This semi-annual shareholder report contains important information about Columbia Variable Portfolio – Contrarian Core Fund (the Fund) for the period of January 1, 2026 to June 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Table Summary
Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class 1	$36	0.70%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 36

Expense Ratio, Percent

0.70%

^[1]

AssetsNet

$ 1,693,429,770

Holdings Count | Holding

InvestmentCompanyPortfolioTurnover

27.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Fund net assets	$1,693,429,770
Total number of portfolio holdings	79
Portfolio turnover for the reporting period	27%

Holdings [Text Block]

Equity Sector Allocation

Table Summary
Information Technology	38.0%
Financials	12.7%
Communication Services	11.5%
Industrials	9.9%
Health Care	9.9%
Consumer Discretionary	9.8%
Energy	2.5%
Utilities	1.6%
Consumer Staples	1.2%
Real Estate	1.1%
Other	1.0%

Asset Categories

Table Summary
Common Stocks		99.2%
Other		0.4%

Largest Holdings [Text Block]

Top Holdings

Table Summary
NVIDIA Corp.	8.2%
Apple, Inc.	6.2%
Microsoft Corp.	5.2%
Amazon.com, Inc.	4.7%
Alphabet, Inc., Class A	3.3%
Broadcom, Inc.	3.3%
Alphabet, Inc., Class C	2.7%
Eli Lilly & Co.	2.5%
Micron Technology, Inc.	2.4%
Meta Platforms, Inc., Class A	2.3%

Material Fund Change [Text Block]

C000112075

Shareholder Report [Line Items]

Fund Name

Columbia Variable Portfolio – Contrarian Core Fund

Class Name

Class 2

No Trading Symbol [Flag]

true

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about Columbia Variable Portfolio – Contrarian Core Fund (the Fund) for the period of January 1, 2026 to June 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Table Summary
Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class 2	$49	0.95%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 49

Expense Ratio, Percent

0.95%

^[2]

AssetsNet

$ 1,693,429,770

Holdings Count | Holding

InvestmentCompanyPortfolioTurnover

27.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Fund net assets	$1,693,429,770
Total number of portfolio holdings	79
Portfolio turnover for the reporting period	27%

Holdings [Text Block]

Equity Sector Allocation

Table Summary
Information Technology	38.0%
Financials	12.7%
Communication Services	11.5%
Industrials	9.9%
Health Care	9.9%
Consumer Discretionary	9.8%
Energy	2.5%
Utilities	1.6%
Consumer Staples	1.2%
Real Estate	1.1%
Other	1.0%

Asset Categories

Table Summary
Common Stocks		99.2%
Other		0.4%

Largest Holdings [Text Block]

Top Holdings

Table Summary
NVIDIA Corp.	8.2%
Apple, Inc.	6.2%
Microsoft Corp.	5.2%
Amazon.com, Inc.	4.7%
Alphabet, Inc., Class A	3.3%
Broadcom, Inc.	3.3%
Alphabet, Inc., Class C	2.7%
Eli Lilly & Co.	2.5%
Micron Technology, Inc.	2.4%
Meta Platforms, Inc., Class A	2.3%

Material Fund Change [Text Block]

C000125446

Shareholder Report [Line Items]

Fund Name

Columbia Variable Portfolio – Long Government/Credit Bond Fund

Class Name

Class 1

No Trading Symbol [Flag]

true

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about Columbia Variable Portfolio – Long Government/Credit Bond Fund (the Fund) for the period of January 1, 2026 to June 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Table Summary
Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class 1	$23	0.47%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 23

Expense Ratio, Percent

0.47%

^[3]

AssetsNet

$ 363,703,472

Holdings Count | Holding

165

InvestmentCompanyPortfolioTurnover

25.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Fund net assets	$363,703,472
Total number of portfolio holdings	165
Portfolio turnover for the reporting period	25%

Holdings [Text Block]

Asset Categories

Table Summary
U.S. Treasury Obligations		44.8%
Corporate Bonds		42.7%
Money Market Funds		9.6%
Agency Asset-Backed Securities		1.2%
Other		0.6%

Largest Holdings [Text Block]

Top Holdings

Table Summary
U.S. Treasury Notes 4.125% 02/15/2036	4.7%
U.S. Treasury Bonds 4.375% 08/15/2043	4.6%
U.S. Treasury Bonds 3.000% 05/15/2047	4.3%
U.S. Treasury Bonds 4.500% 05/15/2038	4.1%
U.S. Treasury Bonds 3.000% 02/15/2048	3.5%
U.S. Treasury Bonds 2.875% 05/15/2052	3.4%
U.S. Treasury Bonds 5.000% 05/15/2045	2.9%
U.S. Treasury STRIPS Principal 02/15/2040	2.8%
U.S. Treasury Bonds 4.375% 05/15/2041	1.7%
U.S. Treasury Bonds 4.875% 08/15/2045	1.4%

C000125447

Shareholder Report [Line Items]

Fund Name

Columbia Variable Portfolio – Long Government/Credit Bond Fund

Class Name

Class 2

No Trading Symbol [Flag]

true

Annual or Semi-Annual Statement [Text Block]

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Table Summary
Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class 2	$36	0.72%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 36

Expense Ratio, Percent

0.72%

^[4]

AssetsNet

$ 363,703,472

Holdings Count | Holding

165

InvestmentCompanyPortfolioTurnover

25.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Fund net assets	$363,703,472
Total number of portfolio holdings	165
Portfolio turnover for the reporting period	25%

Holdings [Text Block]

Asset Categories

Table Summary
U.S. Treasury Obligations		44.8%
Corporate Bonds		42.7%
Money Market Funds		9.6%
Agency Asset-Backed Securities		1.2%
Other		0.6%

Largest Holdings [Text Block]

Top Holdings

Table Summary
U.S. Treasury Notes 4.125% 02/15/2036	4.7%
U.S. Treasury Bonds 4.375% 08/15/2043	4.6%
U.S. Treasury Bonds 3.000% 05/15/2047	4.3%
U.S. Treasury Bonds 4.500% 05/15/2038	4.1%
U.S. Treasury Bonds 3.000% 02/15/2048	3.5%
U.S. Treasury Bonds 2.875% 05/15/2052	3.4%
U.S. Treasury Bonds 5.000% 05/15/2045	2.9%
U.S. Treasury STRIPS Principal 02/15/2040	2.8%
U.S. Treasury Bonds 4.375% 05/15/2041	1.7%
U.S. Treasury Bonds 4.875% 08/15/2045	1.4%

C000034145

Shareholder Report [Line Items]

Fund Name

Columbia Variable Portfolio – Small Cap Value Discovery Fund

Class Name

Class 1

No Trading Symbol [Flag]

true

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about Columbia Variable Portfolio – Small Cap Value Discovery Fund (the Fund) for the period of January 1, 2026 to June 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Table Summary
Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class 1	$48	0.88%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 48

Expense Ratio, Percent

0.88%

^[5]

AssetsNet

$ 449,876,583

Holdings Count | Holding

221

InvestmentCompanyPortfolioTurnover

32.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Fund net assets	$449,876,583
Total number of portfolio holdings	221
Portfolio turnover for the reporting period	32%

Holdings [Text Block]

Equity Sector Allocation

Table Summary
Financials	21.1%
Industrials	16.4%
Real Estate	13.6%
Consumer Discretionary	11.7%
Health Care	8.1%
Information Technology	7.9%
Materials	7.1%
Energy	6.9%
Consumer Staples	4.1%
Communication Services	1.5%
Other	1.2%

Asset Categories

Table Summary
Common Stocks		99.6%
Other		0.6%

Largest Holdings [Text Block]

Top Holdings

Table Summary
JBT Marel Corp.	1.4%
Flagstar Bank NA	1.4%
Terex Corp.	1.3%
Meritage Homes Corp.	1.3%
Essent Group Ltd.	1.1%
PBF Energy, Inc., Class A	1.1%
Kite Realty Group Trust	1.0%
PACS Group, Inc.	1.0%
PennyMac Financial Services, Inc.	1.0%
Methode Electronics, Inc.	1.0%

Material Fund Change [Text Block]

C000034146

Shareholder Report [Line Items]

Fund Name

Columbia Variable Portfolio – Small Cap Value Discovery Fund

Class Name

Class 2

No Trading Symbol [Flag]

true

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about Columbia Variable Portfolio – Small Cap Value Discovery Fund (the Fund) for the period of January 1, 2026 to June 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Table Summary
Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class 2	$61	1.13%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 61

Expense Ratio, Percent

1.13%

^[6]

AssetsNet

$ 449,876,583

Holdings Count | Holding

221

InvestmentCompanyPortfolioTurnover

32.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Fund net assets	$449,876,583
Total number of portfolio holdings	221
Portfolio turnover for the reporting period	32%

Holdings [Text Block]

Equity Sector Allocation

Table Summary
Financials	21.1%
Industrials	16.4%
Real Estate	13.6%
Consumer Discretionary	11.7%
Health Care	8.1%
Information Technology	7.9%
Materials	7.1%
Energy	6.9%
Consumer Staples	4.1%
Communication Services	1.5%
Other	1.2%

Asset Categories

Table Summary
Common Stocks		99.6%
Other		0.6%

Largest Holdings [Text Block]

Top Holdings

Table Summary
JBT Marel Corp.	1.4%
Flagstar Bank NA	1.4%
Terex Corp.	1.3%
Meritage Homes Corp.	1.3%
Essent Group Ltd.	1.1%
PBF Energy, Inc., Class A	1.1%
Kite Realty Group Trust	1.0%
PACS Group, Inc.	1.0%
PennyMac Financial Services, Inc.	1.0%
Methode Electronics, Inc.	1.0%

Material Fund Change [Text Block]

C000029536

Shareholder Report [Line Items]

Fund Name

Columbia Variable Portfolio – Small Company Growth Fund

Class Name

Class 1

No Trading Symbol [Flag]

true

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about Columbia Variable Portfolio – Small Company Growth Fund (the Fund) for the period of January 1, 2026 to June 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Table Summary
Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class 1	$50	0.87%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 50

Expense Ratio, Percent

0.87%

^[7]

AssetsNet

$ 261,156,305

Holdings Count | Holding

116

InvestmentCompanyPortfolioTurnover

100.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Fund net assets	$261,156,305
Total number of portfolio holdings	116
Portfolio turnover for the reporting period	100%

Holdings [Text Block]

Equity Sector Allocation

Table Summary
Health Care	25.4%
Industrials	24.6%
Information Technology	19.3%
Consumer Discretionary	11.6%
Communication Services	6.9%
Energy	3.8%
Financials	3.3%
Materials	1.6%
Consumer Staples	1.4%
Utilities	0.4%

Asset Categories

Table Summary
Common Stocks		98.3%
Money Market Funds		2.1%

Largest Holdings [Text Block]

Top Holdings

Table Summary
Sphere Entertainment Co.	3.1%
DigitalOcean Holdings, Inc.	2.9%
Brinker International, Inc.	2.6%
Hut 8 Corp.	2.3%
RBC Bearings, Inc.	2.2%
Karman Holdings, Inc.	2.2%
Guardant Health, Inc.	2.1%
ICON PLC	2.1%
Modine Manufacturing Co.	2.0%
Riot Platforms, Inc.	1.9%

Material Fund Change [Text Block]

C000029537

Shareholder Report [Line Items]

Fund Name

Columbia Variable Portfolio – Small Company Growth Fund

Class Name

Class 2

No Trading Symbol [Flag]

true

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about Columbia Variable Portfolio – Small Company Growth Fund (the Fund) for the period of January 1, 2026 to June 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Table Summary
Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class 2	$64	1.12%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 64

Expense Ratio, Percent

1.12%

^[8]

AssetsNet

$ 261,156,305

Holdings Count | Holding

116

InvestmentCompanyPortfolioTurnover

100.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Fund net assets	$261,156,305
Total number of portfolio holdings	116
Portfolio turnover for the reporting period	100%

Holdings [Text Block]

Equity Sector Allocation

Table Summary
Health Care	25.4%
Industrials	24.6%
Information Technology	19.3%
Consumer Discretionary	11.6%
Communication Services	6.9%
Energy	3.8%
Financials	3.3%
Materials	1.6%
Consumer Staples	1.4%
Utilities	0.4%

Asset Categories

Table Summary
Common Stocks		98.3%
Money Market Funds		2.1%

Largest Holdings [Text Block]

Top Holdings

Table Summary
Sphere Entertainment Co.	3.1%
DigitalOcean Holdings, Inc.	2.9%
Brinker International, Inc.	2.6%
Hut 8 Corp.	2.3%
RBC Bearings, Inc.	2.2%
Karman Holdings, Inc.	2.2%
Guardant Health, Inc.	2.1%
ICON PLC	2.1%
Modine Manufacturing Co.	2.0%
Riot Platforms, Inc.	1.9%

Material Fund Change [Text Block]

C000034143

Shareholder Report [Line Items]

Fund Name

Columbia Variable Portfolio – Strategic Income Fund

Class Name

Class 1

No Trading Symbol [Flag]

true

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about Columbia Variable Portfolio – Strategic Income Fund (the Fund) for the period of January 1, 2026 to June 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Table Summary
Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class 1	$34	0.68%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 34

Expense Ratio, Percent

0.68%

^[9]

AssetsNet

$ 236,052,371

Holdings Count | Holding

1,157

InvestmentCompanyPortfolioTurnover

104.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Fund net assets	$236,052,371
Total number of portfolio holdings	1,157
Portfolio turnover for the reporting period	104%
Portfolio turnover as of the end of the period excluding transactions in to be announced securities	19%

Holdings [Text Block]

Derivative Exposure

Table Summary
	Long
Interest Rate Risk	25.6%
Credit Risk	0.3%
	Short
Interest Rate Risk	45.6%
Credit Risk	0.1%

Asset Categories

Table Summary
Corporate Bonds		30.8%
Agency Mortgage-Backed Securities		16.6%
Senior Loans		16.3%
Foreign Government Obligations		8.5%
Money Market Funds		8.4%
Non-Agency Collateralized Mortgage Obligation Securities		8.3%
Non-Agency Asset-Backed Securities		8.1%
Agency Collateralized Mortgage Obligation Securities		8.0%
Non-Agency Collateralized Loan Obligations Securities		3.1%
U.S. Treasury Obligations		2.2%
Other		2.0%

C000034144

Shareholder Report [Line Items]

Fund Name

Columbia Variable Portfolio – Strategic Income Fund

Class Name

Class 2

No Trading Symbol [Flag]

true

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about Columbia Variable Portfolio – Strategic Income Fund (the Fund) for the period of January 1, 2026 to June 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Table Summary
Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class 2	$47	0.93%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 47

Expense Ratio, Percent

0.93%

^[10]

AssetsNet

$ 236,052,371

Holdings Count | Holding

1,157

InvestmentCompanyPortfolioTurnover

104.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Fund net assets	$236,052,371
Total number of portfolio holdings	1,157
Portfolio turnover for the reporting period	104%
Portfolio turnover as of the end of the period excluding transactions in to be announced securities	19%

Holdings [Text Block]

Derivative Exposure

Table Summary
	Long
Interest Rate Risk	25.6%
Credit Risk	0.3%
	Short
Interest Rate Risk	45.6%
Credit Risk	0.1%

Asset Categories

Table Summary
Corporate Bonds		30.8%
Agency Mortgage-Backed Securities		16.6%
Senior Loans		16.3%
Foreign Government Obligations		8.5%
Money Market Funds		8.4%
Non-Agency Collateralized Mortgage Obligation Securities		8.3%
Non-Agency Asset-Backed Securities		8.1%
Agency Collateralized Mortgage Obligation Securities		8.0%
Non-Agency Collateralized Loan Obligations Securities		3.1%
U.S. Treasury Obligations		2.2%
Other		2.0%

C000206838

Shareholder Report [Line Items]

Fund Name

Variable Portfolio – U.S. Flexible Growth Fund

Class Name

Class 1

No Trading Symbol [Flag]

true

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about Variable Portfolio – U.S. Flexible Growth Fund (the Fund) for the period of January 1, 2026 to June 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Table Summary
Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class 1	$14	0.27%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 14

Expense Ratio, Percent

0.27%

^[11]

AssetsNet

$ 4,383,905,224

Holdings Count | Holding

InvestmentCompanyPortfolioTurnover

96.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Fund net assets	$4,383,905,224
Total number of portfolio holdings	51
Portfolio turnover for the reporting period	96%

Holdings [Text Block]

Derivative Exposure

Table Summary
	Long
Equity Risk	11.3%
Interest Rate Risk	5.4%
Credit Risk	2.2%
	Short
Equity Risk	34.2%
Interest Rate Risk	0.0%^{Footnote Reference*}

Footnote	Description
Footnote^*	Percentage rounds to less than 0.1% or (0.1)%.

Asset Categories

Table Summary
Equity Funds		63.4%
Money Market Funds		14.1%
Fixed Income Funds		10.4%
Residential Mortgage-Backed Securities - Agency		8.1%
Exchange-Traded Fixed Income Funds		5.0%
Exchange-Traded Equity Funds		4.8%
Other		0.8%

C000174388

Shareholder Report [Line Items]

Fund Name

Variable Portfolio – U.S. Flexible Growth Fund

Class Name

Class 2

No Trading Symbol [Flag]

true

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about Variable Portfolio – U.S. Flexible Growth Fund (the Fund) for the period of January 1, 2026 to June 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Table Summary
Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class 2	$27	0.52%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 27

Expense Ratio, Percent

0.52%

^[12]

AssetsNet

$ 4,383,905,224

Holdings Count | Holding

InvestmentCompanyPortfolioTurnover

96.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Fund net assets	$4,383,905,224
Total number of portfolio holdings	51
Portfolio turnover for the reporting period	96%

Holdings [Text Block]

Derivative Exposure

Table Summary
	Long
Equity Risk	11.3%
Interest Rate Risk	5.4%
Credit Risk	2.2%
	Short
Equity Risk	34.2%
Interest Rate Risk	0.0%^{Footnote Reference*}

Footnote	Description
Footnote^*	Percentage rounds to less than 0.1% or (0.1)%.

Asset Categories

Table Summary
Equity Funds		63.4%
Money Market Funds		14.1%
Fixed Income Funds		10.4%
Residential Mortgage-Backed Securities - Agency		8.1%
Exchange-Traded Fixed Income Funds		5.0%
Exchange-Traded Equity Funds		4.8%
Other		0.8%

C000193050

Shareholder Report [Line Items]

Fund Name

Variable Portfolio – Managed Risk Fund

Class Name

Class 2

No Trading Symbol [Flag]

true

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about Variable Portfolio – Managed Risk Fund (the Fund) for the period of January 1, 2026 to June 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Table Summary
Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class 2	$24	0.48%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 24

Expense Ratio, Percent

0.48%

^[13]

AssetsNet

$ 251,895,652

Holdings Count | Holding

101

InvestmentCompanyPortfolioTurnover

52.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Fund net assets	$251,895,652
Total number of portfolio holdings	101
Portfolio turnover for the reporting period	52%

Holdings [Text Block]

Derivative Exposure

Table Summary
	Long
Foreign Exchange Risk	8.8%
Equity Risk	5.2%
Interest Rate Risk	2.6%
Credit Risk	2.4%
	Short
Equity Risk	29.7%
Foreign Exchange Risk	8.8%
Interest Rate Risk	0.7%

Asset Categories

Table Summary
Equity Funds		54.5%
Fixed Income Funds		28.5%
Exchange-Traded Fixed Income Funds		7.2%
Money Market Funds		6.8%
Residential Mortgage-Backed Securities - Agency		5.4%
Exchange-Traded Equity Funds		1.7%
Other		0.6%

C000193051

Shareholder Report [Line Items]

Fund Name

Variable Portfolio – Managed Risk U.S. Fund

Class Name

Class 2

No Trading Symbol [Flag]

true

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about Variable Portfolio – Managed Risk U.S. Fund (the Fund) for the period of January 1, 2026 to June 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Table Summary
Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class 2	$25	0.49%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 25

Expense Ratio, Percent

0.49%

^[14]

AssetsNet

$ 387,963,994

Holdings Count | Holding

InvestmentCompanyPortfolioTurnover

44.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Fund net assets	$387,963,994
Total number of portfolio holdings	41
Portfolio turnover for the reporting period	44%

Holdings [Text Block]

Derivative Exposure

Table Summary
	Long
Equity Risk	5.2%
Credit Risk	2.8%
Interest Rate Risk	1.9%
	Short
Equity Risk	28.4%
Interest Rate Risk	0.6%

Asset Categories

Table Summary
Equity Funds		54.8%
Fixed Income Funds		28.1%
Exchange-Traded Fixed Income Funds		9.0%
Money Market Funds		6.9%
Residential Mortgage-Backed Securities - Agency		4.8%
Other		0.6%

C000206835

Shareholder Report [Line Items]

Fund Name

Variable Portfolio – Managed Volatility Conservative Fund

Class Name

Class 1

No Trading Symbol [Flag]

true

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about Variable Portfolio – Managed Volatility Conservative Fund (the Fund) for the period of January 1, 2026 to June 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Table Summary
Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class 1	$15	0.30%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 15

Expense Ratio, Percent

0.30%

^[15]

AssetsNet

$ 567,856,040

Holdings Count | Holding

116

InvestmentCompanyPortfolioTurnover

91.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Fund net assets	$567,856,040
Total number of portfolio holdings	116
Portfolio turnover for the reporting period	91%

Holdings [Text Block]

Derivative Exposure

Table Summary
	Long
Foreign Exchange Risk	9.3%
Credit Risk	4.6%
Interest Rate Risk	3.5%
Equity Risk	3.5%
	Short
Equity Risk	10.9%
Foreign Exchange Risk	8.0%
Interest Rate Risk	0.9%

Asset Categories

Table Summary
Fixed Income Funds		54.8%
Equity Funds		18.2%
Money Market Funds		17.2%
Residential Mortgage-Backed Securities - Agency		10.1%
Exchange-Traded Fixed Income Funds		8.3%
Other		1.2%

C000125448

Shareholder Report [Line Items]

Fund Name

Variable Portfolio – Managed Volatility Conservative Fund

Class Name

Class 2

No Trading Symbol [Flag]

true

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about Variable Portfolio – Managed Volatility Conservative Fund (the Fund) for the period of January 1, 2026 to June 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Table Summary
Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class 2	$28	0.55%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 28

Expense Ratio, Percent

0.55%

^[16]

AssetsNet

$ 567,856,040

Holdings Count | Holding

116

InvestmentCompanyPortfolioTurnover

91.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Fund net assets	$567,856,040
Total number of portfolio holdings	116
Portfolio turnover for the reporting period	91%

Holdings [Text Block]

Derivative Exposure

Table Summary
	Long
Foreign Exchange Risk	9.3%
Credit Risk	4.6%
Interest Rate Risk	3.5%
Equity Risk	3.5%
	Short
Equity Risk	10.9%
Foreign Exchange Risk	8.0%
Interest Rate Risk	0.9%

Asset Categories

Table Summary
Fixed Income Funds		54.8%
Equity Funds		18.2%
Money Market Funds		17.2%
Residential Mortgage-Backed Securities - Agency		10.1%
Exchange-Traded Fixed Income Funds		8.3%
Other		1.2%

C000206836

Shareholder Report [Line Items]

Fund Name

Variable Portfolio – Managed Volatility Conservative Growth Fund

Class Name

Class 1

No Trading Symbol [Flag]

true

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about Variable Portfolio – Managed Volatility Conservative Growth Fund (the Fund) for the period of January 1, 2026 to June 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Table Summary
Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class 1	$15	0.29%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 15

Expense Ratio, Percent

0.29%

^[17]

AssetsNet

$ 1,090,352,529

Holdings Count | Holding

126

InvestmentCompanyPortfolioTurnover

98.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Fund net assets	$1,090,352,529
Total number of portfolio holdings	126
Portfolio turnover for the reporting period	98%

Holdings [Text Block]

Derivative Exposure

Table Summary
	Long
Foreign Exchange Risk	9.5%
Equity Risk	6.2%
Credit Risk	3.6%
Interest Rate Risk	3.5%
	Short
Equity Risk	19.5%
Foreign Exchange Risk	7.7%
Interest Rate Risk	0.3%

Asset Categories

Table Summary
Fixed Income Funds		40.0%
Equity Funds		33.3%
Money Market Funds		15.8%
Residential Mortgage-Backed Securities - Agency		9.2%
Exchange-Traded Fixed Income Funds		7.0%
Exchange-Traded Equity Funds		2.7%
Other		0.5%

C000125449

Shareholder Report [Line Items]

Fund Name

Variable Portfolio – Managed Volatility Conservative Growth Fund

Class Name

Class 2

No Trading Symbol [Flag]

true

Annual or Semi-Annual Statement [Text Block]

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Table Summary
Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class 2	$27	0.54%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 27

Expense Ratio, Percent

0.54%

^[18]

AssetsNet

$ 1,090,352,529

Holdings Count | Holding

126

InvestmentCompanyPortfolioTurnover

98.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Fund net assets	$1,090,352,529
Total number of portfolio holdings	126
Portfolio turnover for the reporting period	98%

Holdings [Text Block]

Derivative Exposure

Table Summary
	Long
Foreign Exchange Risk	9.5%
Equity Risk	6.2%
Credit Risk	3.6%
Interest Rate Risk	3.5%
	Short
Equity Risk	19.5%
Foreign Exchange Risk	7.7%
Interest Rate Risk	0.3%

Asset Categories

Table Summary
Fixed Income Funds		40.0%
Equity Funds		33.3%
Money Market Funds		15.8%
Residential Mortgage-Backed Securities - Agency		9.2%
Exchange-Traded Fixed Income Funds		7.0%
Exchange-Traded Equity Funds		2.7%
Other		0.5%

C000205759

Shareholder Report [Line Items]

Fund Name

Variable Portfolio – Managed Volatility Growth Fund

Class Name

Class 1

No Trading Symbol [Flag]

true

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about Variable Portfolio – Managed Volatility Growth Fund (the Fund) for the period of January 1, 2026 to June 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Table Summary
Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class 1	$13	0.25%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 13

Expense Ratio, Percent

0.25%

^[19]

AssetsNet

$ 11,277,944,966

Holdings Count | Holding

127

InvestmentCompanyPortfolioTurnover

103.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Fund net assets	$11,277,944,966
Total number of portfolio holdings	127
Portfolio turnover for the reporting period	103%

Holdings [Text Block]

Derivative Exposure

Table Summary
	Long
Equity Risk	13.1%
Foreign Exchange Risk	10.3%
Interest Rate Risk	5.4%
Credit Risk	2.3%
	Short
Equity Risk	36.3%
Foreign Exchange Risk	7.3%

Asset Categories

Table Summary
Equity Funds		63.3%
Money Market Funds		14.5%
Fixed Income Funds		10.5%
Residential Mortgage-Backed Securities - Agency		7.3%
Exchange-Traded Equity Funds		5.5%
Exchange-Traded Fixed Income Funds		3.9%
Other		0.8%

C000125450

Shareholder Report [Line Items]

Fund Name

Variable Portfolio – Managed Volatility Growth Fund

Class Name

Class 2

No Trading Symbol [Flag]

true

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about Variable Portfolio – Managed Volatility Growth Fund (the Fund) for the period of January 1, 2026 to June 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Table Summary
Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class 2	$26	0.50%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 26

Expense Ratio, Percent

0.50%

^[20]

AssetsNet

$ 11,277,944,966

Holdings Count | Holding

127

InvestmentCompanyPortfolioTurnover

103.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Fund net assets	$11,277,944,966
Total number of portfolio holdings	127
Portfolio turnover for the reporting period	103%

Holdings [Text Block]

Derivative Exposure

Table Summary
	Long
Equity Risk	13.1%
Foreign Exchange Risk	10.3%
Interest Rate Risk	5.4%
Credit Risk	2.3%
	Short
Equity Risk	36.3%
Foreign Exchange Risk	7.3%

Asset Categories

Table Summary
Equity Funds		63.3%
Money Market Funds		14.5%
Fixed Income Funds		10.5%
Residential Mortgage-Backed Securities - Agency		7.3%
Exchange-Traded Equity Funds		5.5%
Exchange-Traded Fixed Income Funds		3.9%
Other		0.8%

C000206837

Shareholder Report [Line Items]

Fund Name

Variable Portfolio – U.S. Flexible Conservative Growth Fund

Class Name

Class 1

No Trading Symbol [Flag]

true

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about Variable Portfolio – U.S. Flexible Conservative Growth Fund (the Fund) for the period of January 1, 2026 to June 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Table Summary
Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class 1	$16	0.31%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 16

Expense Ratio, Percent

0.31%

^[21]

AssetsNet

$ 302,446,073

Holdings Count | Holding

InvestmentCompanyPortfolioTurnover

99.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Fund net assets	$302,446,073
Total number of portfolio holdings	53
Portfolio turnover for the reporting period	99%

Holdings [Text Block]

Derivative Exposure

Table Summary
	Long
Equity Risk	6.0%
Credit Risk	3.6%
Interest Rate Risk	3.3%
	Short
Equity Risk	18.1%
Interest Rate Risk	0.4%

Asset Categories

Table Summary
Fixed Income Funds		40.3%
Equity Funds		33.1%
Money Market Funds		15.7%
Residential Mortgage-Backed Securities - Agency		9.1%
Exchange-Traded Fixed Income Funds		7.9%
Exchange-Traded Equity Funds		1.8%
Other		0.4%

C000174387

Shareholder Report [Line Items]

Fund Name

Variable Portfolio – U.S. Flexible Conservative Growth Fund

Class Name

Class 2

No Trading Symbol [Flag]

true

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about Variable Portfolio – U.S. Flexible Conservative Growth Fund (the Fund) for the period of January 1, 2026 to June 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Table Summary
Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class 2	$28	0.56%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 28

Expense Ratio, Percent

0.56%

^[22]

AssetsNet

$ 302,446,073

Holdings Count | Holding

InvestmentCompanyPortfolioTurnover

99.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Fund net assets	$302,446,073
Total number of portfolio holdings	53
Portfolio turnover for the reporting period	99%

Holdings [Text Block]

Derivative Exposure

Table Summary
	Long
Equity Risk	6.0%
Credit Risk	3.6%
Interest Rate Risk	3.3%
	Short
Equity Risk	18.1%
Interest Rate Risk	0.4%

Asset Categories

Table Summary
Fixed Income Funds		40.3%
Equity Funds		33.1%
Money Market Funds		15.7%
Residential Mortgage-Backed Securities - Agency		9.1%
Exchange-Traded Fixed Income Funds		7.9%
Exchange-Traded Equity Funds		1.8%
Other		0.4%

C000206839

Shareholder Report [Line Items]

Fund Name

Variable Portfolio – U.S. Flexible Moderate Growth Fund

Class Name

Class 1

No Trading Symbol [Flag]

true

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about Variable Portfolio – U.S. Flexible Moderate Growth Fund (the Fund) for the period of January 1, 2026 to June 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Table Summary
Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class 1	$14	0.28%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 14

Expense Ratio, Percent

0.28%

^[23]

AssetsNet

$ 2,031,474,171

Holdings Count | Holding

InvestmentCompanyPortfolioTurnover

97.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Fund net assets	$2,031,474,171
Total number of portfolio holdings	53
Portfolio turnover for the reporting period	97%

Holdings [Text Block]

Derivative Exposure

Table Summary
	Long
Equity Risk	8.3%
Interest Rate Risk	4.1%
Credit Risk	3.2%
	Short
Equity Risk	26.1%
Interest Rate Risk	0.3%

Asset Categories

Table Summary
Equity Funds		48.7%
Fixed Income Funds		24.9%
Money Market Funds		14.8%
Residential Mortgage-Backed Securities - Agency		8.8%
Exchange-Traded Fixed Income Funds		7.0%
Exchange-Traded Equity Funds		2.8%
Other		0.6%

C000174389

Shareholder Report [Line Items]

Fund Name

Variable Portfolio – U.S. Flexible Moderate Growth Fund

Class Name

Class 2

No Trading Symbol [Flag]

true

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about Variable Portfolio – U.S. Flexible Moderate Growth Fund (the Fund) for the period of January 1, 2026 to June 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Table Summary
Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class 2	$27	0.53%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 27

Expense Ratio, Percent

0.53%

^[24]

AssetsNet

$ 2,031,474,171

Holdings Count | Holding

InvestmentCompanyPortfolioTurnover

97.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Fund net assets	$2,031,474,171
Total number of portfolio holdings	53
Portfolio turnover for the reporting period	97%

Holdings [Text Block]

Derivative Exposure

Table Summary
	Long
Equity Risk	8.3%
Interest Rate Risk	4.1%
Credit Risk	3.2%
	Short
Equity Risk	26.1%
Interest Rate Risk	0.3%

Asset Categories

Table Summary
Equity Funds		48.7%
Fixed Income Funds		24.9%
Money Market Funds		14.8%
Residential Mortgage-Backed Securities - Agency		8.8%
Exchange-Traded Fixed Income Funds		7.0%
Exchange-Traded Equity Funds		2.8%
Other		0.6%

[1]	Annualized
[2]	Annualized
[3]	Annualized
[4]	Annualized
[5]	Annualized
[6]	Annualized
[7]	Annualized
[8]	Annualized
[9]	Annualized
[10]	Annualized
[11]	Annualized
[12]	Annualized
[13]	Annualized
[14]	Annualized
[15]	Annualized
[16]	Annualized
[17]	Annualized
[18]	Annualized
[19]	Annualized
[20]	Annualized
[21]	Annualized
[22]	Annualized
[23]	Annualized
[24]	Annualized