v3.26.3
Shareholder Report, Line Graph (Details) - USD ($)
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Jul. 31, 2016
Aug. 31, 2016
Sep. 30, 2016
Oct. 31, 2016
Nov. 30, 2016
Dec. 31, 2016
Jan. 31, 2017
Feb. 28, 2017
Mar. 31, 2017
Apr. 30, 2017
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Jun. 30, 2017
Jul. 31, 2026
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
Mar. 31, 2026
Apr. 30, 2026
May 31, 2026
Jun. 30, 2026
Jul. 31, 2026
C000162463                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         Class A with Maximum Sales Charge                                                                                                                                                                                                                          
Accumulated Value $ 9,675 $ 9,871 $ 9,953 $ 9,979 $ 9,686 $ 9,809 $ 9,890 $ 10,026 $ 10,130 $ 10,256 $ 10,340 $ 10,457   $ 10,563 $ 10,748 $ 10,878 $ 10,851 $ 10,949 $ 11,042 $ 11,246 $ 11,206 $ 11,271 $ 11,243 $ 10,977 $ 10,758 $ 10,861 $ 10,531 $ 10,562 $ 10,484 $ 10,553 $ 10,551 $ 10,937 $ 11,012 $ 11,012 $ 11,050 $ 11,113 $ 11,448 $ 11,733 $ 11,618 $ 11,803 $ 11,949 $ 12,110 $ 12,433 $ 12,502 $ 12,340 $ 10,666 $ 10,970 $ 11,724 $ 12,149 $ 12,225 $ 12,471 $ 12,392 $ 12,484 $ 12,950 $ 13,318 $ 13,368 $ 13,359 $ 13,144 $ 13,373 $ 13,558 $ 13,534 $ 13,435 $ 13,654 $ 13,554 $ 13,453 $ 13,274 $ 13,483 $ 13,302 $ 12,630 $ 12,558 $ 12,453 $ 12,348 $ 11,739 $ 11,616 $ 11,969 $ 11,579 $ 11,654 $ 12,302 $ 12,615 $ 12,982 $ 12,869 $ 12,877 $ 12,902 $ 13,016 $ 13,397 $ 13,620 $ 13,484 $ 13,419 $ 13,373 $ 13,713 $ 14,018 $ 14,194 $ 14,541 $ 14,890 $ 14,899 $ 15,157 $ 15,146 $ 15,311 $ 15,477 $ 15,723 $ 15,732 $ 15,881 $ 16,051 $ 16,486 $ 16,659 $ 16,586 $ 16,450 $ 16,855 $ 17,137 $ 17,379 $ 17,602 $ 17,847 $ 18,180 $ 18,384 $ 18,768 $ 19,369 $ 19,629 $ 19,044 $ 19,792 $ 19,942 $ 20,232 $ 20,327
C000162464                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         Class I                                                                                                                                                                                                                          
Accumulated Value 1,000,000 1,020,170 1,029,724 1,032,696 1,001,533 1,014,468 1,023,081 1,038,434 1,049,407 1,061,581 1,070,426 1,083,884   1,095,131 1,113,364 1,128,246 1,125,676 1,136,023 1,145,967 1,167,274 1,163,423 1,170,452 1,167,780 1,140,569 1,116,895 1,127,800 1,093,820 1,097,332 1,089,476 1,098,150 1,096,951 1,138,514 1,146,581 1,146,831 1,151,009 1,157,854 1,192,874 1,222,779 1,211,100 1,229,189 1,246,067 1,263,054 1,296,979 1,304,436 1,287,909 1,112,554 1,144,532 1,223,299 1,267,756 1,277,449 1,303,375 1,293,970 1,305,332 1,354,233 1,392,893 1,396,884 1,396,253 1,374,190 1,398,351 1,418,016 1,417,436 1,405,819 1,429,026 1,418,867 1,410,227 1,391,871 1,414,034 1,395,458 1,323,879 1,316,629 1,305,985 1,295,252 1,231,831 1,219,322 1,256,560 1,215,999 1,224,114 1,292,293 1,325,423 1,364,138 1,352,630 1,353,789 1,356,775 1,369,014 1,411,121 1,432,944 1,419,016 1,414,522 1,408,078 1,444,062 1,476,427 1,495,294 1,532,094 1,569,162 1,570,425 1,597,938 1,597,200 1,614,872 1,632,685 1,658,935 1,660,238 1,678,436 1,694,626 1,740,849 1,759,404 1,752,087 1,740,355 1,781,277 1,811,468 1,837,381 1,861,229 1,887,498 1,925,362 1,945,150 1,986,104 2,050,471 2,080,816 2,017,029 2,096,549 2,112,806 2,143,996 2,155,499
C000117767                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         Class R6                                                                                                                                                                                                                          
Accumulated Value 5,000,000 5,101,171 5,149,095 5,164,111 5,013,286 5,072,894 5,116,269 5,193,467 5,248,637 5,315,488 5,360,037 5,422,024   5,478,582 5,576,027 5,645,004 5,632,225 5,684,277 5,734,309 5,841,382 5,822,172 5,857,580 5,844,288 5,707,800 5,595,294 5,643,939 5,473,450 5,491,210 5,451,889 5,495,574 5,489,685 5,698,552 5,739,198 5,740,589 5,761,703 5,796,220 5,972,273 6,115,796 6,064,033 6,155,047 6,233,113 6,325,496 6,496,097 6,533,710 6,450,729 5,576,776 5,737,613 6,133,597 6,349,889 6,398,680 6,529,066 6,481,868 6,539,052 6,785,020 6,979,520 6,999,658 6,996,639 6,885,870 7,007,499 7,106,531 7,103,777 7,053,409 7,162,300 7,111,290 7,067,920 6,975,685 7,087,312 6,993,913 6,634,048 6,606,094 6,552,701 6,498,857 6,179,875 6,117,030 6,304,459 6,100,481 6,141,399 6,484,531 6,651,409 6,846,310 6,788,583 6,794,600 6,809,812 6,871,500 7,083,684 7,193,783 7,123,768 7,091,766 7,069,167 7,250,515 7,413,651 7,508,840 7,694,323 7,881,171 7,887,730 8,026,375 8,022,866 8,112,066 8,201,987 8,334,402 8,341,176 8,433,153 8,514,920 8,758,817 8,841,668 8,804,947 8,746,059 8,963,603 9,115,939 9,235,502 9,355,814 9,499,871 9,679,443 9,790,929 9,998,286 10,311,560 10,464,882 10,143,579 10,544,696 10,639,470 10,797,048 10,855,374
EATON VANCE Index: J.P. Morgan Emerging Market Bond Index Global Diversified                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         J.P. Morgan Emerging Market Bond Index Global Diversified                                                                                                                                                                                                                          
Accumulated Value 10,000 10,004 10,206 10,120 9,409 9,585 9,800 9,977 10,208 10,327 10,529 10,578   10,797 10,991 10,953 10,645 10,824 11,043 11,537 11,417 11,533 11,192 10,635 10,331 10,527 9,887 10,143 9,944 10,223 10,357 10,922 10,803 10,659 10,641 10,672 11,260 11,364 11,064 11,171 11,495 11,286 11,752 11,601 11,205 9,964 10,355 10,891 10,942 11,273 11,236 11,009 11,056 11,663 12,069 11,939 11,619 11,263 11,517 11,805 11,661 11,611 11,701 11,299 11,149 10,844 11,013 11,012 10,462 10,302 9,681 9,851 9,413 9,440 9,427 8,968 8,889 9,521 9,726 10,144 9,823 10,228 10,316 10,153 10,484 10,786 10,496 10,143 10,089 10,621 10,961 10,795 10,733 10,730 10,500 10,670 10,554 10,795 11,126 11,504 10,973 10,911 10,700 10,920 10,992 11,162 11,524 11,687 12,012 11,922 12,179 12,349 12,406 12,574 12,761 13,039 13,207 12,474 12,820 12,930 12,955 12,994
EATON VANCE Index: J.P. Morgan Emerging Market Bond Index Global Diversified                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         J.P. Morgan Emerging Market Bond Index Global Diversified                                                                                                                                                                                                                          
Accumulated Value 1,000,000 1,000,402 1,020,642 1,012,013 940,852 958,462 980,045 997,704 1,020,778 1,032,700 1,052,946 1,057,765   1,079,702 1,099,063 1,095,331 1,064,455 1,082,390 1,104,272 1,153,731 1,141,685 1,153,344 1,119,239 1,063,534 1,033,145 1,052,724 988,653 1,014,289 994,416 1,022,335 1,035,685 1,092,206 1,080,267 1,065,933 1,064,064 1,067,209 1,126,007 1,136,449 1,106,447 1,117,084 1,149,452 1,128,561 1,175,216 1,160,093 1,120,537 996,440 1,035,505 1,089,123 1,094,249 1,127,289 1,123,590 1,100,937 1,105,626 1,166,303 1,206,873 1,193,935 1,161,944 1,126,275 1,151,723 1,180,458 1,166,118 1,161,135 1,170,084 1,129,933 1,114,927 1,084,431 1,101,304 1,101,246 1,046,179 1,030,155 968,075 985,143 941,276 944,032 942,707 896,795 888,883 952,053 972,615 1,014,367 982,269 1,022,787 1,031,604 1,015,316 1,048,414 1,078,581 1,049,601 1,014,263 1,008,924 1,062,085 1,096,148 1,079,454 1,073,262 1,072,958 1,050,031 1,066,971 1,055,446 1,079,454 1,112,597 1,150,367 1,097,281 1,091,056 1,070,040 1,091,992 1,099,177 1,116,167 1,152,397 1,168,689 1,201,243 1,192,231 1,217,913 1,234,933 1,240,625 1,257,360 1,276,143 1,303,911 1,320,710 1,247,435 1,282,046 1,292,973 1,295,506 1,299,410
EATON VANCE Index: J.P. Morgan Emerging Market Bond Index Global Diversified                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         J.P. Morgan Emerging Market Bond Index Global Diversified                                                                                                                                                                                                                          
Accumulated Value 5,000,000 5,002,008 5,103,212 5,060,063 4,704,259 4,792,308 4,900,223 4,988,522 5,103,890 5,163,502 5,264,730 5,288,826   5,398,512 5,495,317 5,476,656 5,322,277 5,411,948 5,521,361 5,768,657 5,708,426 5,766,721 5,596,196 5,317,672 5,165,725 5,263,620 4,943,267 5,071,444 4,972,081 5,111,676 5,178,424 5,461,028 5,401,336 5,329,666 5,320,320 5,336,047 5,630,033 5,682,247 5,532,234 5,585,421 5,747,258 5,642,802 5,876,079 5,800,466 5,602,686 4,982,201 5,177,524 5,445,615 5,471,243 5,636,447 5,617,949 5,504,684 5,528,128 5,831,513 6,034,366 5,969,673 5,809,722 5,631,375 5,758,613 5,902,292 5,830,591 5,805,675 5,850,418 5,649,667 5,574,636 5,422,154 5,506,519 5,506,231 5,230,893 5,150,774 4,840,376 4,925,715 4,706,382 4,720,162 4,713,536 4,483,976 4,444,416 4,760,265 4,863,076 5,071,836 4,911,343 5,113,933 5,158,021 5,076,579 5,242,072 5,392,904 5,248,003 5,071,317 5,044,620 5,310,424 5,480,738 5,397,271 5,366,309 5,364,792 5,250,155 5,334,855 5,277,230 5,397,269 5,562,983 5,751,835 5,486,407 5,455,279 5,350,202 5,459,959 5,495,884 5,580,835 5,761,984 5,843,443 6,006,214 5,961,156 6,089,567 6,174,665 6,203,127 6,286,798 6,380,716 6,519,556 6,603,549 6,237,174 6,410,230 6,464,863 6,477,531 6,497,049
EATON VANCE Index: J.P. Morgan EMB (JEMB) Hard Currency/Local Currency 50-50 Index                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         J.P. Morgan EMB (JEMB) Hard Currency/Local Currency 50-50 Index                                                                                                                                                                                                                          
Accumulated Value 10,000 10,080 10,195 10,121 9,609 9,749 9,924 10,098 10,233 10,359 10,500 10,526   10,678 10,846 10,838 10,704 10,796 10,934 11,179 11,037 11,097 10,874 10,559 10,365 10,567 10,172 10,366 10,193 10,321 10,442 10,913 10,910 10,911 10,930 10,970 11,426 11,539 11,412 11,472 11,671 11,562 11,887 11,902 11,669 10,283 10,648 11,189 11,391 11,735 11,757 11,570 11,601 12,108 12,421 12,318 12,072 11,838 12,055 12,257 12,231 12,224 12,323 12,027 11,934 11,699 11,843 11,709 11,083 10,902 10,365 10,442 9,967 10,080 10,054 9,553 9,465 10,107 10,263 10,643 10,373 10,633 10,717 10,601 10,862 11,096 10,893 10,618 10,522 11,043 11,436 11,336 11,352 11,438 11,231 11,413 11,396 11,621 11,916 12,210 11,849 11,869 11,697 11,882 12,014 12,086 12,262 12,402 12,693 12,714 12,944 13,123 13,241 13,352 13,492 13,687 13,853 13,292 13,625 13,730 13,783 13,738
EATON VANCE Index: J.P. Morgan EMB (JEMB) Hard Currency/Local Currency 50-50 Index                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         J.P. Morgan EMB (JEMB) Hard Currency/Local Currency 50-50 Index                                                                                                                                                                                                                          
Accumulated Value 1,000,000 1,007,964 1,019,549 1,012,053 960,874 974,943 992,447 1,009,817 1,023,252 1,035,909 1,050,007 1,052,570   1,067,770 1,084,638 1,083,765 1,070,414 1,079,638 1,093,384 1,117,947 1,103,734 1,109,657 1,087,385 1,055,873 1,036,534 1,056,726 1,017,156 1,036,591 1,019,306 1,032,133 1,044,200 1,091,299 1,091,004 1,091,128 1,092,959 1,097,033 1,142,614 1,153,934 1,141,218 1,147,204 1,167,063 1,156,172 1,188,699 1,190,153 1,166,947 1,028,317 1,064,775 1,118,913 1,139,075 1,173,455 1,175,672 1,156,968 1,160,086 1,210,834 1,242,076 1,231,840 1,207,174 1,183,814 1,205,520 1,225,702 1,223,069 1,222,393 1,232,260 1,202,672 1,193,368 1,169,915 1,184,290 1,170,880 1,108,271 1,090,235 1,036,529 1,044,206 996,747 1,008,025 1,005,391 955,299 946,547 1,010,656 1,026,290 1,064,253 1,037,286 1,063,333 1,071,670 1,060,110 1,086,164 1,109,636 1,089,322 1,061,775 1,052,159 1,104,347 1,143,593 1,133,644 1,135,184 1,143,793 1,123,111 1,141,320 1,139,564 1,162,123 1,191,601 1,220,984 1,184,945 1,186,892 1,169,701 1,188,230 1,201,402 1,208,594 1,226,227 1,240,196 1,269,267 1,271,414 1,294,372 1,312,267 1,324,119 1,335,212 1,349,180 1,368,661 1,385,316 1,329,226 1,362,531 1,373,025 1,378,278 1,373,783
EATON VANCE Index: J.P. Morgan EMB (JEMB) Hard Currency/Local Currency 50-50 Index                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         J.P. Morgan EMB (JEMB) Hard Currency/Local Currency 50-50 Index                                                                                                                                                                                                                          
Accumulated Value $ 5,000,000 $ 5,039,820 $ 5,097,744 $ 5,060,264 $ 4,804,370 $ 4,874,715 $ 4,962,234 $ 5,049,087 $ 5,116,258 $ 5,179,543 $ 5,250,036 $ 5,262,849   $ 5,338,848 $ 5,423,191 $ 5,418,826 $ 5,352,069 $ 5,398,188 $ 5,466,922 $ 5,589,736 $ 5,518,670 $ 5,548,284 $ 5,436,925 $ 5,279,365 $ 5,182,668 $ 5,283,629 $ 5,085,781 $ 5,182,954 $ 5,096,532 $ 5,160,665 $ 5,221,002 $ 5,456,493 $ 5,455,018 $ 5,455,638 $ 5,464,792 $ 5,485,165 $ 5,713,070 $ 5,769,670 $ 5,706,089 $ 5,736,021 $ 5,835,315 $ 5,780,858 $ 5,943,494 $ 5,950,764 $ 5,834,736 $ 5,141,583 $ 5,323,873 $ 5,594,565 $ 5,695,373 $ 5,867,274 $ 5,878,359 $ 5,784,840 $ 5,800,430 $ 6,054,168 $ 6,210,381 $ 6,159,202 $ 6,035,870 $ 5,919,072 $ 6,027,600 $ 6,128,509 $ 6,115,347 $ 6,111,966 $ 6,161,300 $ 6,013,360 $ 5,966,838 $ 5,849,574 $ 5,921,452 $ 5,854,400 $ 5,541,354 $ 5,451,174 $ 5,182,646 $ 5,221,031 $ 4,983,735 $ 5,040,126 $ 5,026,954 $ 4,776,495 $ 4,732,734 $ 5,053,282 $ 5,131,449 $ 5,321,265 $ 5,186,428 $ 5,316,663 $ 5,358,351 $ 5,300,551 $ 5,430,821 $ 5,548,180 $ 5,446,611 $ 5,308,877 $ 5,260,793 $ 5,521,735 $ 5,717,963 $ 5,668,218 $ 5,675,922 $ 5,718,964 $ 5,615,557 $ 5,706,602 $ 5,697,822 $ 5,810,617 $ 5,958,004 $ 6,104,922 $ 5,924,723 $ 5,934,458 $ 5,848,503 $ 5,941,151 $ 6,007,010 $ 6,042,968 $ 6,131,135 $ 6,200,982 $ 6,346,334 $ 6,357,070 $ 6,471,860 $ 6,561,333 $ 6,620,597 $ 6,676,059 $ 6,745,898 $ 6,843,304 $ 6,926,579 $ 6,646,131 $ 6,812,655 $ 6,865,123 $ 6,891,390 $ 6,868,914