Investment Strategy |
Dec. 31, 2025 |
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| Columbia Variable Portfolio - Commodity Strategy Fund | |
| Prospectus [Line Items] | |
| Strategy [Heading] | Principal Investment Strategies |
| Strategy Narrative [Text Block] | Under normal circumstances, the Fund seeks to maintain substantial economic exposure to the performance of the commodities markets. The Fund invests, directly or indirectly, in a portfolio of commodity-linked investments, such as commodity-linked futures, structured notes and/or swaps, that are designed to provide long and short exposures to the investment return of assets that trade in the commodities markets, without investing directly in physical commodities. A substantial portion of the Fund’s net assets will also be invested in a portfolio of fixed income securities rated investment-grade or, if unrated, deemed of comparable quality, which will consist primarily of: (i) U.S. Government securities (including U.S. Government agency securities), corporate debt securities, mortgage-backed securities and/or asset-backed securities; and/or (ii) shares of an affiliated money market fund. In addition to investing in these holdings for their income-producing potential, these holdings will be designated by the Fund, as necessary, to serve as collateral with respect to the Fund’s commodity-linked investments. The Fund primarily expects to gain exposure to the commodities markets by investing up to 25% of its total assets in a wholly-owned subsidiary of the Fund organized as a company under the laws of the Cayman Islands (the Subsidiary). The Subsidiary’s commodity-linked investments are expected to produce leveraged exposure to the performance of the commodities markets. It is expected that the gross notional value of the Fund’s (including the Subsidiary’s) commodity-linked investments will be equivalent to at least 90% of the Fund’s net assets. Like the Fund, the Subsidiary will not invest directly in physical commodities. The Subsidiary also invests in investment-grade fixed income securities and shares of an affiliated money market fund for investment purposes or to serve as collateral for its commodity-linked investments. The Fund’s investment in the Subsidiary permits it to gain exposure to the commodities markets in a potentially tax-efficient manner. The Subsidiary has the same investment objective as the Fund and, like the Fund, is managed by Columbia Management Investment Advisers, LLC (Columbia Management or the Investment Manager). The Fund may invest in derivatives, including futures contracts (including commodity-linked futures and interest rate futures), options contracts (including options on futures contracts), structured investments (including commodity-linked structured notes) and swaps (including commodity-linked swaps) to increase, modify, reduce or short commodity market positions or exposures. Actual exposures will vary over time based on factors such as market movements and assessments of market conditions by the Fund's portfolio managers. The Fund may engage in derivative transactions on both U.S. and foreign exchanges or in the "over-the-counter" (OTC) market. The Fund may at times emphasize one or more sectors in selecting its investments, including the agricultural, energy and precious metals sectors. The Fund may invest in privately placed and other securities or instruments that are purchased and sold pursuant to Rule 144A or other exemptions under the Securities Act of 1933, as amended, subject to certain regulatory restrictions. In constructing the Fund’s fixed-income portfolio, the Investment Manager seeks to identify a portfolio of investment-grade fixed income securities, generally with a dollar-weighted average portfolio duration of 1 year or less. The Fund’s investment strategy may involve the frequent trading of portfolio securities. Additionally, the Fund’s strategy of investing in derivative instruments and instruments with a maturity of one year or less at the time of acquisition, will also contribute to frequent portfolio trading and high portfolio turnover (typically greater than 300% per year).
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| Columbia Variable Portfolio - Corporate Bond Fund | |
| Prospectus [Line Items] | |
| Strategy [Heading] | Principal Investment Strategies |
| Strategy Narrative [Text Block] | Under normal circumstances, the Fund invests at least 80% of its net assets (plus the amount of any borrowings for investment purposes) in corporate bonds. Corporate bonds are debt instruments or securities issued by corporations or other non-government entities. The Fund expects to invest primarily in investment grade securities. The Fund may invest up to 15% of its total assets in debt instruments that, at the time of purchase, are rated below investment grade or are unrated but determined to be of comparable quality (commonly referred to as “high-yield” investments or “junk” bonds). Under normal circumstances, the Fund’s average effective duration will be between three and ten years. The Fund may purchase or sell securities on a when-issued, delayed delivery or forward commitment basis. The Fund may invest in privately placed and other securities or instruments that are purchased and sold pursuant to Rule 144A or other exemptions under the Securities Act of 1933, as amended, subject to certain regulatory restrictions. The Fund may invest in U.S. Government obligations, asset-backed securities and mortgage-backed securities. The Fund may at times emphasize one or more sectors in selecting its investments, including the financials sector.
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| Columbia Variable Portfolio - Emerging Markets Bond Fund | |
| Prospectus [Line Items] | |
| Strategy [Heading] | Principal Investment Strategies |
| Strategy Narrative [Text Block] | The Fund invests primarily in fixed income securities of emerging markets issuers. For these purposes, emerging market countries are generally those either defined by World Bank-defined per capita income brackets or determined to be an emerging market based on the Fund investment team’s qualitative judgments about a country’s level of economic and institutional development, among other factors. Under normal circumstances, at least 80% of the Fund’s net assets (plus the amount of any borrowings for investment purposes) will be invested in fixed income securities of issuers that are located in emerging markets countries, or that earn 50% or more of their total revenues from goods or services produced in emerging markets countries or from sales made in emerging markets countries. Fixed income securities may be denominated in either U.S. dollars or the local currency of the issuer. While the Fund may invest 25% or more of its total assets in the securities of foreign governmental and corporate entities located in the same country, it will not invest 25% or more of its total assets in any single issuer. From time to time, the Fund may focus its investments in certain countries or geographic areas, including the Latin America region along with the Middle East and North Africa region. The Fund can invest in emerging market sovereign debt instruments of any credit quality, including those rated investment grade and below investment grade or considered to be of comparable quality (commonly referred to as “high yield” investments or “junk bonds”). Although the emerging markets sovereign debt universe largely consists of investment grade instruments, a significant portion of that universe is rated in these lower rating categories. The Fund may invest up to 100% of its assets in debt securities that are rated below investment grade or, if unrated, determined to be of comparable quality. The Fund may invest in debt instruments of any maturity and does not seek to maintain a particular dollar-weighted average maturity. The Fund may invest in derivatives, such as forward contracts (including forward foreign currency contracts), futures (including interest rate futures), and swaps (including credit default swaps and credit default swap indexes) for hedging and investment purposes. The Fund may invest in privately placed and other securities or instruments that are purchased and sold pursuant to Rule 144A or other exemptions under the Securities Act of 1933, as amended, subject to certain regulatory restrictions. The Fund also invests in money market instruments (which may include investments in one or more affiliated or unaffiliated money market funds or similar vehicles). The Fund is non-diversified, which means that it can invest a greater percentage of its assets in the securities of fewer issuers than can a diversified fund.
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| Columbia Variable Portfolio - High Yield Bond Fund | |
| Prospectus [Line Items] | |
| Strategy [Heading] | Principal Investment Strategies |
| Strategy Narrative [Text Block] | Under normal circumstances, the Fund invests at least 80% of its net assets (plus the amount of any borrowings for investment purposes) in high-yield debt instruments (commonly referred to as “junk” bonds or securities). These high yield debt instruments include corporate debt securities as well as floating rate loans rated below investment grade by nationally recognized statistical rating organizations, or if unrated, determined to be of comparable quality. The Fund may invest up to 25% of its net assets in debt instruments of foreign issuers. Corporate debt instruments in which the Fund invests are typically unsecured, with a fixed-rate of interest, and are usually issued by companies or similar entities to provide financing for their operations, or other activities. The Fund may invest in debt instruments of any maturity and does not seek to maintain a particular dollar-weighted average maturity. Because the Fund emphasizes high-yield investments, more emphasis is put on credit risk by the portfolio managers in selecting investments than either maturity or duration. The Fund may invest in privately placed and other securities or instruments that are purchased and sold pursuant to Rule 144A or other exemptions under the Securities Act of 1933, as amended, subject to certain regulatory restrictions.
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| Columbia Variable Portfolio - Large Cap Index Fund | |
| Prospectus [Line Items] | |
| Strategy [Heading] | Principal Investment Strategies |
| Strategy Narrative [Text Block] | Under normal circumstances, the Fund invests at least 80% of its net assets (plus the amount of any borrowings for investment purposes) in common stocks that comprise the Standard & Poor's (S&P) 500® Index (the Index). The Fund may invest in derivatives, such as futures (including equity index futures), for cash equitization purposes. Different common stocks have different weightings in the Index, depending on the amount of stock outstanding and the stock’s current price. In seeking to match the performance of the Index, Columbia Management Investment Advisers, LLC (the Investment Manager) attempts to allocate the Fund’s assets among common stocks in approximately the same weightings as the Index. This is referred to as a passive or indexing approach to investing. As a result of the Fund’s indexing approach to investing, the Fund will typically emphasize within the portfolio those economic sectors emphasized by the Index, such as the information technology sector. The Fund may buy shares of Ameriprise Financial, Inc., an affiliate of the Investment Manager, which is currently included in the Index, subject to certain restrictions. The Fund may operate as non-diversified when the Index is non-diversified. A non-diversified fund can invest a greater percentage of its assets in the securities of fewer issuers than can a diversified fund.
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| Columbia Variable Portfolio - Select Mid Cap Growth Fund | |
| Prospectus [Line Items] | |
| Strategy [Heading] | Principal Investment Strategies |
| Strategy Narrative [Text Block] | Under normal circumstances, the Fund invests at least 80% of its net assets (plus the amount of any borrowings for investment purposes) in the common stocks of mid-capitalization companies. These companies have market capitalizations in the range of companies in the Russell Midcap® Index (the Capitalization Index), which ranged between $134.5 million and $116.7 billion as of March 31, 2026. The market capitalization range and composition of companies in the Capitalization Index are subject to change. As such, the size of the companies in which the Fund invests may change. The Fund may continue to hold a security even if the company’s market capitalization is no longer within the range of the Capitalization Index. Under normal circumstances, the Fund also invests at least 80% of its net assets (plus the amount of any borrowings for investment purposes) in equity securities of “growth” companies. The Fund considers “growth” companies to be those companies that are either constituents of an index constructed by a third party to identify companies with various characteristics of growth companies, have a higher Institutional Brokers' Estimate System (I/B/E/S) medium-term growth forecast (two year) than the median ranked stock within the company’s GICS sector, or have a higher sales per share historical growth rate (five year) than the median ranked stock within the company’s GICS sector. The third-party broad-based index currently used to identify growth companies is the Russell 3000® Growth Index, although the Fund may change this index without prior notice. The I/B/E/S is a database used by brokers and investors to access the estimates made by stock analysts regarding the future earnings of publicly traded American companies. The I/B/E/S medium term growth forecast is a measure of the average annualized EPS (earnings per share) growth forecast of contributing analysts/estimators for the forthcoming two years. The Fund may at times emphasize one or more sectors in selecting its investments, including the industrials sector. The Fund may invest up to 20% of its total assets in foreign securities. The Fund may invest directly in foreign securities or indirectly through depositary receipts. The Fund may invest in special situations, such as companies involved in initial public offerings, tender offers, mergers and other corporate restructurings, and in companies involved in management changes or companies developing new technologies. The Fund typically employs a focused portfolio investing style, which results in fewer holdings than a fund that seeks to achieve its investment objective by investing in a greater number of issuers. The Fund’s investment strategy may involve the frequent trading of portfolio securities.
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| Columbia Variable Portfolio - Select Mid Cap Value Fund | |
| Prospectus [Line Items] | |
| Strategy [Heading] | Principal Investment Strategies |
| Strategy Narrative [Text Block] | Under normal circumstances, the Fund invests at least 80% of its net assets (plus the amount of any borrowings for investment purposes) in equity securities of medium-sized companies. Medium-sized companies are those whose market capitalizations fall within the market capitalization range of the Russell Midcap® Value Index (the Capitalization Index), which ranged between $134.5 million and $116.7 billion as of March 31, 2026. The market capitalization range and composition of companies in the Capitalization Index are subject to change. As such, the size of the companies in which the Fund invests may change. The Fund may continue to hold a security even if the company’s market capitalization is no longer within the range of the Capitalization Index. Under normal circumstances, the Fund also invests at least 80% of its net assets (plus the amount of any borrowings for investment purposes) in equity securities of “value” companies. The Fund considers “value” companies to be those companies that are either constituents of an index constructed by a third party to identify companies with various characteristics of value companies, or that have a higher book-to-price (B/P) ratio than the median ranked stock within the company’s GICS sector, have a higher EBITDA/EV (earnings before interest, taxes, depreciation and amortization-to-enterprise value) or have a lower price-to-earnings ratio than the median ranked stock within the company’s GICS sector. The third-party broad-based index currently used to identify value companies is the Russell 3000® Value Index, although the Fund may change the referenced index without prior notice. The Fund may invest up to 25% of its net assets in foreign investments. The Fund normally invests in common stocks and also may invest in real estate investment trusts. The Fund may at times emphasize one or more sectors in selecting its investments, including the financials sector. The Fund may hold a small number of securities, consistent with its value investment approach. Generally, the Fund anticipates holding between 30 and 50 securities in its portfolio; however, the Fund may hold, at any time, more or fewer securities than noted in this range.
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| Columbia Variable Portfolio - Limited Duration Credit Fund | |
| Prospectus [Line Items] | |
| Strategy [Heading] | Principal Investment Strategies |
| Strategy Narrative [Text Block] | Under normal circumstances, the Fund invests at least 80% of its net assets (plus the amount of any borrowings for investment purposes) in corporate bonds. The Fund primarily invests in debt securities with short- and intermediate-term maturities generally similar to those included in the Fund’s benchmark index, the Bloomberg U.S. 1-5 Year Corporate Index (the Index). The Fund may invest up to 15% of its net assets in debt instruments that, at the time of purchase, are rated below investment grade or are unrated but determined to be of comparable quality (commonly referred to as “high-yield” investments or “junk” bonds). The Fund’s duration is managed to help reduce volatility associated with changes in interest rates. Under normal circumstances, the Fund will target duration to be similar to or lower than that of the Index, but will not exceed that of the Index by more than one year. As of March 31, 2026, the duration of the Index was 2.71 years. The Fund may invest in privately placed and other securities or instruments that are purchased and sold pursuant to Rule 144A or other exemptions under the Securities Act of 1933, as amended, subject to certain regulatory restrictions. The Fund may invest up to 25% of its net assets in foreign investments.
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| CTIVP - CenterSquare Real Estate Fund | |
| Prospectus [Line Items] | |
| Strategy [Heading] | Principal Investment Strategies |
| Strategy Narrative [Text Block] | Under normal circumstances, the Fund invests at least 80% of its net assets (plus the amount of any borrowings for investment purposes) in equity and equity-related securities issued by companies in the real estate industry. A company is considered to be in the real estate industry if it (i) derives at least 50% of its revenues or profits from the ownership, construction, management, financing or sale of residential, commercial or industrial real estate or (ii) has at least 50% of the fair market value of its assets invested in residential, commercial or industrial real estate. Companies in the real estate industry include, among others, real estate operating companies (REOCs) and real estate investment trusts (REITs). The Fund may invest in companies that have market capitalizations of any size.
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| CTIVP - Victory Sycamore Established Value Fund | |
| Prospectus [Line Items] | |
| Strategy [Heading] | Principal Investment Strategies |
| Strategy Narrative [Text Block] | Under normal circumstances, the Fund invests at least 80% of its net assets (plus the amount of any borrowings for investment purposes) in equity securities of mid-capitalization companies. For these purposes, the Fund considers mid-cap companies to be those whose market capitalization falls within the range of the Russell Midcap® Value Index (the Capitalization Index). The market capitalization range of the companies included within the Capitalization Index was $134.5 million to $116.7 billion as of March 31, 2026. The market capitalization range and composition of companies in the Capitalization Index are subject to change. As such, the size of the companies in which the Fund invests may change. The Fund may continue to hold a security even if the company’s market capitalization is no longer within the range of the Capitalization Index. Under normal circumstances, the Fund also invests at least 80% of its net assets (plus the amount of any borrowings for investment purposes) in equity securities of “value” companies. The Fund considers “value” companies to be those companies that are either constituents of an index constructed by a third party to identify companies with various characteristics of value companies, or that have a higher book-to-price (B/P) ratio than the median ranked stock within the company’s GICS sector, have a higher EBITDA/EV (earnings before interest, taxes, depreciation and amortization-to-enterprise value) or have a lower price-to-earnings ratio than the median ranked stock within the company’s GICS sector. The third-party broad-based index currently used to identify value companies is the Russell 3000® Value Index, although the Fund may change the referenced index without prior notice. The Fund may invest in depositary receipts. As a result of the bottom-up stock selection process, Victory Capital Management Inc. from time to time may find more compelling investment opportunities in certain economic sectors, such as the industrials sector.
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| CTIVP - Westfield Mid Cap Growth Fund | |
| Prospectus [Line Items] | |
| Strategy [Heading] | Principal Investment Strategies |
| Strategy Narrative [Text Block] | Under normal circumstances, the Fund invests at least 80% of its net assets (plus the amount of any borrowings for investment purposes) in equity securities of mid-capitalization companies. The Fund defines mid-capitalization companies as those companies with a market capitalization that falls within the range of the companies that comprise the Russell Midcap® Growth Index (the Capitalization Index). The market capitalization range of the companies included within the Capitalization Index was $134.5 million to $95.9 billion as of March 31, 2026. The market capitalization range and composition of companies in the Capitalization Index are subject to change. As such, the size of the companies in which the Fund invests may change. The Fund may continue to hold a security even if the company’s market capitalization is no longer within the range of the Capitalization Index. Under normal circumstances, the Fund also invests at least 80% of its net assets (plus the amount of any borrowings for investment purposes) in equity securities of “growth” companies. The Fund considers “growth” companies to be those companies that are either constituents of an index constructed by a third party to identify companies with various characteristics of growth companies, have a higher Institutional Brokers' Estimate System (I/B/E/S) medium-term growth forecast (two year) than the median ranked stock within the company’s GICS sector, or have a higher sales per share historical growth rate (five year) than the median ranked stock within the company’s GICS sector. The third-party broad-based index currently used to identify growth companies is the Russell 3000® Growth Index, although the Fund may change this index without prior notice. The I/B/E/S is a database used by brokers and investors to access the estimates made by stock analysts regarding the future earnings of publicly traded American companies. The I/B/E/S medium term growth forecast is a measure of the average annualized EPS (earnings per share) growth forecast of contributing analysts/estimators for the forthcoming two years. The Fund may at times emphasize one or more sectors in selecting its investments, including the consumer discretionary, health care, industrials, and information technology sectors.
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| CTIVP - Westfield Select Large Cap Growth Fund | |
| Prospectus [Line Items] | |
| Strategy [Heading] | Principal Investment Strategies |
| Strategy Narrative [Text Block] | Under normal circumstances, the Fund invests at least 80% of its net assets (plus the amount of any borrowings for investment purposes) in equity securities of large-capitalization companies. The Fund defines large-capitalization companies as those companies with a market capitalization that falls within the range of the companies that comprise the Russell 1000® Growth Index (the Capitalization Index). The market capitalization range of the companies included within the Capitalization Index was $134.5 million to $4.2 trillion as of March 31, 2026. The market capitalization range and composition of companies in the Capitalization Index are subject to change. As such, the size of the companies in which the Fund invests may change. The Fund may continue to hold a security even if the company’s market capitalization is no longer within the range of the Capitalization Index. Under normal circumstances, the Fund also invests at least 80% of its net assets (plus the amount of any borrowings for investment purposes) in equity securities of “growth” companies. The Fund considers “growth” companies to be those companies that are either constituents of an index constructed by a third party to identify companies with various characteristics of growth companies, have a higher Institutional Brokers' Estimate System (I/B/E/S) medium-term growth forecast (two year) than the median ranked stock within the company’s GICS sector, or have a higher sales per share historical growth rate (five year) than the median ranked stock within the company’s GICS sector. The third-party broad-based index currently used to identify growth companies is the Russell 3000® Growth Index, although the Fund may change this index without prior notice. The I/B/E/S is a database used by brokers and investors to access the estimates made by stock analysts regarding the future earnings of publicly traded American companies. The I/B/E/S medium term growth forecast is a measure of the average annualized EPS (earnings per share) growth forecast of contributing analysts/estimators for the forthcoming two years. The Fund may at times emphasize one or more sectors in selecting its investments, including the industrials and information technology sectors. The Fund typically employs a focused portfolio investing style, which results in fewer holdings than a fund that seeks to achieve its investment objective by investing in a greater number of issuers.
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| Variable Portfolio - Partners Core Bond Fund | |
| Prospectus [Line Items] | |
| Strategy [Heading] | Principal Investment Strategies |
| Strategy Narrative [Text Block] | Under normal circumstances, the Fund invests at least 80% of its net assets (plus the amount of any borrowings for investment purposes) in U.S. dollar-denominated bonds and other debt instruments of investment grade quality (referred to as core bonds), like those included in the Bloomberg U.S. Aggregate Bond Index (the Index). The Index includes securities issued by the U.S. Government and its agencies and instrumentalities, corporate bonds, and mortgage- and asset-backed securities. The Fund may invest in mortgage dollar rolls and reverse repurchase agreements. The Fund may also invest in foreign debt instruments denominated in U.S. dollars or in foreign currencies. The Fund may also invest in loans and loan participations. The Fund considers a bond or other debt instrument to be of investment grade quality if it is rated investment grade by a nationally recognized statistical rating organization or, if unrated, determined by the investment manager to be of comparable quality. The Fund may invest in debt instruments that, at the time of purchase, are rated below investment grade or are unrated but determined to be of comparable quality (commonly referred to as “high-yield” investments or “junk” bonds). The Fund may invest in derivatives, such as futures (including interest rate futures to manage duration and curve risk), options (including options on futures for hedging interest rates), swaps (including credit default swaps) and forwards (including foreign exchange forwards for hedging and/or investment purposes). The Fund may purchase or sell securities on a when-issued, delayed delivery or forward commitment basis. Such securities may include mortgage-backed securities acquired or sold in the “to be announced” (TBA) market and those in a dollar roll transaction. The Fund may invest in privately placed and other securities or instruments that are purchased and sold pursuant to Rule 144A or other exemptions under the Securities Act of 1933, as amended, subject to certain regulatory restrictions. The Fund’s investment strategy may involve the frequent trading of portfolio securities. Multiple subadvisers provide the day-to-day management of the Fund’s portfolio.
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| Variable Portfolio - Partners Core Equity Fund | |
| Prospectus [Line Items] | |
| Strategy [Heading] | Principal Investment Strategies |
| Strategy Narrative [Text Block] | Under normal circumstances, at least 80% of the Fund’s net assets (plus the amount of any borrowings for investment purposes) are invested in equity securities. Equity securities include, for example, common stock, preferred stock and convertible securities. The Fund may invest in the securities of issuers of any size, including small-, mid- and large-capitalization companies. The Fund may invest up to 25% of its net assets in foreign investments. The Fund may invest in foreign securities directly or indirectly through depositary receipts. The Fund may at times emphasize one or more sectors in selecting its investments, including the information technology sector. Multiple subadvisers provide the day-to-day management of the Fund’s portfolio.
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