| Form N-CSR Cover | 12 Months Ended |
| Sep. 30, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSR |
| Amendment Flag | false |
| Registrant Name | CALVERT IMPACT FUND INC |
| Entity Central Index Key | 0001121624 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Sep. 30, 2024 |
| Shareholder Report | 12 Months Ended | |
| Sep. 30, 2024 USD ($) Holding | Sep. 30, 2023 | |
| Shareholder Report [Line Items] | ||
| Document Type | N-CSR | |
| Amendment Flag | false | |
| Registrant Name | CALVERT IMPACT FUND INC | |
| Entity Central Index Key | 0001121624 | |
| Entity Investment Company Type | N-1A | |
| Document Period End Date | Sep. 30, 2024 | |
| C000047593 | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Calvert Global Energy Solutions Fund | |
| Class Name | Class A | |
| Trading Symbol | CGAEX | |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Calvert Global Energy Solutions Fund for the period of October 1, 2023 to September 30, 2024. | |
| Shareholder Report Annual or Semi-Annual | Annual Shareholder Report | |
| Additional Information [Text Block] | You can find additional information about the Fund at www.eatonvance.com/calvert-fund-documents.php | |
| Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. | |
| Additional Information Phone Number | 1-800-368-2745 | |
| Additional Information Website | www.eatonvance.com/calvert-fund-documents.php</span>" id="sjs-B20"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left;">www.eatonvance.com/calvert-fund-documents.php</span> | |
| Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class A $132 1.24% | |
| Expenses Paid, Amount | $ 132 | |
| Expense Ratio, Percent | 1.24% | |
| Factors Affecting Performance [Text Block] | How did the Fund perform last year and what affected its performance? Key contributors to (↑) and detractors from (↓) performance, relative to the MSCI ACWI Index (the Index): ↓ Not owning NVIDIA Corp., one of the leading contributors to global equity markets during the period, detracted from performance relative to the Index ↓ Owning Energy Absolute PCL, a renewable energy producer based in Thailand, detracted from returns after regulators alleged fraud by top executives ↓ An overweight position in SolarEdge Technologies, Inc., an energy technology company, hampered Index-relative returns as high interest rates cut into sales ↓ Owning Array Technologies, Inc., an energy technology provider, detracted from relative returns after it lowered its revenue expectations during the period ↑ A position in Siemens Energy AG contributed to relative returns based on strong revenue growth and rising demand for its grid technologies and gas services ↑ Owning Trane Technologies Plc., an energy efficiency company, helped Index-relative returns as the company reported growth in revenues, sales, and earnings ↑ Owning Siemens AG, a Siemens subsidiary based in India, helped performance as rising demand for energy technology led to an increase in revenues and profits ↑ Owning Suzlon Energy Ltd., a wind turbine manufacturer based in India, helped relative returns as it won an order for India’s largest wind energy project | |
| Performance Past Does Not Indicate Future [Text] | THE FUND'S PAST PERFORMANCE IS NO GUARANTEE OF FUTURE RESULTS. | |
| Line Graph [Table Text Block] | Class A with Maximum Sales Charge MSCI ACWI Index Calvert Global Energy Research Spliced Benchmark 9/14 $9,475 $10,000 $10,000 10/14 $9,382 $10,070 $9,637 11/14 $9,248 $10,239 $9,477 12/14 $8,888 $10,041 $9,008 1/15 $8,501 $9,884 $8,667 2/15 $9,342 $10,435 $9,508 3/15 $9,448 $10,273 $9,494 4/15 $9,769 $10,571 $10,086 5/15 $9,622 $10,557 $10,276 6/15 $9,261 $10,309 $9,915 7/15 $8,808 $10,398 $9,466 8/15 $8,087 $9,685 $8,635 9/15 $7,687 $9,334 $8,268 10/15 $8,447 $10,067 $8,805 11/15 $8,274 $9,984 $8,878 12/15 $8,612 $9,804 $9,118 1/16 $7,849 $9,213 $8,196 2/16 $7,849 $9,149 $8,372 3/16 $8,398 $9,827 $8,991 4/16 $8,398 $9,972 $8,969 5/16 $8,291 $9,985 $8,813 6/16 $7,930 $9,924 $8,621 7/16 $8,210 $10,352 $8,987 8/16 $8,184 $10,387 $9,096 9/16 $8,331 $10,451 $9,183 10/16 $7,890 $10,273 $8,881 11/16 $7,769 $10,351 $8,766 12/16 $7,946 $10,575 $9,018 1/17 $8,230 $10,864 $9,346 2/17 $8,405 $11,169 $9,551 3/17 $8,513 $11,305 $9,666 4/17 $8,743 $11,482 $9,934 5/17 $8,986 $11,735 $10,222 6/17 $9,135 $11,789 $10,397 7/17 $9,378 $12,118 $10,681 8/17 $9,419 $12,164 $10,738 9/17 $9,770 $12,399 $11,152 10/17 $10,149 $12,657 $11,601 11/17 $10,095 $12,902 $11,550 12/17 $10,283 $13,110 $11,810 1/18 $10,666 $13,850 $12,268 2/18 $10,078 $13,268 $11,616 3/18 $9,982 $12,984 $11,429 4/18 $9,900 $13,108 $11,410 5/18 $9,996 $13,124 $11,507 6/18 $9,545 $13,053 $10,979 7/18 $9,777 $13,447 $11,247 8/18 $9,695 $13,552 $11,172 9/18 $9,503 $13,611 $10,978 10/18 $8,560 $12,591 $9,848 11/18 $8,861 $12,776 $10,199 12/18 $8,260 $11,876 $9,503 1/19 $9,178 $12,813 $10,591 2/19 $9,498 $13,156 $11,001 3/19 $9,401 $13,322 $10,881 4/19 $9,804 $13,771 $11,365 5/19 $9,136 $12,954 $10,582 6/19 $9,846 $13,803 $11,434 7/19 $9,693 $13,843 $11,345 8/19 $9,540 $13,515 $11,101 9/19 $9,846 $13,799 $11,473 10/19 $10,166 $14,177 $11,871 11/19 $10,430 $14,523 $12,196 12/19 $10,999 $15,034 $12,903 1/20 $10,859 $14,868 $12,793 2/20 $10,452 $13,667 $12,188 3/20 $8,415 $11,822 $9,852 4/20 $9,496 $13,089 $11,145 5/20 $10,114 $13,658 $11,829 6/20 $10,747 $14,094 $12,581 7/20 $11,870 $14,840 $13,967 8/20 $13,247 $15,748 $15,617 9/20 $13,402 $15,240 $15,769 10/20 $13,500 $14,870 $15,899 11/20 $15,987 $16,703 $18,915 12/20 $17,725 $17,478 $20,988 1/21 $18,177 $17,399 $21,640 2/21 $17,795 $17,802 $21,199 3/21 $17,908 $18,277 $21,331 4/21 $18,021 $19,076 $21,529 5/21 $18,205 $19,373 $21,777 6/21 $18,573 $19,628 $22,197 7/21 $18,729 $19,764 $22,402 8/21 $18,997 $20,258 $22,772 9/21 $18,092 $19,421 $21,750 10/21 $19,577 $20,413 $23,505 11/21 $18,884 $19,921 $22,658 12/21 $18,877 $20,718 $22,713 1/22 $17,161 $19,701 $20,522 2/22 $17,388 $19,192 $20,935 3/22 $17,643 $19,607 $21,369 4/22 $16,026 $18,038 $19,434 5/22 $16,593 $18,059 $19,998 6/22 $15,019 $16,537 $18,106 7/22 $16,650 $17,692 $20,112 8/22 $16,054 $17,040 $19,538 9/22 $13,984 $15,409 $17,045 10/22 $14,608 $16,339 $17,754 11/22 $16,494 $17,606 $19,795 12/22 $15,544 $16,913 $18,935 1/23 $17,014 $18,126 $20,683 2/23 $16,315 $17,606 $19,973 3/23 $16,872 $18,149 $20,586 4/23 $16,515 $18,410 $20,170 5/23 $16,315 $18,213 $19,926 6/23 $17,114 $19,270 $20,921 7/23 $17,671 $19,976 $21,686 8/23 $16,243 $19,418 $19,941 9/23 $15,016 $18,615 $18,467 10/23 $13,674 $18,055 $16,734 11/23 $15,130 $19,721 $18,599 12/23 $16,380 $20,669 $20,141 1/24 $14,984 $20,790 $18,543 2/24 $15,243 $21,682 $18,755 3/24 $15,877 $22,363 $19,565 4/24 $15,330 $21,625 $18,973 5/24 $16,683 $22,503 $20,516 6/24 $15,632 $23,004 $19,302 7/24 $16,121 $23,375 $19,912 8/24 $16,237 $23,969 $20,075 9/24 $17,050 $24,526 $21,138 | |
| Average Annual Return [Table Text Block] | Fund 1 Year 5 Years 10 Years Class A 13.50% 11.59% 6.04% Class A with 5.25% Maximum Sales Charge 7.57% 10.40% 5.48% MSCI ACWI Index (net of foreign withholding taxes) 31.76% 12.18% 9.38% Calvert Global Energy Research Spliced Benchmark Footnote Reference 14.46% 12.99% 7.77% | |
| Material Change Date | Sep. 30, 2023 | |
| AssetsNet | $ 159,051,787 | |
| Holdings Count | Holding | 180 | |
| Advisory Fees Paid, Amount | $ 792,263 | |
| InvestmentCompanyPortfolioTurnover | 41% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $159,051,787 # of Portfolio Holdings 180 Portfolio Turnover Rate 41% Total Advisory Fees Paid $792,263 | |
| Holdings [Text Block] | Country Allocation (% of total investments) Value Value Other 23.4% South Korea 3.3% Taiwan 3.6% United Kingdom 3.9% Spain 4.8% France 4.9% Japan 4.9% China 5.3% Canada 5.4% Germany 6.9% United States 33.6% Top Ten Holdings (% of total investments) Footnote Reference Tesla, Inc. 0.9% NIO, Inc. 0.8% Orsted AS 0.8% SSE PLC 0.8% EDP SA 0.8% Brookfield Renewable Partners LP 0.8% XPENG, Inc. 0.7% Brookfield Renewable Corp., Class A 0.7% EDP Renovaveis SA 0.7% Siemens AG 0.7% Total 7.7% Footnote Description Footnote a Excluding cash equivalents | |
| Material Fund Change [Text Block] | Material Fund Changes This is a summary of certain changes to the Fund since September 30, 2023. For more complete information, you may review the Fund’s next prospectus, which we expect to be available by February 1, 2025 at www.eatonvance.com/calvert-fund-documents.php Effective July 1, 2024, the Fund is managed by a team comprised of Jennifer Mihara, Thomas C. Seto and Gordon Wotherspoon. Prior to July 1, 2024, the Fund was managed by Thomas C. Seto who intends to retire after December 31, 2024. | |
| Material Fund Change Risks Change [Text Block] | Effective July 1, 2024, the Fund is managed by a team comprised of Jennifer Mihara, Thomas C. Seto and Gordon Wotherspoon. Prior to July 1, 2024, the Fund was managed by Thomas C. Seto who intends to retire after December 31, 2024. | |
| Summary of Change Legend [Text Block] | This is a summary of certain changes to the Fund since September 30, 2023. For more complete information, you may review the Fund’s next prospectus, which we expect to be available by February 1, 2025 at www.eatonvance.com/calvert-fund-documents.php | |
| Updated Prospectus Phone Number | 1-800-368-2745 | |
| C000047595 | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Calvert Global Energy Solutions Fund | |
| Class Name | Class C | |
| Trading Symbol | CGACX | |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Calvert Global Energy Solutions Fund for the period of October 1, 2023 to September 30, 2024. | |
| Shareholder Report Annual or Semi-Annual | Annual Shareholder Report | |
| Additional Information [Text Block] | You can find additional information about the Fund at www.eatonvance.com/calvert-fund-documents.php | |
| Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. | |
| Additional Information Phone Number | 1-800-368-2745 | |
| Additional Information Website | www.eatonvance.com/calvert-fund-documents.php</span>" id="sjs-B49"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left;">www.eatonvance.com/calvert-fund-documents.php</span> | |
| Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class C $212 1.99% | |
| Expenses Paid, Amount | $ 212 | |
| Expense Ratio, Percent | 1.99% | |
| Factors Affecting Performance [Text Block] | How did the Fund perform last year and what affected its performance? Key contributors to (↑) and detractors from (↓) performance, relative to the MSCI ACWI Index (the Index): ↓ Not owning NVIDIA Corp., one of the leading contributors to global equity markets during the period, detracted from performance relative to the Index ↓ Owning Energy Absolute PCL, a renewable energy producer based in Thailand, detracted from returns after regulators alleged fraud by top executives ↓ An overweight position in SolarEdge Technologies, Inc., an energy technology company, hampered Index-relative returns as high interest rates cut into sales ↓ Owning Array Technologies, Inc., an energy technology provider, detracted from relative returns after it lowered its revenue expectations during the period ↑ A position in Siemens Energy AG contributed to relative returns based on strong revenue growth and rising demand for its grid technologies and gas services ↑ Owning Trane Technologies Plc., an energy efficiency company, helped Index-relative returns as the company reported growth in revenues, sales, and earnings ↑ Owning Siemens AG, a Siemens subsidiary based in India, helped performance as rising demand for energy technology led to an increase in revenues and profits ↑ Owning Suzlon Energy Ltd., a wind turbine manufacturer based in India, helped relative returns as it won an order for India’s largest wind energy project | |
| Performance Past Does Not Indicate Future [Text] | THE FUND'S PAST PERFORMANCE IS NO GUARANTEE OF FUTURE RESULTS. | |
| Line Graph [Table Text Block] | Class C MSCI ACWI Index Calvert Global Energy Research Spliced Benchmark 9/14 $10,000 $10,000 $10,000 10/14 $9,896 $10,070 $9,637 11/14 $9,748 $10,239 $9,477 12/14 $9,363 $10,041 $9,008 1/15 $8,933 $9,884 $8,667 2/15 $9,822 $10,435 $9,508 3/15 $9,926 $10,273 $9,494 4/15 $10,252 $10,571 $10,086 5/15 $10,074 $10,557 $10,276 6/15 $9,704 $10,309 $9,915 7/15 $9,215 $10,398 $9,466 8/15 $8,459 $9,685 $8,635 9/15 $8,030 $9,334 $8,268 10/15 $8,815 $10,067 $8,805 11/15 $8,622 $9,984 $8,878 12/15 $8,978 $9,804 $9,118 1/16 $8,163 $9,213 $8,196 2/16 $8,178 $9,149 $8,372 3/16 $8,726 $9,827 $8,991 4/16 $8,726 $9,972 $8,969 5/16 $8,607 $9,985 $8,813 6/16 $8,222 $9,924 $8,621 7/16 $8,519 $10,352 $8,987 8/16 $8,489 $10,387 $9,096 9/16 $8,622 $10,451 $9,183 10/16 $8,178 $10,273 $8,881 11/16 $8,044 $10,351 $8,766 12/16 $8,224 $10,575 $9,018 1/17 $8,506 $10,864 $9,346 2/17 $8,669 $11,169 $9,551 3/17 $8,788 $11,305 $9,666 4/17 $9,010 $11,482 $9,934 5/17 $9,263 $11,735 $10,222 6/17 $9,411 $11,789 $10,397 7/17 $9,649 $12,118 $10,681 8/17 $9,693 $12,164 $10,738 9/17 $10,035 $12,399 $11,152 10/17 $10,421 $12,657 $11,601 11/17 $10,361 $12,902 $11,550 12/17 $10,553 $13,110 $11,810 1/18 $10,941 $13,850 $12,268 2/18 $10,329 $13,268 $11,616 3/18 $10,225 $12,984 $11,429 4/18 $10,120 $13,108 $11,410 5/18 $10,225 $13,124 $11,507 6/18 $9,747 $13,053 $10,979 7/18 $9,986 $13,447 $11,247 8/18 $9,896 $13,552 $11,172 9/18 $9,702 $13,611 $10,978 10/18 $8,717 $12,591 $9,848 11/18 $9,030 $12,776 $10,199 12/18 $8,413 $11,876 $9,503 1/19 $9,346 $12,813 $10,591 2/19 $9,662 $13,156 $11,001 3/19 $9,557 $13,322 $10,881 4/19 $9,963 $13,771 $11,365 5/19 $9,271 $12,954 $10,582 6/19 $9,978 $13,803 $11,434 7/19 $9,828 $13,843 $11,345 8/19 $9,662 $13,515 $11,101 9/19 $9,978 $13,799 $11,473 10/19 $10,294 $14,177 $11,871 11/19 $10,550 $14,523 $12,196 12/19 $11,132 $15,034 $12,903 1/20 $10,966 $14,868 $12,793 2/20 $10,543 $13,667 $12,188 3/20 $8,489 $11,822 $9,852 4/20 $9,577 $13,089 $11,145 5/20 $10,196 $13,658 $11,829 6/20 $10,830 $14,094 $12,581 7/20 $11,948 $14,840 $13,967 8/20 $13,338 $15,748 $15,617 9/20 $13,474 $15,240 $15,769 10/20 $13,564 $14,870 $15,899 11/20 $16,057 $16,703 $18,915 12/20 $17,787 $17,478 $20,988 1/21 $18,226 $17,399 $21,640 2/21 $17,833 $17,802 $21,199 3/21 $17,939 $18,277 $21,331 4/21 $18,030 $19,076 $21,529 5/21 $18,211 $19,373 $21,777 6/21 $18,559 $19,628 $22,197 7/21 $18,710 $19,764 $22,402 8/21 $18,967 $20,258 $22,772 9/21 $18,045 $19,421 $21,750 10/21 $19,527 $20,413 $23,505 11/21 $18,816 $19,921 $22,658 12/21 $18,786 $20,718 $22,713 1/22 $17,077 $19,701 $20,522 2/22 $17,288 $19,192 $20,935 3/22 $17,530 $19,607 $21,369 4/22 $15,912 $18,038 $19,434 5/22 $16,472 $18,059 $19,998 6/22 $14,899 $16,537 $18,106 7/22 $16,502 $17,692 $20,112 8/22 $15,897 $17,040 $19,538 9/22 $13,840 $15,409 $17,045 10/22 $14,460 $16,339 $17,754 11/22 $16,305 $17,606 $19,795 12/22 $15,368 $16,913 $18,935 1/23 $16,804 $18,126 $20,683 2/23 $16,109 $17,606 $19,973 3/23 $16,638 $18,149 $20,586 4/23 $16,290 $18,410 $20,170 5/23 $16,078 $18,213 $19,926 6/23 $16,850 $19,270 $20,921 7/23 $17,394 $19,976 $21,686 8/23 $15,973 $19,418 $19,941 9/23 $14,762 $18,615 $18,467 10/23 $13,431 $18,055 $16,734 11/23 $14,853 $19,721 $18,599 12/23 $16,075 $20,669 $20,141 1/24 $14,697 $20,790 $18,543 2/24 $14,924 $21,682 $18,755 3/24 $15,545 $22,363 $19,565 4/24 $15,000 $21,625 $18,973 5/24 $16,302 $22,503 $20,516 6/24 $15,272 $23,004 $19,302 7/24 $15,757 $23,375 $19,912 8/24 $15,848 $23,969 $20,075 9/24 $16,867 $24,526 $21,138 | |
| Average Annual Return [Table Text Block] | Fund 1 Year 5 Years 10 Years Class C 12.58% 10.73% 5.36% Class C with 1% Maximum Deferred Sales Charge 11.58% 10.73% 5.36% MSCI ACWI Index (net of foreign withholding taxes) 31.76% 12.18% 9.38% Calvert Global Energy Research Spliced Benchmark Footnote Reference 14.46% 12.99% 7.77% | |
| Material Change Date | Sep. 30, 2023 | |
| AssetsNet | $ 159,051,787 | |
| Holdings Count | Holding | 180 | |
| Advisory Fees Paid, Amount | $ 792,263 | |
| InvestmentCompanyPortfolioTurnover | 41% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $159,051,787 # of Portfolio Holdings 180 Portfolio Turnover Rate 41% Total Advisory Fees Paid $792,263 | |
| Holdings [Text Block] | Country Allocation (% of total investments) Value Value Other 23.4% South Korea 3.3% Taiwan 3.6% United Kingdom 3.9% Spain 4.8% France 4.9% Japan 4.9% China 5.3% Canada 5.4% Germany 6.9% United States 33.6% Top Ten Holdings (% of total investments) Footnote Reference Tesla, Inc. 0.9% NIO, Inc. 0.8% Orsted AS 0.8% SSE PLC 0.8% EDP SA 0.8% Brookfield Renewable Partners LP 0.8% XPENG, Inc. 0.7% Brookfield Renewable Corp., Class A 0.7% EDP Renovaveis SA 0.7% Siemens AG 0.7% Total 7.7% Footnote Description Footnote a Excluding cash equivalents | |
| Material Fund Change [Text Block] | Material Fund Changes This is a summary of certain changes to the Fund since September 30, 2023. For more complete information, you may review the Fund’s next prospectus, which we expect to be available by February 1, 2025 at www.eatonvance.com/calvert-fund-documents.php Effective July 1, 2024, the Fund is managed by a team comprised of Jennifer Mihara, Thomas C. Seto and Gordon Wotherspoon. Prior to July 1, 2024, the Fund was managed by Thomas C. Seto who intends to retire after December 31, 2024. | |
| Material Fund Change Risks Change [Text Block] | Effective July 1, 2024, the Fund is managed by a team comprised of Jennifer Mihara, Thomas C. Seto and Gordon Wotherspoon. Prior to July 1, 2024, the Fund was managed by Thomas C. Seto who intends to retire after December 31, 2024. | |
| Summary of Change Legend [Text Block] | This is a summary of certain changes to the Fund since September 30, 2023. For more complete information, you may review the Fund’s next prospectus, which we expect to be available by February 1, 2025 at www.eatonvance.com/calvert-fund-documents.php | |
| Updated Prospectus Phone Number | 1-800-368-2745 | |
| C000047596 | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Calvert Global Energy Solutions Fund | |
| Class Name | Class I | |
| Trading Symbol | CAEIX | |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Calvert Global Energy Solutions Fund for the period of October 1, 2023 to September 30, 2024. | |
| Shareholder Report Annual or Semi-Annual | Annual Shareholder Report | |
| Additional Information [Text Block] | You can find additional information about the Fund at www.eatonvance.com/calvert-fund-documents.php | |
| Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. | |
| Additional Information Phone Number | 1-800-368-2745 | |
| Additional Information Website | www.eatonvance.com/calvert-fund-documents.php</span>" id="sjs-B78"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left;">www.eatonvance.com/calvert-fund-documents.php</span> | |
| Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class I $106 0.99% | |
| Expenses Paid, Amount | $ 106 | |
| Expense Ratio, Percent | 0.99% | |
| Factors Affecting Performance [Text Block] | How did the Fund perform last year and what affected its performance? Key contributors to (↑) and detractors from (↓) performance, relative to the MSCI ACWI Index (the Index): ↓ Not owning NVIDIA Corp., one of the leading contributors to global equity markets during the period, detracted from performance relative to the Index ↓ Owning Energy Absolute PCL, a renewable energy producer based in Thailand, detracted from returns after regulators alleged fraud by top executives ↓ An overweight position in SolarEdge Technologies, Inc., an energy technology company, hampered Index-relative returns as high interest rates cut into sales ↓ Owning Array Technologies, Inc., an energy technology provider, detracted from relative returns after it lowered its revenue expectations during the period ↑ A position in Siemens Energy AG contributed to relative returns based on strong revenue growth and rising demand for its grid technologies and gas services ↑ Owning Trane Technologies Plc., an energy efficiency company, helped Index-relative returns as the company reported growth in revenues, sales, and earnings ↑ Owning Siemens AG, a Siemens subsidiary based in India, helped performance as rising demand for energy technology led to an increase in revenues and profits ↑ Owning Suzlon Energy Ltd., a wind turbine manufacturer based in India, helped relative returns as it won an order for India’s largest wind energy project | |
| Performance Past Does Not Indicate Future [Text] | THE FUND'S PAST PERFORMANCE IS NO GUARANTEE OF FUTURE RESULTS. | |
| Line Graph [Table Text Block] | Class I MSCI ACWI Index Calvert Global Energy Research Spliced Benchmark 9/14 $1,000,000 $1,000,000 $1,000,000 10/14 $990,291 $1,007,043 $963,746 11/14 $976,422 $1,023,889 $947,692 12/14 $938,974 $1,004,127 $900,751 1/15 $898,752 $988,432 $866,738 2/15 $987,517 $1,043,460 $950,753 3/15 $1,000,000 $1,027,288 $949,397 4/15 $1,033,285 $1,057,098 $1,008,612 5/15 $1,018,027 $1,055,718 $1,027,584 6/15 $981,968 $1,030,863 $991,520 7/15 $933,425 $1,039,816 $946,648 8/15 $857,139 $968,536 $863,550 9/15 $815,529 $933,447 $826,809 10/15 $895,972 $1,006,706 $880,536 11/15 $877,943 $998,395 $887,809 12/15 $913,512 $980,390 $911,775 1/16 $832,496 $921,262 $819,633 2/16 $833,892 $914,921 $837,165 3/16 $892,557 $982,726 $899,098 4/16 $892,560 $997,232 $896,913 5/16 $881,388 $998,492 $881,332 6/16 $843,676 $992,443 $862,061 7/16 $873,010 $1,035,214 $898,748 8/16 $871,613 $1,038,695 $909,640 9/16 $886,975 $1,045,061 $918,291 10/16 $840,879 $1,027,323 $888,139 11/16 $828,308 $1,035,131 $876,552 12/16 $847,402 $1,057,491 $901,827 1/17 $877,259 $1,086,406 $934,616 2/17 $895,745 $1,116,881 $955,104 3/17 $908,540 $1,130,545 $966,576 4/17 $932,714 $1,148,164 $993,399 5/17 $958,307 $1,173,519 $1,022,192 6/17 $975,369 $1,178,855 $1,039,709 7/17 $1,000,964 $1,211,800 $1,068,142 8/17 $1,006,648 $1,216,443 $1,073,789 9/17 $1,043,616 $1,239,945 $1,115,229 10/17 $1,083,429 $1,265,692 $1,160,098 11/17 $1,077,745 $1,290,194 $1,155,030 12/17 $1,098,550 $1,310,994 $1,180,953 1/18 $1,140,362 $1,384,956 $1,226,775 2/18 $1,078,368 $1,326,790 $1,161,571 3/18 $1,068,278 $1,298,388 $1,142,926 4/18 $1,059,630 $1,310,787 $1,140,988 5/18 $1,069,718 $1,312,423 $1,150,713 6/18 $1,022,144 $1,305,316 $1,097,932 7/18 $1,048,096 $1,344,680 $1,124,742 8/18 $1,039,449 $1,355,245 $1,117,173 9/18 $1,019,264 $1,361,143 $1,097,826 10/18 $916,907 $1,259,140 $984,751 11/18 $951,509 $1,277,556 $1,019,902 12/18 $886,837 $1,187,572 $950,298 1/19 $985,372 $1,281,342 $1,059,146 2/19 $1,019,200 $1,315,614 $1,100,141 3/19 $1,008,904 $1,332,159 $1,088,053 4/19 $1,053,028 $1,377,141 $1,136,464 5/19 $980,965 $1,295,450 $1,058,225 6/19 $1,057,442 $1,380,276 $1,143,400 7/19 $1,041,263 $1,384,320 $1,134,546 8/19 $1,025,086 $1,351,481 $1,110,133 9/19 $1,058,912 $1,379,918 $1,147,273 10/19 $1,094,210 $1,417,685 $1,187,127 11/19 $1,122,157 $1,452,292 $1,219,611 12/19 $1,183,774 $1,503,435 $1,290,299 1/20 $1,168,882 $1,486,828 $1,279,330 2/20 $1,124,216 $1,366,737 $1,218,836 3/20 $905,326 $1,182,223 $985,199 4/20 $1,022,961 $1,308,869 $1,114,514 5/20 $1,089,964 $1,365,793 $1,182,891 6/20 $1,158,459 $1,409,434 $1,258,059 7/20 $1,279,073 $1,483,974 $1,396,734 8/20 $1,427,970 $1,574,801 $1,561,716 9/20 $1,444,345 $1,524,025 $1,576,948 10/20 $1,456,261 $1,486,978 $1,589,881 11/20 $1,724,276 $1,670,267 $1,891,495 12/20 $1,911,826 $1,747,816 $2,098,781 1/21 $1,961,396 $1,739,867 $2,164,011 2/21 $1,920,855 $1,780,169 $2,119,936 3/21 $1,932,867 $1,827,716 $2,133,079 4/21 $1,944,880 $1,907,628 $2,152,915 5/21 $1,965,904 $1,937,315 $2,177,739 6/21 $2,004,946 $1,962,847 $2,219,721 7/21 $2,022,959 $1,976,370 $2,240,216 8/21 $2,052,995 $2,025,837 $2,277,195 9/21 $1,953,875 $1,942,150 $2,174,976 10/21 $2,116,072 $2,041,284 $2,350,475 11/21 $2,040,980 $1,992,129 $2,265,757 12/21 $2,040,612 $2,071,815 $2,271,306 1/22 $1,856,474 $1,970,063 $2,052,202 2/22 $1,880,623 $1,919,182 $2,093,537 3/22 $1,907,791 $1,960,750 $2,136,908 4/22 $1,734,219 $1,803,808 $1,943,413 5/22 $1,796,101 $1,805,919 $1,999,796 6/22 $1,625,547 $1,653,686 $1,810,554 7/22 $1,802,138 $1,769,167 $2,011,166 8/22 $1,738,747 $1,704,036 $1,953,752 9/22 $1,513,857 $1,540,910 $1,704,537 10/22 $1,581,776 $1,633,899 $1,775,394 11/22 $1,787,045 $1,760,630 $1,979,475 12/22 $1,685,094 $1,691,347 $1,893,486 1/23 $1,844,927 $1,812,578 $2,068,276 2/23 $1,768,816 $1,760,629 $1,997,299 3/23 $1,829,705 $1,814,914 $2,058,622 4/23 $1,791,650 $1,840,999 $2,017,036 5/23 $1,770,339 $1,821,281 $1,992,631 6/23 $1,857,105 $1,927,026 $2,092,129 7/23 $1,919,516 $1,997,570 $2,168,602 8/23 $1,762,727 $1,941,751 $1,994,075 9/23 $1,630,295 $1,861,458 $1,846,709 10/23 $1,485,684 $1,805,489 $1,673,357 11/23 $1,643,995 $1,972,129 $1,859,884 12/23 $1,780,329 $2,066,858 $2,014,074 1/24 $1,629,532 $2,078,974 $1,854,294 2/24 $1,655,690 $2,168,190 $1,875,529 3/24 $1,726,473 $2,236,264 $1,956,527 4/24 $1,666,461 $2,162,483 $1,897,274 5/24 $1,814,181 $2,250,309 $2,051,583 6/24 $1,700,314 $2,300,429 $1,930,163 7/24 $1,754,170 $2,337,529 $1,991,225 8/24 $1,766,480 $2,396,894 $2,007,461 9/24 $1,855,696 $2,452,576 $2,113,793 | |
| Average Annual Return [Table Text Block] | Fund 1 Year 5 Years 10 Years Class I 13.83% 11.86% 6.37% MSCI ACWI Index (net of foreign withholding taxes) 31.76% 12.18% 9.38% Calvert Global Energy Research Spliced Benchmark Footnote Reference 14.46% 12.99% 7.77% | |
| Material Change Date | Sep. 30, 2023 | |
| AssetsNet | $ 159,051,787 | |
| Holdings Count | Holding | 180 | |
| Advisory Fees Paid, Amount | $ 792,263 | |
| InvestmentCompanyPortfolioTurnover | 41% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $159,051,787 # of Portfolio Holdings 180 Portfolio Turnover Rate 41% Total Advisory Fees Paid $792,263 | |
| Holdings [Text Block] | Country Allocation (% of total investments) Value Value Other 23.4% South Korea 3.3% Taiwan 3.6% United Kingdom 3.9% Spain 4.8% France 4.9% Japan 4.9% China 5.3% Canada 5.4% Germany 6.9% United States 33.6% Top Ten Holdings (% of total investments) Footnote Reference Tesla, Inc. 0.9% NIO, Inc. 0.8% Orsted AS 0.8% SSE PLC 0.8% EDP SA 0.8% Brookfield Renewable Partners LP 0.8% XPENG, Inc. 0.7% Brookfield Renewable Corp., Class A 0.7% EDP Renovaveis SA 0.7% Siemens AG 0.7% Total 7.7% Footnote Description Footnote a Excluding cash equivalents | |
| Material Fund Change [Text Block] | Material Fund Changes This is a summary of certain changes to the Fund since September 30, 2023. For more complete information, you may review the Fund’s next prospectus, which we expect to be available by February 1, 2025 at www.eatonvance.com/calvert-fund-documents.php Effective July 1, 2024, the Fund is managed by a team comprised of Jennifer Mihara, Thomas C. Seto and Gordon Wotherspoon. Prior to July 1, 2024, the Fund was managed by Thomas C. Seto who intends to retire after December 31, 2024. | |
| Material Fund Change Risks Change [Text Block] | Effective July 1, 2024, the Fund is managed by a team comprised of Jennifer Mihara, Thomas C. Seto and Gordon Wotherspoon. Prior to July 1, 2024, the Fund was managed by Thomas C. Seto who intends to retire after December 31, 2024. | |
| Summary of Change Legend [Text Block] | This is a summary of certain changes to the Fund since September 30, 2023. For more complete information, you may review the Fund’s next prospectus, which we expect to be available by February 1, 2025 at www.eatonvance.com/calvert-fund-documents.php | |
| Updated Prospectus Phone Number | 1-800-368-2745 | |
| C000070983 | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Calvert Global Water Fund | |
| Class Name | Class A | |
| Trading Symbol | CFWAX | |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Calvert Global Water Fund for the period of October 1, 2023 to September 30, 2024. | |
| Shareholder Report Annual or Semi-Annual | Annual Shareholder Report | |
| Additional Information [Text Block] | You can find additional information about the Fund at www.eatonvance.com/calvert-fund-documents.php | |
| Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. | |
| Additional Information Phone Number | 1-800-368-2745 | |
| Additional Information Website | www.eatonvance.com/calvert-fund-documents.php</span>" id="sjs-B107"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left;">www.eatonvance.com/calvert-fund-documents.php</span> | |
| Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class A $144 1.24% | |
| Expenses Paid, Amount | $ 144 | |
| Expense Ratio, Percent | 1.24% | |
| Factors Affecting Performance [Text Block] | How did the Fund perform last year and what affected its performance? Key contributors to (↑) and detractors from (↓) performance, relative to the MSCI ACWI Index (the Index): ↓ Not owning shares of NVIDIA Corp., which appreciated 179.24% during the period riding the crest of the artificial intelligence wave, hurt relative returns ↓ An overweight exposure to Orbia Advance Corp., a water infrastructure company, hampered returns as its earnings and revenues fell during the period ↓ Not owning shares of technology giant Meta Platforms ― owner of Facebook and other popular brands ― which appreciated 91.08% during the period, hurt returns ↓ An allocation to Energy Recovery, Inc., a water technology firm, detracted from Index-relative returns on the basis of lower revenues and negative earnings ↑ An overweight position in Hawkins, Inc., a provider of water treatment chemicals and equipment, contributed to returns as it reported strong earnings ↑ An overweight position in Organo Corp., a Japanese manufacturer of water purifiers and electrical equipment, helped returns as it reported strong profits ↑ An overweight position in Mueller Industries, Inc., a provider of piping and plumbing systems, contributed to returns on the basis of its sales growth ↑ Reliance Worldwide Corp., Ltd., a water technology business, helped returns as improved margins in the U.S. and solid cash flows led to better-than-expected earnings | |
| Performance Past Does Not Indicate Future [Text] | THE FUND'S PAST PERFORMANCE IS NO GUARANTEE OF FUTURE RESULTS. | |
| Line Graph [Table Text Block] | Class A with Maximum Sales Charge MSCI ACWI Index Calvert Global Water Research Spliced Benchmark 9/14 $9,475 $10,000 $10,000 10/14 $9,601 $10,070 $10,304 11/14 $9,325 $10,239 $10,266 12/14 $9,126 $10,041 $10,201 1/15 $8,590 $9,884 $9,986 2/15 $9,209 $10,435 $10,282 3/15 $9,105 $10,273 $10,128 4/15 $9,433 $10,571 $10,624 5/15 $9,245 $10,557 $10,567 6/15 $8,980 $10,309 $10,288 7/15 $8,668 $10,398 $10,083 8/15 $8,226 $9,685 $9,576 9/15 $7,737 $9,334 $9,556 10/15 $8,350 $10,067 $10,218 11/15 $8,465 $9,984 $10,357 12/15 $7,962 $9,804 $10,086 1/16 $7,515 $9,213 $9,889 2/16 $7,634 $9,149 $9,970 3/16 $8,347 $9,827 $10,777 4/16 $8,675 $9,972 $11,246 5/16 $8,670 $9,985 $11,327 6/16 $8,821 $9,924 $11,516 7/16 $9,029 $10,352 $11,826 8/16 $9,065 $10,387 $11,865 9/16 $9,216 $10,451 $12,069 10/16 $8,894 $10,273 $11,657 11/16 $9,065 $10,351 $11,897 12/16 $9,076 $10,575 $11,997 1/17 $9,294 $10,864 $12,320 2/17 $9,476 $11,169 $12,577 3/17 $9,612 $11,305 $12,750 4/17 $9,804 $11,482 $13,022 5/17 $9,820 $11,735 $13,052 6/17 $9,872 $11,789 $13,118 7/17 $10,122 $12,118 $13,463 8/17 $9,987 $12,164 $13,286 9/17 $10,366 $12,399 $13,816 10/17 $10,523 $12,657 $14,028 11/17 $10,772 $12,902 $14,388 12/17 $10,789 $13,110 $14,457 1/18 $10,999 $13,850 $14,757 2/18 $10,390 $13,268 $13,967 3/18 $10,448 $12,984 $14,002 4/18 $10,448 $13,108 $14,059 5/18 $10,490 $13,124 $14,099 6/18 $10,348 $13,053 $13,957 7/18 $10,668 $13,447 $14,386 8/18 $10,595 $13,552 $14,331 9/18 $10,506 $13,611 $14,225 10/18 $9,639 $12,591 $13,041 11/18 $9,860 $12,776 $13,328 12/18 $9,319 $11,876 $12,615 1/19 $10,091 $12,813 $13,746 2/19 $10,415 $13,156 $14,214 3/19 $10,405 $13,322 $14,193 4/19 $10,783 $13,771 $14,708 5/19 $10,091 $12,954 $13,773 6/19 $10,926 $13,803 $14,952 7/19 $10,905 $13,843 $14,990 8/19 $10,735 $13,515 $14,717 9/19 $11,017 $13,799 $15,106 10/19 $11,512 $14,177 $15,817 11/19 $11,522 $14,523 $15,841 12/19 $11,930 $15,034 $16,444 1/20 $11,796 $14,868 $16,310 2/20 $10,937 $13,667 $15,016 3/20 $9,199 $11,822 $12,706 4/20 $9,977 $13,089 $13,795 5/20 $10,524 $13,658 $14,502 6/20 $10,674 $14,094 $14,723 7/20 $11,163 $14,840 $15,454 8/20 $11,700 $15,748 $16,234 9/20 $11,630 $15,240 $16,122 10/20 $11,630 $14,870 $16,131 11/20 $12,988 $16,703 $18,090 12/20 $13,694 $17,478 $19,065 1/21 $13,564 $17,399 $18,934 2/21 $13,986 $17,802 $19,525 3/21 $14,592 $18,277 $20,380 4/21 $15,224 $19,076 $21,294 5/21 $15,451 $19,373 $21,614 6/21 $15,397 $19,628 $21,562 7/21 $15,911 $19,764 $22,303 8/21 $16,420 $20,258 $23,061 9/21 $15,473 $19,421 $21,794 10/21 $16,149 $20,413 $22,716 11/21 $15,944 $19,921 $22,430 12/21 $16,788 $20,718 $23,679 1/22 $15,467 $19,701 $21,747 2/22 $15,047 $19,192 $21,250 3/22 $15,036 $19,607 $21,331 4/22 $13,911 $18,038 $19,745 5/22 $13,911 $18,059 $19,688 6/22 $12,846 $16,537 $18,159 7/22 $14,031 $17,692 $19,843 8/22 $13,283 $17,040 $18,888 9/22 $11,973 $15,409 $17,039 10/22 $12,928 $16,339 $18,377 11/22 $14,069 $17,606 $19,838 12/22 $13,495 $16,913 $19,190 1/23 $14,664 $18,126 $20,830 2/23 $14,337 $17,606 $20,465 3/23 $14,548 $18,149 $20,730 4/23 $14,559 $18,410 $20,760 5/23 $14,309 $18,213 $20,390 6/23 $15,140 $19,270 $21,606 7/23 $15,539 $19,976 $22,247 8/23 $14,963 $19,418 $21,444 9/23 $13,888 $18,615 $19,935 10/23 $13,412 $18,055 $19,188 11/23 $14,875 $19,721 $21,364 12/23 $15,965 $20,669 $22,954 1/24 $15,340 $20,790 $22,167 2/24 $16,051 $21,682 $23,112 3/24 $16,545 $22,363 $23,859 4/24 $15,937 $21,625 $23,051 5/24 $16,653 $22,503 $23,981 6/24 $16,187 $23,004 $23,387 7/24 $17,210 $23,375 $24,877 8/24 $17,580 $23,969 $25,425 9/24 $18,299 $24,526 $26,534 | |
| Average Annual Return [Table Text Block] | Fund 1 Year 5 Years 10 Years Class A 31.73% 10.67% 6.80% Class A with 5.25% Maximum Sales Charge 24.81% 9.48% 6.22% MSCI ACWI Index (net of foreign withholding taxes) 31.76% 12.18% 9.38% Calvert Global Water Research Spliced Benchmark Footnote Reference 33.10% 11.91% 10.24% | |
| Material Change Date | Sep. 30, 2023 | |
| AssetsNet | $ 606,147,530 | |
| Holdings Count | Holding | 111 | |
| Advisory Fees Paid, Amount | $ 3,806,564 | |
| InvestmentCompanyPortfolioTurnover | 29% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $606,147,530 # of Portfolio Holdings 111 Portfolio Turnover Rate 29% Total Advisory Fees Paid $3,806,564 | |
| Holdings [Text Block] | Country Allocation (% of total investments) Value Value Other 12.6% South Korea 1.9% Italy 2.0% Australia 2.3% France 3.3% Brazil 3.7% Switzerland 4.8% China 5.1% Japan 7.8% United Kingdom 7.8% United States 48.7% Top Ten Holdings (% of total investments) Footnote Reference Ecolab, Inc. 1.8% Pentair PLC 1.7% Xylem, Inc. 1.7% American Water Works Co., Inc. 1.7% Veralto Corp. 1.6% Veolia Environnement SA 1.6% Tetra Tech, Inc. 1.5% Zurn Elkay Water Solutions Corp., Class C 1.5% United Utilities Group PLC 1.5% Severn Trent PLC 1.5% Total 16.1% Footnote Description Footnote a Excluding cash equivalents | |
| Material Fund Change [Text Block] | Material Fund Changes This is a summary of certain changes to the Fund since September 30, 2023. For more complete information, you may review the Fund’s next prospectus, which we expect to be available by February 1, 2025 at www.eatonvance.com/calvert-fund-documents.php Effective July 1, 2024, the Fund is managed by a team comprised of Jennifer Mihara, Thomas C. Seto and Gordon Wotherspoon. Prior to July 1, 2024, the Fund was managed by Thomas C. Seto who intends to retire after December 31, 2024. | |
| Material Fund Change Risks Change [Text Block] | Effective July 1, 2024, the Fund is managed by a team comprised of Jennifer Mihara, Thomas C. Seto and Gordon Wotherspoon. Prior to July 1, 2024, the Fund was managed by Thomas C. Seto who intends to retire after December 31, 2024. | |
| Summary of Change Legend [Text Block] | This is a summary of certain changes to the Fund since September 30, 2023. For more complete information, you may review the Fund’s next prospectus, which we expect to be available by February 1, 2025 at www.eatonvance.com/calvert-fund-documents.php | |
| Updated Prospectus Phone Number | 1-800-368-2745 | |
| C000070984 | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Calvert Global Water Fund | |
| Class Name | Class C | |
| Trading Symbol | CFWCX | |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Calvert Global Water Fund for the period of October 1, 2023 to September 30, 2024. | |
| Shareholder Report Annual or Semi-Annual | Annual Shareholder Report | |
| Additional Information [Text Block] | You can find additional information about the Fund at www.eatonvance.com/calvert-fund-documents.php | |
| Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. | |
| Additional Information Phone Number | 1-800-368-2745 | |
| Additional Information Website | www.eatonvance.com/calvert-fund-documents.php</span>" id="sjs-B136"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left;">www.eatonvance.com/calvert-fund-documents.php</span> | |
| Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class C $230 1.99% | |
| Expenses Paid, Amount | $ 230 | |
| Expense Ratio, Percent | 1.99% | |
| Factors Affecting Performance [Text Block] | How did the Fund perform last year and what affected its performance? Key contributors to (↑) and detractors from (↓) performance, relative to the MSCI ACWI Index (the Index): ↓ Not owning shares of NVIDIA Corp., which appreciated 179.24% during the period riding the crest of the artificial intelligence wave, hurt relative returns ↓ An overweight exposure to Orbia Advance Corp., a water infrastructure company, hampered returns as its earnings and revenues fell during the period ↓ Not owning shares of technology giant Meta Platforms ― owner of Facebook and other popular brands ― which appreciated 91.08% during the period, hurt returns ↓ An allocation to Energy Recovery, Inc., a water technology firm, detracted from Index-relative returns on the basis of lower revenues and negative earnings ↑ An overweight position in Hawkins, Inc., a provider of water treatment chemicals and equipment, contributed to returns as it reported strong earnings ↑ An overweight position in Organo Corp., a Japanese manufacturer of water purifiers and electrical equipment, helped returns as it reported strong profits ↑ An overweight position in Mueller Industries, Inc., a provider of piping and plumbing systems, contributed to returns on the basis of its sales growth ↑ Reliance Worldwide Corp., Ltd., a water technology business, helped returns as improved margins in the U.S. and solid cash flows led to better-than-expected earnings | |
| Performance Past Does Not Indicate Future [Text] | THE FUND'S PAST PERFORMANCE IS NO GUARANTEE OF FUTURE RESULTS. | |
| Line Graph [Table Text Block] | Class C MSCI ACWI Index Calvert Global Water Research Spliced Benchmark 9/14 $10,000 $10,000 $10,000 10/14 $10,130 $10,070 $10,304 11/14 $9,832 $10,239 $10,266 12/14 $9,614 $10,041 $10,201 1/15 $9,051 $9,884 $9,986 2/15 $9,696 $10,435 $10,282 3/15 $9,578 $10,273 $10,128 4/15 $9,918 $10,571 $10,624 5/15 $9,719 $10,557 $10,567 6/15 $9,426 $10,309 $10,288 7/15 $9,098 $10,398 $10,083 8/15 $8,629 $9,685 $9,576 9/15 $8,108 $9,334 $9,556 10/15 $8,747 $10,067 $10,218 11/15 $8,858 $9,984 $10,357 12/15 $8,331 $9,804 $10,086 1/16 $7,856 $9,213 $9,889 2/16 $7,973 $9,149 $9,970 3/16 $8,717 $9,827 $10,777 4/16 $9,051 $9,972 $11,246 5/16 $9,045 $9,985 $11,327 6/16 $9,192 $9,924 $11,516 7/16 $9,408 $10,352 $11,826 8/16 $9,438 $10,387 $11,865 9/16 $9,590 $10,451 $12,069 10/16 $9,244 $10,273 $11,657 11/16 $9,420 $10,351 $11,897 12/16 $9,426 $10,575 $11,997 1/17 $9,648 $10,864 $12,320 2/17 $9,830 $11,169 $12,577 3/17 $9,959 $11,305 $12,750 4/17 $10,158 $11,482 $13,022 5/17 $10,164 $11,735 $13,052 6/17 $10,211 $11,789 $13,118 7/17 $10,463 $12,118 $13,463 8/17 $10,322 $12,164 $13,286 9/17 $10,709 $12,399 $13,816 10/17 $10,855 $12,657 $14,028 11/17 $11,113 $12,902 $14,388 12/17 $11,115 $13,110 $14,457 1/18 $11,326 $13,850 $14,757 2/18 $10,698 $13,268 $13,967 3/18 $10,750 $12,984 $14,002 4/18 $10,745 $13,108 $14,059 5/18 $10,780 $13,124 $14,099 6/18 $10,627 $13,053 $13,957 7/18 $10,951 $13,447 $14,386 8/18 $10,868 $13,552 $14,331 9/18 $10,774 $13,611 $14,225 10/18 $9,875 $12,591 $13,041 11/18 $10,098 $12,776 $13,328 12/18 $9,536 $11,876 $12,615 1/19 $10,322 $12,813 $13,746 2/19 $10,647 $13,156 $14,214 3/19 $10,629 $13,322 $14,193 4/19 $11,007 $13,771 $14,708 5/19 $10,292 $12,954 $13,773 6/19 $11,143 $13,803 $14,952 7/19 $11,107 $13,843 $14,990 8/19 $10,930 $13,515 $14,717 9/19 $11,214 $13,799 $15,106 10/19 $11,704 $14,177 $15,817 11/19 $11,710 $14,523 $15,841 12/19 $12,119 $15,034 $16,444 1/20 $11,971 $14,868 $16,310 2/20 $11,095 $13,667 $15,016 3/20 $9,325 $11,822 $12,706 4/20 $10,112 $13,089 $13,795 5/20 $10,657 $13,658 $14,502 6/20 $10,799 $14,094 $14,723 7/20 $11,284 $14,840 $15,454 8/20 $11,823 $15,748 $16,234 9/20 $11,746 $15,240 $16,122 10/20 $11,734 $14,870 $16,131 11/20 $13,102 $16,703 $18,090 12/20 $13,805 $17,478 $19,065 1/21 $13,662 $17,399 $18,934 2/21 $14,083 $17,802 $19,525 3/21 $14,681 $18,277 $20,380 4/21 $15,309 $19,076 $21,294 5/21 $15,528 $19,373 $21,614 6/21 $15,463 $19,628 $21,562 7/21 $15,966 $19,764 $22,303 8/21 $16,464 $20,258 $23,061 9/21 $15,510 $19,421 $21,794 10/21 $16,180 $20,413 $22,716 11/21 $15,961 $19,921 $22,430 12/21 $16,798 $20,718 $23,679 1/22 $15,468 $19,701 $21,747 2/22 $15,035 $19,192 $21,250 3/22 $15,017 $19,607 $21,331 4/22 $13,883 $18,038 $19,745 5/22 $13,877 $18,059 $19,688 6/22 $12,808 $16,537 $18,159 7/22 $13,978 $17,692 $19,843 8/22 $13,224 $17,040 $18,888 9/22 $11,911 $15,409 $17,039 10/22 $12,856 $16,339 $18,377 11/22 $13,978 $17,606 $19,838 12/22 $13,406 $16,913 $19,190 1/23 $14,554 $18,126 $20,830 2/23 $14,219 $17,606 $20,465 3/23 $14,423 $18,149 $20,730 4/23 $14,423 $18,410 $20,760 5/23 $14,166 $18,213 $20,390 6/23 $14,979 $19,270 $21,606 7/23 $15,367 $19,976 $22,247 8/23 $14,787 $19,418 $21,444 9/23 $13,717 $18,615 $19,935 10/23 $13,233 $18,055 $19,188 11/23 $14,668 $19,721 $21,364 12/23 $15,735 $20,669 $22,954 1/24 $15,107 $20,790 $22,167 2/24 $15,802 $21,682 $23,112 3/24 $16,278 $22,363 $23,859 4/24 $15,668 $21,625 $23,051 5/24 $16,364 $22,503 $23,981 6/24 $15,894 $23,004 $23,387 7/24 $16,888 $23,375 $24,877 8/24 $17,236 $23,969 $25,425 9/24 $18,201 $24,526 $26,534 | |
| Average Annual Return [Table Text Block] | Fund 1 Year 5 Years 10 Years Class C 30.72% 9.83% 6.17% Class C with 1% Maximum Deferred Sales Charge 29.72% 9.83% 6.17% MSCI ACWI Index (net of foreign withholding taxes) 31.76% 12.18% 9.38% Calvert Global Water Research Spliced Benchmark Footnote Reference 33.10% 11.91% 10.24% | |
| Material Change Date | Sep. 30, 2023 | |
| AssetsNet | $ 606,147,530 | |
| Holdings Count | Holding | 111 | |
| Advisory Fees Paid, Amount | $ 3,806,564 | |
| InvestmentCompanyPortfolioTurnover | 29% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $606,147,530 # of Portfolio Holdings 111 Portfolio Turnover Rate 29% Total Advisory Fees Paid $3,806,564 | |
| Holdings [Text Block] | Country Allocation (% of total investments) Value Value Other 12.6% South Korea 1.9% Italy 2.0% Australia 2.3% France 3.3% Brazil 3.7% Switzerland 4.8% China 5.1% Japan 7.8% United Kingdom 7.8% United States 48.7% Top Ten Holdings (% of total investments) Footnote Reference Ecolab, Inc. 1.8% Pentair PLC 1.7% Xylem, Inc. 1.7% American Water Works Co., Inc. 1.7% Veralto Corp. 1.6% Veolia Environnement SA 1.6% Tetra Tech, Inc. 1.5% Zurn Elkay Water Solutions Corp., Class C 1.5% United Utilities Group PLC 1.5% Severn Trent PLC 1.5% Total 16.1% Footnote Description Footnote a Excluding cash equivalents | |
| Material Fund Change [Text Block] | Material Fund Changes This is a summary of certain changes to the Fund since September 30, 2023. For more complete information, you may review the Fund’s next prospectus, which we expect to be available by February 1, 2025 at www.eatonvance.com/calvert-fund-documents.php Effective July 1, 2024, the Fund is managed by a team comprised of Jennifer Mihara, Thomas C. Seto and Gordon Wotherspoon. Prior to July 1, 2024, the Fund was managed by Thomas C. Seto who intends to retire after December 31, 2024. | |
| Material Fund Change Risks Change [Text Block] | Effective July 1, 2024, the Fund is managed by a team comprised of Jennifer Mihara, Thomas C. Seto and Gordon Wotherspoon. Prior to July 1, 2024, the Fund was managed by Thomas C. Seto who intends to retire after December 31, 2024. | |
| Summary of Change Legend [Text Block] | This is a summary of certain changes to the Fund since September 30, 2023. For more complete information, you may review the Fund’s next prospectus, which we expect to be available by February 1, 2025 at www.eatonvance.com/calvert-fund-documents.php | |
| Updated Prospectus Phone Number | 1-800-368-2745 | |
| C000139783 | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Calvert Global Water Fund | |
| Class Name | Class I | |
| Trading Symbol | CFWIX | |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Calvert Global Water Fund for the period of October 1, 2023 to September 30, 2024. | |
| Shareholder Report Annual or Semi-Annual | Annual Shareholder Report | |
| Additional Information [Text Block] | You can find additional information about the Fund at www.eatonvance.com/calvert-fund-documents.php | |
| Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. | |
| Additional Information Phone Number | 1-800-368-2745 | |
| Additional Information Website | www.eatonvance.com/calvert-fund-documents.php</span>" id="sjs-B165"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left;">www.eatonvance.com/calvert-fund-documents.php</span> | |
| Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class I $115 0.99% | |
| Expenses Paid, Amount | $ 115 | |
| Expense Ratio, Percent | 0.99% | |
| Factors Affecting Performance [Text Block] | How did the Fund perform last year and what affected its performance? Key contributors to (↑) and detractors from (↓) performance, relative to the MSCI ACWI Index (the Index): ↑ An overweight position in Hawkins, Inc., a provider of water treatment chemicals and equipment, contributed to returns as it reported strong earnings ↑ An overweight position in Organo Corp., a Japanese manufacturer of water purifiers and electrical equipment, helped returns as it reported strong profits ↑ An overweight position in Mueller Industries, Inc., a provider of piping and plumbing systems, contributed to returns on the basis of its sales growth ↑ Reliance Worldwide Corp., Ltd. a water technology business, helped returns as improved margins in the U.S. and solid cash flows led to better-than-expected earnings ↓ Not owning shares of NVIDIA Corp., which appreciated 179.24% during the period riding the crest of the artificial intelligence wave, hurt relative returns ↓ An overweight exposure to Orbia Advance Corp., a water infrastructure company, hampered returns as its earnings and revenues fell during the period ↓ Not owning shares of technology giant Meta Platforms ― owner of Facebook and other popular brands ― which appreciated 91.08% during the period, hurt returns ↓ An allocation to Energy Recovery, Inc., a water technology firm, detracted from Index-relative returns on the basis of lower revenues and negative earnings | |
| Performance Past Does Not Indicate Future [Text] | THE FUND'S PAST PERFORMANCE IS NO GUARANTEE OF FUTURE RESULTS. | |
| Line Graph [Table Text Block] | Class I MSCI ACWI Index Calvert Global Water Research Spliced Benchmark 9/14 $1,000,000 $1,000,000 $1,000,000 10/14 $1,013,747 $1,007,043 $1,030,386 11/14 $984,725 $1,023,889 $1,026,601 12/14 $964,349 $1,004,127 $1,020,073 1/15 $908,072 $988,432 $998,568 2/15 $974,183 $1,043,460 $1,028,243 3/15 $963,256 $1,027,288 $1,012,836 4/15 $998,761 $1,057,098 $1,062,434 5/15 $979,646 $1,055,718 $1,056,713 6/15 $951,773 $1,030,863 $1,028,824 7/15 $918,986 $1,039,816 $1,008,289 8/15 $872,545 $968,536 $957,643 9/15 $820,635 $933,447 $955,649 10/15 $886,746 $1,006,706 $1,021,817 11/15 $898,762 $998,395 $1,035,708 12/15 $845,749 $980,390 $1,008,648 1/16 $798,822 $921,262 $988,901 2/16 $811,525 $914,921 $996,987 3/16 $887,707 $982,726 $1,077,705 4/16 $923,038 $997,232 $1,124,634 5/16 $923,043 $998,492 $1,132,651 6/16 $938,507 $992,443 $1,151,565 7/16 $961,702 $1,035,214 $1,182,615 8/16 $965,561 $1,038,695 $1,186,508 9/16 $982,131 $1,045,061 $1,206,917 10/16 $947,897 $1,027,323 $1,165,671 11/16 $966,665 $1,035,131 $1,189,690 12/16 $967,766 $1,057,491 $1,199,699 1/17 $991,503 $1,086,406 $1,232,015 2/17 $1,011,372 $1,116,881 $1,257,673 3/17 $1,025,723 $1,130,545 $1,275,015 4/17 $1,047,247 $1,148,164 $1,302,242 5/17 $1,048,907 $1,173,519 $1,305,155 6/17 $1,054,436 $1,178,855 $1,311,811 7/17 $1,081,487 $1,211,800 $1,346,340 8/17 $1,067,676 $1,216,443 $1,328,551 9/17 $1,108,521 $1,239,945 $1,381,634 10/17 $1,125,087 $1,265,692 $1,402,836 11/17 $1,152,697 $1,290,194 $1,438,817 12/17 $1,154,585 $1,310,994 $1,445,708 1/18 $1,177,530 $1,384,956 $1,475,660 2/18 $1,113,201 $1,326,790 $1,396,722 3/18 $1,119,348 $1,298,388 $1,400,239 4/18 $1,119,908 $1,310,787 $1,405,893 5/18 $1,124,382 $1,312,423 $1,409,896 6/18 $1,109,273 $1,305,316 $1,395,701 7/18 $1,144,522 $1,344,680 $1,438,643 8/18 $1,136,694 $1,355,245 $1,433,121 9/18 $1,127,194 $1,361,143 $1,422,480 10/18 $1,034,337 $1,259,140 $1,304,092 11/18 $1,058,386 $1,277,556 $1,332,843 12/18 $1,000,823 $1,187,572 $1,261,507 1/19 $1,083,843 $1,281,342 $1,374,573 2/19 $1,119,101 $1,315,614 $1,421,407 3/19 $1,117,964 $1,332,159 $1,419,350 4/19 $1,158,913 $1,377,141 $1,470,801 5/19 $1,084,995 $1,295,450 $1,377,334 6/19 $1,175,413 $1,380,276 $1,495,178 7/19 $1,172,563 $1,384,320 $1,499,002 8/19 $1,154,944 $1,351,481 $1,471,706 9/19 $1,185,656 $1,379,918 $1,510,649 10/19 $1,239,119 $1,417,685 $1,581,675 11/19 $1,240,267 $1,452,292 $1,584,082 12/19 $1,284,626 $1,503,435 $1,644,417 1/20 $1,270,265 $1,486,828 $1,630,993 2/20 $1,178,303 $1,366,737 $1,501,592 3/20 $990,914 $1,182,223 $1,270,589 4/20 $1,075,413 $1,308,869 $1,379,458 5/20 $1,134,608 $1,365,793 $1,450,212 6/20 $1,150,712 $1,409,434 $1,472,315 7/20 $1,203,590 $1,483,974 $1,545,363 8/20 $1,262,205 $1,574,801 $1,623,397 9/20 $1,254,723 $1,524,025 $1,612,163 10/20 $1,254,737 $1,486,978 $1,613,106 11/20 $1,401,894 $1,670,267 $1,808,978 12/20 $1,478,310 $1,747,816 $1,906,463 1/21 $1,464,384 $1,739,867 $1,893,420 2/21 $1,510,804 $1,780,169 $1,952,461 3/21 $1,576,382 $1,827,716 $2,038,007 4/21 $1,644,876 $1,907,628 $2,129,437 5/21 $1,669,842 $1,937,315 $2,161,395 6/21 $1,664,598 $1,962,847 $2,156,202 7/21 $1,720,341 $1,976,370 $2,230,334 8/21 $1,775,480 $2,025,837 $2,306,085 9/21 $1,673,908 $1,942,150 $2,179,377 10/21 $1,747,621 $2,041,284 $2,271,570 11/21 $1,725,565 $1,992,129 $2,242,992 12/21 $1,817,417 $2,071,815 $2,367,866 1/22 $1,674,725 $1,970,063 $2,174,688 2/22 $1,628,923 $1,919,182 $2,124,974 3/22 $1,628,335 $1,960,750 $2,133,104 4/22 $1,506,783 $1,803,808 $1,974,530 5/22 $1,507,370 $1,805,919 $1,968,790 6/22 $1,392,277 $1,653,686 $1,815,917 7/22 $1,520,876 $1,769,167 $1,984,341 8/22 $1,439,841 $1,704,036 $1,888,825 9/22 $1,298,323 $1,540,910 $1,703,891 10/22 $1,402,259 $1,633,899 $1,837,683 11/22 $1,526,161 $1,760,630 $1,983,758 12/22 $1,464,849 $1,691,347 $1,918,994 1/23 $1,591,500 $1,812,578 $2,083,000 2/23 $1,556,253 $1,760,629 $2,046,460 3/23 $1,579,552 $1,814,914 $2,072,973 4/23 $1,581,344 $1,840,999 $2,076,017 5/23 $1,554,461 $1,821,281 $2,039,035 6/23 $1,644,670 $1,927,026 $2,160,638 7/23 $1,688,878 $1,997,570 $2,224,730 8/23 $1,626,150 $1,941,751 $2,144,446 9/23 $1,510,253 $1,861,458 $1,993,511 10/23 $1,458,278 $1,805,489 $1,918,786 11/23 $1,617,786 $1,972,129 $2,136,384 12/23 $1,736,523 $2,066,858 $2,295,428 1/24 $1,668,954 $2,078,974 $2,216,665 2/24 $1,746,966 $2,168,190 $2,311,225 3/24 $1,801,021 $2,236,264 $2,385,856 4/24 $1,735,295 $2,162,483 $2,305,134 5/24 $1,813,920 $2,250,309 $2,398,064 6/24 $1,762,937 $2,300,429 $2,338,708 7/24 $1,874,733 $2,337,529 $2,487,671 8/24 $1,915,274 $2,396,894 $2,542,507 9/24 $1,993,819 $2,452,576 $2,653,403 | |
| Average Annual Return [Table Text Block] | Fund 1 Year 5 Years 10 Years Class I 32.02% 10.94% 7.14% MSCI ACWI Index (net of foreign withholding taxes) 31.76% 12.18% 9.38% Calvert Global Water Research Spliced Benchmark Footnote Reference 33.10% 11.91% 10.24% | |
| Material Change Date | Sep. 30, 2023 | |
| AssetsNet | $ 606,147,530 | |
| Holdings Count | Holding | 111 | |
| Advisory Fees Paid, Amount | $ 3,806,564 | |
| InvestmentCompanyPortfolioTurnover | 29% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $606,147,530 # of Portfolio Holdings 111 Portfolio Turnover Rate 29% Total Advisory Fees Paid $3,806,564 | |
| Holdings [Text Block] | Country Allocation (% of total investments) Value Value Other 12.6% South Korea 1.9% Italy 2.0% Australia 2.3% France 3.3% Brazil 3.7% Switzerland 4.8% China 5.1% Japan 7.8% United Kingdom 7.8% United States 48.7% Top Ten Holdings (% of total investments) Footnote Reference Ecolab, Inc. 1.8% Pentair PLC 1.7% Xylem, Inc. 1.7% American Water Works Co., Inc. 1.7% Veralto Corp. 1.6% Veolia Environnement SA 1.6% Tetra Tech, Inc. 1.5% Zurn Elkay Water Solutions Corp., Class C 1.5% United Utilities Group PLC 1.5% Severn Trent PLC 1.5% Total 16.1% Footnote Description Footnote a Excluding cash equivalents | |
| Material Fund Change [Text Block] | Material Fund Changes This is a summary of certain changes to the Fund since September 30, 2023. For more complete information, you may review the Fund’s next prospectus, which we expect to be available by February 1, 2025 at www.eatonvance.com/calvert-fund-documents.php Effective July 1, 2024, the Fund is managed by a team comprised of Jennifer Mihara, Thomas C. Seto and Gordon Wotherspoon. Prior to July 1, 2024, the Fund was managed by Thomas C. Seto who intends to retire after December 31, 2024. | |
| Material Fund Change Risks Change [Text Block] | Effective July 1, 2024, the Fund is managed by a team comprised of Jennifer Mihara, Thomas C. Seto and Gordon Wotherspoon. Prior to July 1, 2024, the Fund was managed by Thomas C. Seto who intends to retire after December 31, 2024. | |
| Summary of Change Legend [Text Block] | This is a summary of certain changes to the Fund since September 30, 2023. For more complete information, you may review the Fund’s next prospectus, which we expect to be available by February 1, 2025 at www.eatonvance.com/calvert-fund-documents.php | |
| Updated Prospectus Phone Number | 1-800-368-2745 | |
| C000131729 | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Calvert Green Bond Fund | |
| Class Name | Class A | |
| Trading Symbol | CGAFX | |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Calvert Green Bond Fund for the period of October 1, 2023 to September 30, 2024. | |
| Shareholder Report Annual or Semi-Annual | Annual Shareholder Report | |
| Additional Information [Text Block] | You can find additional information about the Fund at www.eatonvance.com/calvert-fund-documents.php | |
| Additional Information Phone Number | 1-800-368-2745 | |
| Additional Information Website | www.eatonvance.com/calvert-fund-documents.php</span>" id="sjs-B193"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left;">www.eatonvance.com/calvert-fund-documents.php</span> | |
| Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class A $77 0.73% | |
| Expenses Paid, Amount | $ 77 | |
| Expense Ratio, Percent | 0.73% | |
| Factors Affecting Performance [Text Block] | How did the Fund perform last year and what affected its performance? Key contributors to (↑) and detractors from (↓) performance, relative to the ICE BofA USD Green Bond Index (the Index): ↓ The Fund’s selections in government-related securities detracted from performance relative to the Index during the period ↓ An out-of-Index allocation to asset-backed securities, commercial mortgage-backed securities, and agency mortgage-backed securities detracted from Index-relative returns during the period ↓ An underweight position in investment-grade corporate bonds hampered returns relative to the Index during the period ↑ The Fund’s use of U.S. Treasury futures contracts to help manage interest rate movements during the period aided performance relative to the Index ↑ The Fund’s interest-rate duration position contributed to performance relative to the Index during the period ↑ An underweight position in government-related securities and an overweight position in high yield corporate bonds contributed to Index-relative returns ↑ The Fund’s selections in investment-grade corporate bonds aided performance relative to the Index | |
| Performance Past Does Not Indicate Future [Text] | THE FUND'S PAST PERFORMANCE IS NO GUARANTEE OF FUTURE RESULTS. | |
| Line Graph [Table Text Block] | Class A with Maximum Sales Charge Bloomberg U.S. Universal Index ICE BofA USD Green Bond Index 9/14 $9,675 $10,000 $10,000 10/14 $9,743 $10,098 $10,058 11/14 $9,805 $10,152 $10,133 12/14 $9,827 $10,134 $10,186 1/15 $10,027 $10,327 $10,348 2/15 $9,962 $10,267 $10,266 3/15 $9,993 $10,309 $10,317 4/15 $9,940 $10,297 $10,294 5/15 $9,912 $10,279 $10,285 6/15 $9,800 $10,164 $10,205 7/15 $9,858 $10,224 $10,261 8/15 $9,838 $10,194 $10,264 9/15 $9,864 $10,233 $10,338 10/15 $9,875 $10,266 $10,320 11/15 $9,830 $10,229 $10,314 12/15 $9,802 $10,178 $10,281 1/16 $9,914 $10,290 $10,421 2/16 $9,961 $10,363 $10,463 3/16 $10,061 $10,490 $10,533 4/16 $10,107 $10,562 $10,563 5/16 $10,134 $10,570 $10,572 6/16 $10,279 $10,756 $10,724 7/16 $10,367 $10,844 $10,771 8/16 $10,369 $10,856 $10,757 9/16 $10,378 $10,859 $10,770 10/16 $10,320 $10,787 $10,697 11/16 $10,163 $10,544 $10,433 12/16 $10,160 $10,576 $10,435 1/17 $10,203 $10,613 $10,471 2/17 $10,265 $10,695 $10,558 3/17 $10,265 $10,691 $10,577 4/17 $10,319 $10,780 $10,655 5/17 $10,376 $10,863 $10,738 6/17 $10,383 $10,854 $10,727 7/17 $10,431 $10,908 $10,784 8/17 $10,505 $11,002 $10,872 9/17 $10,451 $10,963 $10,821 10/17 $10,449 $10,976 $10,807 11/17 $10,444 $10,960 $10,809 12/17 $10,466 $11,008 $10,811 1/18 $10,381 $10,902 $10,706 2/18 $10,318 $10,799 $10,618 3/18 $10,348 $10,853 $10,636 4/18 $10,294 $10,781 $10,560 5/18 $10,340 $10,840 $10,591 6/18 $10,342 $10,824 $10,606 7/18 $10,339 $10,847 $10,631 8/18 $10,414 $10,900 $10,674 9/18 $10,367 $10,853 $10,637 10/18 $10,308 $10,763 $10,527 11/18 $10,362 $10,811 $10,535 12/18 $10,497 $10,980 $10,799 1/19 $10,581 $11,132 $10,923 2/19 $10,609 $11,144 $10,945 3/19 $10,785 $11,345 $11,162 4/19 $10,812 $11,361 $11,201 5/19 $10,953 $11,535 $11,372 6/19 $11,095 $11,698 $11,551 7/19 $11,166 $11,733 $11,598 8/19 $11,428 $11,998 $11,871 9/19 $11,353 $11,946 $11,801 10/19 $11,386 $11,985 $11,860 11/19 $11,378 $11,982 $11,850 12/19 $11,338 $12,000 $11,863 1/20 $11,607 $12,216 $12,123 2/20 $11,726 $12,399 $12,306 3/20 $11,084 $12,156 $11,811 4/20 $11,506 $12,400 $12,157 5/20 $11,569 $12,516 $12,276 6/20 $11,723 $12,620 $12,468 7/20 $11,964 $12,842 $12,709 8/20 $11,937 $12,768 $12,637 9/20 $11,952 $12,745 $12,600 10/20 $11,937 $12,699 $12,584 11/20 $12,084 $12,865 $12,796 12/20 $12,130 $12,909 $12,870 1/21 $12,106 $12,828 $12,769 2/21 $11,951 $12,663 $12,546 3/21 $11,868 $12,515 $12,424 4/21 $11,895 $12,621 $12,547 5/21 $11,916 $12,669 $12,596 6/21 $11,972 $12,761 $12,719 7/21 $12,103 $12,889 $12,853 8/21 $12,065 $12,881 $12,839 9/21 $11,972 $12,771 $12,702 10/21 $11,917 $12,760 $12,694 11/21 $11,923 $12,776 $12,691 12/21 $11,897 $12,767 $12,667 1/22 $11,671 $12,487 $12,370 2/22 $11,468 $12,317 $12,173 3/22 $11,219 $11,986 $11,883 4/22 $10,857 $11,539 $11,444 5/22 $10,850 $11,603 $11,469 6/22 $10,587 $11,371 $11,262 7/22 $10,897 $11,657 $11,498 8/22 $10,606 $11,354 $11,267 9/22 $10,215 $10,865 $10,783 10/22 $10,166 $10,745 $10,653 11/22 $10,465 $11,146 $11,039 12/22 $10,349 $11,108 $11,051 1/23 $10,680 $11,453 $11,359 2/23 $10,457 $11,171 $11,105 3/23 $10,621 $11,434 $11,330 4/23 $10,710 $11,503 $11,449 5/23 $10,608 $11,384 $11,326 6/23 $9,986 $11,366 $11,311 7/23 $10,021 $11,378 $11,350 8/23 $9,974 $11,309 $11,296 9/23 $9,792 $11,040 $11,090 10/23 $9,663 $10,874 $10,944 11/23 $10,053 $11,363 $11,387 12/23 $10,399 $11,794 $11,778 1/24 $10,391 $11,766 $11,769 2/24 $10,301 $11,625 $11,667 3/24 $10,395 $11,739 $11,773 4/24 $10,205 $11,465 $11,559 5/24 $10,362 $11,655 $11,736 6/24 $10,443 $11,761 $11,828 7/24 $10,643 $12,028 $12,054 8/24 $10,806 $12,205 $12,239 9/24 $12,403 $12,373 $12,403 | |
| Average Annual Return [Table Text Block] | Fund 1 Year 5 Years 10 Years Class A 11.33% 0.33% 1.78% Class A with 3.25% Maximum Sales Charge 7.71% (0.32)% 1.44% Bloomberg U.S. Universal Index Footnote Reference 12.08% 0.70% 2.15% ICE BofA USD Green Bond Index Footnote Reference 11.83% 1.00% 2.17% | |
| AssetsNet | $ 804,720,833 | |
| Holdings Count | Holding | 182 | |
| Advisory Fees Paid, Amount | $ 1,443,411 | |
| InvestmentCompanyPortfolioTurnover | 26% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $804,720,833 # of Portfolio Holdings 182 Portfolio Turnover Rate 26% Total Advisory Fees Paid $1,443,411 | |
| Holdings [Text Block] | Credit Quality (% of total investments) Footnote Reference Value Value Cash & Equivalents 1.8% Not Rated 0.1% B 0.5% BB 2.3% BBB 20.1% A 21.3% AA 9.8% AAA 44.1% Footnote Description Footnote a Ratings are based on Moody’s Investors Service, Inc. (“Moody’s”), S&P Global Ratings (“S&P”) or Fitch Ratings (“Fitch”), or Kroll Bond Rating Agency, LLC (“Kroll”) for securitized debt instruments only (such as asset-backed and mortgage-backed securities). If securities are rated differently by the ratings agencies, the highest rating is applied. Moody's ratings are converted to the S&P, Fitch and Kroll scale with ratings ranging from AAA, being the highest, to D, being the lowest. Ratings of BBB or higher are considered to be investment-grade quality. Holdings designated as “Not Rated” (if any) are not rated by the national ratings agencies stated above. | |
| Material Fund Change [Text Block] | ||
| Updated Prospectus Phone Number | 1-800-368-2745 | |
| C000131731 | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Calvert Green Bond Fund | |
| Class Name | Class I | |
| Trading Symbol | CGBIX | |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Calvert Green Bond Fund for the period of October 1, 2023 to September 30, 2024. | |
| Shareholder Report Annual or Semi-Annual | Annual Shareholder Report | |
| Additional Information [Text Block] | You can find additional information about the Fund at www.eatonvance.com/calvert-fund-documents.php | |
| Additional Information Phone Number | 1-800-368-2745 | |
| Additional Information Website | www.eatonvance.com/calvert-fund-documents.php</span>" id="sjs-B218"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left;">www.eatonvance.com/calvert-fund-documents.php</span> | |
| Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class I $51 0.48% | |
| Expenses Paid, Amount | $ 51 | |
| Expense Ratio, Percent | 0.48% | |
| Factors Affecting Performance [Text Block] | How did the Fund perform last year and what affected its performance? Key contributors to (↑) and detractors from (↓) performance, relative to the ICE BofA USD Green Bond Index (the Index): ↓ The Fund’s selections in government-related securities detracted from performance relative to the Index during the period ↓ An out-of-Index allocation to asset-backed securities, commercial mortgage-backed securities, and agency mortgage-backed securities detracted from Index-relative returns during the period ↓ An underweight position in investment-grade corporate bonds hampered returns relative to the Index during the period ↑ The Fund’s use of U.S. Treasury futures contracts to help manage interest rate movements during the period aided performance relative to the Index ↑ The Fund’s interest-rate duration position contributed to performance relative to the Index during the period ↑ An underweight position in government-related securities and an overweight position in high yield corporate bonds contributed to Index-relative returns ↑ The Fund’s selections in investment-grade corporate bonds aided performance relative to the Index | |
| Performance Past Does Not Indicate Future [Text] | THE FUND'S PAST PERFORMANCE IS NO GUARANTEE OF FUTURE RESULTS. | |
| Line Graph [Table Text Block] | Class I Bloomberg U.S. Universal Index ICE BofA USD Green Bond Index 9/14 $1,000,000 $1,000,000 $1,000,000 10/14 $1,007,358 $1,009,792 $1,005,794 11/14 $1,014,202 $1,015,242 $1,013,327 12/14 $1,016,841 $1,013,408 $1,018,620 1/15 $1,037,857 $1,032,698 $1,034,826 2/15 $1,031,497 $1,026,679 $1,026,636 3/15 $1,035,042 $1,030,917 $1,031,668 4/15 $1,029,906 $1,029,721 $1,029,366 5/15 $1,026,674 $1,027,919 $1,028,511 6/15 $1,015,984 $1,016,447 $1,020,464 7/15 $1,022,995 $1,022,366 $1,026,117 8/15 $1,020,609 $1,019,354 $1,026,433 9/15 $1,023,633 $1,023,344 $1,033,797 10/15 $1,025,115 $1,026,615 $1,032,025 11/15 $1,020,681 $1,022,871 $1,031,393 12/15 $1,018,793 $1,017,761 $1,028,052 1/16 $1,030,762 $1,028,996 $1,042,099 2/16 $1,036,008 $1,036,306 $1,046,255 3/16 $1,046,664 $1,049,006 $1,053,345 4/16 $1,051,154 $1,056,153 $1,056,319 5/16 $1,054,909 $1,056,978 $1,057,195 6/16 $1,069,681 $1,075,586 $1,072,383 7/16 $1,079,914 $1,084,449 $1,077,089 8/16 $1,080,449 $1,085,619 $1,075,673 9/16 $1,080,988 $1,085,877 $1,076,987 10/16 $1,076,021 $1,078,673 $1,069,673 11/16 $1,059,982 $1,054,427 $1,043,301 12/16 $1,060,069 $1,057,560 $1,043,525 1/17 $1,064,864 $1,061,291 $1,047,090 2/17 $1,071,658 $1,069,479 $1,055,800 3/17 $1,072,015 $1,069,121 $1,057,684 4/17 $1,077,981 $1,077,992 $1,065,538 5/17 $1,084,193 $1,086,309 $1,073,819 6/17 $1,085,301 $1,085,388 $1,072,678 7/17 $1,090,635 $1,090,794 $1,078,443 8/17 $1,098,799 $1,100,205 $1,087,183 9/17 $1,093,426 $1,096,333 $1,082,100 10/17 $1,093,436 $1,097,650 $1,080,674 11/17 $1,093,171 $1,095,989 $1,080,868 12/17 $1,095,762 $1,100,820 $1,081,061 1/18 $1,087,093 $1,090,227 $1,070,641 2/18 $1,081,459 $1,079,889 $1,061,809 3/18 $1,084,811 $1,085,336 $1,063,612 4/18 $1,079,394 $1,078,094 $1,056,024 5/18 $1,084,424 $1,083,973 $1,059,079 6/18 $1,084,820 $1,082,401 $1,060,577 7/18 $1,085,522 $1,084,667 $1,063,123 8/18 $1,092,913 $1,090,010 $1,067,361 9/18 $1,088,163 $1,085,340 $1,063,684 10/18 $1,082,977 $1,076,261 $1,052,652 11/18 $1,088,871 $1,081,101 $1,053,477 12/18 $1,103,174 $1,098,015 $1,079,870 1/19 $1,112,979 $1,113,155 $1,092,297 2/19 $1,116,134 $1,114,368 $1,094,487 3/19 $1,134,811 $1,134,491 $1,116,193 4/19 $1,137,210 $1,136,079 $1,120,095 5/19 $1,152,263 $1,153,482 $1,137,248 6/19 $1,168,123 $1,169,797 $1,155,105 7/19 $1,175,055 $1,173,279 $1,159,770 8/19 $1,202,893 $1,199,827 $1,187,089 9/19 $1,195,238 $1,194,629 $1,180,112 10/19 $1,199,000 $1,198,489 $1,186,030 11/19 $1,198,436 $1,198,249 $1,184,981 12/19 $1,195,162 $1,200,035 $1,186,325 1/20 $1,222,973 $1,221,573 $1,212,310 2/20 $1,235,781 $1,239,864 $1,230,554 3/20 $1,168,446 $1,215,645 $1,181,080 4/20 $1,213,158 $1,239,996 $1,215,682 5/20 $1,220,777 $1,251,577 $1,227,610 6/20 $1,236,518 $1,262,020 $1,246,750 7/20 $1,262,922 $1,284,189 $1,270,871 8/20 $1,259,568 $1,276,784 $1,263,690 9/20 $1,261,371 $1,274,483 $1,260,023 10/20 $1,260,044 $1,269,928 $1,258,434 11/20 $1,275,809 $1,286,499 $1,279,611 12/20 $1,280,944 $1,290,942 $1,286,996 1/21 $1,278,726 $1,282,828 $1,276,932 2/21 $1,262,655 $1,266,275 $1,254,573 3/21 $1,254,087 $1,251,539 $1,242,360 4/21 $1,257,190 $1,262,063 $1,254,736 5/21 $1,259,685 $1,266,877 $1,259,554 6/21 $1,265,903 $1,276,113 $1,271,879 7/21 $1,280,012 $1,288,927 $1,285,264 8/21 $1,276,205 $1,288,066 $1,283,909 9/21 $1,266,682 $1,277,067 $1,270,229 10/21 $1,261,174 $1,276,023 $1,269,363 11/21 $1,261,998 $1,277,564 $1,269,119 12/21 $1,259,604 $1,276,703 $1,266,654 1/22 $1,235,929 $1,248,712 $1,237,022 2/22 $1,214,688 $1,231,687 $1,217,271 3/22 $1,188,566 $1,198,643 $1,188,312 4/22 $1,150,592 $1,153,936 $1,144,369 5/22 $1,150,086 $1,160,286 $1,146,874 6/22 $1,122,460 $1,137,100 $1,126,247 7/22 $1,154,716 $1,165,689 $1,149,808 8/22 $1,124,113 $1,135,386 $1,126,706 9/22 $1,083,773 $1,086,469 $1,078,321 10/22 $1,078,759 $1,074,548 $1,065,283 11/22 $1,110,750 $1,114,614 $1,103,868 12/22 $1,098,663 $1,110,828 $1,105,050 1/23 $1,134,015 $1,145,286 $1,135,853 2/23 $1,109,715 $1,117,145 $1,110,489 3/23 $1,128,169 $1,143,352 $1,132,991 4/23 $1,137,849 $1,150,337 $1,144,878 5/23 $1,127,343 $1,138,410 $1,132,614 6/23 $998,642 $1,136,641 $1,131,076 7/23 $1,002,149 $1,137,771 $1,135,048 8/23 $997,356 $1,130,920 $1,129,619 9/23 $979,162 $1,103,953 $1,109,012 10/23 $966,274 $1,087,351 $1,094,415 11/23 $1,005,342 $1,136,287 $1,138,664 12/23 $1,039,922 $1,179,403 $1,177,830 1/24 $1,039,059 $1,176,580 $1,176,852 2/24 $1,030,065 $1,162,474 $1,166,666 3/24 $1,039,464 $1,173,887 $1,177,311 4/24 $1,020,541 $1,146,456 $1,155,879 5/24 $1,036,154 $1,165,459 $1,173,562 6/24 $1,044,329 $1,176,114 $1,182,821 7/24 $1,064,277 $1,202,809 $1,205,414 8/24 $1,080,591 $1,220,515 $1,223,892 9/24 $1,240,251 $1,237,255 $1,240,251 | |
| Average Annual Return [Table Text Block] | Fund 1 Year 5 Years 10 Years Class I 11.68% 0.58% 2.10% Bloomberg U.S. Universal Index Footnote Reference 12.08% 0.70% 2.15% ICE BofA USD Green Bond Index Footnote Reference 11.83% 1.00% 2.17% | |
| AssetsNet | $ 804,720,833 | |
| Holdings Count | Holding | 182 | |
| Advisory Fees Paid, Amount | $ 1,443,411 | |
| InvestmentCompanyPortfolioTurnover | 26% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $804,720,833 # of Portfolio Holdings 182 Portfolio Turnover Rate 26% Total Advisory Fees Paid $1,443,411 | |
| Holdings [Text Block] | Credit Quality (% of total investments) Footnote Reference Value Value Cash & Equivalents 1.8% Not Rated 0.1% B 0.5% BB 2.3% BBB 20.1% A 21.3% AA 9.8% AAA 44.1% Footnote Description Footnote a Ratings are based on Moody’s Investors Service, Inc. (“Moody’s”), S&P Global Ratings (“S&P”) or Fitch Ratings (“Fitch”), or Kroll Bond Rating Agency, LLC (“Kroll”) for securitized debt instruments only (such as asset-backed and mortgage-backed securities). If securities are rated differently by the ratings agencies, the highest rating is applied. Moody's ratings are converted to the S&P, Fitch and Kroll scale with ratings ranging from AAA, being the highest, to D, being the lowest. Ratings of BBB or higher are considered to be investment-grade quality. Holdings designated as “Not Rated” (if any) are not rated by the national ratings agencies stated above. | |
| Material Fund Change [Text Block] | ||
| Updated Prospectus Phone Number | 1-800-368-2745 | |
| C000211124 | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Calvert Green Bond Fund | |
| Class Name | Class R6 | |
| Trading Symbol | CBGRX | |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Calvert Green Bond Fund for the period of October 1, 2023 to September 30, 2024. | |
| Shareholder Report Annual or Semi-Annual | Annual Shareholder Report | |
| Additional Information [Text Block] | You can find additional information about the Fund at www.eatonvance.com/calvert-fund-documents.php | |
| Additional Information Phone Number | 1-800-368-2745 | |
| Additional Information Website | www.eatonvance.com/calvert-fund-documents.php</span>" id="sjs-B243"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left;">www.eatonvance.com/calvert-fund-documents.php</span> | |
| Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class R6 $46 0.43% | |
| Expenses Paid, Amount | $ 46 | |
| Expense Ratio, Percent | 0.43% | |
| Factors Affecting Performance [Text Block] | How did the Fund perform last year and what affected its performance? Key contributors to (↑) and detractors from (↓) performance, relative to the ICE BofA USD Green Bond Index (the Index): ↓ The Fund’s selections in government-related securities detracted from performance relative to the Index during the period ↓ An out-of-Index allocation to asset-backed securities, commercial mortgage-backed securities, and agency mortgage-backed securities detracted from Index-relative returns during the period ↓ An underweight position in investment-grade corporate bonds hampered returns relative to the Index during the period ↑ The Fund’s use of U.S. Treasury futures contracts to help manage interest rate movements during the period aided performance relative to the Index ↑ The Fund’s interest-rate duration position contributed to performance relative to the Index during the period ↑ An underweight position in government-related securities and an overweight position in high yield corporate bonds contributed to Index-relative returns ↑ The Fund’s selections in investment-grade corporate bonds aided performance relative to the Index | |
| Performance Past Does Not Indicate Future [Text] | THE FUND'S PAST PERFORMANCE IS NO GUARANTEE OF FUTURE RESULTS. | |
| Line Graph [Table Text Block] | Class R6 Bloomberg U.S. Universal Index ICE BofA USD Green Bond Index 9/14 $5,000,000 $5,000,000 $5,000,000 10/14 $5,036,790 $5,048,962 $5,028,970 11/14 $5,071,010 $5,076,209 $5,066,635 12/14 $5,084,204 $5,067,038 $5,093,100 1/15 $5,189,286 $5,163,490 $5,174,130 2/15 $5,157,483 $5,133,397 $5,133,180 3/15 $5,175,212 $5,154,585 $5,158,340 4/15 $5,149,530 $5,148,604 $5,146,830 5/15 $5,133,372 $5,139,597 $5,142,555 6/15 $5,079,922 $5,082,236 $5,102,320 7/15 $5,114,973 $5,111,830 $5,130,585 8/15 $5,103,046 $5,096,768 $5,132,165 9/15 $5,118,167 $5,116,718 $5,168,985 10/15 $5,125,577 $5,133,074 $5,160,125 11/15 $5,103,406 $5,114,355 $5,156,965 12/15 $5,093,963 $5,088,805 $5,140,260 1/16 $5,153,810 $5,144,980 $5,210,495 2/16 $5,180,041 $5,181,528 $5,231,275 3/16 $5,233,318 $5,245,029 $5,266,725 4/16 $5,255,772 $5,280,765 $5,281,595 5/16 $5,274,545 $5,284,889 $5,285,975 6/16 $5,348,404 $5,377,929 $5,361,915 7/16 $5,399,571 $5,422,245 $5,385,445 8/16 $5,402,245 $5,428,094 $5,378,365 9/16 $5,404,939 $5,429,384 $5,384,935 10/16 $5,380,106 $5,393,365 $5,348,365 11/16 $5,299,908 $5,272,137 $5,216,505 12/16 $5,300,344 $5,287,798 $5,217,625 1/17 $5,324,320 $5,306,454 $5,235,450 2/17 $5,358,288 $5,347,397 $5,279,000 3/17 $5,360,074 $5,345,606 $5,288,420 4/17 $5,389,904 $5,389,960 $5,327,690 5/17 $5,420,964 $5,431,545 $5,369,095 6/17 $5,426,503 $5,426,940 $5,363,390 7/17 $5,453,177 $5,453,971 $5,392,215 8/17 $5,493,996 $5,501,026 $5,435,915 9/17 $5,467,132 $5,481,666 $5,410,500 10/17 $5,467,182 $5,488,248 $5,403,370 11/17 $5,465,853 $5,479,943 $5,404,340 12/17 $5,478,811 $5,504,100 $5,405,305 1/18 $5,435,467 $5,451,135 $5,353,205 2/18 $5,407,295 $5,399,447 $5,309,045 3/18 $5,424,053 $5,426,680 $5,318,060 4/18 $5,396,970 $5,390,471 $5,280,120 5/18 $5,422,120 $5,419,867 $5,295,395 6/18 $5,424,099 $5,412,007 $5,302,885 7/18 $5,427,608 $5,423,333 $5,315,615 8/18 $5,464,567 $5,450,052 $5,336,805 9/18 $5,440,815 $5,426,699 $5,318,420 10/18 $5,414,885 $5,381,303 $5,263,260 11/18 $5,444,353 $5,405,504 $5,267,385 12/18 $5,515,869 $5,490,077 $5,399,350 1/19 $5,564,897 $5,565,773 $5,461,485 2/19 $5,579,416 $5,571,839 $5,472,435 3/19 $5,673,093 $5,672,454 $5,580,965 4/19 $5,685,401 $5,680,394 $5,600,475 5/19 $5,760,981 $5,767,409 $5,686,240 6/19 $5,840,618 $5,848,985 $5,775,525 7/19 $5,879,285 $5,866,395 $5,798,850 8/19 $6,018,698 $5,999,137 $5,935,445 9/19 $5,980,684 $5,973,146 $5,900,560 10/19 $5,999,769 $5,992,444 $5,930,150 11/19 $5,997,218 $5,991,246 $5,924,905 12/19 $5,977,328 $6,000,174 $5,931,625 1/20 $6,120,481 $6,107,865 $6,061,550 2/20 $6,184,795 $6,199,319 $6,152,770 3/20 $5,848,262 $6,078,224 $5,905,400 4/20 $6,072,196 $6,199,980 $6,078,410 5/20 $6,106,724 $6,257,887 $6,138,050 6/20 $6,189,578 $6,310,102 $6,233,750 7/20 $6,321,949 $6,420,945 $6,354,355 8/20 $6,305,458 $6,383,919 $6,318,450 9/20 $6,314,744 $6,372,414 $6,300,115 10/20 $6,308,385 $6,349,638 $6,292,170 11/20 $6,387,539 $6,432,497 $6,398,055 12/20 $6,413,525 $6,454,709 $6,434,980 1/21 $6,402,715 $6,414,139 $6,384,660 2/21 $6,322,548 $6,331,377 $6,272,865 3/21 $6,279,950 $6,257,696 $6,211,800 4/21 $6,295,755 $6,310,316 $6,273,680 5/21 $6,308,499 $6,334,386 $6,297,770 6/21 $6,339,891 $6,380,565 $6,359,395 7/21 $6,410,789 $6,444,633 $6,426,320 8/21 $6,392,014 $6,440,332 $6,419,545 9/21 $6,344,616 $6,385,334 $6,351,145 10/21 $6,317,319 $6,380,115 $6,346,815 11/21 $6,321,703 $6,387,822 $6,345,595 12/21 $6,309,999 $6,383,515 $6,333,270 1/22 $6,191,649 $6,243,562 $6,185,110 2/22 $6,085,548 $6,158,437 $6,086,355 3/22 $5,951,053 $5,993,214 $5,941,560 4/22 $5,765,190 $5,769,682 $5,721,845 5/22 $5,762,912 $5,801,428 $5,734,370 6/22 $5,624,816 $5,685,501 $5,631,235 7/22 $5,786,592 $5,828,446 $5,749,040 8/22 $5,633,592 $5,676,928 $5,633,530 9/22 $5,431,809 $5,432,344 $5,391,605 10/22 $5,406,949 $5,372,739 $5,326,415 11/22 $5,567,409 $5,573,070 $5,519,340 12/22 $5,507,117 $5,554,141 $5,525,250 1/23 $5,684,441 $5,726,432 $5,679,265 2/23 $5,562,946 $5,585,724 $5,552,445 3/23 $5,655,637 $5,716,761 $5,664,955 4/23 $5,704,370 $5,751,684 $5,724,390 5/23 $5,651,989 $5,692,052 $5,663,070 6/23 $4,993,210 $5,683,206 $5,655,380 7/23 $5,010,747 $5,688,856 $5,675,240 8/23 $4,986,780 $5,654,598 $5,648,095 9/23 $4,895,810 $5,519,764 $5,545,060 10/23 $4,831,371 $5,436,756 $5,472,075 11/23 $5,026,711 $5,681,437 $5,693,320 12/23 $5,199,611 $5,897,014 $5,889,150 1/24 $5,195,295 $5,882,902 $5,884,260 2/24 $5,150,327 $5,812,368 $5,833,330 3/24 $5,197,318 $5,869,437 $5,886,555 4/24 $5,102,706 $5,732,278 $5,779,395 5/24 $5,180,770 $5,827,297 $5,867,810 6/24 $5,221,646 $5,880,568 $5,914,105 7/24 $5,321,384 $6,014,044 $6,027,070 8/24 $5,402,955 $6,102,576 $6,119,460 9/24 $6,201,256 $6,186,276 $6,201,255 | |
| Average Annual Return [Table Text Block] | Fund 1 Year 5 Years 10 Years Class R6 11.73% 0.64% 2.13% Bloomberg U.S. Universal Index Footnote Reference 12.08% 0.70% 2.15% ICE BofA USD Green Bond Index Footnote Reference 11.83% 1.00% 2.17% | |
| AssetsNet | $ 804,720,833 | |
| Holdings Count | Holding | 182 | |
| Advisory Fees Paid, Amount | $ 1,443,411 | |
| InvestmentCompanyPortfolioTurnover | 26% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $804,720,833 # of Portfolio Holdings 182 Portfolio Turnover Rate 26% Total Advisory Fees Paid $1,443,411 | |
| Holdings [Text Block] | Credit Quality (% of total investments) Footnote Reference Value Value Cash & Equivalents 1.8% Not Rated 0.1% B 0.5% BB 2.3% BBB 20.1% A 21.3% AA 9.8% AAA 44.1% Footnote Description Footnote a Ratings are based on Moody’s Investors Service, Inc. (“Moody’s”), S&P Global Ratings (“S&P”) or Fitch Ratings (“Fitch”), or Kroll Bond Rating Agency, LLC (“Kroll”) for securitized debt instruments only (such as asset-backed and mortgage-backed securities). If securities are rated differently by the ratings agencies, the highest rating is applied. Moody's ratings are converted to the S&P, Fitch and Kroll scale with ratings ranging from AAA, being the highest, to D, being the lowest. Ratings of BBB or higher are considered to be investment-grade quality. Holdings designated as “Not Rated” (if any) are not rated by the national ratings agencies stated above. | |
| Material Fund Change [Text Block] | ||
| Updated Prospectus Phone Number | 1-800-368-2745 | |
| C000023745 | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Calvert Small-Cap Fund | |
| Class Name | Class A | |
| Trading Symbol | CCVAX | |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Calvert Small-Cap Fund for the period of October 1, 2023 to September 30, 2024. | |
| Shareholder Report Annual or Semi-Annual | Annual Shareholder Report | |
| Additional Information [Text Block] | You can find additional information about the Fund at www.eatonvance.com/calvert-fund-documents.php | |
| Additional Information Phone Number | 1-800-368-2745 | |
| Additional Information Website | www.eatonvance.com/calvert-fund-documents.php</span>" id="sjs-B268"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left;">www.eatonvance.com/calvert-fund-documents.php</span> | |
| Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class A $134 1.19% | |
| Expenses Paid, Amount | $ 134 | |
| Expense Ratio, Percent | 1.19% | |
| Factors Affecting Performance [Text Block] | How did the Fund perform last year and what affected its performance? Key contributors to (↑) and detractors from (↓) performance, relative to the Russell 2000 ® ↓ Not owning Super Micro Computer, Inc., a server and data center equipment provider, hampered returns as sales rose sharply on growth in artificial intelligence ↓ A position in U.S. Physical Therapy, Inc., a clinic operator, hampered relative returns as bad weather stifled business during the first half of the period ↓ Envista Holdings Corp., a dental equipment provider, detracted from Index-relative returns on weak demand. The Fund sold the stock by period-end ↓ Selective Insurance Group, Inc., a provider of property and casualty insurance, hampered relative returns after it reported significant second-quarter losses ↑ Core & Main, Inc., a wastewater, storm drainage and fire protection equipment distributor, contributed to returns on better-than-expected sales and earnings ↑ CSW Industrials, Inc., a building products provider, helped returns as its product mix, efficiencies and business execution yielded record revenues and earnings ↑ Essential Properties Realty Trust, owner and manager of single-tenant, long-term lease properties, aided returns on strong demand with 99% occupancy rates ↑ AAON, Inc., a heating, air-conditioning and ventilation equipment manufacturer, contributed to Index-relative returns on strong revenue and earnings growth | |
| Performance Past Does Not Indicate Future [Text] | THE FUND'S PAST PERFORMANCE IS NO GUARANTEE OF FUTURE RESULTS. | |
| Line Graph [Table Text Block] | Class A with Maximum Sales Charge Russell 3000 ® Russell 2000 ® 9/14 $9,475 $10,000 $10,000 10/14 $10,085 $10,275 $10,659 11/14 $10,213 $10,524 $10,669 12/14 $10,357 $10,524 $10,973 1/15 $10,013 $10,231 $10,620 2/15 $10,715 $10,824 $11,250 3/15 $10,836 $10,713 $11,446 4/15 $10,832 $10,762 $11,154 5/15 $10,781 $10,911 $11,409 6/15 $11,004 $10,728 $11,494 7/15 $10,967 $10,908 $11,361 8/15 $10,483 $10,249 $10,647 9/15 $10,250 $9,951 $10,125 10/15 $10,767 $10,736 $10,695 11/15 $10,776 $10,796 $11,043 12/15 $10,245 $10,574 $10,488 1/16 $9,646 $9,978 $9,566 2/16 $9,672 $9,975 $9,566 3/16 $10,371 $10,677 $10,329 4/16 $10,392 $10,743 $10,491 5/16 $10,549 $10,935 $10,728 6/16 $10,600 $10,958 $10,721 7/16 $11,016 $11,393 $11,361 8/16 $10,965 $11,422 $11,562 9/16 $11,036 $11,440 $11,691 10/16 $10,645 $11,192 $11,135 11/16 $11,852 $11,693 $12,377 12/16 $12,294 $11,921 $12,723 1/17 $12,191 $12,145 $12,774 2/17 $12,509 $12,597 $13,020 3/17 $12,612 $12,606 $13,037 4/17 $12,638 $12,739 $13,180 5/17 $12,530 $12,870 $12,912 6/17 $12,818 $12,986 $13,358 7/17 $12,833 $13,231 $13,457 8/17 $12,669 $13,256 $13,286 9/17 $13,214 $13,579 $14,115 10/17 $13,378 $13,876 $14,236 11/17 $13,887 $14,297 $14,646 12/17 $13,916 $14,440 $14,587 1/18 $14,387 $15,201 $14,968 2/18 $13,875 $14,641 $14,389 3/18 $13,993 $14,347 $14,575 4/18 $13,951 $14,402 $14,701 5/18 $14,752 $14,808 $15,593 6/18 $14,876 $14,905 $15,705 7/18 $15,123 $15,400 $15,978 8/18 $15,723 $15,940 $16,667 9/18 $15,664 $15,967 $16,266 10/18 $14,110 $14,791 $14,500 11/18 $14,463 $15,087 $14,730 12/18 $12,963 $13,683 $12,980 1/19 $14,268 $14,858 $14,441 2/19 $15,052 $15,380 $15,191 3/19 $14,865 $15,605 $14,873 4/19 $15,549 $16,228 $15,379 5/19 $14,828 $15,178 $14,183 6/19 $15,866 $16,244 $15,185 7/19 $16,158 $16,485 $15,272 8/19 $15,692 $16,149 $14,518 9/19 $15,760 $16,433 $14,820 10/19 $15,717 $16,786 $15,211 11/19 $16,183 $17,424 $15,837 12/19 $16,335 $17,928 $16,294 1/20 $16,152 $17,908 $15,771 2/20 $14,887 $16,442 $14,443 3/20 $12,432 $14,181 $11,305 4/20 $13,710 $16,059 $12,858 5/20 $14,421 $16,918 $13,695 6/20 $14,509 $17,304 $14,179 7/20 $15,170 $18,287 $14,571 8/20 $15,787 $19,612 $15,392 9/20 $15,069 $18,898 $14,878 10/20 $15,504 $18,490 $15,190 11/20 $17,298 $20,739 $17,990 12/20 $18,726 $21,672 $19,546 1/21 $18,764 $21,576 $20,529 2/21 $19,916 $22,250 $21,809 3/21 $20,546 $23,048 $22,028 4/21 $21,162 $24,236 $22,491 5/21 $21,244 $24,346 $22,537 6/21 $21,181 $24,947 $22,974 7/21 $21,213 $25,369 $22,144 8/21 $21,515 $26,092 $22,639 9/21 $20,860 $24,921 $21,972 10/21 $21,886 $26,607 $22,907 11/21 $21,005 $26,202 $21,952 12/21 $22,410 $27,234 $22,442 1/22 $20,726 $25,631 $20,282 2/22 $21,389 $24,986 $20,498 3/22 $21,172 $25,796 $20,753 4/22 $19,773 $23,481 $18,697 5/22 $19,286 $23,450 $18,725 6/22 $18,177 $21,488 $17,185 7/22 $19,806 $23,504 $18,979 8/22 $18,670 $22,627 $18,591 9/22 $17,142 $20,528 $16,809 10/22 $19,036 $22,212 $18,659 11/22 $19,739 $23,371 $19,095 12/22 $18,800 $22,003 $17,856 1/23 $20,570 $23,518 $19,596 2/23 $20,570 $22,968 $19,265 3/23 $20,007 $23,583 $18,345 4/23 $19,904 $23,834 $18,015 5/23 $19,122 $23,927 $17,849 6/23 $20,398 $25,560 $19,300 7/23 $20,926 $26,477 $20,480 8/23 $20,192 $25,966 $19,455 9/23 $18,793 $24,729 $18,310 10/23 $17,689 $24,073 $17,061 11/23 $19,177 $26,318 $18,606 12/23 $20,952 $27,714 $20,879 1/24 $20,471 $28,021 $20,067 2/24 $21,528 $29,538 $21,201 3/24 $22,449 $30,491 $21,960 4/24 $20,979 $29,149 $20,415 5/24 $21,645 $30,526 $21,439 6/24 $21,343 $31,471 $21,241 7/24 $22,806 $32,056 $23,399 8/24 $23,149 $32,754 $23,049 9/24 $23,386 $33,432 $23,210 | |
| Average Annual Return [Table Text Block] | Fund 1 Year 5 Years 10 Years Class A 24.42% 8.20% 9.45% Class A with 5.25% Maximum Sales Charge 17.88% 7.04% 8.86% Russell 3000 ® Index Footnote Reference 35.19% 15.25% 12.82% Russell 2000 ® 26.76% 9.38% 8.78% | |
| AssetsNet | $ 2,837,551,291 | |
| Holdings Count | Holding | 68 | |
| Advisory Fees Paid, Amount | $ 19,828,805 | |
| InvestmentCompanyPortfolioTurnover | 32% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $2,837,551,291 # of Portfolio Holdings 68 Portfolio Turnover Rate 32% Total Advisory Fees Paid $19,828,805 | |
| Holdings [Text Block] | Sector Allocation (% of total investments) Value Value Communication Services 0.5% Short-Term Investments 1.6% Utilities 1.9% Consumer Staples 4.6% Materials 6.1% Real Estate 8.6% Information Technology 9.3% Health Care 10.6% Consumer Discretionary 11.4% Financials 21.5% Industrials 23.9% Top Ten Holdings (% of total investments) Footnote Reference AptarGroup, Inc. 3.4% Essential Properties Realty Trust, Inc. 3.1% Chemed Corp. 3.0% Dorman Products, Inc. 2.8% Commerce Bancshares, Inc. 2.7% CSW Industrials, Inc. 2.5% Community Financial System, Inc. 2.4% CBIZ, Inc. 2.4% SouthState Corp. 2.3% Wyndham Hotels & Resorts, Inc. 2.3% Total 26.9% Footnote Description Footnote a Excluding cash equivalents | |
| Material Fund Change [Text Block] | ||
| Updated Prospectus Phone Number | 1-800-368-2745 | |
| C000023746 | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Calvert Small-Cap Fund | |
| Class Name | Class C | |
| Trading Symbol | CSCCX | |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Calvert Small-Cap Fund for the period of October 1, 2023 to September 30, 2024. | |
| Shareholder Report Annual or Semi-Annual | Annual Shareholder Report | |
| Additional Information [Text Block] | You can find additional information about the Fund at www.eatonvance.com/calvert-fund-documents.php | |
| Additional Information Phone Number | 1-800-368-2745 | |
| Additional Information Website | www.eatonvance.com/calvert-fund-documents.php</span>" id="sjs-B293"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left;">www.eatonvance.com/calvert-fund-documents.php</span> | |
| Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class C $217 1.94% | |
| Expenses Paid, Amount | $ 217 | |
| Expense Ratio, Percent | 1.94% | |
| Factors Affecting Performance [Text Block] | How did the Fund perform last year and what affected its performance? Key contributors to (↑) and detractors from (↓) performance, relative to the Russell 2000 ® ↓ Not owning Super Micro Computer, Inc., a server and data center equipment provider, hampered returns as sales rose sharply on growth in artificial intelligence ↓ A position in U.S. Physical Therapy, Inc., a clinic operator, hampered relative returns as bad weather stifled business during the first half of the period ↓ Envista Holdings Corp., a dental equipment provider, detracted from Index-relative returns on weak demand. The Fund sold the stock by period-end ↓ Selective Insurance Group, Inc., a provider of property and casualty insurance, hampered relative returns after it reported significant second-quarter losses ↑ Core & Main, Inc., a wastewater, storm drainage and fire protection equipment distributor, contributed to returns on better-than-expected sales and earnings ↑ CSW Industrials, Inc., a building products provider, helped returns as its product mix, efficiencies and business execution yielded record revenues and earnings ↑ Essential Properties Realty Trust, owner and manager of single-tenant, long-term lease properties, aided returns on strong demand with 99% occupancy rates ↑ AAON, Inc., a heating, air-conditioning and ventilation equipment manufacturer, contributed to Index-relative returns on strong revenue and earnings growth | |
| Performance Past Does Not Indicate Future [Text] | THE FUND'S PAST PERFORMANCE IS NO GUARANTEE OF FUTURE RESULTS. | |
| Line Graph [Table Text Block] | Class C Russell 3000 ® Russell 2000 ® 9/14 $10,000 $10,000 $10,000 10/14 $10,639 $10,275 $10,659 11/14 $10,772 $10,524 $10,669 12/14 $10,917 $10,524 $10,973 1/15 $10,544 $10,231 $10,620 2/15 $11,279 $10,824 $11,250 3/15 $11,397 $10,713 $11,446 4/15 $11,387 $10,762 $11,154 5/15 $11,322 $10,911 $11,409 6/15 $11,554 $10,728 $11,494 7/15 $11,505 $10,908 $11,361 8/15 $10,992 $10,249 $10,647 9/15 $10,738 $9,951 $10,125 10/15 $11,273 $10,736 $10,695 11/15 $11,279 $10,796 $11,043 12/15 $10,717 $10,574 $10,488 1/16 $10,086 $9,978 $9,566 2/16 $10,104 $9,975 $9,566 3/16 $10,824 $10,677 $10,329 4/16 $10,842 $10,743 $10,491 5/16 $10,996 $10,935 $10,728 6/16 $11,044 $10,958 $10,721 7/16 $11,466 $11,393 $11,361 8/16 $11,413 $11,422 $11,562 9/16 $11,478 $11,440 $11,691 10/16 $11,062 $11,192 $11,135 11/16 $12,311 $11,693 $12,377 12/16 $12,763 $11,921 $12,723 1/17 $12,648 $12,145 $12,774 2/17 $12,968 $12,597 $13,020 3/17 $13,065 $12,606 $13,037 4/17 $13,083 $12,739 $13,180 5/17 $12,968 $12,870 $12,912 6/17 $13,258 $12,986 $13,358 7/17 $13,264 $13,231 $13,457 8/17 $13,083 $13,256 $13,286 9/17 $13,638 $13,579 $14,115 10/17 $13,795 $13,876 $14,236 11/17 $14,316 $14,297 $14,646 12/17 $14,337 $14,440 $14,587 1/18 $14,813 $15,201 $14,968 2/18 $14,274 $14,641 $14,389 3/18 $14,386 $14,347 $14,575 4/18 $14,337 $14,402 $14,701 5/18 $15,150 $14,808 $15,593 6/18 $15,269 $14,905 $15,705 7/18 $15,514 $15,400 $15,978 8/18 $16,117 $15,940 $16,667 9/18 $16,046 $15,967 $16,266 10/18 $14,442 $14,791 $14,500 11/18 $14,799 $15,087 $14,730 12/18 $13,256 $13,683 $12,980 1/19 $14,575 $14,858 $14,441 2/19 $15,368 $15,380 $15,191 3/19 $15,168 $15,605 $14,873 4/19 $15,857 $16,228 $15,379 5/19 $15,116 $15,178 $14,183 6/19 $16,161 $16,244 $15,185 7/19 $16,450 $16,485 $15,272 8/19 $15,961 $16,149 $14,518 9/19 $16,027 $16,433 $14,820 10/19 $15,968 $16,786 $15,211 11/19 $16,427 $17,424 $15,837 12/19 $16,576 $17,928 $16,294 1/20 $16,381 $17,908 $15,771 2/20 $15,083 $16,442 $14,443 3/20 $12,592 $14,181 $11,305 4/20 $13,882 $16,059 $12,858 5/20 $14,588 $16,918 $13,695 6/20 $14,670 $17,304 $14,179 7/20 $15,331 $18,287 $14,571 8/20 $15,938 $19,612 $15,392 9/20 $15,210 $18,898 $14,878 10/20 $15,638 $18,490 $15,190 11/20 $17,432 $20,739 $17,990 12/20 $18,865 $21,672 $19,546 1/21 $18,887 $21,576 $20,529 2/21 $20,036 $22,250 $21,809 3/21 $20,658 $23,048 $22,028 4/21 $21,266 $24,236 $22,491 5/21 $21,334 $24,346 $22,537 6/21 $21,259 $24,947 $22,974 7/21 $21,274 $25,369 $22,144 8/21 $21,566 $26,092 $22,639 9/21 $20,891 $24,921 $21,972 10/21 $21,912 $26,607 $22,907 11/21 $21,019 $26,202 $21,952 12/21 $22,406 $27,234 $22,442 1/22 $20,707 $25,631 $20,282 2/22 $21,358 $24,986 $20,498 3/22 $21,130 $25,796 $20,753 4/22 $19,716 $23,481 $18,697 5/22 $19,220 $23,450 $18,725 6/22 $18,099 $21,488 $17,185 7/22 $19,716 $23,504 $18,979 8/22 $18,570 $22,627 $18,591 9/22 $17,042 $20,528 $16,809 10/22 $18,911 $22,212 $18,659 11/22 $19,602 $23,371 $19,095 12/22 $18,653 $22,003 $17,856 1/23 $20,397 $23,518 $19,596 2/23 $20,389 $22,968 $19,265 3/23 $19,818 $23,583 $18,345 4/23 $19,703 $23,834 $18,015 5/23 $18,917 $23,927 $17,849 6/23 $20,166 $25,560 $19,300 7/23 $20,678 $26,477 $20,480 8/23 $19,934 $25,966 $19,455 9/23 $18,537 $24,729 $18,310 10/23 $17,437 $24,073 $17,061 11/23 $18,901 $26,318 $18,606 12/23 $20,629 $27,714 $20,879 1/24 $20,149 $28,021 $20,067 2/24 $21,183 $29,538 $21,201 3/24 $22,067 $30,491 $21,960 4/24 $20,612 $29,149 $20,415 5/24 $21,257 $30,526 $21,439 6/24 $20,943 $31,471 $21,241 7/24 $22,357 $32,056 $23,399 8/24 $22,687 $32,754 $23,049 9/24 $23,246 $33,432 $23,210 | |
| Average Annual Return [Table Text Block] | Fund 1 Year 5 Years 10 Years Class C 23.55% 7.39% 8.79% Class C with 1% Maximum Deferred Sales Charge 22.55% 7.39% 8.79% Russell 3000 ® Index Footnote Reference 35.19% 15.25% 12.82% Russell 2000 ® 26.76% 9.38% 8.78% | |
| AssetsNet | $ 2,837,551,291 | |
| Holdings Count | Holding | 68 | |
| Advisory Fees Paid, Amount | $ 19,828,805 | |
| InvestmentCompanyPortfolioTurnover | 32% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $2,837,551,291 # of Portfolio Holdings 68 Portfolio Turnover Rate 32% Total Advisory Fees Paid $19,828,805 | |
| Holdings [Text Block] | Sector Allocation (% of total investments) Value Value Communication Services 0.5% Short-Term Investments 1.6% Utilities 1.9% Consumer Staples 4.6% Materials 6.1% Real Estate 8.6% Information Technology 9.3% Health Care 10.6% Consumer Discretionary 11.4% Financials 21.5% Industrials 23.9% Top Ten Holdings (% of total investments) Footnote Reference AptarGroup, Inc. 3.4% Essential Properties Realty Trust, Inc. 3.1% Chemed Corp. 3.0% Dorman Products, Inc. 2.8% Commerce Bancshares, Inc. 2.7% CSW Industrials, Inc. 2.5% Community Financial System, Inc. 2.4% CBIZ, Inc. 2.4% SouthState Corp. 2.3% Wyndham Hotels & Resorts, Inc. 2.3% Total 26.9% Footnote Description Footnote a Excluding cash equivalents | |
| Material Fund Change [Text Block] | ||
| Updated Prospectus Phone Number | 1-800-368-2745 | |
| C000023747 | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Calvert Small-Cap Fund | |
| Class Name | Class I | |
| Trading Symbol | CSVIX | |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Calvert Small-Cap Fund for the period of October 1, 2023 to September 30, 2024. | |
| Shareholder Report Annual or Semi-Annual | Annual Shareholder Report | |
| Additional Information [Text Block] | You can find additional information about the Fund at www.eatonvance.com/calvert-fund-documents.php | |
| Additional Information Phone Number | 1-800-368-2745 | |
| Additional Information Website | www.eatonvance.com/calvert-fund-documents.php</span>" id="sjs-B318"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left;">www.eatonvance.com/calvert-fund-documents.php</span> | |
| Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class I $106 0.94% | |
| Expenses Paid, Amount | $ 106 | |
| Expense Ratio, Percent | 0.94% | |
| Factors Affecting Performance [Text Block] | How did the Fund perform last year and what affected its performance? Key contributors to (↑) and detractors from (↓) performance, relative to the Russell 2000 ® ↓ Not owning Super Micro Computer, Inc., a server and data center equipment provider, hampered returns as sales rose sharply on growth in artificial intelligence ↓ A position in U.S. Physical Therapy, Inc., a clinic operator, hampered relative returns as bad weather stifled business during the first half of the period ↓ Envista Holdings Corp., a dental equipment provider, detracted from Index-relative returns on weak demand. The Fund sold the stock by period-end ↓ Selective Insurance Group, Inc., a provider of property and casualty insurance, hampered relative returns after it reported significant second-quarter losses ↑ Core & Main, Inc., a wastewater, storm drainage and fire protection equipment distributor, contributed to returns on better-than-expected sales and earnings ↑ CSW Industrials, Inc., a building products provider, helped returns as its product mix, efficiencies and business execution yielded record revenues and earnings ↑ Essential Properties Realty Trust, owner and manager of single-tenant, long-term lease properties, aided returns on strong demand with 99% occupancy rates ↑ AAON, Inc., a heating, air-conditioning and ventilation equipment manufacturer, contributed to Index-relative returns on strong revenue and earnings growth | |
| Performance Past Does Not Indicate Future [Text] | THE FUND'S PAST PERFORMANCE IS NO GUARANTEE OF FUTURE RESULTS. | |
| Line Graph [Table Text Block] | Class I Russell 3000 ® Russell 2000 ® 9/14 $1,000,000 $1,000,000 $1,000,000 10/14 $1,065,037 $1,027,513 $1,065,919 11/14 $1,079,122 $1,052,414 $1,066,875 12/14 $1,095,144 $1,052,402 $1,097,281 1/15 $1,058,810 $1,023,112 $1,061,985 2/15 $1,133,808 $1,082,351 $1,125,032 3/15 $1,146,851 $1,071,348 $1,144,631 4/15 $1,146,851 $1,076,194 $1,115,440 5/15 $1,141,726 $1,091,079 $1,140,905 6/15 $1,165,949 $1,072,825 $1,149,449 7/15 $1,162,223 $1,090,768 $1,136,090 8/15 $1,111,448 $1,024,919 $1,064,697 9/15 $1,087,225 $995,053 $1,012,460 10/15 $1,142,658 $1,073,648 $1,069,502 11/15 $1,144,056 $1,079,600 $1,104,292 12/15 $1,088,102 $1,057,440 $1,048,846 1/16 $1,025,200 $997,774 $956,616 2/16 $1,027,737 $997,453 $956,573 3/16 $1,102,306 $1,067,679 $1,032,919 4/16 $1,105,349 $1,074,296 $1,049,130 5/16 $1,122,597 $1,093,516 $1,072,762 6/16 $1,128,177 $1,095,764 $1,072,085 7/16 $1,172,817 $1,139,252 $1,136,096 8/16 $1,167,744 $1,142,158 $1,156,187 9/16 $1,175,861 $1,143,953 $1,169,065 10/16 $1,134,771 $1,119,203 $1,113,487 11/16 $1,263,619 $1,169,290 $1,237,655 12/16 $1,311,597 $1,192,107 $1,272,333 1/17 $1,301,314 $1,214,544 $1,277,352 2/17 $1,335,248 $1,259,715 $1,302,003 3/17 $1,347,073 $1,260,572 $1,303,707 4/17 $1,350,158 $1,273,934 $1,318,004 5/17 $1,339,361 $1,286,971 $1,291,191 6/17 $1,370,724 $1,298,586 $1,335,825 7/17 $1,372,781 $1,323,070 $1,345,750 8/17 $1,355,814 $1,325,620 $1,328,629 9/17 $1,414,427 $1,357,949 $1,411,547 10/17 $1,432,422 $1,387,582 $1,423,580 11/17 $1,487,110 $1,429,716 $1,464,606 12/17 $1,491,208 $1,444,006 $1,458,695 1/18 $1,541,559 $1,520,120 $1,496,817 2/18 $1,487,110 $1,464,089 $1,438,858 3/18 $1,499,990 $1,434,699 $1,457,468 4/18 $1,495,892 $1,440,152 $1,470,068 5/18 $1,582,542 $1,480,808 $1,559,302 6/18 $1,596,594 $1,490,492 $1,570,475 7/18 $1,623,526 $1,539,955 $1,597,846 8/18 $1,687,928 $1,594,035 $1,666,729 9/18 $1,682,073 $1,596,674 $1,626,641 10/18 $1,515,798 $1,479,106 $1,449,961 11/18 $1,553,854 $1,508,731 $1,473,008 12/18 $1,393,690 $1,368,314 $1,298,035 1/19 $1,534,480 $1,485,762 $1,444,062 2/19 $1,619,077 $1,538,015 $1,519,136 3/19 $1,599,317 $1,560,473 $1,487,341 4/19 $1,672,799 $1,622,785 $1,537,867 5/19 $1,596,229 $1,517,772 $1,418,263 6/19 $1,707,379 $1,624,375 $1,518,502 7/19 $1,739,488 $1,648,522 $1,527,245 8/19 $1,690,089 $1,614,916 $1,451,838 9/19 $1,697,499 $1,643,259 $1,482,046 10/19 $1,693,176 $1,678,633 $1,521,078 11/19 $1,743,811 $1,742,441 $1,583,692 12/19 $1,760,248 $1,792,752 $1,629,357 1/20 $1,740,843 $1,790,794 $1,577,101 2/20 $1,605,006 $1,644,176 $1,444,338 3/20 $1,340,843 $1,418,072 $1,130,534 4/20 $1,479,184 $1,605,882 $1,285,818 5/20 $1,556,180 $1,691,762 $1,369,492 6/20 $1,565,569 $1,730,439 $1,417,900 7/20 $1,637,557 $1,828,699 $1,457,145 8/20 $1,703,910 $1,961,178 $1,539,245 9/20 $1,627,541 $1,889,770 $1,487,830 10/20 $1,674,489 $1,848,982 $1,518,990 11/20 $1,868,542 $2,073,917 $1,798,978 12/20 $2,023,418 $2,167,218 $1,954,590 1/21 $2,027,805 $2,157,579 $2,052,950 2/21 $2,153,172 $2,225,019 $2,180,900 3/21 $2,221,497 $2,304,770 $2,202,805 4/21 $2,288,568 $2,423,579 $2,249,061 5/21 $2,297,971 $2,434,642 $2,253,698 6/21 $2,291,702 $2,494,678 $2,297,362 7/21 $2,295,463 $2,536,865 $2,214,407 8/21 $2,328,685 $2,609,210 $2,263,940 9/21 $2,257,853 $2,492,141 $2,197,188 10/21 $2,370,056 $2,660,670 $2,290,655 11/21 $2,275,405 $2,620,172 $2,195,204 12/21 $2,427,141 $2,723,350 $2,244,241 1/22 $2,245,340 $2,563,119 $2,028,180 2/22 $2,317,792 $2,498,556 $2,049,831 3/22 $2,294,983 $2,579,600 $2,075,343 4/22 $2,143,370 $2,348,100 $1,869,657 5/22 $2,091,715 $2,344,952 $1,872,483 6/22 $1,970,962 $2,148,777 $1,718,484 7/22 $2,148,737 $2,350,370 $1,897,898 8/22 $2,025,301 $2,262,656 $1,859,062 9/22 $1,860,271 $2,052,842 $1,680,898 10/22 $2,066,223 $2,221,188 $1,865,946 11/22 $2,143,370 $2,337,125 $1,909,531 12/22 $2,041,060 $2,200,278 $1,785,598 1/23 $2,234,409 $2,351,818 $1,959,633 2/23 $2,235,090 $2,296,849 $1,926,533 3/23 $2,173,817 $2,358,265 $1,834,484 4/23 $2,163,605 $2,383,391 $1,801,503 5/23 $2,079,185 $2,392,664 $1,784,861 6/23 $2,218,069 $2,556,048 $1,929,974 7/23 $2,275,938 $2,647,674 $2,047,998 8/23 $2,196,284 $2,596,564 $1,945,541 9/23 $2,044,464 $2,472,879 $1,831,002 10/23 $1,924,642 $2,407,326 $1,706,130 11/23 $2,087,354 $2,631,805 $1,860,551 12/23 $2,280,519 $2,771,401 $2,087,880 1/24 $2,229,294 $2,802,116 $2,006,675 2/24 $2,344,720 $2,953,796 $2,120,136 3/24 $2,445,120 $3,049,077 $2,196,034 4/24 $2,285,983 $2,914,913 $2,041,472 5/24 $2,359,063 $3,052,634 $2,143,887 6/24 $2,326,962 $3,147,135 $2,124,055 7/24 $2,486,100 $3,205,637 $2,339,857 8/24 $2,524,348 $3,275,420 $2,304,905 9/24 $2,550,301 $3,343,175 $2,321,014 | |
| Average Annual Return [Table Text Block] | Fund 1 Year 5 Years 10 Years Class I 24.74% 8.47% 9.81% Russell 3000 ® Index Footnote Reference 35.19% 15.25% 12.82% Russell 2000 ® 26.76% 9.38% 8.78% | |
| AssetsNet | $ 2,837,551,291 | |
| Holdings Count | Holding | 68 | |
| Advisory Fees Paid, Amount | $ 19,828,805 | |
| InvestmentCompanyPortfolioTurnover | 32% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $2,837,551,291 # of Portfolio Holdings 68 Portfolio Turnover Rate 32% Total Advisory Fees Paid $19,828,805 | |
| Holdings [Text Block] | Sector Allocation (% of total investments) Value Value Communication Services 0.5% Short-Term Investments 1.6% Utilities 1.9% Consumer Staples 4.6% Materials 6.1% Real Estate 8.6% Information Technology 9.3% Health Care 10.6% Consumer Discretionary 11.4% Financials 21.5% Industrials 23.9% Top Ten Holdings (% of total investments) Footnote Reference AptarGroup, Inc. 3.4% Essential Properties Realty Trust, Inc. 3.1% Chemed Corp. 3.0% Dorman Products, Inc. 2.8% Commerce Bancshares, Inc. 2.7% CSW Industrials, Inc. 2.5% Community Financial System, Inc. 2.4% CBIZ, Inc. 2.4% SouthState Corp. 2.3% Wyndham Hotels & Resorts, Inc. 2.3% Total 26.9% Footnote Description Footnote a Excluding cash equivalents | |
| Material Fund Change [Text Block] | ||
| Updated Prospectus Phone Number | 1-800-368-2745 | |
| C000211123 | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Calvert Small-Cap Fund | |
| Class Name | Class R6 | |
| Trading Symbol | CALRX | |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Calvert Small-Cap Fund for the period of October 1, 2023 to September 30, 2024. | |
| Shareholder Report Annual or Semi-Annual | Annual Shareholder Report | |
| Additional Information [Text Block] | You can find additional information about the Fund at www.eatonvance.com/calvert-fund-documents.php | |
| Additional Information Phone Number | 1-800-368-2745 | |
| Additional Information Website | www.eatonvance.com/calvert-fund-documents.php</span>" id="sjs-B343"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left;">www.eatonvance.com/calvert-fund-documents.php</span> | |
| Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class R6 $97 0.86% | |
| Expenses Paid, Amount | $ 97 | |
| Expense Ratio, Percent | 0.86% | |
| Factors Affecting Performance [Text Block] | How did the Fund perform last year and what affected its performance? Key contributors to (↑) and detractors from (↓) performance, relative to the Russell 2000 ® ↓ Not owning Super Micro Computer, Inc., a server and data center equipment provider, hampered returns as sales rose sharply on growth in artificial intelligence ↓ A position in U.S. Physical Therapy, Inc., a clinic operator, hampered relative returns as bad weather stifled business during the first half of the period ↓ Envista Holdings Corp., a dental equipment provider, detracted from Index-relative returns on weak demand. The Fund sold the stock by period-end ↓ Selective Insurance Group, Inc., a provider of property and casualty insurance, hampered relative returns after it reported significant second-quarter losses ↑ Core & Main, Inc., a wastewater, storm drainage and fire protection equipment distributor, contributed to returns on better-than-expected sales and earnings ↑ CSW Industrials, Inc., a building products provider, helped returns as its product mix, efficiencies and business execution yielded record revenues and earnings ↑ Essential Properties Realty Trust, owner and manager of single-tenant, long-term lease properties, aided returns on strong demand with 99% occupancy rates ↑ AAON, Inc., a heating, air-conditioning and ventilation equipment manufacturer, contributed to Index-relative returns on strong revenue and earnings growth | |
| Performance Past Does Not Indicate Future [Text] | THE FUND'S PAST PERFORMANCE IS NO GUARANTEE OF FUTURE RESULTS. | |
| Line Graph [Table Text Block] | Class R6 Russell 3000 ® Russell 2000 ® 9/14 $5,000,000 $5,000,000 $5,000,000 10/14 $5,325,186 $5,137,566 $5,329,596 11/14 $5,395,609 $5,262,069 $5,334,373 12/14 $5,475,722 $5,262,010 $5,486,403 1/15 $5,294,052 $5,115,560 $5,309,927 2/15 $5,669,038 $5,411,756 $5,625,158 3/15 $5,734,253 $5,356,740 $5,723,155 4/15 $5,734,253 $5,380,970 $5,577,199 5/15 $5,708,632 $5,455,396 $5,704,527 6/15 $5,829,746 $5,364,125 $5,747,245 7/15 $5,811,113 $5,453,842 $5,680,451 8/15 $5,557,241 $5,124,596 $5,323,487 9/15 $5,436,127 $4,975,266 $5,062,300 10/15 $5,713,291 $5,368,239 $5,347,511 11/15 $5,720,278 $5,397,998 $5,521,460 12/15 $5,440,511 $5,287,202 $5,244,228 1/16 $5,126,001 $4,988,870 $4,783,079 2/16 $5,138,683 $4,987,263 $4,782,865 3/16 $5,511,529 $5,338,397 $5,164,594 4/16 $5,526,747 $5,371,482 $5,245,650 5/16 $5,612,984 $5,467,580 $5,363,808 6/16 $5,640,884 $5,478,822 $5,360,426 7/16 $5,864,085 $5,696,260 $5,680,480 8/16 $5,838,721 $5,710,790 $5,780,934 9/16 $5,879,303 $5,719,767 $5,845,324 10/16 $5,673,857 $5,596,017 $5,567,437 11/16 $6,318,095 $5,846,451 $6,188,274 12/16 $6,557,985 $5,960,533 $6,361,667 1/17 $6,506,570 $6,072,722 $6,386,760 2/17 $6,676,240 $6,298,576 $6,510,017 3/17 $6,735,367 $6,302,861 $6,518,536 4/17 $6,750,792 $6,369,670 $6,590,021 5/17 $6,696,806 $6,434,857 $6,455,954 6/17 $6,853,622 $6,492,928 $6,679,125 7/17 $6,863,905 $6,615,352 $6,728,748 8/17 $6,779,070 $6,628,098 $6,643,145 9/17 $7,072,136 $6,789,743 $7,057,736 10/17 $7,162,112 $6,937,910 $7,117,899 11/17 $7,435,549 $7,148,580 $7,323,032 12/17 $7,456,040 $7,220,030 $7,293,476 1/18 $7,707,795 $7,600,601 $7,484,085 2/18 $7,435,549 $7,320,446 $7,194,289 3/18 $7,499,951 $7,173,495 $7,287,338 4/18 $7,479,459 $7,200,759 $7,350,339 5/18 $7,912,712 $7,404,039 $7,796,509 6/18 $7,982,969 $7,452,460 $7,852,377 7/18 $8,117,628 $7,699,777 $7,989,232 8/18 $8,439,640 $7,970,176 $8,333,647 9/18 $8,410,367 $7,983,369 $8,133,204 10/18 $7,578,990 $7,395,532 $7,249,804 11/18 $7,769,270 $7,543,654 $7,365,039 12/18 $6,968,451 $6,841,571 $6,490,176 1/19 $7,672,398 $7,428,810 $7,220,311 2/19 $8,095,383 $7,690,075 $7,595,679 3/19 $7,996,583 $7,802,364 $7,436,707 4/19 $8,363,994 $8,113,927 $7,689,336 5/19 $7,981,146 $7,588,860 $7,091,316 6/19 $8,539,981 $8,121,876 $7,592,511 7/19 $8,700,530 $8,242,608 $7,636,223 8/19 $8,450,444 $8,074,580 $7,259,191 9/19 $8,490,581 $8,216,296 $7,410,229 10/19 $8,468,968 $8,393,167 $7,605,388 11/19 $8,722,142 $8,712,206 $7,918,462 12/19 $8,805,859 $8,963,761 $8,146,787 1/20 $8,708,782 $8,953,970 $7,885,507 2/20 $8,029,240 $8,220,879 $7,221,688 3/20 $6,707,735 $7,090,362 $5,652,669 4/20 $7,399,802 $8,029,411 $6,429,088 5/20 $7,784,981 $8,458,811 $6,847,459 6/20 $7,835,085 $8,652,195 $7,089,499 7/20 $8,192,079 $9,143,496 $7,285,725 8/20 $8,527,153 $9,805,891 $7,696,227 9/20 $8,145,106 $9,448,848 $7,439,148 10/20 $8,379,971 $9,244,912 $7,594,952 11/20 $9,350,745 $10,369,585 $8,994,890 12/20 $10,128,284 $10,836,092 $9,772,952 1/21 $10,150,241 $10,787,894 $10,264,749 2/21 $10,777,573 $11,125,094 $10,904,501 3/21 $11,119,469 $11,523,849 $11,014,023 4/21 $11,455,092 $12,117,894 $11,245,305 5/21 $11,505,279 $12,173,212 $11,268,489 6/21 $11,473,912 $12,473,390 $11,486,810 7/21 $11,492,732 $12,684,323 $11,072,036 8/21 $11,662,112 $13,046,052 $11,319,699 9/21 $11,307,669 $12,460,703 $10,985,940 10/21 $11,869,132 $13,303,352 $11,453,275 11/21 $11,395,496 $13,100,858 $10,976,020 12/21 $12,157,773 $13,616,752 $11,221,206 1/22 $11,247,367 $12,815,595 $10,140,899 2/22 $11,610,186 $12,492,779 $10,249,153 3/22 $11,495,965 $12,897,998 $10,376,715 4/22 $10,740,094 $11,740,502 $9,348,286 5/22 $10,481,418 $11,724,761 $9,362,413 6/22 $9,876,720 $10,743,883 $8,592,420 7/22 $10,766,969 $11,751,852 $9,489,492 8/22 $10,152,194 $11,313,282 $9,295,311 9/22 $9,322,415 $10,264,211 $8,404,490 10/22 $10,357,119 $11,105,938 $9,329,732 11/22 $10,743,453 $11,685,626 $9,547,654 12/22 $10,233,792 $11,001,392 $8,927,989 1/23 $11,203,238 $11,759,088 $9,798,165 2/23 $11,206,651 $11,484,246 $9,632,665 3/23 $10,902,846 $11,791,325 $9,172,418 4/23 $10,848,230 $11,916,954 $9,007,513 5/23 $10,424,951 $11,963,320 $8,924,307 6/23 $11,121,313 $12,780,241 $9,649,868 7/23 $11,414,877 $13,238,371 $10,239,992 8/23 $11,015,493 $12,982,821 $9,727,703 9/23 $10,254,274 $12,364,394 $9,155,012 10/23 $9,656,904 $12,036,630 $8,530,650 11/23 $10,472,740 $13,159,025 $9,302,756 12/23 $11,442,764 $13,857,005 $10,439,400 1/24 $11,185,739 $14,010,578 $10,033,375 2/24 $11,768,330 $14,768,978 $10,600,679 3/24 $12,272,099 $15,245,387 $10,980,172 4/24 $11,473,607 $14,574,564 $10,207,359 5/24 $11,840,297 $15,263,169 $10,719,434 6/24 $11,679,228 $15,735,677 $10,620,275 7/24 $12,477,719 $16,028,187 $11,699,286 8/24 $12,673,059 $16,377,100 $11,524,524 9/24 $12,806,712 $16,715,874 $11,605,069 | |
| Average Annual Return [Table Text Block] | Fund 1 Year 5 Years 10 Years Class R6 24.89% 8.56% 9.85% Russell 3000 ® Index Footnote Reference 35.19% 15.25% 12.82% Russell 2000 ® 26.76% 9.38% 8.78% | |
| AssetsNet | $ 2,837,551,291 | |
| Holdings Count | Holding | 68 | |
| Advisory Fees Paid, Amount | $ 19,828,805 | |
| InvestmentCompanyPortfolioTurnover | 32% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $2,837,551,291 # of Portfolio Holdings 68 Portfolio Turnover Rate 32% Total Advisory Fees Paid $19,828,805 | |
| Holdings [Text Block] | Sector Allocation (% of total investments) Value Value Communication Services 0.5% Short-Term Investments 1.6% Utilities 1.9% Consumer Staples 4.6% Materials 6.1% Real Estate 8.6% Information Technology 9.3% Health Care 10.6% Consumer Discretionary 11.4% Financials 21.5% Industrials 23.9% Top Ten Holdings (% of total investments) Footnote Reference AptarGroup, Inc. 3.4% Essential Properties Realty Trust, Inc. 3.1% Chemed Corp. 3.0% Dorman Products, Inc. 2.8% Commerce Bancshares, Inc. 2.7% CSW Industrials, Inc. 2.5% Community Financial System, Inc. 2.4% CBIZ, Inc. 2.4% SouthState Corp. 2.3% Wyndham Hotels & Resorts, Inc. 2.3% Total 26.9% Footnote Description Footnote a Excluding cash equivalents | |
| Material Fund Change [Text Block] | ||
| Updated Prospectus Phone Number | 1-800-368-2745 | |
| Shareholder Report, Line Graph (Details) - USD ($) | 12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sep. 30, 2024 | Aug. 31, 2024 | Jul. 31, 2024 | Jun. 30, 2024 | May 31, 2024 | Apr. 30, 2024 | Mar. 31, 2024 | Feb. 29, 2024 | Jan. 31, 2024 | Dec. 31, 2023 | Nov. 30, 2023 | Oct. 31, 2023 | Sep. 30, 2023 | Aug. 31, 2023 | Jul. 31, 2023 | Jun. 30, 2023 | May 31, 2023 | Apr. 30, 2023 | Mar. 31, 2023 | Feb. 28, 2023 | Jan. 31, 2023 | Dec. 31, 2022 | Nov. 30, 2022 | Oct. 31, 2022 | Sep. 30, 2022 | Aug. 31, 2022 | Jul. 31, 2022 | Jun. 30, 2022 | May 31, 2022 | Apr. 30, 2022 | Mar. 31, 2022 | Feb. 28, 2022 | Jan. 31, 2022 | Dec. 31, 2021 | Nov. 30, 2021 | Oct. 31, 2021 | Sep. 30, 2021 | Aug. 31, 2021 | Jul. 31, 2021 | Jun. 30, 2021 | May 31, 2021 | Apr. 30, 2021 | Mar. 31, 2021 | Feb. 28, 2021 | Jan. 31, 2021 | Dec. 31, 2020 | Nov. 30, 2020 | Oct. 31, 2020 | Sep. 30, 2020 | Aug. 31, 2020 | Jul. 31, 2020 | Jun. 30, 2020 | May 31, 2020 | Apr. 30, 2020 | Mar. 31, 2020 | Feb. 29, 2020 | Jan. 31, 2020 | Dec. 31, 2019 | Nov. 30, 2019 | Oct. 31, 2019 | Sep. 30, 2019 | Aug. 31, 2019 | Jul. 31, 2019 | Jun. 30, 2019 | May 31, 2019 | Apr. 30, 2019 | Mar. 31, 2019 | Feb. 28, 2019 | Jan. 31, 2019 | Dec. 31, 2018 | Nov. 30, 2018 | Oct. 31, 2018 | Sep. 30, 2018 | Aug. 31, 2018 | Jul. 31, 2018 | Jun. 30, 2018 | May 31, 2018 | Apr. 30, 2018 | Mar. 31, 2018 | Feb. 28, 2018 | Jan. 31, 2018 | Dec. 31, 2017 | Nov. 30, 2017 | Oct. 31, 2017 | Sep. 30, 2017 | Aug. 31, 2017 | Jul. 31, 2017 | Jun. 30, 2017 | May 31, 2017 | Apr. 30, 2017 | Mar. 31, 2017 | Feb. 28, 2017 | Jan. 31, 2017 | Dec. 31, 2016 | Nov. 30, 2016 | Oct. 31, 2016 | Sep. 30, 2016 | Aug. 31, 2016 | Jul. 31, 2016 | Jun. 30, 2016 | May 31, 2016 | Apr. 30, 2016 | Mar. 31, 2016 | Feb. 29, 2016 | Jan. 31, 2016 | Dec. 31, 2015 | Nov. 30, 2015 | Oct. 31, 2015 | Sep. 30, 2015 | Aug. 31, 2015 | Jul. 31, 2015 | Jun. 30, 2015 | May 31, 2015 | Apr. 30, 2015 | Mar. 31, 2015 | Feb. 28, 2015 | Jan. 31, 2015 | Dec. 31, 2014 | Nov. 30, 2014 | Oct. 31, 2014 | Sep. 30, 2014 | |
| C000047593 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | Class A with Maximum Sales Charge | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 17,050 | $ 16,237 | $ 16,121 | $ 15,632 | $ 16,683 | $ 15,330 | $ 15,877 | $ 15,243 | $ 14,984 | $ 16,380 | $ 15,130 | $ 13,674 | $ 15,016 | $ 16,243 | $ 17,671 | $ 17,114 | $ 16,315 | $ 16,515 | $ 16,872 | $ 16,315 | $ 17,014 | $ 15,544 | $ 16,494 | $ 14,608 | $ 13,984 | $ 16,054 | $ 16,650 | $ 15,019 | $ 16,593 | $ 16,026 | $ 17,643 | $ 17,388 | $ 17,161 | $ 18,877 | $ 18,884 | $ 19,577 | $ 18,092 | $ 18,997 | $ 18,729 | $ 18,573 | $ 18,205 | $ 18,021 | $ 17,908 | $ 17,795 | $ 18,177 | $ 17,725 | $ 15,987 | $ 13,500 | $ 13,402 | $ 13,247 | $ 11,870 | $ 10,747 | $ 10,114 | $ 9,496 | $ 8,415 | $ 10,452 | $ 10,859 | $ 10,999 | $ 10,430 | $ 10,166 | $ 9,846 | $ 9,540 | $ 9,693 | $ 9,846 | $ 9,136 | $ 9,804 | $ 9,401 | $ 9,498 | $ 9,178 | $ 8,260 | $ 8,861 | $ 8,560 | $ 9,503 | $ 9,695 | $ 9,777 | $ 9,545 | $ 9,996 | $ 9,900 | $ 9,982 | $ 10,078 | $ 10,666 | $ 10,283 | $ 10,095 | $ 10,149 | $ 9,770 | $ 9,419 | $ 9,378 | $ 9,135 | $ 8,986 | $ 8,743 | $ 8,513 | $ 8,405 | $ 8,230 | $ 7,946 | $ 7,769 | $ 7,890 | $ 8,331 | $ 8,184 | $ 8,210 | $ 7,930 | $ 8,291 | $ 8,398 | $ 8,398 | $ 7,849 | $ 7,849 | $ 8,612 | $ 8,274 | $ 8,447 | $ 7,687 | $ 8,087 | $ 8,808 | $ 9,261 | $ 9,622 | $ 9,769 | $ 9,448 | $ 9,342 | $ 8,501 | $ 8,888 | $ 9,248 | $ 9,382 | $ 9,475 |
| C000047595 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | Class C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 16,867 | 15,848 | 15,757 | 15,272 | 16,302 | 15,000 | 15,545 | 14,924 | 14,697 | 16,075 | 14,853 | 13,431 | 14,762 | 15,973 | 17,394 | 16,850 | 16,078 | 16,290 | 16,638 | 16,109 | 16,804 | 15,368 | 16,305 | 14,460 | 13,840 | 15,897 | 16,502 | 14,899 | 16,472 | 15,912 | 17,530 | 17,288 | 17,077 | 18,786 | 18,816 | 19,527 | 18,045 | 18,967 | 18,710 | 18,559 | 18,211 | 18,030 | 17,939 | 17,833 | 18,226 | 17,787 | 16,057 | 13,564 | 13,474 | 13,338 | 11,948 | 10,830 | 10,196 | 9,577 | 8,489 | 10,543 | 10,966 | 11,132 | 10,550 | 10,294 | 9,978 | 9,662 | 9,828 | 9,978 | 9,271 | 9,963 | 9,557 | 9,662 | 9,346 | 8,413 | 9,030 | 8,717 | 9,702 | 9,896 | 9,986 | 9,747 | 10,225 | 10,120 | 10,225 | 10,329 | 10,941 | 10,553 | 10,361 | 10,421 | 10,035 | 9,693 | 9,649 | 9,411 | 9,263 | 9,010 | 8,788 | 8,669 | 8,506 | 8,224 | 8,044 | 8,178 | 8,622 | 8,489 | 8,519 | 8,222 | 8,607 | 8,726 | 8,726 | 8,178 | 8,163 | 8,978 | 8,622 | 8,815 | 8,030 | 8,459 | 9,215 | 9,704 | 10,074 | 10,252 | 9,926 | 9,822 | 8,933 | 9,363 | 9,748 | 9,896 | 10,000 |
| C000047596 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | Class I | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 1,855,696 | 1,766,480 | 1,754,170 | 1,700,314 | 1,814,181 | 1,666,461 | 1,726,473 | 1,655,690 | 1,629,532 | 1,780,329 | 1,643,995 | 1,485,684 | 1,630,295 | 1,762,727 | 1,919,516 | 1,857,105 | 1,770,339 | 1,791,650 | 1,829,705 | 1,768,816 | 1,844,927 | 1,685,094 | 1,787,045 | 1,581,776 | 1,513,857 | 1,738,747 | 1,802,138 | 1,625,547 | 1,796,101 | 1,734,219 | 1,907,791 | 1,880,623 | 1,856,474 | 2,040,612 | 2,040,980 | 2,116,072 | 1,953,875 | 2,052,995 | 2,022,959 | 2,004,946 | 1,965,904 | 1,944,880 | 1,932,867 | 1,920,855 | 1,961,396 | 1,911,826 | 1,724,276 | 1,456,261 | 1,444,345 | 1,427,970 | 1,279,073 | 1,158,459 | 1,089,964 | 1,022,961 | 905,326 | 1,124,216 | 1,168,882 | 1,183,774 | 1,122,157 | 1,094,210 | 1,058,912 | 1,025,086 | 1,041,263 | 1,057,442 | 980,965 | 1,053,028 | 1,008,904 | 1,019,200 | 985,372 | 886,837 | 951,509 | 916,907 | 1,019,264 | 1,039,449 | 1,048,096 | 1,022,144 | 1,069,718 | 1,059,630 | 1,068,278 | 1,078,368 | 1,140,362 | 1,098,550 | 1,077,745 | 1,083,429 | 1,043,616 | 1,006,648 | 1,000,964 | 975,369 | 958,307 | 932,714 | 908,540 | 895,745 | 877,259 | 847,402 | 828,308 | 840,879 | 886,975 | 871,613 | 873,010 | 843,676 | 881,388 | 892,560 | 892,557 | 833,892 | 832,496 | 913,512 | 877,943 | 895,972 | 815,529 | 857,139 | 933,425 | 981,968 | 1,018,027 | 1,033,285 | 1,000,000 | 987,517 | 898,752 | 938,974 | 976,422 | 990,291 | 1,000,000 |
| C000070983 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | Class A with Maximum Sales Charge | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 18,299 | 17,580 | 17,210 | 16,187 | 16,653 | 15,937 | 16,545 | 16,051 | 15,340 | 15,965 | 14,875 | 13,412 | 13,888 | 14,963 | 15,539 | 15,140 | 14,309 | 14,559 | 14,548 | 14,337 | 14,664 | 13,495 | 14,069 | 12,928 | 11,973 | 13,283 | 14,031 | 12,846 | 13,911 | 13,911 | 15,036 | 15,047 | 15,467 | 16,788 | 15,944 | 16,149 | 15,473 | 16,420 | 15,911 | 15,397 | 15,451 | 15,224 | 14,592 | 13,986 | 13,564 | 13,694 | 12,988 | 11,630 | 11,630 | 11,700 | 11,163 | 10,674 | 10,524 | 9,977 | 9,199 | 10,937 | 11,796 | 11,930 | 11,522 | 11,512 | 11,017 | 10,735 | 10,905 | 10,926 | 10,091 | 10,783 | 10,405 | 10,415 | 10,091 | 9,319 | 9,860 | 9,639 | 10,506 | 10,595 | 10,668 | 10,348 | 10,490 | 10,448 | 10,448 | 10,390 | 10,999 | 10,789 | 10,772 | 10,523 | 10,366 | 9,987 | 10,122 | 9,872 | 9,820 | 9,804 | 9,612 | 9,476 | 9,294 | 9,076 | 9,065 | 8,894 | 9,216 | 9,065 | 9,029 | 8,821 | 8,670 | 8,675 | 8,347 | 7,634 | 7,515 | 7,962 | 8,465 | 8,350 | 7,737 | 8,226 | 8,668 | 8,980 | 9,245 | 9,433 | 9,105 | 9,209 | 8,590 | 9,126 | 9,325 | 9,601 | 9,475 |
| C000070984 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | Class C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 18,201 | 17,236 | 16,888 | 15,894 | 16,364 | 15,668 | 16,278 | 15,802 | 15,107 | 15,735 | 14,668 | 13,233 | 13,717 | 14,787 | 15,367 | 14,979 | 14,166 | 14,423 | 14,423 | 14,219 | 14,554 | 13,406 | 13,978 | 12,856 | 11,911 | 13,224 | 13,978 | 12,808 | 13,877 | 13,883 | 15,017 | 15,035 | 15,468 | 16,798 | 15,961 | 16,180 | 15,510 | 16,464 | 15,966 | 15,463 | 15,528 | 15,309 | 14,681 | 14,083 | 13,662 | 13,805 | 13,102 | 11,734 | 11,746 | 11,823 | 11,284 | 10,799 | 10,657 | 10,112 | 9,325 | 11,095 | 11,971 | 12,119 | 11,710 | 11,704 | 11,214 | 10,930 | 11,107 | 11,143 | 10,292 | 11,007 | 10,629 | 10,647 | 10,322 | 9,536 | 10,098 | 9,875 | 10,774 | 10,868 | 10,951 | 10,627 | 10,780 | 10,745 | 10,750 | 10,698 | 11,326 | 11,115 | 11,113 | 10,855 | 10,709 | 10,322 | 10,463 | 10,211 | 10,164 | 10,158 | 9,959 | 9,830 | 9,648 | 9,426 | 9,420 | 9,244 | 9,590 | 9,438 | 9,408 | 9,192 | 9,045 | 9,051 | 8,717 | 7,973 | 7,856 | 8,331 | 8,858 | 8,747 | 8,108 | 8,629 | 9,098 | 9,426 | 9,719 | 9,918 | 9,578 | 9,696 | 9,051 | 9,614 | 9,832 | 10,130 | 10,000 |
| C000139783 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | Class I | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 1,993,819 | 1,915,274 | 1,874,733 | 1,762,937 | 1,813,920 | 1,735,295 | 1,801,021 | 1,746,966 | 1,668,954 | 1,736,523 | 1,617,786 | 1,458,278 | 1,510,253 | 1,626,150 | 1,688,878 | 1,644,670 | 1,554,461 | 1,581,344 | 1,579,552 | 1,556,253 | 1,591,500 | 1,464,849 | 1,526,161 | 1,402,259 | 1,298,323 | 1,439,841 | 1,520,876 | 1,392,277 | 1,507,370 | 1,506,783 | 1,628,335 | 1,628,923 | 1,674,725 | 1,817,417 | 1,725,565 | 1,747,621 | 1,673,908 | 1,775,480 | 1,720,341 | 1,664,598 | 1,669,842 | 1,644,876 | 1,576,382 | 1,510,804 | 1,464,384 | 1,478,310 | 1,401,894 | 1,254,737 | 1,254,723 | 1,262,205 | 1,203,590 | 1,150,712 | 1,134,608 | 1,075,413 | 990,914 | 1,178,303 | 1,270,265 | 1,284,626 | 1,240,267 | 1,239,119 | 1,185,656 | 1,154,944 | 1,172,563 | 1,175,413 | 1,084,995 | 1,158,913 | 1,117,964 | 1,119,101 | 1,083,843 | 1,000,823 | 1,058,386 | 1,034,337 | 1,127,194 | 1,136,694 | 1,144,522 | 1,109,273 | 1,124,382 | 1,119,908 | 1,119,348 | 1,113,201 | 1,177,530 | 1,154,585 | 1,152,697 | 1,125,087 | 1,108,521 | 1,067,676 | 1,081,487 | 1,054,436 | 1,048,907 | 1,047,247 | 1,025,723 | 1,011,372 | 991,503 | 967,766 | 966,665 | 947,897 | 982,131 | 965,561 | 961,702 | 938,507 | 923,043 | 923,038 | 887,707 | 811,525 | 798,822 | 845,749 | 898,762 | 886,746 | 820,635 | 872,545 | 918,986 | 951,773 | 979,646 | 998,761 | 963,256 | 974,183 | 908,072 | 964,349 | 984,725 | 1,013,747 | 1,000,000 |
| C000131729 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | Class A with Maximum Sales Charge | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 12,403 | 10,806 | 10,643 | 10,443 | 10,362 | 10,205 | 10,395 | 10,301 | 10,391 | 10,399 | 10,053 | 9,663 | 9,792 | 9,974 | 10,021 | 9,986 | 10,608 | 10,710 | 10,621 | 10,457 | 10,680 | 10,349 | 10,465 | 10,166 | 10,215 | 10,606 | 10,897 | 10,587 | 10,850 | 10,857 | 11,219 | 11,468 | 11,671 | 11,897 | 11,923 | 11,917 | 11,972 | 12,065 | 12,103 | 11,972 | 11,916 | 11,895 | 11,868 | 11,951 | 12,106 | 12,130 | 12,084 | 11,937 | 11,952 | 11,937 | 11,964 | 11,723 | 11,569 | 11,506 | 11,084 | 11,726 | 11,607 | 11,338 | 11,378 | 11,386 | 11,353 | 11,428 | 11,166 | 11,095 | 10,953 | 10,812 | 10,785 | 10,609 | 10,581 | 10,497 | 10,362 | 10,308 | 10,367 | 10,414 | 10,339 | 10,342 | 10,340 | 10,294 | 10,348 | 10,318 | 10,381 | 10,466 | 10,444 | 10,449 | 10,451 | 10,505 | 10,431 | 10,383 | 10,376 | 10,319 | 10,265 | 10,265 | 10,203 | 10,160 | 10,163 | 10,320 | 10,378 | 10,369 | 10,367 | 10,279 | 10,134 | 10,107 | 10,061 | 9,961 | 9,914 | 9,802 | 9,830 | 9,875 | 9,864 | 9,838 | 9,858 | 9,800 | 9,912 | 9,940 | 9,993 | 9,962 | 10,027 | 9,827 | 9,805 | 9,743 | 9,675 |
| C000131731 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | Class I | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 1,240,251 | 1,080,591 | 1,064,277 | 1,044,329 | 1,036,154 | 1,020,541 | 1,039,464 | 1,030,065 | 1,039,059 | 1,039,922 | 1,005,342 | 966,274 | 979,162 | 997,356 | 1,002,149 | 998,642 | 1,127,343 | 1,137,849 | 1,128,169 | 1,109,715 | 1,134,015 | 1,098,663 | 1,110,750 | 1,078,759 | 1,083,773 | 1,124,113 | 1,154,716 | 1,122,460 | 1,150,086 | 1,150,592 | 1,188,566 | 1,214,688 | 1,235,929 | 1,259,604 | 1,261,998 | 1,261,174 | 1,266,682 | 1,276,205 | 1,280,012 | 1,265,903 | 1,259,685 | 1,257,190 | 1,254,087 | 1,262,655 | 1,278,726 | 1,280,944 | 1,275,809 | 1,260,044 | 1,261,371 | 1,259,568 | 1,262,922 | 1,236,518 | 1,220,777 | 1,213,158 | 1,168,446 | 1,235,781 | 1,222,973 | 1,195,162 | 1,198,436 | 1,199,000 | 1,195,238 | 1,202,893 | 1,175,055 | 1,168,123 | 1,152,263 | 1,137,210 | 1,134,811 | 1,116,134 | 1,112,979 | 1,103,174 | 1,088,871 | 1,082,977 | 1,088,163 | 1,092,913 | 1,085,522 | 1,084,820 | 1,084,424 | 1,079,394 | 1,084,811 | 1,081,459 | 1,087,093 | 1,095,762 | 1,093,171 | 1,093,436 | 1,093,426 | 1,098,799 | 1,090,635 | 1,085,301 | 1,084,193 | 1,077,981 | 1,072,015 | 1,071,658 | 1,064,864 | 1,060,069 | 1,059,982 | 1,076,021 | 1,080,988 | 1,080,449 | 1,079,914 | 1,069,681 | 1,054,909 | 1,051,154 | 1,046,664 | 1,036,008 | 1,030,762 | 1,018,793 | 1,020,681 | 1,025,115 | 1,023,633 | 1,020,609 | 1,022,995 | 1,015,984 | 1,026,674 | 1,029,906 | 1,035,042 | 1,031,497 | 1,037,857 | 1,016,841 | 1,014,202 | 1,007,358 | 1,000,000 |
| C000211124 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | Class R6 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 6,201,256 | 5,402,955 | 5,321,384 | 5,221,646 | 5,180,770 | 5,102,706 | 5,197,318 | 5,150,327 | 5,195,295 | 5,199,611 | 5,026,711 | 4,831,371 | 4,895,810 | 4,986,780 | 5,010,747 | 4,993,210 | 5,651,989 | 5,704,370 | 5,655,637 | 5,562,946 | 5,684,441 | 5,507,117 | 5,567,409 | 5,406,949 | 5,431,809 | 5,633,592 | 5,786,592 | 5,624,816 | 5,762,912 | 5,765,190 | 5,951,053 | 6,085,548 | 6,191,649 | 6,309,999 | 6,321,703 | 6,317,319 | 6,344,616 | 6,392,014 | 6,410,789 | 6,339,891 | 6,308,499 | 6,295,755 | 6,279,950 | 6,322,548 | 6,402,715 | 6,413,525 | 6,387,539 | 6,308,385 | 6,314,744 | 6,305,458 | 6,321,949 | 6,189,578 | 6,106,724 | 6,072,196 | 5,848,262 | 6,184,795 | 6,120,481 | 5,977,328 | 5,997,218 | 5,999,769 | 5,980,684 | 6,018,698 | 5,879,285 | 5,840,618 | 5,760,981 | 5,685,401 | 5,673,093 | 5,579,416 | 5,564,897 | 5,515,869 | 5,444,353 | 5,414,885 | 5,440,815 | 5,464,567 | 5,427,608 | 5,424,099 | 5,422,120 | 5,396,970 | 5,424,053 | 5,407,295 | 5,435,467 | 5,478,811 | 5,465,853 | 5,467,182 | 5,467,132 | 5,493,996 | 5,453,177 | 5,426,503 | 5,420,964 | 5,389,904 | 5,360,074 | 5,358,288 | 5,324,320 | 5,300,344 | 5,299,908 | 5,380,106 | 5,404,939 | 5,402,245 | 5,399,571 | 5,348,404 | 5,274,545 | 5,255,772 | 5,233,318 | 5,180,041 | 5,153,810 | 5,093,963 | 5,103,406 | 5,125,577 | 5,118,167 | 5,103,046 | 5,114,973 | 5,079,922 | 5,133,372 | 5,149,530 | 5,175,212 | 5,157,483 | 5,189,286 | 5,084,204 | 5,071,010 | 5,036,790 | 5,000,000 |
| C000023745 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | Class A with Maximum Sales Charge | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 23,386 | 23,149 | 22,806 | 21,343 | 21,645 | 20,979 | 22,449 | 21,528 | 20,471 | 20,952 | 19,177 | 17,689 | 18,793 | 20,192 | 20,926 | 20,398 | 19,122 | 19,904 | 20,007 | 20,570 | 20,570 | 18,800 | 19,739 | 19,036 | 17,142 | 18,670 | 19,806 | 18,177 | 19,286 | 19,773 | 21,172 | 21,389 | 20,726 | 22,410 | 21,005 | 21,886 | 20,860 | 21,515 | 21,213 | 21,181 | 21,244 | 21,162 | 20,546 | 19,916 | 18,764 | 18,726 | 17,298 | 15,504 | 15,069 | 15,787 | 15,170 | 14,509 | 14,421 | 13,710 | 12,432 | 14,887 | 16,152 | 16,335 | 16,183 | 15,717 | 15,760 | 15,692 | 16,158 | 15,866 | 14,828 | 15,549 | 14,865 | 15,052 | 14,268 | 12,963 | 14,463 | 14,110 | 15,664 | 15,723 | 15,123 | 14,876 | 14,752 | 13,951 | 13,993 | 13,875 | 14,387 | 13,916 | 13,887 | 13,378 | 13,214 | 12,669 | 12,833 | 12,818 | 12,530 | 12,638 | 12,612 | 12,509 | 12,191 | 12,294 | 11,852 | 10,645 | 11,036 | 10,965 | 11,016 | 10,600 | 10,549 | 10,392 | 10,371 | 9,672 | 9,646 | 10,245 | 10,776 | 10,767 | 10,250 | 10,483 | 10,967 | 11,004 | 10,781 | 10,832 | 10,836 | 10,715 | 10,013 | 10,357 | 10,213 | 10,085 | 9,475 |
| C000023746 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | Class C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 23,246 | 22,687 | 22,357 | 20,943 | 21,257 | 20,612 | 22,067 | 21,183 | 20,149 | 20,629 | 18,901 | 17,437 | 18,537 | 19,934 | 20,678 | 20,166 | 18,917 | 19,703 | 19,818 | 20,389 | 20,397 | 18,653 | 19,602 | 18,911 | 17,042 | 18,570 | 19,716 | 18,099 | 19,220 | 19,716 | 21,130 | 21,358 | 20,707 | 22,406 | 21,019 | 21,912 | 20,891 | 21,566 | 21,274 | 21,259 | 21,334 | 21,266 | 20,658 | 20,036 | 18,887 | 18,865 | 17,432 | 15,638 | 15,210 | 15,938 | 15,331 | 14,670 | 14,588 | 13,882 | 12,592 | 15,083 | 16,381 | 16,576 | 16,427 | 15,968 | 16,027 | 15,961 | 16,450 | 16,161 | 15,116 | 15,857 | 15,168 | 15,368 | 14,575 | 13,256 | 14,799 | 14,442 | 16,046 | 16,117 | 15,514 | 15,269 | 15,150 | 14,337 | 14,386 | 14,274 | 14,813 | 14,337 | 14,316 | 13,795 | 13,638 | 13,083 | 13,264 | 13,258 | 12,968 | 13,083 | 13,065 | 12,968 | 12,648 | 12,763 | 12,311 | 11,062 | 11,478 | 11,413 | 11,466 | 11,044 | 10,996 | 10,842 | 10,824 | 10,104 | 10,086 | 10,717 | 11,279 | 11,273 | 10,738 | 10,992 | 11,505 | 11,554 | 11,322 | 11,387 | 11,397 | 11,279 | 10,544 | 10,917 | 10,772 | 10,639 | 10,000 |
| C000023747 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | Class I | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 2,550,301 | 2,524,348 | 2,486,100 | 2,326,962 | 2,359,063 | 2,285,983 | 2,445,120 | 2,344,720 | 2,229,294 | 2,280,519 | 2,087,354 | 1,924,642 | 2,044,464 | 2,196,284 | 2,275,938 | 2,218,069 | 2,079,185 | 2,163,605 | 2,173,817 | 2,235,090 | 2,234,409 | 2,041,060 | 2,143,370 | 2,066,223 | 1,860,271 | 2,025,301 | 2,148,737 | 1,970,962 | 2,091,715 | 2,143,370 | 2,294,983 | 2,317,792 | 2,245,340 | 2,427,141 | 2,275,405 | 2,370,056 | 2,257,853 | 2,328,685 | 2,295,463 | 2,291,702 | 2,297,971 | 2,288,568 | 2,221,497 | 2,153,172 | 2,027,805 | 2,023,418 | 1,868,542 | 1,674,489 | 1,627,541 | 1,703,910 | 1,637,557 | 1,565,569 | 1,556,180 | 1,479,184 | 1,340,843 | 1,605,006 | 1,740,843 | 1,760,248 | 1,743,811 | 1,693,176 | 1,697,499 | 1,690,089 | 1,739,488 | 1,707,379 | 1,596,229 | 1,672,799 | 1,599,317 | 1,619,077 | 1,534,480 | 1,393,690 | 1,553,854 | 1,515,798 | 1,682,073 | 1,687,928 | 1,623,526 | 1,596,594 | 1,582,542 | 1,495,892 | 1,499,990 | 1,487,110 | 1,541,559 | 1,491,208 | 1,487,110 | 1,432,422 | 1,414,427 | 1,355,814 | 1,372,781 | 1,370,724 | 1,339,361 | 1,350,158 | 1,347,073 | 1,335,248 | 1,301,314 | 1,311,597 | 1,263,619 | 1,134,771 | 1,175,861 | 1,167,744 | 1,172,817 | 1,128,177 | 1,122,597 | 1,105,349 | 1,102,306 | 1,027,737 | 1,025,200 | 1,088,102 | 1,144,056 | 1,142,658 | 1,087,225 | 1,111,448 | 1,162,223 | 1,165,949 | 1,141,726 | 1,146,851 | 1,146,851 | 1,133,808 | 1,058,810 | 1,095,144 | 1,079,122 | 1,065,037 | 1,000,000 |
| C000211123 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | Class R6 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 12,806,712 | 12,673,059 | 12,477,719 | 11,679,228 | 11,840,297 | 11,473,607 | 12,272,099 | 11,768,330 | 11,185,739 | 11,442,764 | 10,472,740 | 9,656,904 | 10,254,274 | 11,015,493 | 11,414,877 | 11,121,313 | 10,424,951 | 10,848,230 | 10,902,846 | 11,206,651 | 11,203,238 | 10,233,792 | 10,743,453 | 10,357,119 | 9,322,415 | 10,152,194 | 10,766,969 | 9,876,720 | 10,481,418 | 10,740,094 | 11,495,965 | 11,610,186 | 11,247,367 | 12,157,773 | 11,395,496 | 11,869,132 | 11,307,669 | 11,662,112 | 11,492,732 | 11,473,912 | 11,505,279 | 11,455,092 | 11,119,469 | 10,777,573 | 10,150,241 | 10,128,284 | 9,350,745 | 8,379,971 | 8,145,106 | 8,527,153 | 8,192,079 | 7,835,085 | 7,784,981 | 7,399,802 | 6,707,735 | 8,029,240 | 8,708,782 | 8,805,859 | 8,722,142 | 8,468,968 | 8,490,581 | 8,450,444 | 8,700,530 | 8,539,981 | 7,981,146 | 8,363,994 | 7,996,583 | 8,095,383 | 7,672,398 | 6,968,451 | 7,769,270 | 7,578,990 | 8,410,367 | 8,439,640 | 8,117,628 | 7,982,969 | 7,912,712 | 7,479,459 | 7,499,951 | 7,435,549 | 7,707,795 | 7,456,040 | 7,435,549 | 7,162,112 | 7,072,136 | 6,779,070 | 6,863,905 | 6,853,622 | 6,696,806 | 6,750,792 | 6,735,367 | 6,676,240 | 6,506,570 | 6,557,985 | 6,318,095 | 5,673,857 | 5,879,303 | 5,838,721 | 5,864,085 | 5,640,884 | 5,612,984 | 5,526,747 | 5,511,529 | 5,138,683 | 5,126,001 | 5,440,511 | 5,720,278 | 5,713,291 | 5,436,127 | 5,557,241 | 5,811,113 | 5,829,746 | 5,708,632 | 5,734,253 | 5,734,253 | 5,669,038 | 5,294,052 | 5,475,722 | 5,395,609 | 5,325,186 | 5,000,000 |
| EATON VANCE Index: MSCI ACWI Index | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | MSCI ACWI Index | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 24,526 | 23,969 | 23,375 | 23,004 | 22,503 | 21,625 | 22,363 | 21,682 | 20,790 | 20,669 | 19,721 | 18,055 | 18,615 | 19,418 | 19,976 | 19,270 | 18,213 | 18,410 | 18,149 | 17,606 | 18,126 | 16,913 | 17,606 | 16,339 | 15,409 | 17,040 | 17,692 | 16,537 | 18,059 | 18,038 | 19,607 | 19,192 | 19,701 | 20,718 | 19,921 | 20,413 | 19,421 | 20,258 | 19,764 | 19,628 | 19,373 | 19,076 | 18,277 | 17,802 | 17,399 | 17,478 | 16,703 | 14,870 | 15,240 | 15,748 | 14,840 | 14,094 | 13,658 | 13,089 | 11,822 | 13,667 | 14,868 | 15,034 | 14,523 | 14,177 | 13,799 | 13,515 | 13,843 | 13,803 | 12,954 | 13,771 | 13,322 | 13,156 | 12,813 | 11,876 | 12,776 | 12,591 | 13,611 | 13,552 | 13,447 | 13,053 | 13,124 | 13,108 | 12,984 | 13,268 | 13,850 | 13,110 | 12,902 | 12,657 | 12,399 | 12,164 | 12,118 | 11,789 | 11,735 | 11,482 | 11,305 | 11,169 | 10,864 | 10,575 | 10,351 | 10,273 | 10,451 | 10,387 | 10,352 | 9,924 | 9,985 | 9,972 | 9,827 | 9,149 | 9,213 | 9,804 | 9,984 | 10,067 | 9,334 | 9,685 | 10,398 | 10,309 | 10,557 | 10,571 | 10,273 | 10,435 | 9,884 | 10,041 | 10,239 | 10,070 | 10,000 |
| EATON VANCE Index: MSCI ACWI Index | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | MSCI ACWI Index | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 24,526 | 23,969 | 23,375 | 23,004 | 22,503 | 21,625 | 22,363 | 21,682 | 20,790 | 20,669 | 19,721 | 18,055 | 18,615 | 19,418 | 19,976 | 19,270 | 18,213 | 18,410 | 18,149 | 17,606 | 18,126 | 16,913 | 17,606 | 16,339 | 15,409 | 17,040 | 17,692 | 16,537 | 18,059 | 18,038 | 19,607 | 19,192 | 19,701 | 20,718 | 19,921 | 20,413 | 19,421 | 20,258 | 19,764 | 19,628 | 19,373 | 19,076 | 18,277 | 17,802 | 17,399 | 17,478 | 16,703 | 14,870 | 15,240 | 15,748 | 14,840 | 14,094 | 13,658 | 13,089 | 11,822 | 13,667 | 14,868 | 15,034 | 14,523 | 14,177 | 13,799 | 13,515 | 13,843 | 13,803 | 12,954 | 13,771 | 13,322 | 13,156 | 12,813 | 11,876 | 12,776 | 12,591 | 13,611 | 13,552 | 13,447 | 13,053 | 13,124 | 13,108 | 12,984 | 13,268 | 13,850 | 13,110 | 12,902 | 12,657 | 12,399 | 12,164 | 12,118 | 11,789 | 11,735 | 11,482 | 11,305 | 11,169 | 10,864 | 10,575 | 10,351 | 10,273 | 10,451 | 10,387 | 10,352 | 9,924 | 9,985 | 9,972 | 9,827 | 9,149 | 9,213 | 9,804 | 9,984 | 10,067 | 9,334 | 9,685 | 10,398 | 10,309 | 10,557 | 10,571 | 10,273 | 10,435 | 9,884 | 10,041 | 10,239 | 10,070 | 10,000 |
| EATON VANCE Index: MSCI ACWI Index | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | MSCI ACWI Index | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 2,452,576 | 2,396,894 | 2,337,529 | 2,300,429 | 2,250,309 | 2,162,483 | 2,236,264 | 2,168,190 | 2,078,974 | 2,066,858 | 1,972,129 | 1,805,489 | 1,861,458 | 1,941,751 | 1,997,570 | 1,927,026 | 1,821,281 | 1,840,999 | 1,814,914 | 1,760,629 | 1,812,578 | 1,691,347 | 1,760,630 | 1,633,899 | 1,540,910 | 1,704,036 | 1,769,167 | 1,653,686 | 1,805,919 | 1,803,808 | 1,960,750 | 1,919,182 | 1,970,063 | 2,071,815 | 1,992,129 | 2,041,284 | 1,942,150 | 2,025,837 | 1,976,370 | 1,962,847 | 1,937,315 | 1,907,628 | 1,827,716 | 1,780,169 | 1,739,867 | 1,747,816 | 1,670,267 | 1,486,978 | 1,524,025 | 1,574,801 | 1,483,974 | 1,409,434 | 1,365,793 | 1,308,869 | 1,182,223 | 1,366,737 | 1,486,828 | 1,503,435 | 1,452,292 | 1,417,685 | 1,379,918 | 1,351,481 | 1,384,320 | 1,380,276 | 1,295,450 | 1,377,141 | 1,332,159 | 1,315,614 | 1,281,342 | 1,187,572 | 1,277,556 | 1,259,140 | 1,361,143 | 1,355,245 | 1,344,680 | 1,305,316 | 1,312,423 | 1,310,787 | 1,298,388 | 1,326,790 | 1,384,956 | 1,310,994 | 1,290,194 | 1,265,692 | 1,239,945 | 1,216,443 | 1,211,800 | 1,178,855 | 1,173,519 | 1,148,164 | 1,130,545 | 1,116,881 | 1,086,406 | 1,057,491 | 1,035,131 | 1,027,323 | 1,045,061 | 1,038,695 | 1,035,214 | 992,443 | 998,492 | 997,232 | 982,726 | 914,921 | 921,262 | 980,390 | 998,395 | 1,006,706 | 933,447 | 968,536 | 1,039,816 | 1,030,863 | 1,055,718 | 1,057,098 | 1,027,288 | 1,043,460 | 988,432 | 1,004,127 | 1,023,889 | 1,007,043 | 1,000,000 |
| EATON VANCE Index: MSCI ACWI Index | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | MSCI ACWI Index | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 24,526 | 23,969 | 23,375 | 23,004 | 22,503 | 21,625 | 22,363 | 21,682 | 20,790 | 20,669 | 19,721 | 18,055 | 18,615 | 19,418 | 19,976 | 19,270 | 18,213 | 18,410 | 18,149 | 17,606 | 18,126 | 16,913 | 17,606 | 16,339 | 15,409 | 17,040 | 17,692 | 16,537 | 18,059 | 18,038 | 19,607 | 19,192 | 19,701 | 20,718 | 19,921 | 20,413 | 19,421 | 20,258 | 19,764 | 19,628 | 19,373 | 19,076 | 18,277 | 17,802 | 17,399 | 17,478 | 16,703 | 14,870 | 15,240 | 15,748 | 14,840 | 14,094 | 13,658 | 13,089 | 11,822 | 13,667 | 14,868 | 15,034 | 14,523 | 14,177 | 13,799 | 13,515 | 13,843 | 13,803 | 12,954 | 13,771 | 13,322 | 13,156 | 12,813 | 11,876 | 12,776 | 12,591 | 13,611 | 13,552 | 13,447 | 13,053 | 13,124 | 13,108 | 12,984 | 13,268 | 13,850 | 13,110 | 12,902 | 12,657 | 12,399 | 12,164 | 12,118 | 11,789 | 11,735 | 11,482 | 11,305 | 11,169 | 10,864 | 10,575 | 10,351 | 10,273 | 10,451 | 10,387 | 10,352 | 9,924 | 9,985 | 9,972 | 9,827 | 9,149 | 9,213 | 9,804 | 9,984 | 10,067 | 9,334 | 9,685 | 10,398 | 10,309 | 10,557 | 10,571 | 10,273 | 10,435 | 9,884 | 10,041 | 10,239 | 10,070 | 10,000 |
| EATON VANCE Index: MSCI ACWI Index | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | MSCI ACWI Index | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 24,526 | 23,969 | 23,375 | 23,004 | 22,503 | 21,625 | 22,363 | 21,682 | 20,790 | 20,669 | 19,721 | 18,055 | 18,615 | 19,418 | 19,976 | 19,270 | 18,213 | 18,410 | 18,149 | 17,606 | 18,126 | 16,913 | 17,606 | 16,339 | 15,409 | 17,040 | 17,692 | 16,537 | 18,059 | 18,038 | 19,607 | 19,192 | 19,701 | 20,718 | 19,921 | 20,413 | 19,421 | 20,258 | 19,764 | 19,628 | 19,373 | 19,076 | 18,277 | 17,802 | 17,399 | 17,478 | 16,703 | 14,870 | 15,240 | 15,748 | 14,840 | 14,094 | 13,658 | 13,089 | 11,822 | 13,667 | 14,868 | 15,034 | 14,523 | 14,177 | 13,799 | 13,515 | 13,843 | 13,803 | 12,954 | 13,771 | 13,322 | 13,156 | 12,813 | 11,876 | 12,776 | 12,591 | 13,611 | 13,552 | 13,447 | 13,053 | 13,124 | 13,108 | 12,984 | 13,268 | 13,850 | 13,110 | 12,902 | 12,657 | 12,399 | 12,164 | 12,118 | 11,789 | 11,735 | 11,482 | 11,305 | 11,169 | 10,864 | 10,575 | 10,351 | 10,273 | 10,451 | 10,387 | 10,352 | 9,924 | 9,985 | 9,972 | 9,827 | 9,149 | 9,213 | 9,804 | 9,984 | 10,067 | 9,334 | 9,685 | 10,398 | 10,309 | 10,557 | 10,571 | 10,273 | 10,435 | 9,884 | 10,041 | 10,239 | 10,070 | 10,000 |
| EATON VANCE Index: MSCI ACWI Index | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | MSCI ACWI Index | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 2,452,576 | 2,396,894 | 2,337,529 | 2,300,429 | 2,250,309 | 2,162,483 | 2,236,264 | 2,168,190 | 2,078,974 | 2,066,858 | 1,972,129 | 1,805,489 | 1,861,458 | 1,941,751 | 1,997,570 | 1,927,026 | 1,821,281 | 1,840,999 | 1,814,914 | 1,760,629 | 1,812,578 | 1,691,347 | 1,760,630 | 1,633,899 | 1,540,910 | 1,704,036 | 1,769,167 | 1,653,686 | 1,805,919 | 1,803,808 | 1,960,750 | 1,919,182 | 1,970,063 | 2,071,815 | 1,992,129 | 2,041,284 | 1,942,150 | 2,025,837 | 1,976,370 | 1,962,847 | 1,937,315 | 1,907,628 | 1,827,716 | 1,780,169 | 1,739,867 | 1,747,816 | 1,670,267 | 1,486,978 | 1,524,025 | 1,574,801 | 1,483,974 | 1,409,434 | 1,365,793 | 1,308,869 | 1,182,223 | 1,366,737 | 1,486,828 | 1,503,435 | 1,452,292 | 1,417,685 | 1,379,918 | 1,351,481 | 1,384,320 | 1,380,276 | 1,295,450 | 1,377,141 | 1,332,159 | 1,315,614 | 1,281,342 | 1,187,572 | 1,277,556 | 1,259,140 | 1,361,143 | 1,355,245 | 1,344,680 | 1,305,316 | 1,312,423 | 1,310,787 | 1,298,388 | 1,326,790 | 1,384,956 | 1,310,994 | 1,290,194 | 1,265,692 | 1,239,945 | 1,216,443 | 1,211,800 | 1,178,855 | 1,173,519 | 1,148,164 | 1,130,545 | 1,116,881 | 1,086,406 | 1,057,491 | 1,035,131 | 1,027,323 | 1,045,061 | 1,038,695 | 1,035,214 | 992,443 | 998,492 | 997,232 | 982,726 | 914,921 | 921,262 | 980,390 | 998,395 | 1,006,706 | 933,447 | 968,536 | 1,039,816 | 1,030,863 | 1,055,718 | 1,057,098 | 1,027,288 | 1,043,460 | 988,432 | 1,004,127 | 1,023,889 | 1,007,043 | 1,000,000 |
| EATON VANCE Index: Bloomberg U.S. Universal Index | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | Bloomberg U.S. Universal Index | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 12,373 | 12,205 | 12,028 | 11,761 | 11,655 | 11,465 | 11,739 | 11,625 | 11,766 | 11,794 | 11,363 | 10,874 | 11,040 | 11,309 | 11,378 | 11,366 | 11,384 | 11,503 | 11,434 | 11,171 | 11,453 | 11,108 | 11,146 | 10,745 | 10,865 | 11,354 | 11,657 | 11,371 | 11,603 | 11,539 | 11,986 | 12,317 | 12,487 | 12,767 | 12,776 | 12,760 | 12,771 | 12,881 | 12,889 | 12,761 | 12,669 | 12,621 | 12,515 | 12,663 | 12,828 | 12,909 | 12,865 | 12,699 | 12,745 | 12,768 | 12,842 | 12,620 | 12,516 | 12,400 | 12,156 | 12,399 | 12,216 | 12,000 | 11,982 | 11,985 | 11,946 | 11,998 | 11,733 | 11,698 | 11,535 | 11,361 | 11,345 | 11,144 | 11,132 | 10,980 | 10,811 | 10,763 | 10,853 | 10,900 | 10,847 | 10,824 | 10,840 | 10,781 | 10,853 | 10,799 | 10,902 | 11,008 | 10,960 | 10,976 | 10,963 | 11,002 | 10,908 | 10,854 | 10,863 | 10,780 | 10,691 | 10,695 | 10,613 | 10,576 | 10,544 | 10,787 | 10,859 | 10,856 | 10,844 | 10,756 | 10,570 | 10,562 | 10,490 | 10,363 | 10,290 | 10,178 | 10,229 | 10,266 | 10,233 | 10,194 | 10,224 | 10,164 | 10,279 | 10,297 | 10,309 | 10,267 | 10,327 | 10,134 | 10,152 | 10,098 | 10,000 |
| EATON VANCE Index: Bloomberg U.S. Universal Index | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | Bloomberg U.S. Universal Index | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 1,237,255 | 1,220,515 | 1,202,809 | 1,176,114 | 1,165,459 | 1,146,456 | 1,173,887 | 1,162,474 | 1,176,580 | 1,179,403 | 1,136,287 | 1,087,351 | 1,103,953 | 1,130,920 | 1,137,771 | 1,136,641 | 1,138,410 | 1,150,337 | 1,143,352 | 1,117,145 | 1,145,286 | 1,110,828 | 1,114,614 | 1,074,548 | 1,086,469 | 1,135,386 | 1,165,689 | 1,137,100 | 1,160,286 | 1,153,936 | 1,198,643 | 1,231,687 | 1,248,712 | 1,276,703 | 1,277,564 | 1,276,023 | 1,277,067 | 1,288,066 | 1,288,927 | 1,276,113 | 1,266,877 | 1,262,063 | 1,251,539 | 1,266,275 | 1,282,828 | 1,290,942 | 1,286,499 | 1,269,928 | 1,274,483 | 1,276,784 | 1,284,189 | 1,262,020 | 1,251,577 | 1,239,996 | 1,215,645 | 1,239,864 | 1,221,573 | 1,200,035 | 1,198,249 | 1,198,489 | 1,194,629 | 1,199,827 | 1,173,279 | 1,169,797 | 1,153,482 | 1,136,079 | 1,134,491 | 1,114,368 | 1,113,155 | 1,098,015 | 1,081,101 | 1,076,261 | 1,085,340 | 1,090,010 | 1,084,667 | 1,082,401 | 1,083,973 | 1,078,094 | 1,085,336 | 1,079,889 | 1,090,227 | 1,100,820 | 1,095,989 | 1,097,650 | 1,096,333 | 1,100,205 | 1,090,794 | 1,085,388 | 1,086,309 | 1,077,992 | 1,069,121 | 1,069,479 | 1,061,291 | 1,057,560 | 1,054,427 | 1,078,673 | 1,085,877 | 1,085,619 | 1,084,449 | 1,075,586 | 1,056,978 | 1,056,153 | 1,049,006 | 1,036,306 | 1,028,996 | 1,017,761 | 1,022,871 | 1,026,615 | 1,023,344 | 1,019,354 | 1,022,366 | 1,016,447 | 1,027,919 | 1,029,721 | 1,030,917 | 1,026,679 | 1,032,698 | 1,013,408 | 1,015,242 | 1,009,792 | 1,000,000 |
| EATON VANCE Index: Bloomberg U.S. Universal Index | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | Bloomberg U.S. Universal Index | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 6,186,276 | 6,102,576 | 6,014,044 | 5,880,568 | 5,827,297 | 5,732,278 | 5,869,437 | 5,812,368 | 5,882,902 | 5,897,014 | 5,681,437 | 5,436,756 | 5,519,764 | 5,654,598 | 5,688,856 | 5,683,206 | 5,692,052 | 5,751,684 | 5,716,761 | 5,585,724 | 5,726,432 | 5,554,141 | 5,573,070 | 5,372,739 | 5,432,344 | 5,676,928 | 5,828,446 | 5,685,501 | 5,801,428 | 5,769,682 | 5,993,214 | 6,158,437 | 6,243,562 | 6,383,515 | 6,387,822 | 6,380,115 | 6,385,334 | 6,440,332 | 6,444,633 | 6,380,565 | 6,334,386 | 6,310,316 | 6,257,696 | 6,331,377 | 6,414,139 | 6,454,709 | 6,432,497 | 6,349,638 | 6,372,414 | 6,383,919 | 6,420,945 | 6,310,102 | 6,257,887 | 6,199,980 | 6,078,224 | 6,199,319 | 6,107,865 | 6,000,174 | 5,991,246 | 5,992,444 | 5,973,146 | 5,999,137 | 5,866,395 | 5,848,985 | 5,767,409 | 5,680,394 | 5,672,454 | 5,571,839 | 5,565,773 | 5,490,077 | 5,405,504 | 5,381,303 | 5,426,699 | 5,450,052 | 5,423,333 | 5,412,007 | 5,419,867 | 5,390,471 | 5,426,680 | 5,399,447 | 5,451,135 | 5,504,100 | 5,479,943 | 5,488,248 | 5,481,666 | 5,501,026 | 5,453,971 | 5,426,940 | 5,431,545 | 5,389,960 | 5,345,606 | 5,347,397 | 5,306,454 | 5,287,798 | 5,272,137 | 5,393,365 | 5,429,384 | 5,428,094 | 5,422,245 | 5,377,929 | 5,284,889 | 5,280,765 | 5,245,029 | 5,181,528 | 5,144,980 | 5,088,805 | 5,114,355 | 5,133,074 | 5,116,718 | 5,096,768 | 5,111,830 | 5,082,236 | 5,139,597 | 5,148,604 | 5,154,585 | 5,133,397 | 5,163,490 | 5,067,038 | 5,076,209 | 5,048,962 | 5,000,000 |
| EATON VANCE Index: Russell 3000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | ®</sup> Index " id="sjs-B93" xml:space="preserve">Russell 3000<sup style="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;">®</sup> Index | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 33,432 | 32,754 | 32,056 | 31,471 | 30,526 | 29,149 | 30,491 | 29,538 | 28,021 | 27,714 | 26,318 | 24,073 | 24,729 | 25,966 | 26,477 | 25,560 | 23,927 | 23,834 | 23,583 | 22,968 | 23,518 | 22,003 | 23,371 | 22,212 | 20,528 | 22,627 | 23,504 | 21,488 | 23,450 | 23,481 | 25,796 | 24,986 | 25,631 | 27,234 | 26,202 | 26,607 | 24,921 | 26,092 | 25,369 | 24,947 | 24,346 | 24,236 | 23,048 | 22,250 | 21,576 | 21,672 | 20,739 | 18,490 | 18,898 | 19,612 | 18,287 | 17,304 | 16,918 | 16,059 | 14,181 | 16,442 | 17,908 | 17,928 | 17,424 | 16,786 | 16,433 | 16,149 | 16,485 | 16,244 | 15,178 | 16,228 | 15,605 | 15,380 | 14,858 | 13,683 | 15,087 | 14,791 | 15,967 | 15,940 | 15,400 | 14,905 | 14,808 | 14,402 | 14,347 | 14,641 | 15,201 | 14,440 | 14,297 | 13,876 | 13,579 | 13,256 | 13,231 | 12,986 | 12,870 | 12,739 | 12,606 | 12,597 | 12,145 | 11,921 | 11,693 | 11,192 | 11,440 | 11,422 | 11,393 | 10,958 | 10,935 | 10,743 | 10,677 | 9,975 | 9,978 | 10,574 | 10,796 | 10,736 | 9,951 | 10,249 | 10,908 | 10,728 | 10,911 | 10,762 | 10,713 | 10,824 | 10,231 | 10,524 | 10,524 | 10,275 | 10,000 |
| EATON VANCE Index: Russell 3000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | ®</sup> Index " id="sjs-B97" xml:space="preserve">Russell 3000<sup style="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;">®</sup> Index | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 33,432 | 32,754 | 32,056 | 31,471 | 30,526 | 29,149 | 30,491 | 29,538 | 28,021 | 27,714 | 26,318 | 24,073 | 24,729 | 25,966 | 26,477 | 25,560 | 23,927 | 23,834 | 23,583 | 22,968 | 23,518 | 22,003 | 23,371 | 22,212 | 20,528 | 22,627 | 23,504 | 21,488 | 23,450 | 23,481 | 25,796 | 24,986 | 25,631 | 27,234 | 26,202 | 26,607 | 24,921 | 26,092 | 25,369 | 24,947 | 24,346 | 24,236 | 23,048 | 22,250 | 21,576 | 21,672 | 20,739 | 18,490 | 18,898 | 19,612 | 18,287 | 17,304 | 16,918 | 16,059 | 14,181 | 16,442 | 17,908 | 17,928 | 17,424 | 16,786 | 16,433 | 16,149 | 16,485 | 16,244 | 15,178 | 16,228 | 15,605 | 15,380 | 14,858 | 13,683 | 15,087 | 14,791 | 15,967 | 15,940 | 15,400 | 14,905 | 14,808 | 14,402 | 14,347 | 14,641 | 15,201 | 14,440 | 14,297 | 13,876 | 13,579 | 13,256 | 13,231 | 12,986 | 12,870 | 12,739 | 12,606 | 12,597 | 12,145 | 11,921 | 11,693 | 11,192 | 11,440 | 11,422 | 11,393 | 10,958 | 10,935 | 10,743 | 10,677 | 9,975 | 9,978 | 10,574 | 10,796 | 10,736 | 9,951 | 10,249 | 10,908 | 10,728 | 10,911 | 10,762 | 10,713 | 10,824 | 10,231 | 10,524 | 10,524 | 10,275 | 10,000 |
| EATON VANCE Index: Russell 3000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | ®</sup> Index" id="sjs-B101">Russell 3000<sup style="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;">®</sup> Index | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 3,343,175 | 3,275,420 | 3,205,637 | 3,147,135 | 3,052,634 | 2,914,913 | 3,049,077 | 2,953,796 | 2,802,116 | 2,771,401 | 2,631,805 | 2,407,326 | 2,472,879 | 2,596,564 | 2,647,674 | 2,556,048 | 2,392,664 | 2,383,391 | 2,358,265 | 2,296,849 | 2,351,818 | 2,200,278 | 2,337,125 | 2,221,188 | 2,052,842 | 2,262,656 | 2,350,370 | 2,148,777 | 2,344,952 | 2,348,100 | 2,579,600 | 2,498,556 | 2,563,119 | 2,723,350 | 2,620,172 | 2,660,670 | 2,492,141 | 2,609,210 | 2,536,865 | 2,494,678 | 2,434,642 | 2,423,579 | 2,304,770 | 2,225,019 | 2,157,579 | 2,167,218 | 2,073,917 | 1,848,982 | 1,889,770 | 1,961,178 | 1,828,699 | 1,730,439 | 1,691,762 | 1,605,882 | 1,418,072 | 1,644,176 | 1,790,794 | 1,792,752 | 1,742,441 | 1,678,633 | 1,643,259 | 1,614,916 | 1,648,522 | 1,624,375 | 1,517,772 | 1,622,785 | 1,560,473 | 1,538,015 | 1,485,762 | 1,368,314 | 1,508,731 | 1,479,106 | 1,596,674 | 1,594,035 | 1,539,955 | 1,490,492 | 1,480,808 | 1,440,152 | 1,434,699 | 1,464,089 | 1,520,120 | 1,444,006 | 1,429,716 | 1,387,582 | 1,357,949 | 1,325,620 | 1,323,070 | 1,298,586 | 1,286,971 | 1,273,934 | 1,260,572 | 1,259,715 | 1,214,544 | 1,192,107 | 1,169,290 | 1,119,203 | 1,143,953 | 1,142,158 | 1,139,252 | 1,095,764 | 1,093,516 | 1,074,296 | 1,067,679 | 997,453 | 997,774 | 1,057,440 | 1,079,600 | 1,073,648 | 995,053 | 1,024,919 | 1,090,768 | 1,072,825 | 1,091,079 | 1,076,194 | 1,071,348 | 1,082,351 | 1,023,112 | 1,052,402 | 1,052,414 | 1,027,513 | 1,000,000 |
| EATON VANCE Index: Russell 3000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | ®</sup> Index" id="sjs-B105">Russell 3000<sup style="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;">®</sup> Index | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 16,715,874 | 16,377,100 | 16,028,187 | 15,735,677 | 15,263,169 | 14,574,564 | 15,245,387 | 14,768,978 | 14,010,578 | 13,857,005 | 13,159,025 | 12,036,630 | 12,364,394 | 12,982,821 | 13,238,371 | 12,780,241 | 11,963,320 | 11,916,954 | 11,791,325 | 11,484,246 | 11,759,088 | 11,001,392 | 11,685,626 | 11,105,938 | 10,264,211 | 11,313,282 | 11,751,852 | 10,743,883 | 11,724,761 | 11,740,502 | 12,897,998 | 12,492,779 | 12,815,595 | 13,616,752 | 13,100,858 | 13,303,352 | 12,460,703 | 13,046,052 | 12,684,323 | 12,473,390 | 12,173,212 | 12,117,894 | 11,523,849 | 11,125,094 | 10,787,894 | 10,836,092 | 10,369,585 | 9,244,912 | 9,448,848 | 9,805,891 | 9,143,496 | 8,652,195 | 8,458,811 | 8,029,411 | 7,090,362 | 8,220,879 | 8,953,970 | 8,963,761 | 8,712,206 | 8,393,167 | 8,216,296 | 8,074,580 | 8,242,608 | 8,121,876 | 7,588,860 | 8,113,927 | 7,802,364 | 7,690,075 | 7,428,810 | 6,841,571 | 7,543,654 | 7,395,532 | 7,983,369 | 7,970,176 | 7,699,777 | 7,452,460 | 7,404,039 | 7,200,759 | 7,173,495 | 7,320,446 | 7,600,601 | 7,220,030 | 7,148,580 | 6,937,910 | 6,789,743 | 6,628,098 | 6,615,352 | 6,492,928 | 6,434,857 | 6,369,670 | 6,302,861 | 6,298,576 | 6,072,722 | 5,960,533 | 5,846,451 | 5,596,017 | 5,719,767 | 5,710,790 | 5,696,260 | 5,478,822 | 5,467,580 | 5,371,482 | 5,338,397 | 4,987,263 | 4,988,870 | 5,287,202 | 5,397,998 | 5,368,239 | 4,975,266 | 5,124,596 | 5,453,842 | 5,364,125 | 5,455,396 | 5,380,970 | 5,356,740 | 5,411,756 | 5,115,560 | 5,262,010 | 5,262,069 | 5,137,566 | 5,000,000 |
| EATON VANCE Index: Calvert Global Energy Research Spliced Benchmark | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | Calvert Global Energy Research Spliced Benchmark | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 21,138 | 20,075 | 19,912 | 19,302 | 20,516 | 18,973 | 19,565 | 18,755 | 18,543 | 20,141 | 18,599 | 16,734 | 18,467 | 19,941 | 21,686 | 20,921 | 19,926 | 20,170 | 20,586 | 19,973 | 20,683 | 18,935 | 19,795 | 17,754 | 17,045 | 19,538 | 20,112 | 18,106 | 19,998 | 19,434 | 21,369 | 20,935 | 20,522 | 22,713 | 22,658 | 23,505 | 21,750 | 22,772 | 22,402 | 22,197 | 21,777 | 21,529 | 21,331 | 21,199 | 21,640 | 20,988 | 18,915 | 15,899 | 15,769 | 15,617 | 13,967 | 12,581 | 11,829 | 11,145 | 9,852 | 12,188 | 12,793 | 12,903 | 12,196 | 11,871 | 11,473 | 11,101 | 11,345 | 11,434 | 10,582 | 11,365 | 10,881 | 11,001 | 10,591 | 9,503 | 10,199 | 9,848 | 10,978 | 11,172 | 11,247 | 10,979 | 11,507 | 11,410 | 11,429 | 11,616 | 12,268 | 11,810 | 11,550 | 11,601 | 11,152 | 10,738 | 10,681 | 10,397 | 10,222 | 9,934 | 9,666 | 9,551 | 9,346 | 9,018 | 8,766 | 8,881 | 9,183 | 9,096 | 8,987 | 8,621 | 8,813 | 8,969 | 8,991 | 8,372 | 8,196 | 9,118 | 8,878 | 8,805 | 8,268 | 8,635 | 9,466 | 9,915 | 10,276 | 10,086 | 9,494 | 9,508 | 8,667 | 9,008 | 9,477 | 9,637 | 10,000 |
| EATON VANCE Index: Calvert Global Energy Research Spliced Benchmark | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | Calvert Global Energy Research Spliced Benchmark | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 21,138 | 20,075 | 19,912 | 19,302 | 20,516 | 18,973 | 19,565 | 18,755 | 18,543 | 20,141 | 18,599 | 16,734 | 18,467 | 19,941 | 21,686 | 20,921 | 19,926 | 20,170 | 20,586 | 19,973 | 20,683 | 18,935 | 19,795 | 17,754 | 17,045 | 19,538 | 20,112 | 18,106 | 19,998 | 19,434 | 21,369 | 20,935 | 20,522 | 22,713 | 22,658 | 23,505 | 21,750 | 22,772 | 22,402 | 22,197 | 21,777 | 21,529 | 21,331 | 21,199 | 21,640 | 20,988 | 18,915 | 15,899 | 15,769 | 15,617 | 13,967 | 12,581 | 11,829 | 11,145 | 9,852 | 12,188 | 12,793 | 12,903 | 12,196 | 11,871 | 11,473 | 11,101 | 11,345 | 11,434 | 10,582 | 11,365 | 10,881 | 11,001 | 10,591 | 9,503 | 10,199 | 9,848 | 10,978 | 11,172 | 11,247 | 10,979 | 11,507 | 11,410 | 11,429 | 11,616 | 12,268 | 11,810 | 11,550 | 11,601 | 11,152 | 10,738 | 10,681 | 10,397 | 10,222 | 9,934 | 9,666 | 9,551 | 9,346 | 9,018 | 8,766 | 8,881 | 9,183 | 9,096 | 8,987 | 8,621 | 8,813 | 8,969 | 8,991 | 8,372 | 8,196 | 9,118 | 8,878 | 8,805 | 8,268 | 8,635 | 9,466 | 9,915 | 10,276 | 10,086 | 9,494 | 9,508 | 8,667 | 9,008 | 9,477 | 9,637 | 10,000 |
| EATON VANCE Index: Calvert Global Energy Research Spliced Benchmark | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | Calvert Global Energy Research Spliced Benchmark | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 2,113,793 | 2,007,461 | 1,991,225 | 1,930,163 | 2,051,583 | 1,897,274 | 1,956,527 | 1,875,529 | 1,854,294 | 2,014,074 | 1,859,884 | 1,673,357 | 1,846,709 | 1,994,075 | 2,168,602 | 2,092,129 | 1,992,631 | 2,017,036 | 2,058,622 | 1,997,299 | 2,068,276 | 1,893,486 | 1,979,475 | 1,775,394 | 1,704,537 | 1,953,752 | 2,011,166 | 1,810,554 | 1,999,796 | 1,943,413 | 2,136,908 | 2,093,537 | 2,052,202 | 2,271,306 | 2,265,757 | 2,350,475 | 2,174,976 | 2,277,195 | 2,240,216 | 2,219,721 | 2,177,739 | 2,152,915 | 2,133,079 | 2,119,936 | 2,164,011 | 2,098,781 | 1,891,495 | 1,589,881 | 1,576,948 | 1,561,716 | 1,396,734 | 1,258,059 | 1,182,891 | 1,114,514 | 985,199 | 1,218,836 | 1,279,330 | 1,290,299 | 1,219,611 | 1,187,127 | 1,147,273 | 1,110,133 | 1,134,546 | 1,143,400 | 1,058,225 | 1,136,464 | 1,088,053 | 1,100,141 | 1,059,146 | 950,298 | 1,019,902 | 984,751 | 1,097,826 | 1,117,173 | 1,124,742 | 1,097,932 | 1,150,713 | 1,140,988 | 1,142,926 | 1,161,571 | 1,226,775 | 1,180,953 | 1,155,030 | 1,160,098 | 1,115,229 | 1,073,789 | 1,068,142 | 1,039,709 | 1,022,192 | 993,399 | 966,576 | 955,104 | 934,616 | 901,827 | 876,552 | 888,139 | 918,291 | 909,640 | 898,748 | 862,061 | 881,332 | 896,913 | 899,098 | 837,165 | 819,633 | 911,775 | 887,809 | 880,536 | 826,809 | 863,550 | 946,648 | 991,520 | 1,027,584 | 1,008,612 | 949,397 | 950,753 | 866,738 | 900,751 | 947,692 | 963,746 | 1,000,000 |
| EATON VANCE Index: Calvert Global Water Research Spliced Benchmark | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | Calvert Global Water Research Spliced Benchmark | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 26,534 | 25,425 | 24,877 | 23,387 | 23,981 | 23,051 | 23,859 | 23,112 | 22,167 | 22,954 | 21,364 | 19,188 | 19,935 | 21,444 | 22,247 | 21,606 | 20,390 | 20,760 | 20,730 | 20,465 | 20,830 | 19,190 | 19,838 | 18,377 | 17,039 | 18,888 | 19,843 | 18,159 | 19,688 | 19,745 | 21,331 | 21,250 | 21,747 | 23,679 | 22,430 | 22,716 | 21,794 | 23,061 | 22,303 | 21,562 | 21,614 | 21,294 | 20,380 | 19,525 | 18,934 | 19,065 | 18,090 | 16,131 | 16,122 | 16,234 | 15,454 | 14,723 | 14,502 | 13,795 | 12,706 | 15,016 | 16,310 | 16,444 | 15,841 | 15,817 | 15,106 | 14,717 | 14,990 | 14,952 | 13,773 | 14,708 | 14,193 | 14,214 | 13,746 | 12,615 | 13,328 | 13,041 | 14,225 | 14,331 | 14,386 | 13,957 | 14,099 | 14,059 | 14,002 | 13,967 | 14,757 | 14,457 | 14,388 | 14,028 | 13,816 | 13,286 | 13,463 | 13,118 | 13,052 | 13,022 | 12,750 | 12,577 | 12,320 | 11,997 | 11,897 | 11,657 | 12,069 | 11,865 | 11,826 | 11,516 | 11,327 | 11,246 | 10,777 | 9,970 | 9,889 | 10,086 | 10,357 | 10,218 | 9,556 | 9,576 | 10,083 | 10,288 | 10,567 | 10,624 | 10,128 | 10,282 | 9,986 | 10,201 | 10,266 | 10,304 | 10,000 |
| EATON VANCE Index: Calvert Global Water Research Spliced Benchmark | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | Calvert Global Water Research Spliced Benchmark | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 26,534 | 25,425 | 24,877 | 23,387 | 23,981 | 23,051 | 23,859 | 23,112 | 22,167 | 22,954 | 21,364 | 19,188 | 19,935 | 21,444 | 22,247 | 21,606 | 20,390 | 20,760 | 20,730 | 20,465 | 20,830 | 19,190 | 19,838 | 18,377 | 17,039 | 18,888 | 19,843 | 18,159 | 19,688 | 19,745 | 21,331 | 21,250 | 21,747 | 23,679 | 22,430 | 22,716 | 21,794 | 23,061 | 22,303 | 21,562 | 21,614 | 21,294 | 20,380 | 19,525 | 18,934 | 19,065 | 18,090 | 16,131 | 16,122 | 16,234 | 15,454 | 14,723 | 14,502 | 13,795 | 12,706 | 15,016 | 16,310 | 16,444 | 15,841 | 15,817 | 15,106 | 14,717 | 14,990 | 14,952 | 13,773 | 14,708 | 14,193 | 14,214 | 13,746 | 12,615 | 13,328 | 13,041 | 14,225 | 14,331 | 14,386 | 13,957 | 14,099 | 14,059 | 14,002 | 13,967 | 14,757 | 14,457 | 14,388 | 14,028 | 13,816 | 13,286 | 13,463 | 13,118 | 13,052 | 13,022 | 12,750 | 12,577 | 12,320 | 11,997 | 11,897 | 11,657 | 12,069 | 11,865 | 11,826 | 11,516 | 11,327 | 11,246 | 10,777 | 9,970 | 9,889 | 10,086 | 10,357 | 10,218 | 9,556 | 9,576 | 10,083 | 10,288 | 10,567 | 10,624 | 10,128 | 10,282 | 9,986 | 10,201 | 10,266 | 10,304 | 10,000 |
| EATON VANCE Index: Calvert Global Water Research Spliced Benchmark | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | Calvert Global Water Research Spliced Benchmark | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 2,653,403 | 2,542,507 | 2,487,671 | 2,338,708 | 2,398,064 | 2,305,134 | 2,385,856 | 2,311,225 | 2,216,665 | 2,295,428 | 2,136,384 | 1,918,786 | 1,993,511 | 2,144,446 | 2,224,730 | 2,160,638 | 2,039,035 | 2,076,017 | 2,072,973 | 2,046,460 | 2,083,000 | 1,918,994 | 1,983,758 | 1,837,683 | 1,703,891 | 1,888,825 | 1,984,341 | 1,815,917 | 1,968,790 | 1,974,530 | 2,133,104 | 2,124,974 | 2,174,688 | 2,367,866 | 2,242,992 | 2,271,570 | 2,179,377 | 2,306,085 | 2,230,334 | 2,156,202 | 2,161,395 | 2,129,437 | 2,038,007 | 1,952,461 | 1,893,420 | 1,906,463 | 1,808,978 | 1,613,106 | 1,612,163 | 1,623,397 | 1,545,363 | 1,472,315 | 1,450,212 | 1,379,458 | 1,270,589 | 1,501,592 | 1,630,993 | 1,644,417 | 1,584,082 | 1,581,675 | 1,510,649 | 1,471,706 | 1,499,002 | 1,495,178 | 1,377,334 | 1,470,801 | 1,419,350 | 1,421,407 | 1,374,573 | 1,261,507 | 1,332,843 | 1,304,092 | 1,422,480 | 1,433,121 | 1,438,643 | 1,395,701 | 1,409,896 | 1,405,893 | 1,400,239 | 1,396,722 | 1,475,660 | 1,445,708 | 1,438,817 | 1,402,836 | 1,381,634 | 1,328,551 | 1,346,340 | 1,311,811 | 1,305,155 | 1,302,242 | 1,275,015 | 1,257,673 | 1,232,015 | 1,199,699 | 1,189,690 | 1,165,671 | 1,206,917 | 1,186,508 | 1,182,615 | 1,151,565 | 1,132,651 | 1,124,634 | 1,077,705 | 996,987 | 988,901 | 1,008,648 | 1,035,708 | 1,021,817 | 955,649 | 957,643 | 1,008,289 | 1,028,824 | 1,056,713 | 1,062,434 | 1,012,836 | 1,028,243 | 998,568 | 1,020,073 | 1,026,601 | 1,030,386 | 1,000,000 |
| EATON VANCE Index: ICE BofA FI ESG Indices - ICE USD Green Bond Index TR USD | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | ICE BofA USD Green Bond Index | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 12,403 | 12,239 | 12,054 | 11,828 | 11,736 | 11,559 | 11,773 | 11,667 | 11,769 | 11,778 | 11,387 | 10,944 | 11,090 | 11,296 | 11,350 | 11,311 | 11,326 | 11,449 | 11,330 | 11,105 | 11,359 | 11,051 | 11,039 | 10,653 | 10,783 | 11,267 | 11,498 | 11,262 | 11,469 | 11,444 | 11,883 | 12,173 | 12,370 | 12,667 | 12,691 | 12,694 | 12,702 | 12,839 | 12,853 | 12,719 | 12,596 | 12,547 | 12,424 | 12,546 | 12,769 | 12,870 | 12,796 | 12,584 | 12,600 | 12,637 | 12,709 | 12,468 | 12,276 | 12,157 | 11,811 | 12,306 | 12,123 | 11,863 | 11,850 | 11,860 | 11,801 | 11,871 | 11,598 | 11,551 | 11,372 | 11,201 | 11,162 | 10,945 | 10,923 | 10,799 | 10,535 | 10,527 | 10,637 | 10,674 | 10,631 | 10,606 | 10,591 | 10,560 | 10,636 | 10,618 | 10,706 | 10,811 | 10,809 | 10,807 | 10,821 | 10,872 | 10,784 | 10,727 | 10,738 | 10,655 | 10,577 | 10,558 | 10,471 | 10,435 | 10,433 | 10,697 | 10,770 | 10,757 | 10,771 | 10,724 | 10,572 | 10,563 | 10,533 | 10,463 | 10,421 | 10,281 | 10,314 | 10,320 | 10,338 | 10,264 | 10,261 | 10,205 | 10,285 | 10,294 | 10,317 | 10,266 | 10,348 | 10,186 | 10,133 | 10,058 | 10,000 |
| EATON VANCE Index: ICE BofA FI ESG Indices - ICE USD Green Bond Index TR USD | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | ICE BofA USD Green Bond Index | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 1,240,251 | 1,223,892 | 1,205,414 | 1,182,821 | 1,173,562 | 1,155,879 | 1,177,311 | 1,166,666 | 1,176,852 | 1,177,830 | 1,138,664 | 1,094,415 | 1,109,012 | 1,129,619 | 1,135,048 | 1,131,076 | 1,132,614 | 1,144,878 | 1,132,991 | 1,110,489 | 1,135,853 | 1,105,050 | 1,103,868 | 1,065,283 | 1,078,321 | 1,126,706 | 1,149,808 | 1,126,247 | 1,146,874 | 1,144,369 | 1,188,312 | 1,217,271 | 1,237,022 | 1,266,654 | 1,269,119 | 1,269,363 | 1,270,229 | 1,283,909 | 1,285,264 | 1,271,879 | 1,259,554 | 1,254,736 | 1,242,360 | 1,254,573 | 1,276,932 | 1,286,996 | 1,279,611 | 1,258,434 | 1,260,023 | 1,263,690 | 1,270,871 | 1,246,750 | 1,227,610 | 1,215,682 | 1,181,080 | 1,230,554 | 1,212,310 | 1,186,325 | 1,184,981 | 1,186,030 | 1,180,112 | 1,187,089 | 1,159,770 | 1,155,105 | 1,137,248 | 1,120,095 | 1,116,193 | 1,094,487 | 1,092,297 | 1,079,870 | 1,053,477 | 1,052,652 | 1,063,684 | 1,067,361 | 1,063,123 | 1,060,577 | 1,059,079 | 1,056,024 | 1,063,612 | 1,061,809 | 1,070,641 | 1,081,061 | 1,080,868 | 1,080,674 | 1,082,100 | 1,087,183 | 1,078,443 | 1,072,678 | 1,073,819 | 1,065,538 | 1,057,684 | 1,055,800 | 1,047,090 | 1,043,525 | 1,043,301 | 1,069,673 | 1,076,987 | 1,075,673 | 1,077,089 | 1,072,383 | 1,057,195 | 1,056,319 | 1,053,345 | 1,046,255 | 1,042,099 | 1,028,052 | 1,031,393 | 1,032,025 | 1,033,797 | 1,026,433 | 1,026,117 | 1,020,464 | 1,028,511 | 1,029,366 | 1,031,668 | 1,026,636 | 1,034,826 | 1,018,620 | 1,013,327 | 1,005,794 | 1,000,000 |
| EATON VANCE Index: ICE BofA FI ESG Indices - ICE USD Green Bond Index TR USD | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | ICE BofA USD Green Bond Index | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 6,201,255 | 6,119,460 | 6,027,070 | 5,914,105 | 5,867,810 | 5,779,395 | 5,886,555 | 5,833,330 | 5,884,260 | 5,889,150 | 5,693,320 | 5,472,075 | 5,545,060 | 5,648,095 | 5,675,240 | 5,655,380 | 5,663,070 | 5,724,390 | 5,664,955 | 5,552,445 | 5,679,265 | 5,525,250 | 5,519,340 | 5,326,415 | 5,391,605 | 5,633,530 | 5,749,040 | 5,631,235 | 5,734,370 | 5,721,845 | 5,941,560 | 6,086,355 | 6,185,110 | 6,333,270 | 6,345,595 | 6,346,815 | 6,351,145 | 6,419,545 | 6,426,320 | 6,359,395 | 6,297,770 | 6,273,680 | 6,211,800 | 6,272,865 | 6,384,660 | 6,434,980 | 6,398,055 | 6,292,170 | 6,300,115 | 6,318,450 | 6,354,355 | 6,233,750 | 6,138,050 | 6,078,410 | 5,905,400 | 6,152,770 | 6,061,550 | 5,931,625 | 5,924,905 | 5,930,150 | 5,900,560 | 5,935,445 | 5,798,850 | 5,775,525 | 5,686,240 | 5,600,475 | 5,580,965 | 5,472,435 | 5,461,485 | 5,399,350 | 5,267,385 | 5,263,260 | 5,318,420 | 5,336,805 | 5,315,615 | 5,302,885 | 5,295,395 | 5,280,120 | 5,318,060 | 5,309,045 | 5,353,205 | 5,405,305 | 5,404,340 | 5,403,370 | 5,410,500 | 5,435,915 | 5,392,215 | 5,363,390 | 5,369,095 | 5,327,690 | 5,288,420 | 5,279,000 | 5,235,450 | 5,217,625 | 5,216,505 | 5,348,365 | 5,384,935 | 5,378,365 | 5,385,445 | 5,361,915 | 5,285,975 | 5,281,595 | 5,266,725 | 5,231,275 | 5,210,495 | 5,140,260 | 5,156,965 | 5,160,125 | 5,168,985 | 5,132,165 | 5,130,585 | 5,102,320 | 5,142,555 | 5,146,830 | 5,158,340 | 5,133,180 | 5,174,130 | 5,093,100 | 5,066,635 | 5,028,970 | 5,000,000 |
| EATON VANCE Index: Russell 2000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | ®</sup> Index" id="sjs-B145">Russell 2000<sup style="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;">®</sup> Index | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 23,210 | 23,049 | 23,399 | 21,241 | 21,439 | 20,415 | 21,960 | 21,201 | 20,067 | 20,879 | 18,606 | 17,061 | 18,310 | 19,455 | 20,480 | 19,300 | 17,849 | 18,015 | 18,345 | 19,265 | 19,596 | 17,856 | 19,095 | 18,659 | 16,809 | 18,591 | 18,979 | 17,185 | 18,725 | 18,697 | 20,753 | 20,498 | 20,282 | 22,442 | 21,952 | 22,907 | 21,972 | 22,639 | 22,144 | 22,974 | 22,537 | 22,491 | 22,028 | 21,809 | 20,529 | 19,546 | 17,990 | 15,190 | 14,878 | 15,392 | 14,571 | 14,179 | 13,695 | 12,858 | 11,305 | 14,443 | 15,771 | 16,294 | 15,837 | 15,211 | 14,820 | 14,518 | 15,272 | 15,185 | 14,183 | 15,379 | 14,873 | 15,191 | 14,441 | 12,980 | 14,730 | 14,500 | 16,266 | 16,667 | 15,978 | 15,705 | 15,593 | 14,701 | 14,575 | 14,389 | 14,968 | 14,587 | 14,646 | 14,236 | 14,115 | 13,286 | 13,457 | 13,358 | 12,912 | 13,180 | 13,037 | 13,020 | 12,774 | 12,723 | 12,377 | 11,135 | 11,691 | 11,562 | 11,361 | 10,721 | 10,728 | 10,491 | 10,329 | 9,566 | 9,566 | 10,488 | 11,043 | 10,695 | 10,125 | 10,647 | 11,361 | 11,494 | 11,409 | 11,154 | 11,446 | 11,250 | 10,620 | 10,973 | 10,669 | 10,659 | 10,000 |
| EATON VANCE Index: Russell 2000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | ®</sup> Index" id="sjs-B149">Russell 2000<sup style="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;">®</sup> Index | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 23,210 | 23,049 | 23,399 | 21,241 | 21,439 | 20,415 | 21,960 | 21,201 | 20,067 | 20,879 | 18,606 | 17,061 | 18,310 | 19,455 | 20,480 | 19,300 | 17,849 | 18,015 | 18,345 | 19,265 | 19,596 | 17,856 | 19,095 | 18,659 | 16,809 | 18,591 | 18,979 | 17,185 | 18,725 | 18,697 | 20,753 | 20,498 | 20,282 | 22,442 | 21,952 | 22,907 | 21,972 | 22,639 | 22,144 | 22,974 | 22,537 | 22,491 | 22,028 | 21,809 | 20,529 | 19,546 | 17,990 | 15,190 | 14,878 | 15,392 | 14,571 | 14,179 | 13,695 | 12,858 | 11,305 | 14,443 | 15,771 | 16,294 | 15,837 | 15,211 | 14,820 | 14,518 | 15,272 | 15,185 | 14,183 | 15,379 | 14,873 | 15,191 | 14,441 | 12,980 | 14,730 | 14,500 | 16,266 | 16,667 | 15,978 | 15,705 | 15,593 | 14,701 | 14,575 | 14,389 | 14,968 | 14,587 | 14,646 | 14,236 | 14,115 | 13,286 | 13,457 | 13,358 | 12,912 | 13,180 | 13,037 | 13,020 | 12,774 | 12,723 | 12,377 | 11,135 | 11,691 | 11,562 | 11,361 | 10,721 | 10,728 | 10,491 | 10,329 | 9,566 | 9,566 | 10,488 | 11,043 | 10,695 | 10,125 | 10,647 | 11,361 | 11,494 | 11,409 | 11,154 | 11,446 | 11,250 | 10,620 | 10,973 | 10,669 | 10,659 | 10,000 |
| EATON VANCE Index: Russell 2000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | ®</sup> Index" id="sjs-B153">Russell 2000<sup style="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;">®</sup> Index | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 2,321,014 | 2,304,905 | 2,339,857 | 2,124,055 | 2,143,887 | 2,041,472 | 2,196,034 | 2,120,136 | 2,006,675 | 2,087,880 | 1,860,551 | 1,706,130 | 1,831,002 | 1,945,541 | 2,047,998 | 1,929,974 | 1,784,861 | 1,801,503 | 1,834,484 | 1,926,533 | 1,959,633 | 1,785,598 | 1,909,531 | 1,865,946 | 1,680,898 | 1,859,062 | 1,897,898 | 1,718,484 | 1,872,483 | 1,869,657 | 2,075,343 | 2,049,831 | 2,028,180 | 2,244,241 | 2,195,204 | 2,290,655 | 2,197,188 | 2,263,940 | 2,214,407 | 2,297,362 | 2,253,698 | 2,249,061 | 2,202,805 | 2,180,900 | 2,052,950 | 1,954,590 | 1,798,978 | 1,518,990 | 1,487,830 | 1,539,245 | 1,457,145 | 1,417,900 | 1,369,492 | 1,285,818 | 1,130,534 | 1,444,338 | 1,577,101 | 1,629,357 | 1,583,692 | 1,521,078 | 1,482,046 | 1,451,838 | 1,527,245 | 1,518,502 | 1,418,263 | 1,537,867 | 1,487,341 | 1,519,136 | 1,444,062 | 1,298,035 | 1,473,008 | 1,449,961 | 1,626,641 | 1,666,729 | 1,597,846 | 1,570,475 | 1,559,302 | 1,470,068 | 1,457,468 | 1,438,858 | 1,496,817 | 1,458,695 | 1,464,606 | 1,423,580 | 1,411,547 | 1,328,629 | 1,345,750 | 1,335,825 | 1,291,191 | 1,318,004 | 1,303,707 | 1,302,003 | 1,277,352 | 1,272,333 | 1,237,655 | 1,113,487 | 1,169,065 | 1,156,187 | 1,136,096 | 1,072,085 | 1,072,762 | 1,049,130 | 1,032,919 | 956,573 | 956,616 | 1,048,846 | 1,104,292 | 1,069,502 | 1,012,460 | 1,064,697 | 1,136,090 | 1,149,449 | 1,140,905 | 1,115,440 | 1,144,631 | 1,125,032 | 1,061,985 | 1,097,281 | 1,066,875 | 1,065,919 | 1,000,000 |
| EATON VANCE Index: Russell 2000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | ®</sup> Index" id="sjs-B157">Russell 2000<sup style="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;">®</sup> Index | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 11,605,069 | $ 11,524,524 | $ 11,699,286 | $ 10,620,275 | $ 10,719,434 | $ 10,207,359 | $ 10,980,172 | $ 10,600,679 | $ 10,033,375 | $ 10,439,400 | $ 9,302,756 | $ 8,530,650 | $ 9,155,012 | $ 9,727,703 | $ 10,239,992 | $ 9,649,868 | $ 8,924,307 | $ 9,007,513 | $ 9,172,418 | $ 9,632,665 | $ 9,798,165 | $ 8,927,989 | $ 9,547,654 | $ 9,329,732 | $ 8,404,490 | $ 9,295,311 | $ 9,489,492 | $ 8,592,420 | $ 9,362,413 | $ 9,348,286 | $ 10,376,715 | $ 10,249,153 | $ 10,140,899 | $ 11,221,206 | $ 10,976,020 | $ 11,453,275 | $ 10,985,940 | $ 11,319,699 | $ 11,072,036 | $ 11,486,810 | $ 11,268,489 | $ 11,245,305 | $ 11,014,023 | $ 10,904,501 | $ 10,264,749 | $ 9,772,952 | $ 8,994,890 | $ 7,594,952 | $ 7,439,148 | $ 7,696,227 | $ 7,285,725 | $ 7,089,499 | $ 6,847,459 | $ 6,429,088 | $ 5,652,669 | $ 7,221,688 | $ 7,885,507 | $ 8,146,787 | $ 7,918,462 | $ 7,605,388 | $ 7,410,229 | $ 7,259,191 | $ 7,636,223 | $ 7,592,511 | $ 7,091,316 | $ 7,689,336 | $ 7,436,707 | $ 7,595,679 | $ 7,220,311 | $ 6,490,176 | $ 7,365,039 | $ 7,249,804 | $ 8,133,204 | $ 8,333,647 | $ 7,989,232 | $ 7,852,377 | $ 7,796,509 | $ 7,350,339 | $ 7,287,338 | $ 7,194,289 | $ 7,484,085 | $ 7,293,476 | $ 7,323,032 | $ 7,117,899 | $ 7,057,736 | $ 6,643,145 | $ 6,728,748 | $ 6,679,125 | $ 6,455,954 | $ 6,590,021 | $ 6,518,536 | $ 6,510,017 | $ 6,386,760 | $ 6,361,667 | $ 6,188,274 | $ 5,567,437 | $ 5,845,324 | $ 5,780,934 | $ 5,680,480 | $ 5,360,426 | $ 5,363,808 | $ 5,245,650 | $ 5,164,594 | $ 4,782,865 | $ 4,783,079 | $ 5,244,228 | $ 5,521,460 | $ 5,347,511 | $ 5,062,300 | $ 5,323,487 | $ 5,680,451 | $ 5,747,245 | $ 5,704,527 | $ 5,577,199 | $ 5,723,155 | $ 5,625,158 | $ 5,309,927 | $ 5,486,403 | $ 5,334,373 | $ 5,329,596 | $ 5,000,000 |
| Shareholder Report, Average Annual Return (Details) | 12 Months Ended | 60 Months Ended | 120 Months Ended |
| Sep. 30, 2024 | Sep. 30, 2024 | Sep. 30, 2024 | |
| C000047593 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class A with Maximum Sales Charge | ||
| Average Annual Return, Percent | 7.57% | 10.40% | 5.48% |
| C000047595 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class C | ||
| Average Annual Return, Percent | 11.58% | 10.73% | 5.36% |
| C000047596 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class I | ||
| C000070983 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class A with Maximum Sales Charge | ||
| Average Annual Return, Percent | 24.81% | 9.48% | 6.22% |
| C000070984 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class C | ||
| Average Annual Return, Percent | 29.72% | 9.83% | 6.17% |
| C000139783 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class I | ||
| C000131729 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class A with Maximum Sales Charge | ||
| Average Annual Return, Percent | 7.71% | (0.32%) | 1.44% |
| C000131731 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class I | ||
| C000211124 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class R6 | ||
| C000023745 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class A with Maximum Sales Charge | ||
| Average Annual Return, Percent | 17.88% | 7.04% | 8.86% |
| C000023746 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class C | ||
| Average Annual Return, Percent | 22.55% | 7.39% | 8.79% |
| C000023747 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class I | ||
| C000211123 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class R6 | ||
| Without Sales Load [Member] | C000047593 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 13.50% | 11.59% | 6.04% |
| Without Sales Load [Member] | C000047595 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 12.58% | 10.73% | 5.36% |
| Without Sales Load [Member] | C000047596 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 13.83% | 11.86% | 6.37% |
| Without Sales Load [Member] | C000070983 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 31.73% | 10.67% | 6.80% |
| Without Sales Load [Member] | C000070984 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 30.72% | 9.83% | 6.17% |
| Without Sales Load [Member] | C000139783 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 32.02% | 10.94% | 7.14% |
| Without Sales Load [Member] | C000131729 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 11.33% | 0.33% | 1.78% |
| Without Sales Load [Member] | C000131731 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 11.68% | 0.58% | 2.10% |
| Without Sales Load [Member] | C000211124 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 11.73% | 0.64% | 2.13% |
| Without Sales Load [Member] | C000023745 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 24.42% | 8.20% | 9.45% |
| Without Sales Load [Member] | C000023746 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 23.55% | 7.39% | 8.79% |
| Without Sales Load [Member] | C000023747 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 24.74% | 8.47% | 9.81% |
| Without Sales Load [Member] | C000211123 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 24.89% | 8.56% | 9.85% |
| EATON VANCE Index: MSCI ACWI Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | MSCI ACWI Index | ||
| Average Annual Return, Percent | 31.76% | 12.18% | 9.38% |
| EATON VANCE Index: MSCI ACWI Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | MSCI ACWI Index | ||
| Average Annual Return, Percent | 31.76% | 12.18% | 9.38% |
| EATON VANCE Index: MSCI ACWI Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | MSCI ACWI Index | ||
| Average Annual Return, Percent | 31.76% | 12.18% | 9.38% |
| EATON VANCE Index: MSCI ACWI Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | MSCI ACWI Index | ||
| Average Annual Return, Percent | 31.76% | 12.18% | 9.38% |
| EATON VANCE Index: MSCI ACWI Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | MSCI ACWI Index | ||
| Average Annual Return, Percent | 31.76% | 12.18% | 9.38% |
| EATON VANCE Index: MSCI ACWI Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | MSCI ACWI Index | ||
| Average Annual Return, Percent | 31.76% | 12.18% | 9.38% |
| EATON VANCE Index: Bloomberg U.S. Universal Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Bloomberg U.S. Universal Index | ||
| Average Annual Return, Percent | 12.08% | 0.70% | 2.15% |
| EATON VANCE Index: Bloomberg U.S. Universal Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Bloomberg U.S. Universal Index | ||
| Average Annual Return, Percent | 12.08% | 0.70% | 2.15% |
| EATON VANCE Index: Bloomberg U.S. Universal Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Bloomberg U.S. Universal Index | ||
| Average Annual Return, Percent | 12.08% | 0.70% | 2.15% |
| EATON VANCE Index: Russell 3000 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | ®</sup> Index " id="sjs-B126" xml:space="preserve">Russell 3000<sup style="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;">®</sup> Index | ||
| Average Annual Return, Percent | 35.19% | 15.25% | 12.82% |
| EATON VANCE Index: Russell 3000 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | ®</sup> Index " id="sjs-B130" xml:space="preserve">Russell 3000<sup style="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;">®</sup> Index | ||
| Average Annual Return, Percent | 35.19% | 15.25% | 12.82% |
| EATON VANCE Index: Russell 3000 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | ®</sup> Index" id="sjs-B134">Russell 3000<sup style="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;">®</sup> Index | ||
| Average Annual Return, Percent | 35.19% | 15.25% | 12.82% |
| EATON VANCE Index: Russell 3000 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | ®</sup> Index" id="sjs-B138">Russell 3000<sup style="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;">®</sup> Index | ||
| Average Annual Return, Percent | 35.19% | 15.25% | 12.82% |
| EATON VANCE Index: Calvert Global Energy Research Spliced Benchmark | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Calvert Global Energy Research Spliced Benchmark | ||
| Average Annual Return, Percent | 14.46% | 12.99% | 7.77% |
| EATON VANCE Index: Calvert Global Energy Research Spliced Benchmark | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Calvert Global Energy Research Spliced Benchmark | ||
| Average Annual Return, Percent | 14.46% | 12.99% | 7.77% |
| EATON VANCE Index: Calvert Global Energy Research Spliced Benchmark | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Calvert Global Energy Research Spliced Benchmark | ||
| Average Annual Return, Percent | 14.46% | 12.99% | 7.77% |
| EATON VANCE Index: Calvert Global Water Research Spliced Benchmark | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Calvert Global Water Research Spliced Benchmark | ||
| Average Annual Return, Percent | 33.10% | 11.91% | 10.24% |
| EATON VANCE Index: Calvert Global Water Research Spliced Benchmark | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Calvert Global Water Research Spliced Benchmark | ||
| Average Annual Return, Percent | 33.10% | 11.91% | 10.24% |
| EATON VANCE Index: Calvert Global Water Research Spliced Benchmark | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Calvert Global Water Research Spliced Benchmark | ||
| Average Annual Return, Percent | 33.10% | 11.91% | 10.24% |
| EATON VANCE Index: ICE BofA FI ESG Indices - ICE USD Green Bond Index TR USD | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | ICE BofA USD Green Bond Index | ||
| Average Annual Return, Percent | 11.83% | 1% | 2.17% |
| EATON VANCE Index: ICE BofA FI ESG Indices - ICE USD Green Bond Index TR USD | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | ICE BofA USD Green Bond Index | ||
| Average Annual Return, Percent | 11.83% | 1% | 2.17% |
| EATON VANCE Index: ICE BofA FI ESG Indices - ICE USD Green Bond Index TR USD | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | ICE BofA USD Green Bond Index | ||
| Average Annual Return, Percent | 11.83% | 1% | 2.17% |
| EATON VANCE Index: Russell 2000 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | ®</sup> Index" id="sjs-B178">Russell 2000<sup style="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;">®</sup> Index | ||
| Average Annual Return, Percent | 26.76% | 9.38% | 8.78% |
| EATON VANCE Index: Russell 2000 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | ®</sup> Index" id="sjs-B182">Russell 2000<sup style="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;">®</sup> Index | ||
| Average Annual Return, Percent | 26.76% | 9.38% | 8.78% |
| EATON VANCE Index: Russell 2000 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | ®</sup> Index" id="sjs-B186">Russell 2000<sup style="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;">®</sup> Index | ||
| Average Annual Return, Percent | 26.76% | 9.38% | 8.78% |
| EATON VANCE Index: Russell 2000 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | ®</sup> Index" id="sjs-B190">Russell 2000<sup style="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;">®</sup> Index | ||
| Average Annual Return, Percent | 26.76% | 9.38% | 8.78% |
| Shareholder Report, Holdings (Details) | Sep. 30, 2024 |
| C000047593 | FR_88160R101 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.90% |
| C000047593 | FR_62914V106 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.80% |
| C000047593 | FR_BYT16L900 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.80% |
| C000047593 | FR_079087003 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.80% |
| C000047593 | FR_410359905 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.80% |
| C000047593 | FR_G16258108 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.80% |
| C000047593 | FR_98422D105 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.70% |
| C000047593 | FR_11284V105 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.70% |
| C000047593 | FR_B39GNW904 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.70% |
| C000047593 | FR_572797900 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.70% |
| C000047593 | South Korea | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.30% |
| C000047593 | Taiwan | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.60% |
| C000047593 | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.90% |
| C000047593 | Spain | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.80% |
| C000047593 | France | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.90% |
| C000047593 | Japan | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.90% |
| C000047593 | China | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.30% |
| C000047593 | Canada | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.40% |
| C000047593 | Germany | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.90% |
| C000047593 | United States | |
| Holdings [Line Items] | |
| Percent of Total Investments | 33.60% |
| C000047595 | FR_88160R101 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.90% |
| C000047595 | FR_62914V106 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.80% |
| C000047595 | FR_BYT16L900 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.80% |
| C000047595 | FR_079087003 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.80% |
| C000047595 | FR_410359905 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.80% |
| C000047595 | FR_G16258108 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.80% |
| C000047595 | FR_98422D105 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.70% |
| C000047595 | FR_11284V105 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.70% |
| C000047595 | FR_B39GNW904 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.70% |
| C000047595 | FR_572797900 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.70% |
| C000047595 | South Korea | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.30% |
| C000047595 | Taiwan | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.60% |
| C000047595 | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.90% |
| C000047595 | Spain | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.80% |
| C000047595 | France | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.90% |
| C000047595 | Japan | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.90% |
| C000047595 | China | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.30% |
| C000047595 | Canada | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.40% |
| C000047595 | Germany | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.90% |
| C000047595 | United States | |
| Holdings [Line Items] | |
| Percent of Total Investments | 33.60% |
| C000047596 | FR_88160R101 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.90% |
| C000047596 | FR_62914V106 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.80% |
| C000047596 | FR_BYT16L900 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.80% |
| C000047596 | FR_079087003 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.80% |
| C000047596 | FR_410359905 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.80% |
| C000047596 | FR_G16258108 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.80% |
| C000047596 | FR_98422D105 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.70% |
| C000047596 | FR_11284V105 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.70% |
| C000047596 | FR_B39GNW904 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.70% |
| C000047596 | FR_572797900 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.70% |
| C000047596 | South Korea | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.30% |
| C000047596 | Taiwan | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.60% |
| C000047596 | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.90% |
| C000047596 | Spain | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.80% |
| C000047596 | France | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.90% |
| C000047596 | Japan | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.90% |
| C000047596 | China | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.30% |
| C000047596 | Canada | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.40% |
| C000047596 | Germany | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.90% |
| C000047596 | United States | |
| Holdings [Line Items] | |
| Percent of Total Investments | 33.60% |
| C000070983 | FR_278865100 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.80% |
| C000070983 | FR_G7S00T104 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.70% |
| C000070983 | FR_98419M100 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.70% |
| C000070983 | FR_030420103 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.70% |
| C000070983 | FR_92338C103 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.60% |
| C000070983 | FR_403187909 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.60% |
| C000070983 | FR_88162G103 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.50% |
| C000070983 | FR_98983L108 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.50% |
| C000070983 | FR_B39J2M903 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.50% |
| C000070983 | FR_B1FH8J905 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.50% |
| C000070983 | South Korea | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.90% |
| C000070983 | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Total Investments | 7.80% |
| C000070983 | France | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.30% |
| C000070983 | Japan | |
| Holdings [Line Items] | |
| Percent of Total Investments | 7.80% |
| C000070983 | China | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.10% |
| C000070983 | United States | |
| Holdings [Line Items] | |
| Percent of Total Investments | 48.70% |
| C000070983 | Italy | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2% |
| C000070983 | Australia | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.30% |
| C000070983 | Brazil | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.70% |
| C000070983 | Switzerland | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.80% |
| C000070984 | FR_278865100 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.80% |
| C000070984 | FR_G7S00T104 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.70% |
| C000070984 | FR_98419M100 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.70% |
| C000070984 | FR_030420103 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.70% |
| C000070984 | FR_92338C103 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.60% |
| C000070984 | FR_403187909 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.60% |
| C000070984 | FR_88162G103 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.50% |
| C000070984 | FR_98983L108 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.50% |
| C000070984 | FR_B39J2M903 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.50% |
| C000070984 | FR_B1FH8J905 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.50% |
| C000070984 | South Korea | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.90% |
| C000070984 | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Total Investments | 7.80% |
| C000070984 | France | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.30% |
| C000070984 | Japan | |
| Holdings [Line Items] | |
| Percent of Total Investments | 7.80% |
| C000070984 | China | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.10% |
| C000070984 | United States | |
| Holdings [Line Items] | |
| Percent of Total Investments | 48.70% |
| C000070984 | Italy | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2% |
| C000070984 | Australia | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.30% |
| C000070984 | Brazil | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.70% |
| C000070984 | Switzerland | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.80% |
| C000139783 | FR_278865100 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.80% |
| C000139783 | FR_G7S00T104 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.70% |
| C000139783 | FR_98419M100 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.70% |
| C000139783 | FR_030420103 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.70% |
| C000139783 | FR_92338C103 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.60% |
| C000139783 | FR_403187909 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.60% |
| C000139783 | FR_88162G103 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.50% |
| C000139783 | FR_98983L108 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.50% |
| C000139783 | FR_B39J2M903 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.50% |
| C000139783 | FR_B1FH8J905 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.50% |
| C000139783 | South Korea | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.90% |
| C000139783 | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Total Investments | 7.80% |
| C000139783 | France | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.30% |
| C000139783 | Japan | |
| Holdings [Line Items] | |
| Percent of Total Investments | 7.80% |
| C000139783 | China | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.10% |
| C000139783 | United States | |
| Holdings [Line Items] | |
| Percent of Total Investments | 48.70% |
| C000139783 | Italy | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2% |
| C000139783 | Australia | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.30% |
| C000139783 | Brazil | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.70% |
| C000139783 | Switzerland | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.80% |
| C000131729 | Cash & Equivalents | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| C000131729 | Not Rated | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| C000131729 | B | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.50% |
| C000131729 | BB | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| C000131729 | BBB | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 20.10% |
| C000131729 | A | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 21.30% |
| C000131729 | AA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.80% |
| C000131729 | AAA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 44.10% |
| C000131729 | Asset Other Line | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.90% |
| C000131729 | AssetPreferred Stocks | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.20% |
| C000131729 | AssetTaxable Municipal Obligations | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.40% |
| C000131729 | AssetShort-Term Investments | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.80% |
| C000131729 | AssetCommercial Mortgage-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Total Investments | 7.50% |
| C000131729 | AssetAsset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Total Investments | 10% |
| C000131729 | AssetSovereign Government Bonds | |
| Holdings [Line Items] | |
| Percent of Total Investments | 10.60% |
| C000131729 | AssetU.S. Government Agency Mortgage-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Total Investments | 14.50% |
| C000131729 | AssetCorporate Bonds | |
| Holdings [Line Items] | |
| Percent of Total Investments | 52.10% |
| C000131731 | Cash & Equivalents | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| C000131731 | Not Rated | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| C000131731 | B | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.50% |
| C000131731 | BB | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| C000131731 | BBB | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 20.10% |
| C000131731 | A | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 21.30% |
| C000131731 | AA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.80% |
| C000131731 | AAA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 44.10% |
| C000131731 | Asset Other Line | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.90% |
| C000131731 | AssetPreferred Stocks | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.20% |
| C000131731 | AssetTaxable Municipal Obligations | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.40% |
| C000131731 | AssetShort-Term Investments | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.80% |
| C000131731 | AssetCommercial Mortgage-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Total Investments | 7.50% |
| C000131731 | AssetAsset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Total Investments | 10% |
| C000131731 | AssetSovereign Government Bonds | |
| Holdings [Line Items] | |
| Percent of Total Investments | 10.60% |
| C000131731 | AssetU.S. Government Agency Mortgage-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Total Investments | 14.50% |
| C000131731 | AssetCorporate Bonds | |
| Holdings [Line Items] | |
| Percent of Total Investments | 52.10% |
| C000211124 | Cash & Equivalents | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| C000211124 | Not Rated | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| C000211124 | B | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.50% |
| C000211124 | BB | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| C000211124 | BBB | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 20.10% |
| C000211124 | A | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 21.30% |
| C000211124 | AA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.80% |
| C000211124 | AAA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 44.10% |
| C000211124 | Asset Other Line | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.90% |
| C000211124 | AssetPreferred Stocks | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.20% |
| C000211124 | AssetTaxable Municipal Obligations | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.40% |
| C000211124 | AssetShort-Term Investments | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.80% |
| C000211124 | AssetCommercial Mortgage-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Total Investments | 7.50% |
| C000211124 | AssetAsset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Total Investments | 10% |
| C000211124 | AssetSovereign Government Bonds | |
| Holdings [Line Items] | |
| Percent of Total Investments | 10.60% |
| C000211124 | AssetU.S. Government Agency Mortgage-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Total Investments | 14.50% |
| C000211124 | AssetCorporate Bonds | |
| Holdings [Line Items] | |
| Percent of Total Investments | 52.10% |
| C000023745 | FR_038336103 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.40% |
| C000023745 | FR_29670E107 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.10% |
| C000023745 | FR_16359R103 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3% |
| C000023745 | FR_258278100 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.80% |
| C000023745 | FR_200525103 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.70% |
| C000023745 | FR_126402106 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.50% |
| C000023745 | FR_203607106 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.40% |
| C000023745 | FR_124805102 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.40% |
| C000023745 | FR_840441109 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.30% |
| C000023745 | FR_98311A105 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.30% |
| C000023745 | SectorCommunication Services | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.50% |
| C000023745 | SectorShort-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| C000023745 | SectorUtilities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| C000023745 | SectorConsumer Staples | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.60% |
| C000023745 | SectorMaterials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.10% |
| C000023745 | SectorReal Estate | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.60% |
| C000023745 | SectorInformation Technology | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.30% |
| C000023745 | SectorHealth Care | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.60% |
| C000023745 | SectorConsumer Discretionary | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.40% |
| C000023745 | SectorFinancials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 21.50% |
| C000023745 | SectorIndustrials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 23.90% |
| C000023746 | FR_038336103 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.40% |
| C000023746 | FR_29670E107 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.10% |
| C000023746 | FR_16359R103 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3% |
| C000023746 | FR_258278100 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.80% |
| C000023746 | FR_200525103 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.70% |
| C000023746 | FR_126402106 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.50% |
| C000023746 | FR_203607106 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.40% |
| C000023746 | FR_124805102 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.40% |
| C000023746 | FR_840441109 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.30% |
| C000023746 | FR_98311A105 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.30% |
| C000023746 | SectorCommunication Services | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.50% |
| C000023746 | SectorShort-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| C000023746 | SectorUtilities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| C000023746 | SectorConsumer Staples | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.60% |
| C000023746 | SectorMaterials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.10% |
| C000023746 | SectorReal Estate | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.60% |
| C000023746 | SectorInformation Technology | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.30% |
| C000023746 | SectorHealth Care | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.60% |
| C000023746 | SectorConsumer Discretionary | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.40% |
| C000023746 | SectorFinancials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 21.50% |
| C000023746 | SectorIndustrials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 23.90% |
| C000023747 | FR_038336103 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.40% |
| C000023747 | FR_29670E107 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.10% |
| C000023747 | FR_16359R103 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3% |
| C000023747 | FR_258278100 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.80% |
| C000023747 | FR_200525103 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.70% |
| C000023747 | FR_126402106 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.50% |
| C000023747 | FR_203607106 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.40% |
| C000023747 | FR_124805102 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.40% |
| C000023747 | FR_840441109 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.30% |
| C000023747 | FR_98311A105 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.30% |
| C000023747 | SectorCommunication Services | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.50% |
| C000023747 | SectorShort-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| C000023747 | SectorUtilities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| C000023747 | SectorConsumer Staples | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.60% |
| C000023747 | SectorMaterials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.10% |
| C000023747 | SectorReal Estate | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.60% |
| C000023747 | SectorInformation Technology | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.30% |
| C000023747 | SectorHealth Care | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.60% |
| C000023747 | SectorConsumer Discretionary | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.40% |
| C000023747 | SectorFinancials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 21.50% |
| C000023747 | SectorIndustrials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 23.90% |
| C000211123 | FR_038336103 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.40% |
| C000211123 | FR_29670E107 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.10% |
| C000211123 | FR_16359R103 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3% |
| C000211123 | FR_258278100 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.80% |
| C000211123 | FR_200525103 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.70% |
| C000211123 | FR_126402106 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.50% |
| C000211123 | FR_203607106 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.40% |
| C000211123 | FR_124805102 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.40% |
| C000211123 | FR_840441109 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.30% |
| C000211123 | FR_98311A105 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.30% |
| C000211123 | SectorCommunication Services | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.50% |
| C000211123 | SectorShort-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| C000211123 | SectorUtilities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| C000211123 | SectorConsumer Staples | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.60% |
| C000211123 | SectorMaterials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.10% |
| C000211123 | SectorReal Estate | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.60% |
| C000211123 | SectorInformation Technology | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.30% |
| C000211123 | SectorHealth Care | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.60% |
| C000211123 | SectorConsumer Discretionary | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.40% |
| C000211123 | SectorFinancials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 21.50% |
| C000211123 | SectorIndustrials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 23.90% |
