Shareholder Report, Line Graph (Details) - USD ($) |
May 31, 2025 |
Feb. 28, 2025 |
Nov. 30, 2024 |
Aug. 31, 2024 |
May 31, 2024 |
Feb. 29, 2024 |
Nov. 30, 2023 |
Nov. 13, 2023 |
Aug. 31, 2023 |
May 31, 2023 |
Feb. 28, 2023 |
Nov. 30, 2022 |
Aug. 31, 2022 |
May 31, 2022 |
Feb. 28, 2022 |
Nov. 30, 2021 |
Aug. 31, 2021 |
May 31, 2021 |
Feb. 28, 2021 |
Nov. 30, 2020 |
Aug. 31, 2020 |
May 31, 2020 |
Feb. 29, 2020 |
Nov. 30, 2019 |
Aug. 31, 2019 |
May 31, 2019 |
Feb. 28, 2019 |
Nov. 30, 2018 |
Aug. 31, 2018 |
May 31, 2018 |
Feb. 28, 2018 |
Nov. 30, 2017 |
Aug. 31, 2017 |
May 31, 2017 |
Feb. 28, 2017 |
Nov. 30, 2016 |
Aug. 31, 2016 |
May 31, 2016 |
Feb. 29, 2016 |
Nov. 30, 2015 |
Aug. 31, 2015 |
May 31, 2015 |
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C000005504 | ||||||||||||||||||||||||||||||||||||||||||
Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||
Account Value | $ 19,388 | $ 19,241 | $ 19,218 | $ 18,773 | $ 17,936 | $ 17,480 | $ 16,364 | $ 16,211 | $ 15,610 | $ 15,325 | $ 15,338 | $ 15,085 | $ 15,709 | $ 16,660 | $ 17,296 | $ 17,557 | $ 17,002 | $ 16,106 | $ 15,268 | $ 14,517 | $ 13,116 | $ 13,116 | $ 13,447 | $ 12,908 | $ 12,340 | $ 12,326 | $ 11,922 | $ 12,436 | $ 12,135 | $ 12,135 | $ 11,986 | $ 11,516 | $ 11,179 | $ 10,723 | $ 10,127 | $ 10,178 | $ 9,796 | $ 9,114 | $ 9,666 | $ 9,435 | $ 10,000 | |
C000049240 | ||||||||||||||||||||||||||||||||||||||||||
Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||
Account Value | 18,910 | 18,788 | 18,778 | 18,360 | 17,545 | 17,106 | 16,025 | 15,894 | 15,310 | 15,038 | 15,061 | 14,819 | 15,446 | 16,388 | 17,022 | 17,297 | 16,755 | 15,889 | 15,064 | 14,333 | 12,955 | 12,963 | 13,299 | 12,777 | 12,219 | 12,219 | 11,818 | 12,339 | 12,051 | 12,058 | 11,909 | 11,453 | 11,122 | 10,679 | 10,089 | 10,153 | 9,775 | 9,097 | 9,658 | 9,432 | 10,000 | |
C000049241 | ||||||||||||||||||||||||||||||||||||||||||
Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||
Account Value | 18,443 | 18,332 | 18,328 | 17,933 | 17,143 | 16,727 | 15,685 | 15,555 | 15,002 | 14,741 | 14,773 | 14,540 | 15,175 | 16,105 | 16,743 | 17,018 | 16,501 | 15,653 | 14,853 | 14,138 | 12,793 | 12,808 | 13,143 | 12,636 | 12,092 | 12,099 | 11,708 | 12,237 | 11,955 | 11,969 | 11,833 | 11,388 | 11,062 | 10,630 | 10,050 | 10,114 | 9,747 | 9,078 | 9,643 | 9,427 | 10,000 | |
C000244827 | ||||||||||||||||||||||||||||||||||||||||||
Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||
Account Value | 612,836 | 608,188 | 607,200 | 593,159 | 566,104 | 551,378 | 516,057 | $ 500,000 | ||||||||||||||||||||||||||||||||||
Russell 3000 Index | ||||||||||||||||||||||||||||||||||||||||||
Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||
Account Value | 31,648 | 31,819 | 32,439 | 30,020 | 27,978 | 27,072 | 24,121 | 23,798 | 21,929 | 21,051 | 21,420 | 20,738 | 21,492 | 22,900 | 24,014 | 23,914 | 22,314 | 20,393 | 19,008 | 17,975 | 15,505 | 15,069 | 15,970 | 14,801 | 13,911 | 14,096 | 13,828 | 14,610 | 13,572 | 13,419 | 13,104 | 12,150 | 11,795 | 11,546 | 10,717 | 10,468 | 10,022 | 9,142 | 9,895 | 9,394 | 10,000 | |
Russell 3000 Index | ||||||||||||||||||||||||||||||||||||||||||
Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||
Account Value | 31,648 | 31,819 | 32,439 | 30,020 | 27,978 | 27,072 | 24,121 | 23,798 | 21,929 | 21,051 | 21,420 | 20,738 | 21,492 | 22,900 | 24,014 | 23,914 | 22,314 | 20,393 | 19,008 | 17,975 | 15,505 | 15,069 | 15,970 | 14,801 | 13,911 | 14,096 | 13,828 | 14,610 | 13,572 | 13,419 | 13,104 | 12,150 | 11,795 | 11,546 | 10,717 | 10,468 | 10,022 | 9,142 | 9,895 | 9,394 | 10,000 | |
Russell 3000 Index | ||||||||||||||||||||||||||||||||||||||||||
Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||
Account Value | 31,648 | 31,819 | 32,439 | 30,020 | 27,978 | 27,072 | 24,121 | 23,798 | 21,929 | 21,051 | 21,420 | 20,738 | 21,492 | 22,900 | 24,014 | 23,914 | 22,314 | 20,393 | 19,008 | 17,975 | 15,505 | 15,069 | 15,970 | 14,801 | 13,911 | 14,096 | 13,828 | 14,610 | 13,572 | 13,419 | 13,104 | 12,150 | 11,795 | 11,546 | 10,717 | 10,468 | 10,022 | 9,142 | 9,895 | 9,394 | 10,000 | |
Russell 3000 Index | ||||||||||||||||||||||||||||||||||||||||||
Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||
Account Value | 682,760 | 686,440 | 699,825 | 647,631 | 603,581 | 584,038 | 520,373 | 500,000 | ||||||||||||||||||||||||||||||||||
S&P Target Date 2025 Index | ||||||||||||||||||||||||||||||||||||||||||
Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||
Account Value | 18,181 | 17,929 | 17,834 | 17,555 | 16,708 | 16,368 | 15,484 | 15,358 | 14,921 | 14,662 | 14,571 | 14,332 | 14,839 | 15,607 | 16,043 | 16,213 | 15,756 | 14,991 | 14,448 | 13,863 | 12,822 | 12,751 | 13,103 | 12,570 | 12,083 | 12,087 | 11,781 | 12,247 | 11,923 | 11,851 | 11,766 | 11,286 | 11,041 | 10,724 | 10,208 | 10,247 | 9,915 | 9,298 | 9,776 | 9,511 | 10,000 | |
S&P Target Date 2025 Index | ||||||||||||||||||||||||||||||||||||||||||
Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||
Account Value | 18,181 | 17,929 | 17,834 | 17,555 | 16,708 | 16,368 | 15,484 | 15,358 | 14,921 | 14,662 | 14,571 | 14,332 | 14,839 | 15,607 | 16,043 | 16,213 | 15,756 | 14,991 | 14,448 | 13,863 | 12,822 | 12,751 | 13,103 | 12,570 | 12,083 | 12,087 | 11,781 | 12,247 | 11,923 | 11,851 | 11,766 | 11,286 | 11,041 | 10,724 | 10,208 | 10,247 | 9,915 | 9,298 | 9,776 | 9,511 | 10,000 | |
S&P Target Date 2025 Index | ||||||||||||||||||||||||||||||||||||||||||
Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||
Account Value | 18,181 | 17,929 | 17,834 | 17,555 | 16,708 | 16,368 | 15,484 | $ 15,358 | $ 14,921 | $ 14,662 | $ 14,571 | $ 14,332 | $ 14,839 | $ 15,607 | $ 16,043 | $ 16,213 | $ 15,756 | $ 14,991 | $ 14,448 | $ 13,863 | $ 12,822 | $ 12,751 | $ 13,103 | $ 12,570 | $ 12,083 | $ 12,087 | $ 11,781 | $ 12,247 | $ 11,923 | $ 11,851 | $ 11,766 | $ 11,286 | $ 11,041 | $ 10,724 | $ 10,208 | $ 10,247 | $ 9,915 | $ 9,298 | $ 9,776 | $ 9,511 | $ 10,000 | |
S&P Target Date 2025 Index | ||||||||||||||||||||||||||||||||||||||||||
Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||
Account Value | $ 605,228 | $ 596,823 | $ 593,686 | $ 584,383 | $ 556,180 | $ 544,868 | $ 515,437 | $ 500,000 |