Shareholder Report |
6 Months Ended | |||||||||||||||||||||
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Jun. 30, 2026
USD ($)
Holding
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| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Document Type | N-CSRS | |||||||||||||||||||||
| Amendment Flag | false | |||||||||||||||||||||
| Registrant Name | Morgan Stanley Variable Insurance Fund, Inc. | |||||||||||||||||||||
| Entity Central Index Key | 0001011378 | |||||||||||||||||||||
| Entity Investment Company Type | N-1A | |||||||||||||||||||||
| Document Period End Date | Jun. 30, 2026 | |||||||||||||||||||||
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report | |||||||||||||||||||||
| C000011741 | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Morgan Stanley Variable Insurance Fund, Inc. - Discovery Portfolio | |||||||||||||||||||||
| Class Name | Class I | |||||||||||||||||||||
| Trading Symbol | MMGPX | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Morgan Stanley Variable Insurance Fund, Inc. - Discovery Portfolio for the period of January 1, 2026 to June 30, 2026. | |||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the Fund at www.morganstanley.com/im/shareholderreports. You can also request this information by contacting us at 1-800-869-6397. | |||||||||||||||||||||
| Additional Information Phone Number | 1-800-869-6397 | |||||||||||||||||||||
| Additional Information Website | <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; text-align-last: auto; white-space-collapse: preserve-breaks;">www.morganstanley.com/im/shareholderreports</span> | |||||||||||||||||||||
| Expenses [Text Block] | What were the Fund costs for the last six months1?(based on a hypothetical $10,000 investment) |
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| Expenses Paid, Amount | $ 47 | |||||||||||||||||||||
| Expense Ratio, Percent | 0.94% | [1] | ||||||||||||||||||||
| AssetsNet | $ 191,165,379 | |||||||||||||||||||||
| Holdings Count | Holding | 39 | |||||||||||||||||||||
| InvestmentCompanyPortfolioTurnover | 33.00% | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Key Fund Statistics |
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| Holdings [Text Block] | Sector Allocation (% of total investments)![]() |
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| Largest Holdings [Text Block] | Top Ten Holdings (% of total investments)a |
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| Updated Prospectus Web Address | <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; text-align-last: auto; white-space-collapse: preserve-breaks;">www.morganstanley.com/im/shareholderreports</span> | |||||||||||||||||||||
| C000011740 | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Morgan Stanley Variable Insurance Fund, Inc. - Discovery Portfolio | |||||||||||||||||||||
| Class Name | Class II | |||||||||||||||||||||
| Trading Symbol | MMGTX | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Morgan Stanley Variable Insurance Fund, Inc. - Discovery Portfolio for the period of January 1, 2026 to June 30, 2026. | |||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the Fund at www.morganstanley.com/im/shareholderreports. You can also request this information by contacting us at 1-800-869-6397. | |||||||||||||||||||||
| Additional Information Phone Number | 1-800-869-6397 | |||||||||||||||||||||
| Additional Information Website | <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; text-align-last: auto; white-space-collapse: preserve-breaks;">www.morganstanley.com/im/shareholderreports</span> | |||||||||||||||||||||
| Expenses [Text Block] | What were the Fund costs for the last six months1?(based on a hypothetical $10,000 investment) |
|||||||||||||||||||||
| Expenses Paid, Amount | $ 52 | |||||||||||||||||||||
| Expense Ratio, Percent | 1.04% | [2] | ||||||||||||||||||||
| AssetsNet | $ 191,165,379 | |||||||||||||||||||||
| Holdings Count | Holding | 39 | |||||||||||||||||||||
| InvestmentCompanyPortfolioTurnover | 33.00% | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Key Fund Statistics |
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| Holdings [Text Block] | Sector Allocation (% of total investments)![]() |
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| Largest Holdings [Text Block] | Top Ten Holdings (% of total investments)a |
|||||||||||||||||||||
| Updated Prospectus Web Address | <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; text-align-last: auto; white-space-collapse: preserve-breaks;">www.morganstanley.com/im/shareholderreports</span> | |||||||||||||||||||||
| C000011754 | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Morgan Stanley Variable Insurance Fund, Inc. - Emerging Markets Equity Portfolio | |||||||||||||||||||||
| Class Name | Class I | |||||||||||||||||||||
| Trading Symbol | MEMEX | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Morgan Stanley Variable Insurance Fund, Inc. - Emerging Markets Equity Portfolio for the period of January 1, 2026 to June 30, 2026. | |||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the Fund at www.morganstanley.com/im/shareholderreports. You can also request this information by contacting us at 1-800-869-6397. | |||||||||||||||||||||
| Additional Information Phone Number | 1-800-869-6397 | |||||||||||||||||||||
| Additional Information Website | <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; text-align-last: auto; white-space-collapse: preserve-breaks;">www.morganstanley.com/im/shareholderreports</span> | |||||||||||||||||||||
| Expenses [Text Block] | What were the Fund costs for the last six months1?(based on a hypothetical $10,000 investment) |
|||||||||||||||||||||
| Expenses Paid, Amount | $ 71 | |||||||||||||||||||||
| Expense Ratio, Percent | 1.23% | [3] | ||||||||||||||||||||
| AssetsNet | $ 240,082,864 | |||||||||||||||||||||
| Holdings Count | Holding | 82 | |||||||||||||||||||||
| InvestmentCompanyPortfolioTurnover | 17.00% | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Key Fund Statistics |
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| Holdings [Text Block] | Country Allocation (% of total investments)![]() |
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| Largest Holdings [Text Block] | Top Ten Holdings (% of total investments)a |
|||||||||||||||||||||
| Updated Prospectus Web Address | <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; text-align-last: auto; white-space-collapse: preserve-breaks;">www.morganstanley.com/im/shareholderreports</span> | |||||||||||||||||||||
| C000011753 | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Morgan Stanley Variable Insurance Fund, Inc. - Emerging Markets Equity Portfolio | |||||||||||||||||||||
| Class Name | Class II | |||||||||||||||||||||
| Trading Symbol | MSMBX | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Morgan Stanley Variable Insurance Fund, Inc. - Emerging Markets Equity Portfolio for the period of January 1, 2026 to June 30, 2026. | |||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the Fund at www.morganstanley.com/im/shareholderreports. You can also request this information by contacting us at 1-800-869-6397. | |||||||||||||||||||||
| Additional Information Phone Number | 1-800-869-6397 | |||||||||||||||||||||
| Additional Information Website | <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; text-align-last: auto; white-space-collapse: preserve-breaks;">www.morganstanley.com/im/shareholderreports</span> | |||||||||||||||||||||
| Expenses [Text Block] | What were the Fund costs for the last six months1?(based on a hypothetical $10,000 investment) |
|||||||||||||||||||||
| Expenses Paid, Amount | $ 73 | |||||||||||||||||||||
| Expense Ratio, Percent | 1.28% | [4] | ||||||||||||||||||||
| AssetsNet | $ 240,082,864 | |||||||||||||||||||||
| Holdings Count | Holding | 82 | |||||||||||||||||||||
| InvestmentCompanyPortfolioTurnover | 17.00% | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Key Fund Statistics |
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| Holdings [Text Block] | Country Allocation (% of total investments)![]() |
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| Largest Holdings [Text Block] | Top Ten Holdings (% of total investments)a |
|||||||||||||||||||||
| Updated Prospectus Web Address | <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; text-align-last: auto; white-space-collapse: preserve-breaks;">www.morganstanley.com/im/shareholderreports</span> | |||||||||||||||||||||
| C000011764 | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Morgan Stanley Variable Insurance Fund, Inc. - Global Strategist Portfolio | |||||||||||||||||||||
| Class Name | Class I | |||||||||||||||||||||
| Trading Symbol | MIMPX | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Morgan Stanley Variable Insurance Fund, Inc. - Global Strategist Portfolio for the period of January 1, 2026 to June 30, 2026. | |||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the Fund at www.morganstanley.com/im/shareholderreports. You can also request this information by contacting us at 1-800-869-6397. | |||||||||||||||||||||
| Additional Information Phone Number | 1-800-869-6397 | |||||||||||||||||||||
| Additional Information Website | <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; text-align-last: auto; white-space-collapse: preserve-breaks;">www.morganstanley.com/im/shareholderreports</span> | |||||||||||||||||||||
| Expenses [Text Block] | What were the Fund costs for the last six months1?(based on a hypothetical $10,000 investment) |
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| Expenses Paid, Amount | $ 46 | |||||||||||||||||||||
| Expense Ratio, Percent | 0.89% | [5] | ||||||||||||||||||||
| AssetsNet | $ 82,387,014 | |||||||||||||||||||||
| Holdings Count | Holding | 1,398 | |||||||||||||||||||||
| InvestmentCompanyPortfolioTurnover | 29.00% | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Key Fund Statistics |
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| Holdings [Text Block] | Geographic Allocation (% of total investments)![]() |
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| Credit Quality Explanation [Text Block] | Asset Allocation (% of total investments)![]() |
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| Material Fund Change [Text Block] | ||||||||||||||||||||||
| Updated Prospectus Web Address | <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; text-align-last: auto; white-space-collapse: preserve-breaks;">www.morganstanley.com/im/shareholderreports</span> | |||||||||||||||||||||
| C000097939 | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Morgan Stanley Variable Insurance Fund, Inc. - Global Strategist Portfolio | |||||||||||||||||||||
| Class Name | Class II | |||||||||||||||||||||
| Trading Symbol | MGTPX | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Morgan Stanley Variable Insurance Fund, Inc. - Global Strategist Portfolio for the period of January 1, 2026 to June 30, 2026. | |||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the Fund at www.morganstanley.com/im/shareholderreports. You can also request this information by contacting us at 1-800-869-6397. | |||||||||||||||||||||
| Additional Information Phone Number | 1-800-869-6397 | |||||||||||||||||||||
| Additional Information Website | <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; text-align-last: auto; white-space-collapse: preserve-breaks;">www.morganstanley.com/im/shareholderreports</span> | |||||||||||||||||||||
| Expenses [Text Block] | What were the Fund costs for the last six months1?(based on a hypothetical $10,000 investment) |
|||||||||||||||||||||
| Expenses Paid, Amount | $ 51 | |||||||||||||||||||||
| Expense Ratio, Percent | 0.99% | [6] | ||||||||||||||||||||
| AssetsNet | $ 82,387,014 | |||||||||||||||||||||
| Holdings Count | Holding | 1,398 | |||||||||||||||||||||
| InvestmentCompanyPortfolioTurnover | 29.00% | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Key Fund Statistics |
|||||||||||||||||||||
| Holdings [Text Block] | Geographic Allocation (% of total investments)![]() |
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| Credit Quality Explanation [Text Block] | Asset Allocation (% of total investments)![]() |
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| Material Fund Change [Text Block] | ||||||||||||||||||||||
| Updated Prospectus Web Address | <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; text-align-last: auto; white-space-collapse: preserve-breaks;">www.morganstanley.com/im/shareholderreports</span> | |||||||||||||||||||||
| C000011757 | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Morgan Stanley Variable Insurance Fund, Inc. - Growth Portfolio | |||||||||||||||||||||
| Class Name | Class I | |||||||||||||||||||||
| Trading Symbol | MEGIX | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Morgan Stanley Variable Insurance Fund, Inc. - Growth Portfolio for the period of January 1, 2026 to June 30, 2026. | |||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the Fund at www.morganstanley.com/im/shareholderreports. You can also request this information by contacting us at 1-800-869-6397. | |||||||||||||||||||||
| Additional Information Phone Number | 1-800-869-6397 | |||||||||||||||||||||
| Additional Information Website | <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; text-align-last: auto; white-space-collapse: preserve-breaks;">www.morganstanley.com/im/shareholderreports</span> | |||||||||||||||||||||
| Expenses [Text Block] | What were the Fund costs for the last six months1?(based on a hypothetical $10,000 investment) |
|||||||||||||||||||||
| Expenses Paid, Amount | $ 27 | |||||||||||||||||||||
| Expense Ratio, Percent | 0.56% | [7] | ||||||||||||||||||||
| AssetsNet | $ 569,656,420 | |||||||||||||||||||||
| Holdings Count | Holding | 28 | |||||||||||||||||||||
| InvestmentCompanyPortfolioTurnover | 17.00% | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Key Fund Statistics |
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| Holdings [Text Block] | Sector Allocation (% of total investments)![]() |
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| Largest Holdings [Text Block] | Top Ten Holdings (% of total investments)a |
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| Updated Prospectus Web Address | <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; text-align-last: auto; white-space-collapse: preserve-breaks;">www.morganstanley.com/im/shareholderreports</span> | |||||||||||||||||||||
| C000011758 | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Morgan Stanley Variable Insurance Fund, Inc. - Growth Portfolio | |||||||||||||||||||||
| Class Name | Class II | |||||||||||||||||||||
| Trading Symbol | MEGTX | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Morgan Stanley Variable Insurance Fund, Inc. - Growth Portfolio for the period of January 1, 2026 to June 30, 2026. | |||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the Fund at www.morganstanley.com/im/shareholderreports. You can also request this information by contacting us at 1-800-869-6397. | |||||||||||||||||||||
| Additional Information Phone Number | 1-800-869-6397 | |||||||||||||||||||||
| Additional Information Website | <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; text-align-last: auto; white-space-collapse: preserve-breaks;">www.morganstanley.com/im/shareholderreports</span> | |||||||||||||||||||||
| Expenses [Text Block] | What were the Fund costs for the last six months1?(based on a hypothetical $10,000 investment) |
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| Expenses Paid, Amount | $ 40 | |||||||||||||||||||||
| Expense Ratio, Percent | 0.81% | [8] | ||||||||||||||||||||
| AssetsNet | $ 569,656,420 | |||||||||||||||||||||
| Holdings Count | Holding | 28 | |||||||||||||||||||||
| InvestmentCompanyPortfolioTurnover | 17.00% | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Key Fund Statistics |
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| Holdings [Text Block] | Sector Allocation (% of total investments)![]() |
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| Largest Holdings [Text Block] | Top Ten Holdings (% of total investments)a |
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| Updated Prospectus Web Address | <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; text-align-last: auto; white-space-collapse: preserve-breaks;">www.morganstanley.com/im/shareholderreports</span> | |||||||||||||||||||||
| C000011752 | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Morgan Stanley Variable Insurance Fund, Inc. - Emerging Markets Debt Portfolio | |||||||||||||||||||||
| Class Name | Class I | |||||||||||||||||||||
| Trading Symbol | MEMNX | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Morgan Stanley Variable Insurance Fund, Inc. - Emerging Markets Debt Portfolio for the period of January 1, 2026 to June 30, 2026. | |||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the Fund at www.morganstanley.com/im/shareholderreports. You can also request this information by contacting us at 1-800-869-6397. | |||||||||||||||||||||
| Additional Information Phone Number | 1-800-869-6397 | |||||||||||||||||||||
| Additional Information Website | <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; text-align-last: auto; white-space-collapse: preserve-breaks;">www.morganstanley.com/im/shareholderreports</span> | |||||||||||||||||||||
| Expenses [Text Block] | What were the Fund costs for the last six months1?(based on a hypothetical $10,000 investment) |
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| Expenses Paid, Amount | $ 55 | |||||||||||||||||||||
| Expense Ratio, Percent | 1.09% | [9] | ||||||||||||||||||||
| AssetsNet | $ 116,640,862 | |||||||||||||||||||||
| Holdings Count | Holding | 309 | |||||||||||||||||||||
| InvestmentCompanyPortfolioTurnover | 52.00% | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Key Fund Statistics |
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| Holdings [Text Block] | Credit Quality (% of net assets)*![]() |
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| Credit Quality Explanation [Text Block] | Asset Allocation (% of total investments)![]() |
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| Material Fund Change [Text Block] | ||||||||||||||||||||||
| Updated Prospectus Web Address | <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; text-align-last: auto; white-space-collapse: preserve-breaks;">www.morganstanley.com/im/shareholderreports</span> | |||||||||||||||||||||
| C000011751 | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Morgan Stanley Variable Insurance Fund, Inc. - Emerging Markets Debt Portfolio | |||||||||||||||||||||
| Class Name | Class II | |||||||||||||||||||||
| Trading Symbol | MBDBX | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Morgan Stanley Variable Insurance Fund, Inc. - Emerging Markets Debt Portfolio for the period of January 1, 2026 to June 30, 2026. | |||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the Fund at www.morganstanley.com/im/shareholderreports. You can also request this information by contacting us at 1-800-869-6397. | |||||||||||||||||||||
| Additional Information Phone Number | 1-800-869-6397 | |||||||||||||||||||||
| Additional Information Website | <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; text-align-last: auto; white-space-collapse: preserve-breaks;">www.morganstanley.com/im/shareholderreports</span> | |||||||||||||||||||||
| Expenses [Text Block] | What were the Fund costs for the last six months1?(based on a hypothetical $10,000 investment) |
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| Expenses Paid, Amount | $ 58 | |||||||||||||||||||||
| Expense Ratio, Percent | 1.14% | [10] | ||||||||||||||||||||
| AssetsNet | $ 116,640,862 | |||||||||||||||||||||
| Holdings Count | Holding | 309 | |||||||||||||||||||||
| InvestmentCompanyPortfolioTurnover | 52.00% | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Key Fund Statistics |
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| Holdings [Text Block] | Credit Quality (% of net assets)*![]() |
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| Credit Quality Explanation [Text Block] | Asset Allocation (% of total investments)![]() |
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| Material Fund Change [Text Block] | ||||||||||||||||||||||
| Updated Prospectus Web Address | <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; text-align-last: auto; white-space-collapse: preserve-breaks;">www.morganstanley.com/im/shareholderreports</span> | |||||||||||||||||||||
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