v3.25.3
S000051718 [Member] Average Annual Total Returns
 12 Months Ended 60 Months Ended 109 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% 13.58% [1]
Performance Inception Date     Nov. 30, 2015
Bloomberg U.S. Aggregate Index (no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 25.02% 14.53% 14.14% [1]
Performance Inception Date     Nov. 30, 2015
S&P Target Date To 2060 Index (no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 13.63% 9.04% 9.47% [1]
Performance Inception Date     Nov. 30, 2015
Class R5 Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [2] 16.09% 10.30% 9.42% [1]
Performance Inception Date [2]     Nov. 30, 2015
Class R4 Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [3] 15.92% 10.15% 9.26% [1]
Performance Inception Date [3]     Nov. 30, 2015
Class R3 Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [4] 15.66% 9.87% 8.99% [1]
Performance Inception Date [4]     Nov. 30, 2015
Class A Shares      
Prospectus [Line Items]      
Average Annual Return, Percent 9.19% 8.72% 8.39% [1]
Performance Inception Date     Nov. 30, 2015
Class A Shares | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 8.90% 7.27% 6.88% [1]
Performance Inception Date     Nov. 30, 2015
Class A Shares | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 5.58% 6.43% 6.23% [1]
Performance Inception Date     Nov. 30, 2015
Class C Shares      
Prospectus [Line Items]      
Average Annual Return, Percent 13.90% 9.18% 8.39% [1]
Performance Inception Date     Nov. 30, 2015
Class R Shares      
Prospectus [Line Items]      
Average Annual Return, Percent 15.34% 9.61% 8.76% [1]
Performance Inception Date     Nov. 30, 2015
Class Y Shares      
Prospectus [Line Items]      
Average Annual Return, Percent 16.11% 10.29% 9.38% [1]
Performance Inception Date     Nov. 30, 2015
Class R6 Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [5] 16.21% 10.39% 9.46% [1]
Performance Inception Date [5]     Nov. 30, 2015
[1]
Since inception November 30, 2015.
[2] Performance for class R5 shares prior to their inception (1/4/21) is derived from the historical performance of class R6 shares and has not been adjusted for the lower fund expenses applicable to class R5 shares (relative to the comparable expenses applicable to R6 shares prior to the inception of class R5 shares); had it been adjusted, returns would have been higher.
[3] Performance for class R4 shares prior to their inception (1/4/21) is derived from the historical performance of class Y shares, adjusted for the higher investor servicing fees applicable to class R4 shares (relative to the comparable fees applicable to class Y shares prior to the inception of class R4 shares).
[4] Performance for class R3 shares prior to their inception (1/4/21) is derived from the historical performance of class Y shares, adjusted for the higher 12b-1 fees and investor servicing fees applicable to class R3 shares (relative to the comparable fees applicable to class Y shares prior to the inception of class R3 shares).
[5] Performance for class R6 shares prior to their inception (9/1/16) is derived from the historical performance of class Y shares and has not been adjusted for the lower investor servicing fees applicable to class R6 shares (relative to the comparable fees applicable to class Y shares prior to the inception of class R6 shares); had it been adjusted, returns would have been higher.