Shareholder Report, Line Graph (Details) - USD ($) |
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| C000250247 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accumulated Value | $ 10,000 | $ 33,052 | $ 28,261 | $ 30,581 | $ 30,449 | $ 29,657 | $ 30,109 | $ 30,392 | $ 29,487 | $ 28,827 | $ 29,279 | $ 28,845 | $ 27,374 | $ 25,129 | $ 24,601 | $ 26,978 | $ 27,676 | $ 26,374 | $ 27,053 | $ 26,034 | $ 27,280 | $ 27,298 | $ 26,317 | $ 27,261 | $ 26,487 | $ 25,714 | $ 27,412 | $ 26,789 | $ 25,374 | $ 24,506 | $ 23,280 | $ 20,997 | $ 21,412 | $ 22,790 | $ 23,148 | $ 23,073 | $ 22,167 | $ 21,997 | $ 21,488 | $ 19,884 | $ 20,394 | $ 18,375 | $ 19,318 | $ 17,432 | $ 16,375 | $ 18,224 | $ 19,620 | $ 17,296 | $ 18,659 | $ 19,214 | $ 21,306 | $ 21,005 | $ 21,354 | $ 23,050 | $ 21,960 | $ 22,889 | $ 21,884 | $ 22,706 | $ 22,127 | $ 21,747 | $ 21,234 | $ 21,054 | $ 19,900 | $ 19,258 | $ 18,527 | $ 19,104 | $ 18,108 | $ 16,145 | $ 16,578 | $ 16,952 | $ 15,843 | $ 14,826 | $ 14,734 | $ 13,999 | $ 12,585 | $ 14,274 | $ 15,343 | $ 15,665 | $ 15,405 | $ 14,964 | $ 14,389 | $ 14,266 | $ 14,358 | $ 14,245 | $ 13,414 | $ 14,091 | $ 13,722 | $ 13,332 | $ 12,644 | $ 11,813 | $ 12,792 | $ 12,394 | $ 13,247 | $ 13,200 | $ 13,095 | $ 12,574 | $ 12,631 | $ 12,404 | $ 12,385 | $ 12,366 | $ 13,048 | $ 12,356 | $ 12,204 | $ 11,931 | $ 11,722 | $ 11,376 | $ 11,276 | $ 11,239 | $ 11,221 | $ 10,948 | $ 10,593 | $ 10,484 | $ 10,220 | $ 9,901 | $ 9,720 | $ 9,693 | $ 10,234 | $ 10,216 | $ 10,388 | $ 10,054 | $ 10,063 | |
| C000047292 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accumulated Value | 10,000 | 31,103 | 26,609 | 28,820 | 28,713 | 27,964 | 28,410 | 28,696 | 27,840 | 27,233 | 27,679 | 27,269 | 25,913 | 23,791 | 23,310 | 25,557 | 26,252 | 25,022 | 25,682 | 24,718 | 25,931 | 25,949 | 25,040 | 25,949 | 25,236 | 24,504 | 26,127 | 25,539 | 24,201 | 23,381 | 22,222 | 20,046 | 20,456 | 21,794 | 22,133 | 22,061 | 21,223 | 21,045 | 20,581 | 19,047 | 19,547 | 17,620 | 18,530 | 16,729 | 15,712 | 17,496 | 18,851 | 16,635 | 17,942 | 18,498 | 20,512 | 20,226 | 20,572 | 22,225 | 21,188 | 22,103 | 21,130 | 21,958 | 21,406 | 21,045 | 20,566 | 20,406 | 19,286 | 18,671 | 17,970 | 18,548 | 17,592 | 15,689 | 16,118 | 16,501 | 15,422 | 14,428 | 14,351 | 13,640 | 12,274 | 13,929 | 14,973 | 15,306 | 15,055 | 14,625 | 14,084 | 13,964 | 14,064 | 13,964 | 13,152 | 13,823 | 13,463 | 13,092 | 12,421 | 11,610 | 12,586 | 12,194 | 13,043 | 13,006 | 12,913 | 12,399 | 12,464 | 12,250 | 12,240 | 12,222 | 12,913 | 12,231 | 12,090 | 11,819 | 11,621 | 11,278 | 11,188 | 11,161 | 11,152 | 10,881 | 10,538 | 10,439 | 10,177 | 9,862 | 9,684 | 9,666 | 10,216 | 10,198 | 10,370 | 10,054 | 10,063 | |
| C000007415 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accumulated Value | 10,000 | 32,996 | 28,204 | 30,543 | 30,411 | 29,619 | 30,072 | 30,355 | 29,449 | 28,789 | 29,260 | 28,808 | 27,355 | 25,110 | 24,582 | 26,959 | 27,676 | 26,374 | 27,053 | 26,016 | 27,280 | 27,298 | 26,317 | 27,280 | 26,506 | 25,714 | 27,412 | 26,789 | 25,374 | 24,506 | 23,280 | 20,997 | 21,412 | 22,790 | 23,148 | 23,073 | 22,167 | 21,997 | 21,488 | 19,884 | 20,394 | 18,375 | 19,318 | 17,432 | 16,375 | 18,224 | 19,620 | 17,296 | 18,659 | 19,214 | 21,306 | 21,005 | 21,354 | 23,050 | 21,960 | 22,889 | 21,884 | 22,706 | 22,127 | 21,747 | 21,234 | 21,054 | 19,900 | 19,258 | 18,527 | 19,104 | 18,108 | 16,145 | 16,578 | 16,952 | 15,843 | 14,826 | 14,734 | 13,999 | 12,585 | 14,274 | 15,343 | 15,665 | 15,405 | 14,964 | 14,389 | 14,266 | 14,358 | 14,245 | 13,414 | 14,091 | 13,722 | 13,332 | 12,644 | 11,813 | 12,792 | 12,394 | 13,247 | 13,200 | 13,095 | 12,574 | 12,631 | 12,404 | 12,385 | 12,366 | 13,048 | 12,356 | 12,204 | 11,931 | 11,722 | 11,376 | 11,276 | 11,239 | 11,221 | 10,948 | 10,593 | 10,484 | 10,220 | 9,901 | 9,720 | 9,693 | 10,234 | 10,216 | 10,388 | 10,054 | 10,063 | |
| C000007412 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accumulated Value | 9,475 | 30,464 | 26,061 | 28,210 | 28,104 | 27,382 | 27,805 | 28,069 | 27,224 | 26,625 | 27,065 | 26,660 | 25,322 | 23,244 | 22,769 | 24,970 | 25,621 | 24,424 | 25,058 | 24,124 | 25,287 | 25,304 | 24,406 | 25,287 | 24,582 | 23,860 | 25,445 | 24,864 | 23,561 | 22,769 | 21,624 | 19,493 | 19,898 | 21,184 | 21,518 | 21,448 | 20,620 | 20,462 | 19,986 | 18,507 | 18,983 | 17,098 | 17,979 | 16,236 | 15,249 | 16,975 | 18,296 | 16,126 | 17,398 | 17,916 | 19,869 | 19,588 | 19,914 | 21,511 | 20,500 | 21,383 | 20,429 | 21,212 | 20,686 | 20,320 | 19,852 | 19,696 | 18,603 | 18,003 | 17,331 | 17,871 | 16,943 | 15,115 | 15,521 | 15,882 | 14,844 | 13,891 | 13,816 | 13,116 | 11,801 | 13,385 | 14,387 | 14,700 | 14,449 | 14,044 | 13,513 | 13,397 | 13,493 | 13,387 | 12,605 | 13,242 | 12,895 | 12,538 | 11,882 | 11,109 | 12,038 | 11,663 | 12,467 | 12,422 | 12,333 | 11,841 | 11,895 | 11,689 | 11,680 | 11,654 | 12,306 | 11,654 | 11,513 | 11,263 | 11,057 | 10,738 | 10,644 | 10,618 | 10,601 | 10,343 | 10,016 | 9,912 | 9,663 | 9,362 | 9,193 | 9,167 | 9,689 | 9,672 | 9,826 | 9,518 | 9,535 | |
| C000007414 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accumulated Value | 10,000 | 30,162 | 25,804 | 27,931 | 27,826 | 27,111 | 27,530 | 27,791 | 26,954 | 26,362 | 26,797 | 26,396 | 25,071 | 23,014 | 22,543 | 24,723 | 25,368 | 24,182 | 24,810 | 23,886 | 25,037 | 25,054 | 24,165 | 25,037 | 24,339 | 23,624 | 25,214 | 24,655 | 23,380 | 22,593 | 21,493 | 19,378 | 19,798 | 21,091 | 21,423 | 21,370 | 20,566 | 20,409 | 19,955 | 18,487 | 18,976 | 17,107 | 17,998 | 16,268 | 15,289 | 17,019 | 18,347 | 16,194 | 17,473 | 18,018 | 19,989 | 19,724 | 20,062 | 21,680 | 20,675 | 21,586 | 20,646 | 21,444 | 20,917 | 20,568 | 20,110 | 19,965 | 18,878 | 18,287 | 17,611 | 18,178 | 17,240 | 15,392 | 15,817 | 16,195 | 15,151 | 14,179 | 14,113 | 13,421 | 12,070 | 13,707 | 14,750 | 15,080 | 14,834 | 14,426 | 13,889 | 13,770 | 13,879 | 13,780 | 12,984 | 13,650 | 13,302 | 12,944 | 12,277 | 11,481 | 12,453 | 12,068 | 12,912 | 12,884 | 12,790 | 12,284 | 12,349 | 12,143 | 12,143 | 12,124 | 12,809 | 12,143 | 12,002 | 11,748 | 11,549 | 11,214 | 11,123 | 11,105 | 11,096 | 10,833 | 10,489 | 10,399 | 10,136 | 9,837 | 9,656 | 9,647 | 10,190 | 10,181 | 10,353 | 10,036 | 10,054 | |
| MSCI World Index (Net) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | MSCI World Index (Net) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accumulated Value | 10,000 | 32,917 | 30,036 | 32,080 | 31,846 | 31,149 | 30,900 | 30,813 | 30,208 | 29,267 | 28,523 | 28,160 | 26,995 | 25,487 | 25,262 | 26,439 | 26,631 | 25,723 | 26,412 | 25,253 | 25,764 | 25,301 | 24,649 | 24,222 | 23,739 | 22,724 | 23,601 | 22,866 | 21,936 | 21,676 | 20,662 | 18,891 | 19,455 | 20,332 | 20,830 | 20,153 | 19,004 | 19,195 | 18,865 | 18,299 | 18,750 | 17,511 | 18,287 | 17,099 | 15,953 | 17,588 | 18,355 | 17,005 | 18,618 | 18,604 | 20,289 | 19,747 | 20,260 | 21,392 | 20,515 | 20,974 | 19,850 | 20,710 | 20,207 | 19,851 | 19,560 | 19,282 | 18,425 | 17,831 | 17,386 | 17,560 | 16,846 | 14,936 | 15,409 | 15,960 | 14,960 | 14,277 | 13,909 | 13,268 | 11,961 | 13,786 | 15,059 | 15,151 | 14,710 | 14,312 | 13,957 | 13,666 | 13,951 | 13,882 | 13,024 | 13,822 | 13,348 | 13,175 | 12,791 | 11,867 | 12,844 | 12,700 | 13,706 | 13,630 | 13,464 | 13,056 | 13,062 | 12,981 | 12,833 | 13,119 | 13,686 | 13,000 | 12,826 | 12,554 | 12,321 | 12,051 | 12,034 | 11,753 | 11,708 | 11,465 | 11,298 | 11,179 | 10,877 | 10,621 | 10,373 | 10,225 | 10,427 | 10,372 | 10,364 | 9,943 | 10,056 | |
| MSCI World Index (Net) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | MSCI World Index (Net) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accumulated Value | 10,000 | 32,917 | 30,036 | 32,080 | 31,846 | 31,149 | 30,900 | 30,813 | 30,208 | 29,267 | 28,523 | 28,160 | 26,995 | 25,487 | 25,262 | 26,439 | 26,631 | 25,723 | 26,412 | 25,253 | 25,764 | 25,301 | 24,649 | 24,222 | 23,739 | 22,724 | 23,601 | 22,866 | 21,936 | 21,676 | 20,662 | 18,891 | 19,455 | 20,332 | 20,830 | 20,153 | 19,004 | 19,195 | 18,865 | 18,299 | 18,750 | 17,511 | 18,287 | 17,099 | 15,953 | 17,588 | 18,355 | 17,005 | 18,618 | 18,604 | 20,289 | 19,747 | 20,260 | 21,392 | 20,515 | 20,974 | 19,850 | 20,710 | 20,207 | 19,851 | 19,560 | 19,282 | 18,425 | 17,831 | 17,386 | 17,560 | 16,846 | 14,936 | 15,409 | 15,960 | 14,960 | 14,277 | 13,909 | 13,268 | 11,961 | 13,786 | 15,059 | 15,151 | 14,710 | 14,312 | 13,957 | 13,666 | 13,951 | 13,882 | 13,024 | 13,822 | 13,348 | 13,175 | 12,791 | 11,867 | 12,844 | 12,700 | 13,706 | 13,630 | 13,464 | 13,056 | 13,062 | 12,981 | 12,833 | 13,119 | 13,686 | 13,000 | 12,826 | 12,554 | 12,321 | 12,051 | 12,034 | 11,753 | 11,708 | 11,465 | 11,298 | 11,179 | 10,877 | 10,621 | 10,373 | 10,225 | 10,427 | 10,372 | 10,364 | 9,943 | 10,056 | |
| MSCI World Index (Net) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | MSCI World Index (Net) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accumulated Value | 10,000 | 32,917 | 30,036 | 32,080 | 31,846 | 31,149 | 30,900 | 30,813 | 30,208 | 29,267 | 28,523 | 28,160 | 26,995 | 25,487 | 25,262 | 26,439 | 26,631 | 25,723 | 26,412 | 25,253 | 25,764 | 25,301 | 24,649 | 24,222 | 23,739 | 22,724 | 23,601 | 22,866 | 21,936 | 21,676 | 20,662 | 18,891 | 19,455 | 20,332 | 20,830 | 20,153 | 19,004 | 19,195 | 18,865 | 18,299 | 18,750 | 17,511 | 18,287 | 17,099 | 15,953 | 17,588 | 18,355 | 17,005 | 18,618 | 18,604 | 20,289 | 19,747 | 20,260 | 21,392 | 20,515 | 20,974 | 19,850 | 20,710 | 20,207 | 19,851 | 19,560 | 19,282 | 18,425 | 17,831 | 17,386 | 17,560 | 16,846 | 14,936 | 15,409 | 15,960 | 14,960 | 14,277 | 13,909 | 13,268 | 11,961 | 13,786 | 15,059 | 15,151 | 14,710 | 14,312 | 13,957 | 13,666 | 13,951 | 13,882 | 13,024 | 13,822 | 13,348 | 13,175 | 12,791 | 11,867 | 12,844 | 12,700 | 13,706 | 13,630 | 13,464 | 13,056 | 13,062 | 12,981 | 12,833 | 13,119 | 13,686 | 13,000 | 12,826 | 12,554 | 12,321 | 12,051 | 12,034 | 11,753 | 11,708 | 11,465 | 11,298 | 11,179 | 10,877 | 10,621 | 10,373 | 10,225 | 10,427 | 10,372 | 10,364 | 9,943 | 10,056 | |
| MSCI World Index (Net) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | MSCI World Index (Net) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accumulated Value | 10,000 | 32,917 | 30,036 | 32,080 | 31,846 | 31,149 | 30,900 | 30,813 | 30,208 | 29,267 | 28,523 | 28,160 | 26,995 | 25,487 | 25,262 | 26,439 | 26,631 | 25,723 | 26,412 | 25,253 | 25,764 | 25,301 | 24,649 | 24,222 | 23,739 | 22,724 | 23,601 | 22,866 | 21,936 | 21,676 | 20,662 | 18,891 | 19,455 | 20,332 | 20,830 | 20,153 | 19,004 | 19,195 | 18,865 | 18,299 | 18,750 | 17,511 | 18,287 | 17,099 | 15,953 | 17,588 | 18,355 | 17,005 | 18,618 | 18,604 | 20,289 | 19,747 | 20,260 | 21,392 | 20,515 | 20,974 | 19,850 | 20,710 | 20,207 | 19,851 | 19,560 | 19,282 | 18,425 | 17,831 | 17,386 | 17,560 | 16,846 | 14,936 | 15,409 | 15,960 | 14,960 | 14,277 | 13,909 | 13,268 | 11,961 | 13,786 | 15,059 | 15,151 | 14,710 | 14,312 | 13,957 | 13,666 | 13,951 | 13,882 | 13,024 | 13,822 | 13,348 | 13,175 | 12,791 | 11,867 | 12,844 | 12,700 | 13,706 | 13,630 | 13,464 | 13,056 | 13,062 | 12,981 | 12,833 | 13,119 | 13,686 | 13,000 | 12,826 | 12,554 | 12,321 | 12,051 | 12,034 | 11,753 | 11,708 | 11,465 | 11,298 | 11,179 | 10,877 | 10,621 | 10,373 | 10,225 | 10,427 | 10,372 | 10,364 | 9,943 | 10,056 | |
| MSCI World Index (Net) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | MSCI World Index (Net) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accumulated Value | $ 10,000 | $ 32,917 | $ 30,036 | $ 32,080 | $ 31,846 | $ 31,149 | $ 30,900 | $ 30,813 | $ 30,208 | $ 29,267 | $ 28,523 | $ 28,160 | $ 26,995 | $ 25,487 | $ 25,262 | $ 26,439 | $ 26,631 | $ 25,723 | $ 26,412 | $ 25,253 | $ 25,764 | $ 25,301 | $ 24,649 | $ 24,222 | $ 23,739 | $ 22,724 | $ 23,601 | $ 22,866 | $ 21,936 | $ 21,676 | $ 20,662 | $ 18,891 | $ 19,455 | $ 20,332 | $ 20,830 | $ 20,153 | $ 19,004 | $ 19,195 | $ 18,865 | $ 18,299 | $ 18,750 | $ 17,511 | $ 18,287 | $ 17,099 | $ 15,953 | $ 17,588 | $ 18,355 | $ 17,005 | $ 18,618 | $ 18,604 | $ 20,289 | $ 19,747 | $ 20,260 | $ 21,392 | $ 20,515 | $ 20,974 | $ 19,850 | $ 20,710 | $ 20,207 | $ 19,851 | $ 19,560 | $ 19,282 | $ 18,425 | $ 17,831 | $ 17,386 | $ 17,560 | $ 16,846 | $ 14,936 | $ 15,409 | $ 15,960 | $ 14,960 | $ 14,277 | $ 13,909 | $ 13,268 | $ 11,961 | $ 13,786 | $ 15,059 | $ 15,151 | $ 14,710 | $ 14,312 | $ 13,957 | $ 13,666 | $ 13,951 | $ 13,882 | $ 13,024 | $ 13,822 | $ 13,348 | $ 13,175 | $ 12,791 | $ 11,867 | $ 12,844 | $ 12,700 | $ 13,706 | $ 13,630 | $ 13,464 | $ 13,056 | $ 13,062 | $ 12,981 | $ 12,833 | $ 13,119 | $ 13,686 | $ 13,000 | $ 12,826 | $ 12,554 | $ 12,321 | $ 12,051 | $ 12,034 | $ 11,753 | $ 11,708 | $ 11,465 | $ 11,298 | $ 11,179 | $ 10,877 | $ 10,621 | $ 10,373 | $ 10,225 | $ 10,427 | $ 10,372 | $ 10,364 | $ 9,943 | $ 10,056 | |