v3.25.2
Shareholder Report, Holdings (Details)
Jun. 30, 2025
Columbia Variable Portfolio – Large Cap Index Fund - Class 1 | NVIDIA Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
Columbia Variable Portfolio – Large Cap Index Fund - Class 1 | Microsoft Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
Columbia Variable Portfolio – Large Cap Index Fund - Class 1 | Apple, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
Columbia Variable Portfolio – Large Cap Index Fund - Class 1 | Amazon.com, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Columbia Variable Portfolio – Large Cap Index Fund - Class 1 | Meta Platforms, Inc., Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Columbia Variable Portfolio – Large Cap Index Fund - Class 1 | Broadcom, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Columbia Variable Portfolio – Large Cap Index Fund - Class 1 | Alphabet, Inc., Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Columbia Variable Portfolio – Large Cap Index Fund - Class 1 | Berkshire Hathaway, Inc., Class B [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Columbia Variable Portfolio – Large Cap Index Fund - Class 1 | Tesla, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Columbia Variable Portfolio – Large Cap Index Fund - Class 1 | Alphabet, Inc., Class C [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Columbia Variable Portfolio – Large Cap Index Fund - Class 1 | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 32.70%
Columbia Variable Portfolio – Large Cap Index Fund - Class 1 | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.80%
Columbia Variable Portfolio – Large Cap Index Fund - Class 1 | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
Columbia Variable Portfolio – Large Cap Index Fund - Class 1 | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Columbia Variable Portfolio – Large Cap Index Fund - Class 1 | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.20%
Columbia Variable Portfolio – Large Cap Index Fund - Class 1 | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Columbia Variable Portfolio – Large Cap Index Fund - Class 1 | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
Columbia Variable Portfolio – Large Cap Index Fund - Class 1 | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Columbia Variable Portfolio – Large Cap Index Fund - Class 1 | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Columbia Variable Portfolio – Large Cap Index Fund - Class 1 | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Columbia Variable Portfolio – Large Cap Index Fund - Class 1 | Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Columbia Variable Portfolio – Large Cap Index Fund - Class 1 | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 98.70%
Columbia Variable Portfolio – Large Cap Index Fund - Class 1 | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Columbia Variable Portfolio – Large Cap Index Fund - Class 2 | NVIDIA Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
Columbia Variable Portfolio – Large Cap Index Fund - Class 2 | Microsoft Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
Columbia Variable Portfolio – Large Cap Index Fund - Class 2 | Apple, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
Columbia Variable Portfolio – Large Cap Index Fund - Class 2 | Amazon.com, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Columbia Variable Portfolio – Large Cap Index Fund - Class 2 | Meta Platforms, Inc., Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Columbia Variable Portfolio – Large Cap Index Fund - Class 2 | Broadcom, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Columbia Variable Portfolio – Large Cap Index Fund - Class 2 | Alphabet, Inc., Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Columbia Variable Portfolio – Large Cap Index Fund - Class 2 | Berkshire Hathaway, Inc., Class B [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Columbia Variable Portfolio – Large Cap Index Fund - Class 2 | Tesla, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Columbia Variable Portfolio – Large Cap Index Fund - Class 2 | Alphabet, Inc., Class C [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Columbia Variable Portfolio – Large Cap Index Fund - Class 2 | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 32.70%
Columbia Variable Portfolio – Large Cap Index Fund - Class 2 | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.80%
Columbia Variable Portfolio – Large Cap Index Fund - Class 2 | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
Columbia Variable Portfolio – Large Cap Index Fund - Class 2 | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Columbia Variable Portfolio – Large Cap Index Fund - Class 2 | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.20%
Columbia Variable Portfolio – Large Cap Index Fund - Class 2 | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Columbia Variable Portfolio – Large Cap Index Fund - Class 2 | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
Columbia Variable Portfolio – Large Cap Index Fund - Class 2 | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Columbia Variable Portfolio – Large Cap Index Fund - Class 2 | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Columbia Variable Portfolio – Large Cap Index Fund - Class 2 | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Columbia Variable Portfolio – Large Cap Index Fund - Class 2 | Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Columbia Variable Portfolio – Large Cap Index Fund - Class 2 | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 98.70%
Columbia Variable Portfolio – Large Cap Index Fund - Class 2 | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Columbia Variable Portfolio – Large Cap Index Fund - Class 3 | NVIDIA Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
Columbia Variable Portfolio – Large Cap Index Fund - Class 3 | Microsoft Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
Columbia Variable Portfolio – Large Cap Index Fund - Class 3 | Apple, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
Columbia Variable Portfolio – Large Cap Index Fund - Class 3 | Amazon.com, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Columbia Variable Portfolio – Large Cap Index Fund - Class 3 | Meta Platforms, Inc., Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Columbia Variable Portfolio – Large Cap Index Fund - Class 3 | Broadcom, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Columbia Variable Portfolio – Large Cap Index Fund - Class 3 | Alphabet, Inc., Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Columbia Variable Portfolio – Large Cap Index Fund - Class 3 | Berkshire Hathaway, Inc., Class B [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Columbia Variable Portfolio – Large Cap Index Fund - Class 3 | Tesla, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Columbia Variable Portfolio – Large Cap Index Fund - Class 3 | Alphabet, Inc., Class C [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Columbia Variable Portfolio – Large Cap Index Fund - Class 3 | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 32.70%
Columbia Variable Portfolio – Large Cap Index Fund - Class 3 | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.80%
Columbia Variable Portfolio – Large Cap Index Fund - Class 3 | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
Columbia Variable Portfolio – Large Cap Index Fund - Class 3 | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Columbia Variable Portfolio – Large Cap Index Fund - Class 3 | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.20%
Columbia Variable Portfolio – Large Cap Index Fund - Class 3 | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Columbia Variable Portfolio – Large Cap Index Fund - Class 3 | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
Columbia Variable Portfolio – Large Cap Index Fund - Class 3 | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Columbia Variable Portfolio – Large Cap Index Fund - Class 3 | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Columbia Variable Portfolio – Large Cap Index Fund - Class 3 | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Columbia Variable Portfolio – Large Cap Index Fund - Class 3 | Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Columbia Variable Portfolio – Large Cap Index Fund - Class 3 | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 98.70%
Columbia Variable Portfolio – Large Cap Index Fund - Class 3 | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%