v3.26.1
Shareholder Report, Line Graph (Details) - USD ($)
 1 Months Ended 2 Months Ended 3 Months Ended 4 Months Ended 5 Months Ended 6 Months Ended 7 Months Ended 8 Months Ended 9 Months Ended 10 Months Ended 11 Months Ended 12 Months Ended 13 Months Ended 14 Months Ended 15 Months Ended 16 Months Ended 17 Months Ended 18 Months Ended 19 Months Ended 20 Months Ended 21 Months Ended 22 Months Ended 23 Months Ended 24 Months Ended 25 Months Ended 26 Months Ended 27 Months Ended 28 Months Ended 29 Months Ended 30 Months Ended 31 Months Ended 32 Months Ended 33 Months Ended 34 Months Ended 35 Months Ended 36 Months Ended 37 Months Ended 38 Months Ended 39 Months Ended 40 Months Ended 41 Months Ended 42 Months Ended 43 Months Ended 44 Months Ended 45 Months Ended 46 Months Ended 47 Months Ended 48 Months Ended 49 Months Ended 50 Months Ended 51 Months Ended 52 Months Ended 53 Months Ended 54 Months Ended 55 Months Ended 56 Months Ended 57 Months Ended 58 Months Ended 59 Months Ended 60 Months Ended 61 Months Ended 62 Months Ended 63 Months Ended 64 Months Ended 65 Months Ended 66 Months Ended 67 Months Ended 68 Months Ended 69 Months Ended 70 Months Ended 71 Months Ended 72 Months Ended 73 Months Ended 74 Months Ended 75 Months Ended 76 Months Ended 77 Months Ended 78 Months Ended 79 Months Ended 80 Months Ended 81 Months Ended 82 Months Ended 83 Months Ended 84 Months Ended 85 Months Ended 86 Months Ended 87 Months Ended 88 Months Ended 89 Months Ended 90 Months Ended 91 Months Ended 92 Months Ended 93 Months Ended 94 Months Ended 95 Months Ended 96 Months Ended 97 Months Ended 98 Months Ended 99 Months Ended 100 Months Ended 101 Months Ended 102 Months Ended 103 Months Ended 104 Months Ended 105 Months Ended 106 Months Ended 107 Months Ended 108 Months Ended 109 Months Ended 110 Months Ended 111 Months Ended 112 Months Ended 113 Months Ended 114 Months Ended 115 Months Ended 116 Months Ended 117 Months Ended 118 Months Ended 119 Months Ended 120 Months Ended
Feb. 29, 2016
Mar. 31, 2016
Apr. 30, 2016
May 31, 2016
Jun. 30, 2016
Jul. 31, 2016
Aug. 31, 2016
Sep. 30, 2016
Oct. 31, 2016
Nov. 30, 2016
Dec. 31, 2016
Jan. 31, 2017
Feb. 28, 2026
Feb. 28, 2017
Mar. 31, 2017
Apr. 30, 2017
May 31, 2017
Jun. 30, 2017
Jul. 31, 2017
Aug. 31, 2017
Sep. 30, 2017
Oct. 31, 2017
Nov. 30, 2017
Dec. 31, 2017
Jan. 31, 2018
Feb. 28, 2018
Mar. 31, 2018
Apr. 30, 2018
May 31, 2018
Jun. 30, 2018
Jul. 31, 2018
Aug. 31, 2018
Sep. 30, 2018
Oct. 31, 2018
Nov. 30, 2018
Dec. 31, 2018
Jan. 31, 2019
Feb. 28, 2019
Mar. 31, 2019
Apr. 30, 2019
May 31, 2019
Jun. 30, 2019
Jul. 31, 2019
Aug. 31, 2019
Sep. 30, 2019
Oct. 31, 2019
Nov. 30, 2019
Dec. 31, 2019
Jan. 31, 2020
Feb. 29, 2020
Mar. 31, 2020
Apr. 30, 2020
May 31, 2020
Jun. 30, 2020
Jul. 31, 2020
Aug. 31, 2020
Sep. 30, 2020
Oct. 31, 2020
Nov. 30, 2020
Dec. 31, 2020
Jan. 31, 2021
Feb. 28, 2021
Mar. 31, 2021
Apr. 30, 2021
May 31, 2021
Jun. 30, 2021
Jul. 31, 2021
Aug. 31, 2021
Sep. 30, 2021
Oct. 31, 2021
Nov. 30, 2021
Dec. 31, 2021
Jan. 31, 2022
Feb. 28, 2022
Mar. 31, 2022
Apr. 30, 2022
May 31, 2022
Jun. 30, 2022
Jul. 31, 2022
Aug. 31, 2022
Sep. 30, 2022
Oct. 31, 2022
Nov. 30, 2022
Dec. 31, 2022
Jan. 31, 2023
Feb. 28, 2023
Mar. 31, 2023
Apr. 30, 2023
May 31, 2023
Jun. 30, 2023
Jul. 31, 2023
Aug. 31, 2023
Sep. 30, 2023
Oct. 31, 2023
Nov. 30, 2023
Dec. 31, 2023
Jan. 31, 2024
Feb. 29, 2024
Mar. 31, 2024
Apr. 30, 2024
May 31, 2024
Jun. 30, 2024
Jul. 31, 2024
Aug. 31, 2024
Sep. 30, 2024
Oct. 31, 2024
Nov. 30, 2024
Dec. 31, 2024
Jan. 31, 2025
Feb. 28, 2025
Mar. 31, 2025
Apr. 30, 2025
May 31, 2025
Jun. 30, 2025
Jul. 31, 2025
Aug. 31, 2025
Sep. 30, 2025
Oct. 31, 2025
Nov. 30, 2025
Dec. 31, 2025
Jan. 31, 2026
Feb. 28, 2026
C000098128                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         Class A with Maximum Sales Charge                                                                                                                                                                                                                          
Accumulated Value $ 10,000 $ 9,931 $ 9,977 $ 10,244 $ 10,081 $ 10,694 $ 10,694 $ 10,766 $ 10,538 $ 10,623 $ 10,623 $ 11,105   $ 11,477 $ 11,457 $ 11,764 $ 12,077 $ 12,083 $ 12,271 $ 12,329 $ 12,440 $ 12,649 $ 13,080 $ 13,295 $ 14,378 $ 14,117 $ 13,660 $ 13,869 $ 14,515 $ 14,626 $ 15,037 $ 15,629 $ 15,884 $ 14,458 $ 14,498 $ 13,377 $ 14,805 $ 15,362 $ 15,634 $ 16,262 $ 14,727 $ 15,877 $ 16,212 $ 15,756 $ 15,525 $ 16,072 $ 16,879 $ 17,317 $ 17,535 $ 16,338 $ 14,553 $ 16,850 $ 18,205 $ 19,071 $ 20,306 $ 22,280 $ 21,300 $ 20,814 $ 23,885 $ 24,973 $ 24,635 $ 25,682 $ 25,542 $ 26,910 $ 26,646 $ 27,817 $ 28,089 $ 28,740 $ 27,141 $ 28,889 $ 28,411 $ 29,026 $ 26,271 $ 25,433 $ 25,317 $ 21,974 $ 21,705 $ 19,556 $ 22,042 $ 21,040 $ 18,863 $ 20,317 $ 21,310 $ 19,618 $ 21,411 $ 20,673 $ 22,275 $ 22,606 $ 23,598 $ 25,250 $ 26,217 $ 26,115 $ 24,589 $ 24,182 $ 26,649 $ 27,835 $ 29,013 $ 31,264 $ 31,827 $ 30,178 $ 32,494 $ 34,824 $ 34,183 $ 35,138 $ 35,727 $ 35,596 $ 37,507 $ 37,378 $ 38,235 $ 37,157 $ 34,077 $ 34,629 $ 37,323 $ 39,685 $ 41,025 $ 40,790 $ 41,978 $ 43,539 $ 43,111 $ 42,676 $ 42,396 $ 41,863
C000098129                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         Class C                                                                                                                                                                                                                          
Accumulated Value 10,000 10,463 10,506 10,783 10,598 11,239 11,232 11,303 11,054 11,140 11,125 11,631   12,009 11,987 12,293 12,614 12,614 12,799 12,849 12,956 13,162 13,604 13,825 14,943 14,658 14,181 14,387 15,043 15,157 15,570 16,167 16,423 14,937 14,973 13,806 15,272 15,836 16,111 16,746 15,154 16,330 16,659 16,182 15,929 16,482 17,305 17,737 17,953 16,717 14,883 17,215 18,592 19,463 20,707 22,708 21,694 21,192 24,302 25,392 25,035 26,078 25,923 27,296 27,012 28,175 28,441 29,082 27,443 29,192 28,688 29,294 26,494 25,640 25,500 22,127 21,835 19,662 22,149 21,122 18,927 20,376 21,360 19,656 21,437 20,680 22,267 22,579 23,558 25,190 26,139 26,021 24,478 24,062 26,510 27,672 28,823 31,048 31,585 29,928 32,199 34,501 33,842 34,762 35,315 35,161 37,034 36,882 37,700 36,620 33,559 34,082 36,718 39,010 40,303 40,041 41,187 42,693 42,251 41,801 41,493 41,606
C000098130                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         Class I                                                                                                                                                                                                                          
Accumulated Value 1,000,000 1,047,716 1,053,170 1,081,800 1,064,758 1,130,198 1,129,516 1,137,696 1,113,838 1,123,381 1,123,381 1,174,506   1,214,042 1,212,679 1,244,717 1,278,119 1,279,482 1,299,115 1,305,952 1,317,576 1,340,140 1,385,950 1,409,198 1,524,751 1,496,717 1,448,855 1,471,418 1,539,793 1,552,784 1,595,860 1,659,362 1,686,726 1,535,173 1,540,085 1,421,982 1,573,750 1,632,813 1,662,718 1,730,004 1,566,274 1,689,632 1,725,518 1,676,966 1,652,848 1,711,636 1,798,310 1,844,872 1,868,494 1,741,723 1,551,173 1,796,054 1,940,935 2,034,635 2,166,131 2,377,345 2,273,281 2,221,652 2,550,786 2,666,933 2,631,649 2,743,524 2,728,894 2,876,053 2,848,515 2,974,159 3,004,280 3,074,847 2,904,452 3,092,059 3,041,284 3,108,169 2,813,109 2,724,792 2,712,748 2,355,464 2,326,360 2,096,534 2,363,493 2,256,107 2,023,271 2,179,833 2,287,219 2,106,233 2,299,141 2,219,091 2,392,314 2,427,746 2,535,354 2,712,514 2,817,497 2,806,999 2,642,962 2,599,656 2,867,364 2,995,066 3,123,233 3,364,727 3,426,787 3,250,051 3,500,989 3,751,927 3,683,122 3,787,005 3,850,414 3,838,272 4,044,688 4,031,417 4,125,171 4,010,109 3,677,709 3,738,791 4,029,996 4,287,109 4,432,001 4,406,432 4,537,119 4,706,161 4,660,704 4,614,747 4,584,539 4,531,498
C000098131                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         Class A with Maximum Sales Charge                                                                                                                                                                                                                          
Accumulated Value 10,000 9,841 9,907 10,053 10,025 10,238 10,260 10,150 9,959 10,282 10,620 10,754   11,102 11,021 11,080 11,117 11,354 11,409 11,327 11,750 11,943 12,425 12,758 13,256 12,735 12,643 12,881 12,873 12,965 13,647 13,964 14,071 13,029 13,269 12,007 12,973 13,416 13,496 14,418 13,381 14,382 14,666 14,242 14,679 14,777 15,428 15,891 15,596 14,013 11,472 12,908 13,396 13,285 13,921 14,506 14,128 13,882 15,658 16,205 15,968 17,165 18,115 18,875 19,188 18,998 18,970 19,302 18,761 19,796 18,941 20,012 20,117 20,274 20,504 19,417 19,793 18,225 19,438 18,884 17,463 19,375 20,368 19,312 20,450 19,604 18,726 19,117 18,661 19,800 20,776 20,038 19,182 18,260 19,539 20,879 20,244 21,247 22,451 22,239 22,986 22,440 23,198 23,387 23,934 23,655 25,126 23,438 24,245 24,067 23,284 22,204 23,153 23,818 23,830 24,340 24,791 25,017 25,658 25,915 27,029 28,350
C000098132                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         Class C                                                                                                                                                                                                                          
Accumulated Value 10,000 10,374 10,445 10,593 10,554 10,772 10,788 10,663 10,452 10,788 11,132 11,274   11,628 11,534 11,597 11,620 11,864 11,919 11,825 12,250 12,454 12,942 13,281 13,790 13,240 13,143 13,378 13,362 13,442 14,146 14,466 14,571 13,480 13,716 12,400 13,396 13,843 13,917 14,867 13,787 14,811 15,090 14,645 15,085 15,179 15,825 16,298 15,990 14,355 11,747 13,200 13,700 13,575 14,220 14,803 14,408 14,141 15,948 16,496 16,249 17,455 18,415 19,166 19,473 19,265 19,226 19,552 18,988 20,027 19,147 20,221 20,319 20,460 20,688 19,571 19,939 18,346 19,560 18,985 17,543 19,451 20,449 19,368 20,500 19,637 18,751 19,132 18,661 19,783 20,747 19,996 19,121 18,201 19,469 20,784 20,143 21,116 22,307 22,089 22,811 22,261 22,994 23,166 23,692 23,395 24,838 23,156 23,932 23,750 22,961 21,893 22,804 23,447 23,447 23,932 24,357 24,563 25,182 25,412 26,481 28,154
C000098133                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         Class I                                                                                                                                                                                                                          
Accumulated Value 1,000,000 1,038,580 1,046,296 1,061,728 1,058,662 1,081,828 1,084,144 1,073,334 1,052,485 1,087,233 1,123,597 1,137,691   1,175,274 1,166,661 1,173,708 1,176,840 1,202,679 1,209,305 1,200,679 1,245,381 1,266,555 1,317,531 1,353,044 1,405,803 1,351,421 1,341,681 1,366,843 1,366,843 1,376,583 1,449,633 1,483,642 1,495,035 1,385,492 1,410,030 1,276,519 1,378,979 1,426,919 1,436,319 1,535,018 1,424,099 1,531,258 1,562,278 1,516,706 1,564,014 1,574,422 1,643,492 1,694,036 1,662,738 1,494,508 1,223,579 1,377,138 1,429,954 1,418,217 1,486,683 1,548,871 1,508,745 1,482,663 1,673,262 1,731,652 1,707,391 1,834,763 1,937,873 2,018,744 2,052,104 2,032,897 2,029,864 2,066,256 2,008,636 2,119,833 2,028,853 2,144,349 2,156,602 2,173,311 2,198,932 2,081,968 2,123,184 1,954,978 2,086,423 2,027,384 1,874,773 2,079,740 2,187,793 2,073,153 2,197,148 2,105,600 2,012,893 2,054,611 2,007,099 2,128,777 2,234,231 2,155,430 2,063,882 1,965,381 2,103,282 2,248,810 2,180,736 2,288,221 2,418,396 2,396,899 2,476,915 2,419,590 2,501,995 2,522,298 2,582,011 2,552,154 2,710,992 2,529,311 2,617,232 2,599,393 2,515,295 2,399,341 2,501,278 2,573,908 2,576,457 2,631,248 2,680,942 2,706,426 2,776,508 2,804,881 2,924,725 3,065,675
EATON VANCE Index: S&P 500                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                                                                                                                                                                                                                          
Accumulated Value 10,000 10,664 10,705 10,898 10,926 11,329 11,345 11,347 11,140 11,552 11,781 12,004   12,481 12,495 12,624 12,801 12,881 13,146 13,186 13,458 13,772 14,195 14,352 15,174 14,615 14,244 14,298 14,643 14,733 15,281 15,779 15,869 14,784 15,085 13,723 14,823 15,299 15,596 16,228 15,196 16,267 16,501 16,240 16,544 16,902 17,516 18,044 18,037 16,552 14,508 16,368 17,147 17,488 18,474 19,802 19,050 18,543 20,573 21,364 21,148 21,732 22,683 23,894 24,061 24,622 25,207 25,974 24,766 26,501 26,317 27,497 26,074 25,293 26,232 23,945 23,989 22,009 24,038 23,058 20,934 22,629 23,893 22,517 23,932 23,348 24,205 24,583 24,690 26,321 27,167 26,734 25,459 24,924 27,200 28,436 28,914 30,458 31,438 30,154 31,649 32,784 33,183 33,988 34,714 34,399 36,419 35,551 36,541 36,064 34,032 33,801 35,929 37,756 38,603 39,386 40,823 41,779 41,881 41,907 42,515 42,249
EATON VANCE Index: S&P 500                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                                                                                                                                                                                                                          
Accumulated Value 10,000 10,664 10,705 10,898 10,926 11,329 11,345 11,347 11,140 11,552 11,781 12,004   12,481 12,495 12,624 12,801 12,881 13,146 13,186 13,458 13,772 14,195 14,352 15,174 14,615 14,244 14,298 14,643 14,733 15,281 15,779 15,869 14,784 15,085 13,723 14,823 15,299 15,596 16,228 15,196 16,267 16,501 16,240 16,544 16,902 17,516 18,044 18,037 16,552 14,508 16,368 17,147 17,488 18,474 19,802 19,050 18,543 20,573 21,364 21,148 21,732 22,683 23,894 24,061 24,622 25,207 25,974 24,766 26,501 26,317 27,497 26,074 25,293 26,232 23,945 23,989 22,009 24,038 23,058 20,934 22,629 23,893 22,517 23,932 23,348 24,205 24,583 24,690 26,321 27,167 26,734 25,459 24,924 27,200 28,436 28,914 30,458 31,438 30,154 31,649 32,784 33,183 33,988 34,714 34,399 36,419 35,551 36,541 36,064 34,032 33,801 35,929 37,756 38,603 39,386 40,823 41,779 41,881 41,907 42,515 42,249
EATON VANCE Index: S&P 500                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                                                                                                                                                                                                                          
Accumulated Value 1,000,000 1,066,397 1,070,532 1,089,756 1,092,580 1,132,862 1,134,453 1,134,667 1,113,969 1,155,225 1,178,060 1,200,403   1,248,066 1,249,522 1,262,355 1,280,119 1,288,109 1,314,596 1,318,621 1,345,821 1,377,227 1,419,466 1,435,248 1,517,422 1,461,494 1,424,353 1,429,818 1,464,251 1,473,263 1,528,089 1,577,882 1,586,863 1,478,401 1,508,528 1,372,322 1,482,294 1,529,888 1,559,616 1,622,765 1,519,641 1,626,740 1,650,119 1,623,981 1,654,366 1,690,199 1,751,552 1,804,417 1,803,710 1,655,230 1,450,788 1,636,770 1,714,726 1,748,827 1,847,435 1,980,229 1,904,987 1,854,326 2,057,308 2,136,408 2,114,839 2,173,156 2,268,330 2,389,388 2,406,077 2,462,246 2,520,737 2,597,381 2,476,578 2,650,091 2,631,729 2,749,673 2,607,385 2,529,316 2,623,229 2,394,478 2,398,871 2,200,859 2,403,788 2,305,757 2,093,400 2,262,885 2,389,344 2,251,683 2,393,165 2,334,774 2,420,494 2,458,274 2,468,959 2,632,097 2,716,653 2,673,399 2,545,937 2,492,405 2,720,025 2,843,597 2,891,382 3,045,769 3,143,765 3,015,360 3,164,875 3,278,438 3,318,344 3,398,836 3,471,425 3,439,944 3,641,873 3,555,057 3,654,056 3,606,378 3,403,179 3,380,102 3,592,862 3,775,568 3,860,303 3,938,558 4,082,315 4,177,897 4,188,137 4,190,701 4,251,467 4,224,857
EATON VANCE Index: Russell 3000                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         Russell 3000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                                                                                                                                                                                                                          
Accumulated Value 10,000 10,701 10,767 10,960 10,982 11,418 11,447 11,465 11,217 11,719 11,948 12,173   12,625 12,634 12,768 12,898 13,015 13,260 13,286 13,610 13,907 14,329 14,472 15,235 14,674 14,379 14,434 14,841 14,938 15,434 15,976 16,002 14,824 15,121 13,714 14,891 15,414 15,640 16,264 15,212 16,280 16,522 16,185 16,469 16,824 17,463 17,968 17,948 16,478 14,212 16,095 16,955 17,343 18,328 19,656 18,940 18,531 20,785 21,721 21,624 22,300 23,099 24,290 24,401 25,002 25,425 26,150 24,977 26,666 26,260 27,294 25,688 25,041 25,854 23,533 23,502 21,536 23,556 22,677 20,574 22,261 23,423 22,052 23,571 23,020 23,635 23,887 23,980 25,618 26,536 26,024 24,784 24,127 26,377 27,776 28,084 29,604 30,559 29,214 30,594 31,542 32,128 32,827 33,506 33,260 35,473 34,389 35,474 34,794 32,765 32,545 34,608 36,366 37,167 38,027 39,339 40,183 40,293 40,285 40,910 40,728
EATON VANCE Index: Russell 3000                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         Russell 3000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                                                                                                                                                                                                                          
Accumulated Value 10,000 10,701 10,767 10,960 10,982 11,418 11,447 11,465 11,217 11,719 11,948 12,173   12,625 12,634 12,768 12,898 13,015 13,260 13,286 13,610 13,907 14,329 14,472 15,235 14,674 14,379 14,434 14,841 14,938 15,434 15,976 16,002 14,824 15,121 13,714 14,891 15,414 15,640 16,264 15,212 16,280 16,522 16,185 16,469 16,824 17,463 17,968 17,948 16,478 14,212 16,095 16,955 17,343 18,328 19,656 18,940 18,531 20,785 21,721 21,624 22,300 23,099 24,290 24,401 25,002 25,425 26,150 24,977 26,666 26,260 27,294 25,688 25,041 25,854 23,533 23,502 21,536 23,556 22,677 20,574 22,261 23,423 22,052 23,571 23,020 23,635 23,887 23,980 25,618 26,536 26,024 24,784 24,127 26,377 27,776 28,084 29,604 30,559 29,214 30,594 31,542 32,128 32,827 33,506 33,260 35,473 34,389 35,474 34,794 32,765 32,545 34,608 36,366 37,167 38,027 39,339 40,183 40,293 40,285 40,910 40,728
EATON VANCE Index: Russell 3000                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         Russell 3000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                                                                                                                                                                                                                          
Accumulated Value 1,000,000 1,070,061 1,076,693 1,095,956 1,098,209 1,141,794 1,144,706 1,146,506 1,121,700 1,171,899 1,194,766 1,217,254   1,262,526 1,263,385 1,276,776 1,289,843 1,301,483 1,326,022 1,328,577 1,360,978 1,390,678 1,432,906 1,447,227 1,523,512 1,467,356 1,437,900 1,443,365 1,484,111 1,493,817 1,543,391 1,597,591 1,600,236 1,482,406 1,512,097 1,371,367 1,489,077 1,541,446 1,563,954 1,626,406 1,521,158 1,627,999 1,652,199 1,618,519 1,646,925 1,682,378 1,746,329 1,796,752 1,794,789 1,647,844 1,421,236 1,609,465 1,695,537 1,734,300 1,832,779 1,965,553 1,893,986 1,853,107 2,078,544 2,172,053 2,162,392 2,229,983 2,309,912 2,428,986 2,440,074 2,500,244 2,542,524 2,615,032 2,497,701 2,666,606 2,626,017 2,729,426 2,568,837 2,504,130 2,585,355 2,353,339 2,350,184 2,153,571 2,355,614 2,267,704 2,057,422 2,226,143 2,342,339 2,205,187 2,357,065 2,301,973 2,363,526 2,388,708 2,398,002 2,561,751 2,653,581 2,602,357 2,478,396 2,412,697 2,637,677 2,777,584 2,808,367 2,960,386 3,055,880 2,921,416 3,059,444 3,154,157 3,212,789 3,282,727 3,350,633 3,326,028 3,547,289 3,438,865 3,547,424 3,479,441 3,276,484 3,254,502 3,460,792 3,636,610 3,716,698 3,802,709 3,933,946 4,018,258 4,029,294 4,028,473 4,090,971 4,072,829
EATON VANCE Index: Russell 1000® Growth Index                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Growth Index                                                                                                                                                                                                                          
Accumulated Value 10,000 10,670 10,572 10,778 10,735 11,242 11,186 11,227 10,964 11,202 11,341 11,723   12,210 12,351 12,634 12,962 12,928 13,272 13,515 13,691 14,221 14,653 14,767 15,813 15,398 14,976 15,028 15,687 15,838 16,303 17,195 17,291 15,744 15,912 14,544 15,851 16,418 16,885 17,648 16,533 17,669 18,068 17,929 17,932 18,437 19,255 19,836 20,279 18,898 17,039 19,560 20,874 21,783 23,459 25,879 24,662 23,824 26,263 27,471 27,268 27,262 27,730 29,617 29,207 31,040 32,063 33,261 31,399 34,118 34,327 35,053 32,044 30,683 31,883 28,033 27,381 25,212 28,238 26,923 24,306 25,726 26,899 24,839 26,910 26,590 28,408 28,688 29,995 32,047 33,126 32,829 31,044 30,602 33,937 35,440 36,324 38,803 39,486 37,811 40,074 42,777 42,049 42,925 44,141 43,995 46,848 47,262 48,197 46,465 42,551 43,305 47,136 50,141 52,034 52,616 55,411 57,424 56,383 56,034 55,187 53,356
EATON VANCE Index: Russell 1000® Growth Index                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Growth Index                                                                                                                                                                                                                          
Accumulated Value 10,000 10,670 10,572 10,778 10,735 11,242 11,186 11,227 10,964 11,202 11,341 11,723   12,210 12,351 12,634 12,962 12,928 13,272 13,515 13,691 14,221 14,653 14,767 15,813 15,398 14,976 15,028 15,687 15,838 16,303 17,195 17,291 15,744 15,912 14,544 15,851 16,418 16,885 17,648 16,533 17,669 18,068 17,929 17,932 18,437 19,255 19,836 20,279 18,898 17,039 19,560 20,874 21,783 23,459 25,879 24,662 23,824 26,263 27,471 27,268 27,262 27,730 29,617 29,207 31,040 32,063 33,261 31,399 34,118 34,327 35,053 32,044 30,683 31,883 28,033 27,381 25,212 28,238 26,923 24,306 25,726 26,899 24,839 26,910 26,590 28,408 28,688 29,995 32,047 33,126 32,829 31,044 30,602 33,937 35,440 36,324 38,803 39,486 37,811 40,074 42,777 42,049 42,925 44,141 43,995 46,848 47,262 48,197 46,465 42,551 43,305 47,136 50,141 52,034 52,616 55,411 57,424 56,383 56,034 55,187 53,356
EATON VANCE Index: Russell 1000® Growth Index                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Growth Index                                                                                                                                                                                                                          
Accumulated Value 1,000,000 1,066,986 1,057,243 1,077,774 1,073,541 1,124,214 1,118,629 1,122,720 1,096,356 1,120,210 1,134,078 1,172,294   1,220,986 1,235,109 1,263,356 1,296,206 1,292,792 1,327,153 1,351,482 1,369,053 1,422,100 1,465,303 1,476,711 1,581,301 1,539,838 1,497,611 1,502,843 1,568,714 1,583,818 1,630,314 1,719,453 1,729,064 1,574,439 1,591,162 1,454,358 1,585,084 1,641,798 1,688,529 1,764,816 1,653,327 1,766,872 1,806,769 1,792,932 1,793,154 1,843,706 1,925,499 1,983,593 2,027,937 1,889,831 1,703,917 1,956,048 2,087,366 2,178,260 2,345,853 2,587,927 2,466,165 2,382,410 2,626,349 2,747,138 2,726,812 2,726,181 2,773,017 2,961,690 2,920,726 3,103,965 3,206,261 3,326,139 3,139,856 3,411,816 3,432,676 3,505,253 3,204,414 3,068,311 3,188,337 2,803,308 2,738,137 2,521,246 2,823,848 2,692,302 2,430,568 2,572,631 2,689,858 2,483,932 2,690,961 2,659,002 2,840,761 2,868,789 2,999,543 3,204,669 3,312,633 3,282,889 3,104,353 3,060,155 3,393,745 3,544,027 3,632,421 3,880,250 3,948,559 3,781,078 4,007,433 4,277,660 4,204,895 4,292,474 4,414,083 4,399,475 4,684,827 4,726,181 4,819,666 4,646,511 4,255,091 4,330,452 4,713,613 5,014,137 5,203,432 5,261,606 5,541,118 5,742,400 5,638,331 5,603,377 5,518,678 5,335,642
EATON VANCE Index: Russell 1000® Value Index                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Value Index                                                                                                                                                                                                                          
Accumulated Value 10,000 10,718 10,943 11,113 11,209 11,534 11,623 11,599 11,419 12,072 12,373 12,462   12,909 12,778 12,754 12,741 12,950 13,122 12,969 13,353 13,450 13,862 14,064 14,608 13,910 13,666 13,711 13,792 13,826 14,374 14,586 14,615 13,858 14,272 12,901 13,906 14,350 14,441 14,953 13,992 14,996 15,121 14,676 15,200 15,412 15,889 16,326 15,974 14,427 11,962 13,307 13,763 13,671 14,212 14,799 14,436 14,246 16,162 16,782 16,628 17,633 18,671 19,418 19,871 19,643 19,800 20,193 19,490 20,480 19,758 21,005 20,515 20,277 20,850 19,674 20,056 18,304 19,517 18,936 17,275 19,047 20,237 19,421 20,428 19,707 19,617 19,912 19,144 20,416 21,134 20,563 19,770 19,072 20,511 21,647 21,670 22,469 23,593 22,585 23,301 23,082 24,262 24,912 25,258 24,980 26,575 24,758 25,904 26,009 25,287 24,516 25,377 26,244 26,395 27,236 27,643 27,765 28,503 28,696 30,006 30,791
EATON VANCE Index: Russell 1000® Value Index                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Value Index                                                                                                                                                                                                                          
Accumulated Value 10,000 10,718 10,943 11,113 11,209 11,534 11,623 11,599 11,419 12,072 12,373 12,462   12,909 12,778 12,754 12,741 12,950 13,122 12,969 13,353 13,450 13,862 14,064 14,608 13,910 13,666 13,711 13,792 13,826 14,374 14,586 14,615 13,858 14,272 12,901 13,906 14,350 14,441 14,953 13,992 14,996 15,121 14,676 15,200 15,412 15,889 16,326 15,974 14,427 11,962 13,307 13,763 13,671 14,212 14,799 14,436 14,246 16,162 16,782 16,628 17,633 18,671 19,418 19,871 19,643 19,800 20,193 19,490 20,480 19,758 21,005 20,515 20,277 20,850 19,674 20,056 18,304 19,517 18,936 17,275 19,047 20,237 19,421 20,428 19,707 19,617 19,912 19,144 20,416 21,134 20,563 19,770 19,072 20,511 21,647 21,670 22,469 23,593 22,585 23,301 23,082 24,262 24,912 25,258 24,980 26,575 24,758 25,904 26,009 25,287 24,516 25,377 26,244 26,395 27,236 27,643 27,765 28,503 28,696 30,006 30,791
EATON VANCE Index: Russell 1000® Value Index                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Value Index                                                                                                                                                                                                                          
Accumulated Value $ 1,000,000 $ 1,071,764 $ 1,094,278 $ 1,111,275 $ 1,120,884 $ 1,153,430 $ 1,162,323 $ 1,159,901 $ 1,141,949 $ 1,207,171 $ 1,237,341 $ 1,246,156   $ 1,290,935 $ 1,277,785 $ 1,275,387 $ 1,274,137 $ 1,294,966 $ 1,312,176 $ 1,296,892 $ 1,335,302 $ 1,344,998 $ 1,386,183 $ 1,406,418 $ 1,460,792 $ 1,391,038 $ 1,366,568 $ 1,371,080 $ 1,379,219 $ 1,382,634 $ 1,437,358 $ 1,458,603 $ 1,461,495 $ 1,385,817 $ 1,427,191 $ 1,290,145 $ 1,390,563 $ 1,434,993 $ 1,444,117 $ 1,495,341 $ 1,399,195 $ 1,499,636 $ 1,512,066 $ 1,467,604 $ 1,519,964 $ 1,541,210 $ 1,588,858 $ 1,632,567 $ 1,597,445 $ 1,442,738 $ 1,196,182 $ 1,330,659 $ 1,376,259 $ 1,367,124 $ 1,421,171 $ 1,479,936 $ 1,443,584 $ 1,424,612 $ 1,616,242 $ 1,678,208 $ 1,662,838 $ 1,763,329 $ 1,867,090 $ 1,941,757 $ 1,987,087 $ 1,964,331 $ 1,980,031 $ 2,019,298 $ 1,949,010 $ 2,047,976 $ 1,975,805 $ 2,100,451 $ 2,051,524 $ 2,027,717 $ 2,084,958 $ 1,967,358 $ 2,005,603 $ 1,830,369 $ 1,951,746 $ 1,893,593 $ 1,727,549 $ 1,904,675 $ 2,023,701 $ 1,942,122 $ 2,042,764 $ 1,970,738 $ 1,961,662 $ 1,991,219 $ 1,914,422 $ 2,041,591 $ 2,113,383 $ 2,056,329 $ 1,976,977 $ 1,907,225 $ 2,051,125 $ 2,164,742 $ 2,166,983 $ 2,246,923 $ 2,359,257 $ 2,258,480 $ 2,330,074 $ 2,308,156 $ 2,426,153 $ 2,491,235 $ 2,525,813 $ 2,498,014 $ 2,657,534 $ 2,475,779 $ 2,590,370 $ 2,600,888 $ 2,528,656 $ 2,451,586 $ 2,537,673 $ 2,624,418 $ 2,639,487 $ 2,723,609 $ 2,764,294 $ 2,776,499 $ 2,850,252 $ 2,869,584 $ 3,000,553 $ 3,079,125