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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C000005493 | ||||||||||||||||||||||||||||||||||||||||||
Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||
Account Value | $ 20,485 | $ 20,316 | $ 20,346 | $ 19,832 | $ 18,894 | $ 18,350 | $ 17,034 | $ 16,887 | $ 16,150 | $ 15,828 | $ 15,860 | $ 15,503 | $ 16,217 | $ 17,288 | $ 18,034 | $ 18,348 | $ 17,708 | $ 16,668 | $ 15,672 | $ 14,816 | $ 13,261 | $ 13,261 | $ 13,679 | $ 13,078 | $ 12,477 | $ 12,508 | $ 12,082 | $ 12,662 | $ 12,336 | $ 12,336 | $ 12,150 | $ 11,618 | $ 11,250 | $ 10,746 | $ 10,104 | $ 10,134 | $ 9,742 | $ 9,028 | $ 9,641 | $ 9,397 | $ 10,000 | |
C000005494 | ||||||||||||||||||||||||||||||||||||||||||
Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||
Account Value | 19,984 | 19,832 | 19,881 | 19,378 | 18,477 | 17,952 | 16,685 | 16,545 | 15,835 | 15,528 | 15,570 | 15,228 | 15,938 | 16,998 | 17,745 | 18,064 | 17,449 | 16,429 | 15,464 | 14,627 | 13,103 | 13,108 | 13,530 | 12,944 | 12,359 | 12,395 | 11,981 | 12,557 | 12,246 | 12,250 | 12,073 | 11,553 | 11,193 | 10,705 | 10,068 | 10,103 | 9,718 | 9,012 | 9,629 | 9,396 | 10,000 | |
C000005495 | ||||||||||||||||||||||||||||||||||||||||||
Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||
Account Value | 19,493 | 19,357 | 19,413 | 18,936 | 18,063 | 17,565 | 16,333 | 16,208 | 15,515 | 15,231 | 15,282 | 14,954 | 15,667 | 16,715 | 17,458 | 17,787 | 17,191 | 16,198 | 15,253 | 14,434 | 12,936 | 12,952 | 13,377 | 12,808 | 12,233 | 12,279 | 11,874 | 12,455 | 12,153 | 12,167 | 11,998 | 11,490 | 11,138 | 10,658 | 10,032 | 10,072 | 9,693 | 8,997 | 9,618 | 9,387 | 10,000 | |
C000244822 | ||||||||||||||||||||||||||||||||||||||||||
Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||
Account Value | 623,612 | 618,220 | 618,878 | 602,817 | 574,090 | 557,352 | 517,249 | $ 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 2030 Index | ||||||||||||||||||||||||||||||||||||||||||
Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||
Account Value | 19,432 | 19,135 | 19,080 | 18,707 | 17,743 | 17,333 | 16,255 | 16,119 | 15,532 | 15,258 | 15,163 | 14,841 | 15,440 | 16,260 | 16,719 | 16,927 | 16,420 | 15,487 | 14,796 | 14,109 | 12,905 | 12,864 | 13,351 | 12,713 | 12,208 | 12,271 | 11,956 | 12,503 | 12,132 | 12,056 | 11,940 | 11,378 | 11,109 | 10,768 | 10,208 | 10,226 | 9,881 | 9,216 | 9,755 | 9,468 | 10,000 | |
S&P Target Date 2030 Index | ||||||||||||||||||||||||||||||||||||||||||
Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||
Account Value | 19,432 | 19,135 | 19,080 | 18,707 | 17,743 | 17,333 | 16,255 | 16,119 | 15,532 | 15,258 | 15,163 | 14,841 | 15,440 | 16,260 | 16,719 | 16,927 | 16,420 | 15,487 | 14,796 | 14,109 | 12,905 | 12,864 | 13,351 | 12,713 | 12,208 | 12,271 | 11,956 | 12,503 | 12,132 | 12,056 | 11,940 | 11,378 | 11,109 | 10,768 | 10,208 | 10,226 | 9,881 | 9,216 | 9,755 | 9,468 | 10,000 | |
S&P Target Date 2030 Index | ||||||||||||||||||||||||||||||||||||||||||
Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||
Account Value | 19,432 | 19,135 | 19,080 | 18,707 | 17,743 | 17,333 | 16,255 | $ 16,119 | $ 15,532 | $ 15,258 | $ 15,163 | $ 14,841 | $ 15,440 | $ 16,260 | $ 16,719 | $ 16,927 | $ 16,420 | $ 15,487 | $ 14,796 | $ 14,109 | $ 12,905 | $ 12,864 | $ 13,351 | $ 12,713 | $ 12,208 | $ 12,271 | $ 11,956 | $ 12,503 | $ 12,132 | $ 12,056 | $ 11,940 | $ 11,378 | $ 11,109 | $ 10,768 | $ 10,208 | $ 10,226 | $ 9,881 | $ 9,216 | $ 9,755 | $ 9,468 | $ 10,000 | |
S&P Target Date 2030 Index | ||||||||||||||||||||||||||||||||||||||||||
Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||
Account Value | $ 618,071 | $ 608,619 | $ 606,885 | $ 595,019 | $ 564,372 | $ 551,303 | $ 517,021 | $ 500,000 |