v3.25.2
Shareholder Report, Holdings (Details)
Jun. 30, 2025
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 1 | Welltower, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 1 | Corning, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 1 | Entergy Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 1 | ITT, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 1 | Marathon Petroleum Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 1 | CACI International, Inc., Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 1 | AMETEK, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 1 | ATI, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 1 | Ameren Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 1 | Trane Technologies PLC [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 1 | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.40%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 1 | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.70%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 1 | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 1 | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 1 | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 1 | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 1 | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 1 | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 1 | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 1 | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 1 | Unclassified Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 1 | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 98.70%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 1 | Money Market Fund [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 2 | Welltower, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 2 | Corning, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 2 | Entergy Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 2 | ITT, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 2 | Marathon Petroleum Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 2 | CACI International, Inc., Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 2 | AMETEK, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 2 | ATI, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 2 | Ameren Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 2 | Trane Technologies PLC [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 2 | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.40%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 2 | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.70%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 2 | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 2 | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 2 | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 2 | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 2 | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 2 | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 2 | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 2 | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 2 | Unclassified Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 2 | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 98.70%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 2 | Money Market Fund [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 3 | Welltower, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 3 | Corning, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 3 | Entergy Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 3 | ITT, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 3 | Marathon Petroleum Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 3 | CACI International, Inc., Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 3 | AMETEK, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 3 | ATI, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 3 | Ameren Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 3 | Trane Technologies PLC [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 3 | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.40%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 3 | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.70%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 3 | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 3 | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 3 | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 3 | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 3 | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 3 | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 3 | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 3 | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 3 | Unclassified Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 3 | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 98.70%
Columbia Variable Portfolio – Select Mid Cap Growth Fund - Class 3 | Money Market Fund [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%