97%   2.91%
Class R Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 8.41%   3.26%
Class Y Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 9.05%   3.91%
Class R6 Shares      
Prospectus [Line Items]      
Average Annual Return, Percent 9.15%   4.03%
Class R3 Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 8.64%   3.51%
Class R4 Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 8.92%   3.75%
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 | 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 | S&P Target Date To Retirement Income Index (no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent [2]   3.68%  
Performance Inception Date   Dec. 31, 2019  
Since Inception | Class R5 Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1],[2]   3.91%  
Performance Inception Date [1]   Dec. 31, 2019  
Since Inception | Class A Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1],[2]   2.84%  
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]   1.80%  
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]   1.78%  
Performance Inception Date [1]   Dec. 31, 2019  
Since Inception | Class C Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1],[2]   2.91%  
Performance Inception Date [1]   Dec. 31, 2019  
Since Inception | Class R Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1],[2]   3.26%  
Performance Inception Date [1]   Dec. 31, 2019  
Since Inception | Class Y Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1],[2]   3.91%  
Performance Inception Date [1]   Dec. 31, 2019  
Since Inception | Class R6 Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [2]   4.03%  
Performance Inception Date   Dec. 31, 2019  
Since Inception | Class R3 Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1],[2]   3.51%  
Performance Inception Date [1]   Dec. 31, 2019  
Since Inception | Class R4 Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1],[2]   3.75%  
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.