v3.25.2
Shareholder Report, Holdings (Details)
Jun. 30, 2025
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 1 | Axos Financial, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 1 | Stock Yards Bancorp, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 1 | Popular, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 1 | MACOM Technology Solutions Holdings, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 1 | ATI, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 1 | Radian Group, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 1 | Kemper Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 1 | Kratos Defense And Security Solutions, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 1 | Hanover Insurance Group, Inc. (The) [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 1 | Primoris Services Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 1 | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 32.00%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 1 | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.40%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 1 | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 1 | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 1 | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 1 | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 1 | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 1 | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 1 | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 1 | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 1 | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 96.20%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 1 | Money Market Fund [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 2 | Axos Financial, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 2 | Stock Yards Bancorp, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 2 | Popular, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 2 | MACOM Technology Solutions Holdings, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 2 | ATI, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 2 | Radian Group, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 2 | Kemper Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 2 | Kratos Defense And Security Solutions, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 2 | Hanover Insurance Group, Inc. (The) [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 2 | Primoris Services Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 2 | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 32.00%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 2 | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.40%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 2 | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 2 | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 2 | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 2 | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 2 | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 2 | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 2 | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 2 | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 2 | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 96.20%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 2 | Money Market Fund [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 3 | Axos Financial, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 3 | Stock Yards Bancorp, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 3 | Popular, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 3 | MACOM Technology Solutions Holdings, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 3 | ATI, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 3 | Radian Group, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 3 | Kemper Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 3 | Kratos Defense And Security Solutions, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 3 | Hanover Insurance Group, Inc. (The) [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 3 | Primoris Services Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 3 | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 32.00%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 3 | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.40%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 3 | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 3 | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 3 | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 3 | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 3 | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 3 | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 3 | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 3 | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 3 | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 96.20%
Columbia Variable Portfolio - Select Small Cap Value Fund - Class 3 | Money Market Fund [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%